diff --git a/pkg/front_end/testcases/extensions/async_extensions.dart.weak.transformed.expect b/pkg/front_end/testcases/extensions/async_extensions.dart.weak.transformed.expect
index 1ed196c0afc..bf6bac9ec5e 100644
--- a/pkg/front_end/testcases/extensions/async_extensions.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/extensions/async_extensions.dart.weak.transformed.expect
@@ -10,18 +10,7 @@ extension Extension on core::int {
   method asyncStarMethod = self::Extension|asyncStarMethod;
   tearoff asyncStarMethod = self::Extension|get#asyncStarMethod;
 }
-static method Extension|syncStarMethod(lowered final core::int #this) → dynamic /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {}
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
-}
+static method Extension|syncStarMethod(lowered final core::int #this) → dynamic sync* {}
 static method Extension|get#syncStarMethod(lowered final core::int #this) → () → dynamic
   return () → dynamic => self::Extension|syncStarMethod(#this);
 static method Extension|asyncMethod(lowered final core::int #this) → dynamic async /* futureValueType= dynamic */ {}
diff --git a/pkg/front_end/testcases/general/async_function.dart.weak.transformed.expect b/pkg/front_end/testcases/general/async_function.dart.weak.transformed.expect
index 55fe8230ef2..c48871c66e8 100644
--- a/pkg/front_end/testcases/general/async_function.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/general/async_function.dart.weak.transformed.expect
@@ -12,47 +12,13 @@ static method asyncString() → asy::Future<core::String> async /* futureValueTy
 static method asyncString2() → asy::Future<core::String> async /* futureValueType= core::String */ {
   return self::asyncString();
 }
-static method syncStarString() → core::Iterable<core::String> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_current} = "foo";
-          [yield] true;
-        }
-        {
-          :iterator.{core::_SyncIterator::_yieldEachIterable} = self::syncStarString2();
-          [yield] true;
-        }
-        {
-          :iterator.{core::_SyncIterator::_yieldEachIterable} = self::stringList;
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::String>(:sync_op_gen);
+static method syncStarString() → core::Iterable<core::String> sync* {
+  yield "foo";
+  yield* self::syncStarString2();
+  yield* self::stringList;
 }
-static method syncStarString2() → core::Iterable<core::String> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_current} = "foo";
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::String>(:sync_op_gen);
+static method syncStarString2() → core::Iterable<core::String> sync* {
+  yield "foo";
 }
 static method asyncStarString() → asy::Stream<core::String> async* {
   yield "foo";
diff --git a/pkg/front_end/testcases/general/issue37753.dart.weak.transformed.expect b/pkg/front_end/testcases/general/issue37753.dart.weak.transformed.expect
index 64d5279f50c..a0ac6b6b3f6 100644
--- a/pkg/front_end/testcases/general/issue37753.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/general/issue37753.dart.weak.transformed.expect
@@ -2,40 +2,12 @@ library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
-static method getElements() → core::Iterable<core::int> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        core::Iterable<core::int> elements;
-        elements = (() → core::Iterable<core::int> /* originally sync* */ {
-          function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-            core::int :await_jump_var = 0;
-            dynamic :await_ctx_var;
-            function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-              {
-                {
-                  :iterator.{core::_SyncIterator::_current} = 7;
-                  [yield] true;
-                }
-              }
-              return false;
-            }
-            return :sync_op;
-          }
-          return new core::_SyncIterable::•<core::int>(:sync_op_gen);
-        })(){() → core::Iterable<core::int>};
-        {
-          :iterator.{core::_SyncIterator::_yieldEachIterable} = elements;
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::int>(:sync_op_gen);
+static method getElements() → core::Iterable<core::int> sync* {
+  core::Iterable<core::int> elements;
+  elements = (() → core::Iterable<core::int> sync* {
+    yield 7;
+  })(){() → core::Iterable<core::int>};
+  yield* elements;
 }
 static method main() → dynamic
   return core::print(self::getElements());
diff --git a/pkg/front_end/testcases/inference/block_bodied_lambdas_infer_bottom_sync_star.dart.weak.transformed.expect b/pkg/front_end/testcases/inference/block_bodied_lambdas_infer_bottom_sync_star.dart.weak.transformed.expect
index 90ecc1ff6a9..579df9a02b8 100644
--- a/pkg/front_end/testcases/inference/block_bodied_lambdas_infer_bottom_sync_star.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/inference/block_bodied_lambdas_infer_bottom_sync_star.dart.weak.transformed.expect
@@ -3,22 +3,8 @@ import self as self;
 import "dart:core" as core;
 
 static method main() → dynamic {
-  () →* core::Iterable<Null>* f = () → core::Iterable<Null>* /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>*, dynamic, dynamic) →* core::bool* {
-      core::int* :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>* :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_current} = null;
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<Null>(:sync_op_gen);
+  () →* core::Iterable<Null>* f = () → core::Iterable<Null>* sync* {
+    yield null;
   };
   core::Iterable<dynamic>* y = f(){() →* core::Iterable<Null>*};
   core::Iterable<core::String*>* z = f(){() →* core::Iterable<Null>*};
diff --git a/pkg/front_end/testcases/inference/block_bodied_lambdas_sync_star.dart.weak.transformed.expect b/pkg/front_end/testcases/inference/block_bodied_lambdas_sync_star.dart.weak.transformed.expect
index 7bdb16ae7aa..7132d44e4fa 100644
--- a/pkg/front_end/testcases/inference/block_bodied_lambdas_sync_star.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/inference/block_bodied_lambdas_sync_star.dart.weak.transformed.expect
@@ -3,26 +3,9 @@ import self as self;
 import "dart:core" as core;
 
 static method test() → dynamic {
-  () →* core::Iterable<core::num*>* f = () → core::Iterable<core::num*>* /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>*, dynamic, dynamic) →* core::bool* {
-      core::int* :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>* :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_current} = 1;
-            [yield] true;
-          }
-          {
-            :iterator.{core::_SyncIterator::_yieldEachIterable} = core::_GrowableList::_literal2<core::num*>(3, 4.0);
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<core::num*>(:sync_op_gen);
+  () →* core::Iterable<core::num*>* f = () → core::Iterable<core::num*>* sync* {
+    yield 1;
+    yield* core::_GrowableList::_literal2<core::num*>(3, 4.0);
   };
   core::Iterable<core::num*>* g = f(){() →* core::Iterable<core::num*>*};
   core::Iterable<core::int*>* h = f(){() →* core::Iterable<core::num*>*} as{TypeError} core::Iterable<core::int*>*;
diff --git a/pkg/front_end/testcases/inference/downwards_inference_yield_yield_star.dart.weak.transformed.expect b/pkg/front_end/testcases/inference/downwards_inference_yield_yield_star.dart.weak.transformed.expect
index 35e82c413cd..1f13874d3c2 100644
--- a/pkg/front_end/testcases/inference/downwards_inference_yield_yield_star.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/inference/downwards_inference_yield_yield_star.dart.weak.transformed.expect
@@ -97,42 +97,19 @@ static method foo() → asy::Stream<core::List<core::int*>*>* async* {
                                                                ^" in core::_GrowableList::•<dynamic>(0) as{TypeError} asy::Stream<core::List<core::int*>*>*;
   yield* self::MyStream::•<core::List<core::int*>*>();
 }
-static method bar() → core::Iterable<core::Map<core::int*, core::int*>*>* /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>*, dynamic, dynamic) →* core::bool* {
-    core::int* :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>* :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_current} = core::Map::•<core::int*, core::int*>();
-          [yield] true;
-        }
-        {
-          :iterator.{core::_SyncIterator::_current} = invalid-expression "pkg/front_end/testcases/inference/downwards_inference_yield_yield_star.dart:23:63: Error: A value of type 'List<dynamic>' can't be assigned to a variable of type 'Map<int, int>'.
+static method bar() → core::Iterable<core::Map<core::int*, core::int*>*>* sync* {
+  yield core::Map::•<core::int*, core::int*>();
+  yield invalid-expression "pkg/front_end/testcases/inference/downwards_inference_yield_yield_star.dart:23:63: Error: A value of type 'List<dynamic>' can't be assigned to a variable of type 'Map<int, int>'.
  - 'List' is from 'dart:core'.
  - 'Map' is from 'dart:core'.
   yield /*error:YIELD_OF_INVALID_TYPE*/ /*@typeArgs=dynamic*/ [];
                                                               ^" in core::_GrowableList::•<dynamic>(0) as{TypeError} core::Map<core::int*, core::int*>*;
-          [yield] true;
-        }
-        {
-          :iterator.{core::_SyncIterator::_yieldEachIterable} = invalid-expression "pkg/front_end/testcases/inference/downwards_inference_yield_yield_star.dart:24:79: Error: A value of type 'Map<dynamic, dynamic>' can't be assigned to a variable of type 'Iterable<Map<int, int>>'.
+  yield* invalid-expression "pkg/front_end/testcases/inference/downwards_inference_yield_yield_star.dart:24:79: Error: A value of type 'Map<dynamic, dynamic>' can't be assigned to a variable of type 'Iterable<Map<int, int>>'.
  - 'Map' is from 'dart:core'.
  - 'Iterable' is from 'dart:core'.
   yield* /*error:YIELD_OF_INVALID_TYPE*/ new /*@ typeArgs=dynamic, dynamic */ Map();
                                                                               ^" in core::Map::•<dynamic, dynamic>() as{TypeError} core::Iterable<core::Map<core::int*, core::int*>*>*;
-          [yield] true;
-        }
-        {
-          :iterator.{core::_SyncIterator::_yieldEachIterable} = core::_GrowableList::•<core::Map<core::int*, core::int*>*>(0);
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::Map<core::int*, core::int*>*>(:sync_op_gen);
+  yield* core::_GrowableList::•<core::Map<core::int*, core::int*>*>(0);
 }
 static method main() → dynamic {}
 
diff --git a/pkg/front_end/testcases/inference/infer_local_function_return_type.dart.weak.transformed.expect b/pkg/front_end/testcases/inference/infer_local_function_return_type.dart.weak.transformed.expect
index c0bf62ac79c..9486b2b2bd6 100644
--- a/pkg/front_end/testcases/inference/infer_local_function_return_type.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/inference/infer_local_function_return_type.dart.weak.transformed.expect
@@ -14,22 +14,8 @@ static method test() → dynamic {
   function f3() → asy::Future<core::int*>* async /* futureValueType= core::int* */ {
     return 42;
   }
-  function f4() → core::Iterable<core::int*>* /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>*, dynamic, dynamic) →* core::bool* {
-      core::int* :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>* :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_current} = 42;
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<core::int*>(:sync_op_gen);
+  function f4() → core::Iterable<core::int*>* sync* {
+    yield 42;
   }
   function f5() → asy::Stream<core::int*>* async* {
     yield 42;
diff --git a/pkg/front_end/testcases/inference/local_return_and_yield.dart.weak.transformed.expect b/pkg/front_end/testcases/inference/local_return_and_yield.dart.weak.transformed.expect
index 24b6944df67..58cba14f3b9 100644
--- a/pkg/front_end/testcases/inference/local_return_and_yield.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/inference/local_return_and_yield.dart.weak.transformed.expect
@@ -24,39 +24,11 @@ static method main() → dynamic {
     return /*@ returnType=dynamic */ (/*@ type=dynamic */ x) => x;
                                      ^" in ((dynamic x) → dynamic => x) as{TypeError} FutureOr<(core::int*) →* core::int*>*;
   }
-  function c() → core::Iterable<(core::int*) →* core::int*>* /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>*, dynamic, dynamic) →* core::bool* {
-      core::int* :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>* :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_current} = (core::int* x) → core::int* => x;
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<(core::int*) →* core::int*>(:sync_op_gen);
+  function c() → core::Iterable<(core::int*) →* core::int*>* sync* {
+    yield(core::int* x) → core::int* => x;
   }
-  function d() → core::Iterable<(core::int*) →* core::int*>* /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>*, dynamic, dynamic) →* core::bool* {
-      core::int* :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>* :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_yieldEachIterable} = core::_GrowableList::_literal1<(core::int*) →* core::int*>((core::int* x) → core::int* => x);
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<(core::int*) →* core::int*>(:sync_op_gen);
+  function d() → core::Iterable<(core::int*) →* core::int*>* sync* {
+    yield* core::_GrowableList::_literal1<(core::int*) →* core::int*>((core::int* x) → core::int* => x);
   }
   function e() → asy::Stream<(core::int*) →* core::int*>* async* {
     yield(core::int* x) → core::int* => x;
diff --git a/pkg/front_end/testcases/inference/top_level_return_and_yield.dart.weak.transformed.expect b/pkg/front_end/testcases/inference/top_level_return_and_yield.dart.weak.transformed.expect
index b867e079eba..ab018299270 100644
--- a/pkg/front_end/testcases/inference/top_level_return_and_yield.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/inference/top_level_return_and_yield.dart.weak.transformed.expect
@@ -23,39 +23,11 @@ static method b() → asy::Future<(core::int*) →* core::int*>* async /* future
   return /*@ returnType=dynamic */ (/*@ type=dynamic */ x) => x;
                                    ^" in ((dynamic x) → dynamic => x) as{TypeError} FutureOr<(core::int*) →* core::int*>*;
 }
-static method c() → core::Iterable<(core::int*) →* core::int*>* /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>*, dynamic, dynamic) →* core::bool* {
-    core::int* :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>* :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_current} = (core::int* x) → core::int* => x;
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<(core::int*) →* core::int*>(:sync_op_gen);
+static method c() → core::Iterable<(core::int*) →* core::int*>* sync* {
+  yield(core::int* x) → core::int* => x;
 }
-static method d() → core::Iterable<(core::int*) →* core::int*>* /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>*, dynamic, dynamic) →* core::bool* {
-    core::int* :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>* :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_yieldEachIterable} = core::_GrowableList::_literal1<(core::int*) →* core::int*>((core::int* x) → core::int* => x);
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<(core::int*) →* core::int*>(:sync_op_gen);
+static method d() → core::Iterable<(core::int*) →* core::int*>* sync* {
+  yield* core::_GrowableList::_literal1<(core::int*) →* core::int*>((core::int* x) → core::int* => x);
 }
 static method e() → asy::Stream<(core::int*) →* core::int*>* async* {
   yield(core::int* x) → core::int* => x;
diff --git a/pkg/front_end/testcases/nnbd/issue41437b.dart.strong.transformed.expect b/pkg/front_end/testcases/nnbd/issue41437b.dart.strong.transformed.expect
index 0ce9817b658..a8a9162c1fd 100644
--- a/pkg/front_end/testcases/nnbd/issue41437b.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/nnbd/issue41437b.dart.strong.transformed.expect
@@ -42,80 +42,24 @@ import "dart:core" as core;
 
 static method getNull() → dynamic
   return null;
-static method getIterableNull() → core::Iterable<dynamic> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_current} = null;
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
+static method getIterableNull() → core::Iterable<dynamic> sync* {
+  yield null;
 }
-static method getIterableBool() → core::Iterable<core::bool> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_current} = true;
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
+static method getIterableBool() → core::Iterable<core::bool> sync* {
+  yield true;
 }
-static method test1() → core::Iterable<core::bool> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_current} = self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
+static method test1() → core::Iterable<core::bool> sync* {
+  yield self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
 }
 static method test2() → core::Iterable<core::bool>
   return self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::Iterable<core::bool>;
 static method test3() → core::bool
   return self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
-static method test4() → core::Iterable<core::bool> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_yieldEachIterable} = invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:21:10: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
+static method test4() → core::Iterable<core::bool> sync* {
+  yield* invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:21:10: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
  - 'Iterable' is from 'dart:core'.
   yield* getIterableNull(); // error
          ^" in self::getIterableNull() as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
 }
 static method test5() → core::Iterable<core::bool>
   return invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:24:27: Error: A value of type 'Iterable<dynamic>' can't be returned from a function with return type 'Iterable<bool>'.
@@ -124,64 +68,22 @@ Iterable<bool> test5() => getIterableNull(); // error
                           ^" in self::getIterableNull() as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
 static method test6() → core::Iterable<core::bool>
   return self::getIterableBool();
-static method test7() → core::Iterable<core::bool> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_yieldEachIterable} = self::getIterableBool();
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
+static method test7() → core::Iterable<core::bool> sync* {
+  yield* self::getIterableBool();
 }
 static method test() → dynamic async /* futureValueType= dynamic */ {
-  function test1() → core::Iterable<core::bool> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_current} = self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
+  function test1() → core::Iterable<core::bool> sync* {
+    yield self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
   }
   function test2() → core::Iterable<core::bool>
     return self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::Iterable<core::bool>;
   function test3() → core::bool
     return self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
-  function test4() → core::Iterable<core::bool> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_yieldEachIterable} = invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:38:12: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
+  function test4() → core::Iterable<core::bool> sync* {
+    yield* invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:38:12: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
  - 'Iterable' is from 'dart:core'.
     yield* getIterableNull(); // error
            ^" in self::getIterableNull() as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
   }
   function test5() → core::Iterable<core::bool>
     return invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:41:29: Error: A value of type 'Iterable<dynamic>' can't be returned from a function with return type 'Iterable<bool>'.
@@ -190,86 +92,30 @@ static method test() → dynamic async /* futureValueType= dynamic */ {
                             ^" in self::getIterableNull() as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
   function test6() → core::Iterable<core::bool>
     return self::getIterableBool();
-  function test7() → core::Iterable<core::bool> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_yieldEachIterable} = self::getIterableBool();
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
+  function test7() → core::Iterable<core::bool> sync* {
+    yield* self::getIterableBool();
   }
   core::Iterable<core::bool> var1 = invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:49:5: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
  - 'Iterable' is from 'dart:core'.
   })(); // error
-    ^" in (() → core::Iterable<dynamic> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_current} = self::getNull();
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
+    ^" in (() → core::Iterable<dynamic> sync* {
+    yield self::getNull();
   })(){() → core::Iterable<dynamic>} as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
   core::Iterable<core::bool> var2 = (() → dynamic => self::getNull())(){() → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} core::Iterable<core::bool>;
   core::bool var3 = (() → dynamic => self::getNull())(){() → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
   core::Iterable<core::bool> var4 = invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:54:5: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
  - 'Iterable' is from 'dart:core'.
   })(); // error
-    ^" in (() → core::Iterable<dynamic> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_yieldEachIterable} = self::getIterableNull();
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
+    ^" in (() → core::Iterable<dynamic> sync* {
+    yield* self::getIterableNull();
   })(){() → core::Iterable<dynamic>} as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
   core::Iterable<core::bool> var5 = invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:55:50: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
  - 'Iterable' is from 'dart:core'.
   Iterable<bool> var5 = (() => getIterableNull())(); // error
                                                  ^" in (() → core::Iterable<dynamic> => self::getIterableNull())(){() → core::Iterable<dynamic>} as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
   core::Iterable<core::bool> var6 = (() → core::Iterable<core::bool> => self::getIterableBool())(){() → core::Iterable<core::bool>};
-  core::Iterable<core::bool> var7 = (() → core::Iterable<core::bool> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_yieldEachIterable} = self::getIterableBool();
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
+  core::Iterable<core::bool> var7 = (() → core::Iterable<core::bool> sync* {
+    yield* self::getIterableBool();
   })(){() → core::Iterable<core::bool>};
 }
 static method main() → dynamic {}
diff --git a/pkg/front_end/testcases/nnbd/issue41437b.dart.weak.transformed.expect b/pkg/front_end/testcases/nnbd/issue41437b.dart.weak.transformed.expect
index 0ce9817b658..a8a9162c1fd 100644
--- a/pkg/front_end/testcases/nnbd/issue41437b.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/nnbd/issue41437b.dart.weak.transformed.expect
@@ -42,80 +42,24 @@ import "dart:core" as core;
 
 static method getNull() → dynamic
   return null;
-static method getIterableNull() → core::Iterable<dynamic> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_current} = null;
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
+static method getIterableNull() → core::Iterable<dynamic> sync* {
+  yield null;
 }
-static method getIterableBool() → core::Iterable<core::bool> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_current} = true;
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
+static method getIterableBool() → core::Iterable<core::bool> sync* {
+  yield true;
 }
-static method test1() → core::Iterable<core::bool> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_current} = self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
+static method test1() → core::Iterable<core::bool> sync* {
+  yield self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
 }
 static method test2() → core::Iterable<core::bool>
   return self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::Iterable<core::bool>;
 static method test3() → core::bool
   return self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
-static method test4() → core::Iterable<core::bool> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_yieldEachIterable} = invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:21:10: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
+static method test4() → core::Iterable<core::bool> sync* {
+  yield* invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:21:10: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
  - 'Iterable' is from 'dart:core'.
   yield* getIterableNull(); // error
          ^" in self::getIterableNull() as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
 }
 static method test5() → core::Iterable<core::bool>
   return invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:24:27: Error: A value of type 'Iterable<dynamic>' can't be returned from a function with return type 'Iterable<bool>'.
@@ -124,64 +68,22 @@ Iterable<bool> test5() => getIterableNull(); // error
                           ^" in self::getIterableNull() as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
 static method test6() → core::Iterable<core::bool>
   return self::getIterableBool();
-static method test7() → core::Iterable<core::bool> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          :iterator.{core::_SyncIterator::_yieldEachIterable} = self::getIterableBool();
-          [yield] true;
-        }
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
+static method test7() → core::Iterable<core::bool> sync* {
+  yield* self::getIterableBool();
 }
 static method test() → dynamic async /* futureValueType= dynamic */ {
-  function test1() → core::Iterable<core::bool> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_current} = self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
+  function test1() → core::Iterable<core::bool> sync* {
+    yield self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
   }
   function test2() → core::Iterable<core::bool>
     return self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::Iterable<core::bool>;
   function test3() → core::bool
     return self::getNull() as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
-  function test4() → core::Iterable<core::bool> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_yieldEachIterable} = invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:38:12: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
+  function test4() → core::Iterable<core::bool> sync* {
+    yield* invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:38:12: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
  - 'Iterable' is from 'dart:core'.
     yield* getIterableNull(); // error
            ^" in self::getIterableNull() as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
   }
   function test5() → core::Iterable<core::bool>
     return invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:41:29: Error: A value of type 'Iterable<dynamic>' can't be returned from a function with return type 'Iterable<bool>'.
@@ -190,86 +92,30 @@ static method test() → dynamic async /* futureValueType= dynamic */ {
                             ^" in self::getIterableNull() as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
   function test6() → core::Iterable<core::bool>
     return self::getIterableBool();
-  function test7() → core::Iterable<core::bool> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_yieldEachIterable} = self::getIterableBool();
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
+  function test7() → core::Iterable<core::bool> sync* {
+    yield* self::getIterableBool();
   }
   core::Iterable<core::bool> var1 = invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:49:5: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
  - 'Iterable' is from 'dart:core'.
   })(); // error
-    ^" in (() → core::Iterable<dynamic> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_current} = self::getNull();
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
+    ^" in (() → core::Iterable<dynamic> sync* {
+    yield self::getNull();
   })(){() → core::Iterable<dynamic>} as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
   core::Iterable<core::bool> var2 = (() → dynamic => self::getNull())(){() → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} core::Iterable<core::bool>;
   core::bool var3 = (() → dynamic => self::getNull())(){() → dynamic} as{TypeError,ForDynamic,ForNonNullableByDefault} core::bool;
   core::Iterable<core::bool> var4 = invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:54:5: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
  - 'Iterable' is from 'dart:core'.
   })(); // error
-    ^" in (() → core::Iterable<dynamic> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_yieldEachIterable} = self::getIterableNull();
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
+    ^" in (() → core::Iterable<dynamic> sync* {
+    yield* self::getIterableNull();
   })(){() → core::Iterable<dynamic>} as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
   core::Iterable<core::bool> var5 = invalid-expression "pkg/front_end/testcases/nnbd/issue41437b.dart:55:50: Error: A value of type 'Iterable<dynamic>' can't be assigned to a variable of type 'Iterable<bool>'.
  - 'Iterable' is from 'dart:core'.
   Iterable<bool> var5 = (() => getIterableNull())(); // error
                                                  ^" in (() → core::Iterable<dynamic> => self::getIterableNull())(){() → core::Iterable<dynamic>} as{TypeError,ForNonNullableByDefault} core::Iterable<core::bool>;
   core::Iterable<core::bool> var6 = (() → core::Iterable<core::bool> => self::getIterableBool())(){() → core::Iterable<core::bool>};
-  core::Iterable<core::bool> var7 = (() → core::Iterable<core::bool> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_yieldEachIterable} = self::getIterableBool();
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<core::bool>(:sync_op_gen);
+  core::Iterable<core::bool> var7 = (() → core::Iterable<core::bool> sync* {
+    yield* self::getIterableBool();
   })(){() → core::Iterable<core::bool>};
 }
 static method main() → dynamic {}
diff --git a/pkg/front_end/testcases/nnbd/return_null.dart.strong.transformed.expect b/pkg/front_end/testcases/nnbd/return_null.dart.strong.transformed.expect
index 1415bf43cf0..961fd5bdb17 100644
--- a/pkg/front_end/testcases/nnbd/return_null.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/nnbd/return_null.dart.strong.transformed.expect
@@ -104,18 +104,7 @@ static method returnAsync6() → asy::Future<core::int?> async /* futureValueTyp
   return null;
 }
 static method returnAsync7() → asy::Future<core::int?> async /* futureValueType= core::int? */ {}
-static method yieldSync() → core::Iterable<dynamic> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {}
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
-}
+static method yieldSync() → core::Iterable<dynamic> sync* {}
 static method yieldAsync() → asy::Stream<dynamic> async* {}
 static method caseReturn1(self::Enum e) → self::Enum {
   switch(e) /*isExplicitlyExhaustive*/ {
@@ -184,18 +173,7 @@ static method localFunctions() → dynamic {
     return null;
   }
   function returnAsync7() → asy::Future<core::int?> async /* futureValueType= core::int? */ {}
-  function yieldSync() → core::Iterable<dynamic> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {}
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
-  }
+  function yieldSync() → core::Iterable<dynamic> sync* {}
   function yieldAsync() → asy::Stream<dynamic> async* {}
   function caseReturn1(self::Enum e) → self::Enum {
     switch(e) /*isExplicitlyExhaustive*/ {
diff --git a/pkg/front_end/testcases/nnbd/return_null.dart.weak.transformed.expect b/pkg/front_end/testcases/nnbd/return_null.dart.weak.transformed.expect
index c8236367754..f2e3ba6fa0e 100644
--- a/pkg/front_end/testcases/nnbd/return_null.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/nnbd/return_null.dart.weak.transformed.expect
@@ -105,18 +105,7 @@ static method returnAsync6() → asy::Future<core::int?> async /* futureValueTyp
   return null;
 }
 static method returnAsync7() → asy::Future<core::int?> async /* futureValueType= core::int? */ {}
-static method yieldSync() → core::Iterable<dynamic> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {}
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
-}
+static method yieldSync() → core::Iterable<dynamic> sync* {}
 static method yieldAsync() → asy::Stream<dynamic> async* {}
 static method caseReturn1(self::Enum e) → self::Enum {
   switch(e) /*isExplicitlyExhaustive*/ {
@@ -188,18 +177,7 @@ static method localFunctions() → dynamic {
     return null;
   }
   function returnAsync7() → asy::Future<core::int?> async /* futureValueType= core::int? */ {}
-  function yieldSync() → core::Iterable<dynamic> /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {}
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
-  }
+  function yieldSync() → core::Iterable<dynamic> sync* {}
   function yieldAsync() → asy::Stream<dynamic> async* {}
   function caseReturn1(self::Enum e) → self::Enum {
     switch(e) /*isExplicitlyExhaustive*/ {
diff --git a/pkg/front_end/testcases/regress/issue_29983.dart.weak.transformed.expect b/pkg/front_end/testcases/regress/issue_29983.dart.weak.transformed.expect
index 692911f103d..a23c69e12a3 100644
--- a/pkg/front_end/testcases/regress/issue_29983.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/regress/issue_29983.dart.weak.transformed.expect
@@ -21,48 +21,16 @@ library /*isNonNullableByDefault*/;
 import self as self;
 import "dart:core" as core;
 
-static method f() → dynamic /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        invalid-expression "pkg/front_end/testcases/regress/issue_29983.dart:7:3: Error: 'sync*' and 'async*' can't return a value.
+static method f() → dynamic sync* {
+  invalid-expression "pkg/front_end/testcases/regress/issue_29983.dart:7:3: Error: 'sync*' and 'async*' can't return a value.
   return missing;
   ^";
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
 }
-static method g() → dynamic /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      invalid-expression "pkg/front_end/testcases/regress/issue_29983.dart:11:14: Error: 'sync*' and 'async*' can't return a value.
+static method g() → dynamic sync* 
+  invalid-expression "pkg/front_end/testcases/regress/issue_29983.dart:11:14: Error: 'sync*' and 'async*' can't return a value.
 g() sync* => dummy;
              ^";
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
-}
-static method h() → dynamic /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        (() → core::String => "return")(){() → core::String};
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
+static method h() → dynamic sync* {
+  (() → core::String => "return")(){() → core::String};
 }
 static method main() → dynamic {}
diff --git a/pkg/front_end/testcases/regress/issue_37681.dart.weak.transformed.expect b/pkg/front_end/testcases/regress/issue_37681.dart.weak.transformed.expect
index e18b48b87f0..e34a210ec67 100644
--- a/pkg/front_end/testcases/regress/issue_37681.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/regress/issue_37681.dart.weak.transformed.expect
@@ -40,22 +40,8 @@ static method main() → dynamic async /* futureValueType= dynamic */ {
       if(!(:for-iterator.{asy::_StreamIterator::_subscription}{asy::StreamSubscription<dynamic>?} == null))
         await :for-iterator.{asy::_StreamIterator::cancel}(){() → asy::Future<dynamic>};
   }
-  function f_sync_star() → core::int /* originally sync* */ {
-    function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-      core::int :await_jump_var = 0;
-      dynamic :await_ctx_var;
-      function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-        {
-          {
-            :iterator.{core::_SyncIterator::_current} = 42;
-            [yield] true;
-          }
-        }
-        return false;
-      }
-      return :sync_op;
-    }
-    return new core::_SyncIterable::•<dynamic>(:sync_op_gen);
+  function f_sync_star() → core::int sync* {
+    yield 42;
   }
   {
     core::Iterator<dynamic> :sync-for-iterator = ((f_sync_star(){() → core::int} as{ForNonNullableByDefault} dynamic) as{TypeError,ForDynamic,ForNonNullableByDefault} core::Iterable<dynamic>).{core::Iterable::iterator}{core::Iterator<dynamic>};
diff --git a/pkg/kernel/lib/target/targets.dart b/pkg/kernel/lib/target/targets.dart
index ced147d512f..9554202ada8 100644
--- a/pkg/kernel/lib/target/targets.dart
+++ b/pkg/kernel/lib/target/targets.dart
@@ -553,6 +553,7 @@ abstract class Target {
   Class? concreteStringLiteralClass(CoreTypes coreTypes, String value) => null;
 
   Class? concreteAsyncResultClass(CoreTypes coreTypes) => null;
+  Class? concreteSyncStarResultClass(CoreTypes coreTypes) => null;
 
   ConstantsBackend get constantsBackend;
 
diff --git a/pkg/vm/lib/target/vm.dart b/pkg/vm/lib/target/vm.dart
index 7efa5d95345..a74b7184c20 100644
--- a/pkg/vm/lib/target/vm.dart
+++ b/pkg/vm/lib/target/vm.dart
@@ -41,6 +41,7 @@ class VmTarget extends Target {
   Class? _twoByteString;
   Class? _smi;
   Class? _double; // _Double, not double.
+  Class? _syncStarIterable;
 
   VmTarget(this.flags);
 
@@ -208,7 +209,7 @@ class VmTarget extends Target {
     bool productMode = environmentDefines!["dart.vm.product"] == "true";
     transformAsync.transformProcedure(
         new TypeEnvironment(coreTypes, hierarchy), procedure,
-        productMode: productMode, desugarAsync: flags.supportMirrors);
+        productMode: productMode, desugarAsync: !flags.compactAsync);
     logger?.call("Transformed async functions");
 
     lowering.transformProcedure(
@@ -500,6 +501,12 @@ class VmTarget extends Target {
   Class? concreteAsyncResultClass(CoreTypes coreTypes) =>
       coreTypes.futureImplClass;
 
+  @override
+  Class? concreteSyncStarResultClass(CoreTypes coreTypes) {
+    return _syncStarIterable ??=
+        coreTypes.index.getClass('dart:async', '_SyncStarIterable');
+  }
+
   @override
   ConstantsBackend get constantsBackend => const ConstantsBackend();
 
diff --git a/pkg/vm/lib/transformations/continuation.dart b/pkg/vm/lib/transformations/continuation.dart
index adba50aa66e..924125299c1 100644
--- a/pkg/vm/lib/transformations/continuation.dart
+++ b/pkg/vm/lib/transformations/continuation.dart
@@ -143,9 +143,15 @@ class RecursiveContinuationRewriter extends RemovingTransformer {
             helper, staticTypeContext, desugarAsync));
         return node;
       case AsyncMarker.SyncStar:
-        return new SyncStarFunctionRewriter(
-                helper, node, staticTypeContext, desugarAsync)
-            .rewrite();
+        if (desugarAsync) {
+          return new SyncStarFunctionRewriter(
+                  helper, node, staticTypeContext, desugarAsync)
+              .rewrite();
+        } else {
+          node.transformOrRemoveChildren(new RecursiveContinuationRewriter(
+              helper, staticTypeContext, desugarAsync));
+          return node;
+        }
       case AsyncMarker.Async:
         if (desugarAsync) {
           return new AsyncFunctionRewriter(
diff --git a/pkg/vm/lib/transformations/type_flow/summary_collector.dart b/pkg/vm/lib/transformations/type_flow/summary_collector.dart
index b061cb1b37c..6bd276810a7 100644
--- a/pkg/vm/lib/transformations/type_flow/summary_collector.dart
+++ b/pkg/vm/lib/transformations/type_flow/summary_collector.dart
@@ -788,10 +788,19 @@ class SummaryCollector extends RecursiveResultVisitor<TypeExpr?> {
               : _typesBuilder.fromStaticType(function.returnType, false);
           break;
         case AsyncMarker.AsyncStar:
-        case AsyncMarker.SyncStar:
           _summary.result =
               _typesBuilder.fromStaticType(function.returnType, false);
           break;
+        case AsyncMarker.SyncStar:
+          final Class? concreteClass =
+              target.concreteSyncStarResultClass(_environment.coreTypes);
+          _summary.result = (concreteClass != null)
+              ? _entryPointsListener
+                  .addAllocatedClass(concreteClass)
+                  .cls
+                  .concreteType
+              : _typesBuilder.fromStaticType(function.returnType, false);
+          break;
         default:
           _summary.result = _returnValue!;
       }
diff --git a/pkg/vm/testcases/transformations/ffi/finalizable_sync_star.dart.expect b/pkg/vm/testcases/transformations/ffi/finalizable_sync_star.dart.expect
index fc74d175548..aad007632a0 100644
--- a/pkg/vm/testcases/transformations/ffi/finalizable_sync_star.dart.expect
+++ b/pkg/vm/testcases/transformations/ffi/finalizable_sync_star.dart.expect
@@ -13,48 +13,27 @@ class MyFinalizable extends core::Object implements ffi::Finalizable {
 }
 static method doSomething() → core::int
   return 3;
-static method useFinalizableSyncStar(ffi::Finalizable finalizable) → core::Iterable<core::int> /* originally sync* */ {
-  function :sync_op_gen() → (core::_SyncIterator<dynamic>?, dynamic, dynamic) → core::bool* {
-    core::int :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    ffi::Finalizable finalizable = finalizable;
-    function :sync_op(core::_SyncIterator<dynamic>? :iterator, dynamic :exception, dynamic :stack_trace) → core::bool* yielding {
-      {
-        {
-          [@vm.call-site-attributes.metadata=receiverType:dart.core::_SyncIterator<dynamic>?] :iterator.{core::_SyncIterator::_current} = block {
-            final core::int :expressionValueWrappedFinalizable = self::doSomething();
-            _in::reachabilityFence(finalizable);
-          } =>:expressionValueWrappedFinalizable;
-          [yield] true;
-        }
-        final self::MyFinalizable finalizable2 = new self::MyFinalizable::•();
-        {
-          [@vm.call-site-attributes.metadata=receiverType:dart.core::_SyncIterator<dynamic>?] :iterator.{core::_SyncIterator::_current} = block {
-            final core::int :expressionValueWrappedFinalizable = 5;
-            _in::reachabilityFence(finalizable);
-            _in::reachabilityFence(finalizable2);
-          } =>:expressionValueWrappedFinalizable;
-          [yield] true;
-        }
-        final self::MyFinalizable finalizable3 = new self::MyFinalizable::•();
-        {
-          [@vm.call-site-attributes.metadata=receiverType:dart.core::_SyncIterator<dynamic>?] :iterator.{core::_SyncIterator::_current} = block {
-            final core::int :expressionValueWrappedFinalizable = 10;
-            _in::reachabilityFence(finalizable);
-            _in::reachabilityFence(finalizable2);
-            _in::reachabilityFence(finalizable3);
-          } =>:expressionValueWrappedFinalizable;
-          [yield] true;
-        }
-        _in::reachabilityFence(finalizable2);
-        _in::reachabilityFence(finalizable3);
-        _in::reachabilityFence(finalizable);
-      }
-      return false;
-    }
-    return :sync_op;
-  }
-  return new core::_SyncIterable::•<core::int>(:sync_op_gen);
+static method useFinalizableSyncStar(ffi::Finalizable finalizable) → core::Iterable<core::int> sync* {
+  yield block {
+    final core::int :expressionValueWrappedFinalizable = self::doSomething();
+    _in::reachabilityFence(finalizable);
+  } =>:expressionValueWrappedFinalizable;
+  final self::MyFinalizable finalizable2 = new self::MyFinalizable::•();
+  yield block {
+    final core::int :expressionValueWrappedFinalizable = 5;
+    _in::reachabilityFence(finalizable);
+    _in::reachabilityFence(finalizable2);
+  } =>:expressionValueWrappedFinalizable;
+  final self::MyFinalizable finalizable3 = new self::MyFinalizable::•();
+  yield block {
+    final core::int :expressionValueWrappedFinalizable = 10;
+    _in::reachabilityFence(finalizable);
+    _in::reachabilityFence(finalizable2);
+    _in::reachabilityFence(finalizable3);
+  } =>:expressionValueWrappedFinalizable;
+  _in::reachabilityFence(finalizable2);
+  _in::reachabilityFence(finalizable3);
+  _in::reachabilityFence(finalizable);
 }
 static method main() → void {
   final self::MyFinalizable finalizable = new self::MyFinalizable::•();
diff --git a/runtime/observatory/tests/service/step_through_for_each_sync_star_2_test.dart b/runtime/observatory/tests/service/step_through_for_each_sync_star_2_test.dart
index 16ee4c93509..c89d729d3db 100644
--- a/runtime/observatory/tests/service/step_through_for_each_sync_star_2_test.dart
+++ b/runtime/observatory/tests/service/step_through_for_each_sync_star_2_test.dart
@@ -36,7 +36,6 @@ List<String> expected = [
   "$file:${LINE + 2}:5", // on 'print'
   "$file:${LINE + 1}:25", // on 'generator' (in 'for' line)
 
-  "$file:${LINE + 6}:10", // after 'generator' (definition line)
   "$file:${LINE + 10}:11", // on '+' in 'x + y'
   "$file:${LINE + 10}:3", // on yield
 
@@ -45,7 +44,6 @@ List<String> expected = [
   "$file:${LINE + 2}:5", // on 'print'
   "$file:${LINE + 1}:25", // on 'generator' (in 'for' line)
 
-  "$file:${LINE + 6}:10", // after 'generator' (definition line)
   "$file:${LINE + 11}:1", // on ending '}' of 'generator'
 
   "$file:${LINE + 4}:1", // on ending '}' of 'code''
diff --git a/runtime/observatory/tests/service/step_through_for_each_sync_star_test.dart b/runtime/observatory/tests/service/step_through_for_each_sync_star_test.dart
index 676c5e09ea0..af127dd31ab 100644
--- a/runtime/observatory/tests/service/step_through_for_each_sync_star_test.dart
+++ b/runtime/observatory/tests/service/step_through_for_each_sync_star_test.dart
@@ -37,7 +37,6 @@ List<String> expected = [
   "$file:${LINE + 2}:5", // on 'print'
   "$file:${LINE + 1}:25", // on 'generator' (in 'for' line)
 
-  "$file:${LINE + 6}:10", // after 'generator' (definition line)
   "$file:${LINE + 10}:13", // on '+' in 'z = x + y'
   "$file:${LINE + 11}:3", // on yield
 
@@ -46,7 +45,6 @@ List<String> expected = [
   "$file:${LINE + 2}:5", // on 'print'
   "$file:${LINE + 1}:25", // on 'generator' (in 'for' line)
 
-  "$file:${LINE + 6}:10", // after 'generator' (definition line)
   "$file:${LINE + 12}:1", // on ending '}' of 'generator'
 
   "$file:${LINE + 4}:1", // on ending '}' of 'code''
diff --git a/runtime/observatory_2/tests/service_2/step_through_for_each_sync_star_2_test.dart b/runtime/observatory_2/tests/service_2/step_through_for_each_sync_star_2_test.dart
index 16ee4c93509..c89d729d3db 100644
--- a/runtime/observatory_2/tests/service_2/step_through_for_each_sync_star_2_test.dart
+++ b/runtime/observatory_2/tests/service_2/step_through_for_each_sync_star_2_test.dart
@@ -36,7 +36,6 @@ List<String> expected = [
   "$file:${LINE + 2}:5", // on 'print'
   "$file:${LINE + 1}:25", // on 'generator' (in 'for' line)
 
-  "$file:${LINE + 6}:10", // after 'generator' (definition line)
   "$file:${LINE + 10}:11", // on '+' in 'x + y'
   "$file:${LINE + 10}:3", // on yield
 
@@ -45,7 +44,6 @@ List<String> expected = [
   "$file:${LINE + 2}:5", // on 'print'
   "$file:${LINE + 1}:25", // on 'generator' (in 'for' line)
 
-  "$file:${LINE + 6}:10", // after 'generator' (definition line)
   "$file:${LINE + 11}:1", // on ending '}' of 'generator'
 
   "$file:${LINE + 4}:1", // on ending '}' of 'code''
diff --git a/runtime/observatory_2/tests/service_2/step_through_for_each_sync_star_test.dart b/runtime/observatory_2/tests/service_2/step_through_for_each_sync_star_test.dart
index 676c5e09ea0..af127dd31ab 100644
--- a/runtime/observatory_2/tests/service_2/step_through_for_each_sync_star_test.dart
+++ b/runtime/observatory_2/tests/service_2/step_through_for_each_sync_star_test.dart
@@ -37,7 +37,6 @@ List<String> expected = [
   "$file:${LINE + 2}:5", // on 'print'
   "$file:${LINE + 1}:25", // on 'generator' (in 'for' line)
 
-  "$file:${LINE + 6}:10", // after 'generator' (definition line)
   "$file:${LINE + 10}:13", // on '+' in 'z = x + y'
   "$file:${LINE + 11}:3", // on yield
 
@@ -46,7 +45,6 @@ List<String> expected = [
   "$file:${LINE + 2}:5", // on 'print'
   "$file:${LINE + 1}:25", // on 'generator' (in 'for' line)
 
-  "$file:${LINE + 6}:10", // after 'generator' (definition line)
   "$file:${LINE + 12}:1", // on ending '}' of 'generator'
 
   "$file:${LINE + 4}:1", // on ending '}' of 'code''
diff --git a/runtime/vm/compiler/assembler/assembler_ia32.cc b/runtime/vm/compiler/assembler/assembler_ia32.cc
index b94cc03efea..4dba0741acb 100644
--- a/runtime/vm/compiler/assembler/assembler_ia32.cc
+++ b/runtime/vm/compiler/assembler/assembler_ia32.cc
@@ -2715,11 +2715,21 @@ void Assembler::CopyMemoryWords(Register src,
                                 Register dst,
                                 Register size,
                                 Register temp) {
-  RELEASE_ASSERT(src == ESI);
-  RELEASE_ASSERT(dst == EDI);
-  RELEASE_ASSERT(size == ECX);
-  shrl(size, Immediate(target::kWordSizeLog2));
-  rep_movsd();
+  // This loop is equivalent to
+  //   shrl(size, Immediate(target::kWordSizeLog2));
+  //   rep_movsd();
+  // but shows better performance on certain micro-benchmarks.
+  Label loop, done;
+  cmpl(size, Immediate(0));
+  j(EQUAL, &done, kNearJump);
+  Bind(&loop);
+  movl(temp, Address(src, 0));
+  addl(src, Immediate(target::kWordSize));
+  movl(Address(dst, 0), temp);
+  addl(dst, Immediate(target::kWordSize));
+  subl(size, Immediate(target::kWordSize));
+  j(NOT_ZERO, &loop, kNearJump);
+  Bind(&done);
 }
 
 void Assembler::PushCodeObject() {
diff --git a/runtime/vm/compiler/assembler/assembler_x64.cc b/runtime/vm/compiler/assembler/assembler_x64.cc
index 2d3ebb0b37e..8cd8bf68e36 100644
--- a/runtime/vm/compiler/assembler/assembler_x64.cc
+++ b/runtime/vm/compiler/assembler/assembler_x64.cc
@@ -2306,11 +2306,21 @@ void Assembler::CopyMemoryWords(Register src,
                                 Register dst,
                                 Register size,
                                 Register temp) {
-  RELEASE_ASSERT(src == RSI);
-  RELEASE_ASSERT(dst == RDI);
-  RELEASE_ASSERT(size == RCX);
-  shrq(size, Immediate(target::kWordSizeLog2));
-  rep_movsq();
+  // This loop is equivalent to
+  //   shrq(size, Immediate(target::kWordSizeLog2));
+  //   rep_movsq()
+  // but shows better performance on certain micro-benchmarks.
+  Label loop, done;
+  cmpq(size, Immediate(0));
+  j(EQUAL, &done, kNearJump);
+  Bind(&loop);
+  movq(temp, Address(src, 0));
+  addq(src, Immediate(target::kWordSize));
+  movq(Address(dst, 0), temp);
+  addq(dst, Immediate(target::kWordSize));
+  subq(size, Immediate(target::kWordSize));
+  j(NOT_ZERO, &loop, kNearJump);
+  Bind(&done);
 }
 
 void Assembler::GenerateUnRelocatedPcRelativeCall(intptr_t offset_into_target) {
diff --git a/runtime/vm/compiler/backend/il.cc b/runtime/vm/compiler/backend/il.cc
index 58a3f569cfe..ae1740f7427 100644
--- a/runtime/vm/compiler/backend/il.cc
+++ b/runtime/vm/compiler/backend/il.cc
@@ -6850,6 +6850,10 @@ const Code& ReturnInstr::GetReturnStub(FlowGraphCompiler* compiler) const {
     return Code::ZoneHandle(
         compiler->zone(),
         compiler->isolate_group()->object_store()->return_async_star_stub());
+  } else if (function.IsCompactSyncStarFunction()) {
+    return Code::ZoneHandle(
+        compiler->zone(),
+        compiler->isolate_group()->object_store()->return_sync_star_stub());
   } else {
     UNREACHABLE();
   }
@@ -7293,8 +7297,13 @@ LocationSummary* Call1ArgStubInstr::MakeLocationSummary(Zone* zone,
   LocationSummary* locs = new (zone)
       LocationSummary(zone, kNumInputs, kNumTemps, LocationSummary::kCall);
   switch (stub_id_) {
+    case StubId::kCloneSuspendState:
+      locs->set_in(
+          0, Location::RegisterLocation(CloneSuspendStateStubABI::kSourceReg));
+      break;
     case StubId::kInitAsync:
     case StubId::kInitAsyncStar:
+    case StubId::kInitSyncStar:
       locs->set_in(0, Location::RegisterLocation(
                           InitSuspendableFunctionStubABI::kTypeArgsReg));
       break;
@@ -7307,12 +7316,18 @@ void Call1ArgStubInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
   ObjectStore* object_store = compiler->isolate_group()->object_store();
   Code& stub = Code::ZoneHandle(compiler->zone());
   switch (stub_id_) {
+    case StubId::kCloneSuspendState:
+      stub = object_store->clone_suspend_state_stub();
+      break;
     case StubId::kInitAsync:
       stub = object_store->init_async_stub();
       break;
     case StubId::kInitAsyncStar:
       stub = object_store->init_async_star_stub();
       break;
+    case StubId::kInitSyncStar:
+      stub = object_store->init_sync_star_stub();
+      break;
   }
   compiler->GenerateStubCall(source(), stub, UntaggedPcDescriptors::kOther,
                              locs(), deopt_id(), env());
@@ -7341,6 +7356,9 @@ void SuspendInstr::EmitNativeCode(FlowGraphCompiler* compiler) {
     case StubId::kYieldAsyncStar:
       stub = object_store->yield_async_star_stub();
       break;
+    case StubId::kYieldSyncStar:
+      stub = object_store->yield_sync_star_stub();
+      break;
   }
   compiler->GenerateStubCall(source(), stub, UntaggedPcDescriptors::kOther,
                              locs(), deopt_id(), env());
diff --git a/runtime/vm/compiler/backend/il.h b/runtime/vm/compiler/backend/il.h
index 676dd00cfa4..c7626f75332 100644
--- a/runtime/vm/compiler/backend/il.h
+++ b/runtime/vm/compiler/backend/il.h
@@ -9583,8 +9583,10 @@ class SimdOpInstr : public Definition {
 class Call1ArgStubInstr : public TemplateDefinition<1, Throws> {
  public:
   enum class StubId {
+    kCloneSuspendState,
     kInitAsync,
     kInitAsyncStar,
+    kInitSyncStar,
   };
 
   Call1ArgStubInstr(const InstructionSource& source,
@@ -9624,6 +9626,7 @@ class SuspendInstr : public TemplateDefinition<1, Throws> {
   enum class StubId {
     kAwait,
     kYieldAsyncStar,
+    kYieldSyncStar,
   };
 
   SuspendInstr(const InstructionSource& source,
diff --git a/runtime/vm/compiler/backend/il_printer.cc b/runtime/vm/compiler/backend/il_printer.cc
index fd5b452a12e..96b12f460a8 100644
--- a/runtime/vm/compiler/backend/il_printer.cc
+++ b/runtime/vm/compiler/backend/il_printer.cc
@@ -1367,12 +1367,18 @@ void TailCallInstr::PrintOperandsTo(BaseTextBuffer* f) const {
 void Call1ArgStubInstr::PrintOperandsTo(BaseTextBuffer* f) const {
   const char* name = "";
   switch (stub_id_) {
+    case StubId::kCloneSuspendState:
+      name = "CloneSuspendState";
+      break;
     case StubId::kInitAsync:
       name = "InitAsync";
       break;
     case StubId::kInitAsyncStar:
       name = "InitAsyncStar";
       break;
+    case StubId::kInitSyncStar:
+      name = "InitSyncStar";
+      break;
   }
   f->Printf("%s(", name);
   operand()->PrintTo(f);
@@ -1388,6 +1394,9 @@ void SuspendInstr::PrintOperandsTo(BaseTextBuffer* f) const {
     case StubId::kYieldAsyncStar:
       name = "YieldAsyncStar";
       break;
+    case StubId::kYieldSyncStar:
+      name = "YieldSyncStar";
+      break;
   }
   f->Printf("%s(", name);
   operand()->PrintTo(f);
diff --git a/runtime/vm/compiler/frontend/kernel_binary_flowgraph.cc b/runtime/vm/compiler/frontend/kernel_binary_flowgraph.cc
index 0ccfd452d3e..aeb0cabb134 100644
--- a/runtime/vm/compiler/frontend/kernel_binary_flowgraph.cc
+++ b/runtime/vm/compiler/frontend/kernel_binary_flowgraph.cc
@@ -702,6 +702,30 @@ Fragment StreamingFlowGraphBuilder::InitSuspendableFunction(
     body += B->Suspend(TokenPosition::kNoSource,
                        SuspendInstr::StubId::kYieldAsyncStar);
     body += Drop();
+  } else if (dart_function.IsCompactSyncStarFunction()) {
+    const auto& result_type =
+        AbstractType::Handle(Z, dart_function.result_type());
+    auto& type_args = TypeArguments::ZoneHandle(Z);
+    if (result_type.IsType() &&
+        (result_type.type_class() == IG->object_store()->iterable_class())) {
+      ASSERT(result_type.IsFinalized());
+      type_args = result_type.arguments();
+    }
+
+    body += TranslateInstantiatedTypeArguments(type_args);
+    body += B->Call1ArgStub(TokenPosition::kNoSource,
+                            Call1ArgStubInstr::StubId::kInitSyncStar);
+    body += Drop();
+    body += NullConstant();
+    body += B->Suspend(TokenPosition::kNoSource,
+                       SuspendInstr::StubId::kYieldSyncStar);
+    body += Drop();
+    // Clone context if there are any captured parameter variables, so
+    // each invocation of .iterator would get its own copy of parameters.
+    const LocalScope* scope = parsed_function()->scope();
+    if (scope->num_context_variables() > 0) {
+      body += CloneContext(scope->context_slots());
+    }
   }
   return body;
 }
@@ -5279,22 +5303,7 @@ Fragment StreamingFlowGraphBuilder::BuildYieldStatement(
 
   if ((flags & kYieldStatementFlagNative) == 0) {
     Fragment instructions;
-    // Generate the following code for yield <expr>:
-    //
-    // _AsyncStarStreamController controller = :suspend_state._functionData;
-    // if (controller.add(<expr>)) {
-    //   return;
-    // }
-    // suspend();
-    //
-    // Generate the following code for yield* <expr>:
-    //
-    // _AsyncStarStreamController controller = :suspend_state._functionData;
-    // controller.addStream(<expr>);
-    // if (suspend()) {
-    //   return;
-    // }
-    //
+    const bool is_yield_star = (flags & kYieldStatementFlagYieldStar) != 0;
 
     // Load :suspend_state variable using low-level FP-relative load
     // in order to avoid confusing SSA construction (which cannot
@@ -5313,41 +5322,85 @@ Fragment StreamingFlowGraphBuilder::BuildYieldStatement(
       instructions += DebugStepCheck(pos);
     }
 
-    auto& add_method = Function::ZoneHandle(Z);
-    const bool is_yield_star = (flags & kYieldStatementFlagYieldStar) != 0;
-    if (is_yield_star) {
-      add_method =
-          IG->object_store()->async_star_stream_controller_add_stream();
-    } else {
-      add_method = IG->object_store()->async_star_stream_controller_add();
-    }
-    instructions +=
-        StaticCall(TokenPosition::kNoSource, add_method, 2, ICData::kNoRebind);
+    if (parsed_function()->function().IsCompactAsyncStarFunction()) {
+      // In the async* functions, generate the following code for yield <expr>:
+      //
+      // _AsyncStarStreamController controller = :suspend_state._functionData;
+      // if (controller.add(<expr>)) {
+      //   return;
+      // }
+      // suspend();
+      //
+      // Generate the following code for yield* <expr>:
+      //
+      // _AsyncStarStreamController controller = :suspend_state._functionData;
+      // controller.addStream(<expr>);
+      // if (suspend()) {
+      //   return;
+      // }
+      //
 
-    if (is_yield_star) {
-      // Discard result of _AsyncStarStreamController.addStream().
-      instructions += Drop();
-      // Suspend and test value passed to the resumed async* body.
+      auto& add_method = Function::ZoneHandle(Z);
+      if (is_yield_star) {
+        add_method =
+            IG->object_store()->async_star_stream_controller_add_stream();
+      } else {
+        add_method = IG->object_store()->async_star_stream_controller_add();
+      }
+      instructions += StaticCall(TokenPosition::kNoSource, add_method, 2,
+                                 ICData::kNoRebind);
+
+      if (is_yield_star) {
+        // Discard result of _AsyncStarStreamController.addStream().
+        instructions += Drop();
+        // Suspend and test value passed to the resumed async* body.
+        instructions += NullConstant();
+        instructions += B->Suspend(pos, SuspendInstr::StubId::kYieldAsyncStar);
+      } else {
+        // Test value returned by _AsyncStarStreamController.add().
+      }
+
+      TargetEntryInstr* exit;
+      TargetEntryInstr* continue_execution;
+      instructions += BranchIfTrue(&exit, &continue_execution, false);
+
+      Fragment do_exit(exit);
+      do_exit += TranslateFinallyFinalizers(nullptr, -1);
+      do_exit += NullConstant();
+      do_exit += Return(TokenPosition::kNoSource);
+
+      instructions = Fragment(instructions.entry, continue_execution);
+      if (!is_yield_star) {
+        instructions += NullConstant();
+        instructions += B->Suspend(pos, SuspendInstr::StubId::kYieldAsyncStar);
+        instructions += Drop();
+      }
+
+    } else if (parsed_function()->function().IsCompactSyncStarFunction()) {
+      // In the sync* functions, generate the following code for yield <expr>:
+      //
+      // _SyncStarIterator iterator = :suspend_state._functionData;
+      // iterator._current = <expr>;
+      // suspend();
+      //
+      // Generate the following code for yield* <expr>:
+      //
+      // _SyncStarIterator iterator = :suspend_state._functionData;
+      // iterator._yieldStarIterable = <expr>;
+      // suspend();
+      //
+      auto& field = Field::ZoneHandle(Z);
+      if (is_yield_star) {
+        field = IG->object_store()->sync_star_iterator_yield_star_iterable();
+      } else {
+        field = IG->object_store()->sync_star_iterator_current();
+      }
+      instructions += B->StoreInstanceFieldGuarded(field);
       instructions += NullConstant();
-      instructions += B->Suspend(pos, SuspendInstr::StubId::kYieldAsyncStar);
-    } else {
-      // Test value returned by _AsyncStarStreamController.add().
-    }
-
-    TargetEntryInstr* exit;
-    TargetEntryInstr* continue_execution;
-    instructions += BranchIfTrue(&exit, &continue_execution, false);
-
-    Fragment do_exit(exit);
-    do_exit += TranslateFinallyFinalizers(nullptr, -1);
-    do_exit += NullConstant();
-    do_exit += Return(TokenPosition::kNoSource);
-
-    instructions = Fragment(instructions.entry, continue_execution);
-    if (!is_yield_star) {
-      instructions += NullConstant();
-      instructions += B->Suspend(pos, SuspendInstr::StubId::kYieldAsyncStar);
+      instructions += B->Suspend(pos, SuspendInstr::StubId::kYieldSyncStar);
       instructions += Drop();
+    } else {
+      UNREACHABLE();
     }
 
     return instructions;
@@ -5604,6 +5657,13 @@ Fragment StreamingFlowGraphBuilder::BuildFunctionNode(
           function.set_is_inlinable(false);
           function.set_is_visible(true);
           ASSERT(function.IsCompactAsyncStarFunction());
+        } else if (function_node_helper.async_marker_ ==
+                   FunctionNodeHelper::kSyncStar) {
+          function.set_modifier(UntaggedFunction::kSyncGen);
+          function.set_is_debuggable(true);
+          function.set_is_inlinable(false);
+          function.set_is_visible(true);
+          ASSERT(function.IsCompactSyncStarFunction());
         } else {
           ASSERT((function_node_helper.async_marker_ ==
                   FunctionNodeHelper::kSync) ||
@@ -5632,7 +5692,8 @@ Fragment StreamingFlowGraphBuilder::BuildFunctionNode(
           // need to manually label it generated:
           if (function.parent_function() != Function::null()) {
             const auto& parent = Function::Handle(function.parent_function());
-            if (parent.IsSyncGenerator()) {
+            if (parent.IsSyncGenerator() &&
+                !parent.IsCompactSyncStarFunction()) {
               function.set_is_generated_body(true);
             }
           }
@@ -5643,6 +5704,7 @@ Fragment StreamingFlowGraphBuilder::BuildFunctionNode(
           }
           ASSERT(!function.IsCompactAsyncFunction());
           ASSERT(!function.IsCompactAsyncStarFunction());
+          ASSERT(!function.IsCompactSyncStarFunction());
         }
 
         // If the start token position is synthetic, the end token position
diff --git a/runtime/vm/compiler/frontend/kernel_to_il.cc b/runtime/vm/compiler/frontend/kernel_to_il.cc
index 4d50fc799fb..69abb4e8c90 100644
--- a/runtime/vm/compiler/frontend/kernel_to_il.cc
+++ b/runtime/vm/compiler/frontend/kernel_to_il.cc
@@ -901,6 +901,7 @@ bool FlowGraphBuilder::IsRecognizedMethodForFlowGraph(
   const MethodRecognizer::Kind kind = function.recognized_kind();
 
   switch (kind) {
+    case MethodRecognizer::kSuspendState_clone:
     case MethodRecognizer::kSuspendState_resume:
     case MethodRecognizer::kTypedData_ByteDataView_factory:
     case MethodRecognizer::kTypedData_Int8ArrayView_factory:
@@ -1049,6 +1050,13 @@ FlowGraph* FlowGraphBuilder::BuildGraphOfRecognizedMethod(
 
   const MethodRecognizer::Kind kind = function.recognized_kind();
   switch (kind) {
+    case MethodRecognizer::kSuspendState_clone: {
+      ASSERT_EQUAL(function.NumParameters(), 1);
+      body += LoadLocal(parsed_function_->RawParameterVariable(0));
+      body += Call1ArgStub(TokenPosition::kNoSource,
+                           Call1ArgStubInstr::StubId::kCloneSuspendState);
+      break;
+    }
     case MethodRecognizer::kSuspendState_resume: {
       const Code& resume_stub =
           Code::ZoneHandle(Z, IG->object_store()->resume_stub());
diff --git a/runtime/vm/compiler/recognized_methods_list.h b/runtime/vm/compiler/recognized_methods_list.h
index 4f9b0357057..010e653ea90 100644
--- a/runtime/vm/compiler/recognized_methods_list.h
+++ b/runtime/vm/compiler/recognized_methods_list.h
@@ -95,11 +95,12 @@ namespace dart {
     0xaeca06ef)                                                                \
   V(_SuspendState, set:_errorCallback, SuspendState_setErrorCallback,          \
     0xc40903ac)                                                                \
+  V(_SuspendState, _clone, SuspendState_clone, 0xae1a40a0)                     \
   V(_SuspendState, _createAsyncCallbacks, SuspendState_createAsyncCallbacks,   \
     0x68be1bf3)                                                                \
   V(_SuspendState, _createAsyncStarCallback,                                   \
     SuspendState_createAsyncStarCallback, 0xfa7537e4)                          \
-  V(_SuspendState, _resume, SuspendState_resume, 0xc738e9d2)                   \
+  V(_SuspendState, _resume, SuspendState_resume, 0x5d7a8489)                   \
   V(_IntegerImplementation, toDouble, IntegerToDouble, 0x97728b46)             \
   V(_Double, _add, DoubleAdd, 0xea666327)                                      \
   V(_Double, _sub, DoubleSub, 0x28474c2e)                                      \
diff --git a/runtime/vm/compiler/runtime_api.h b/runtime/vm/compiler/runtime_api.h
index 5f8ec140d4f..fb828f0da59 100644
--- a/runtime/vm/compiler/runtime_api.h
+++ b/runtime/vm/compiler/runtime_api.h
@@ -1212,6 +1212,7 @@ class Thread : public AllStatic {
   static word return_async_not_future_stub_offset();
   static word return_async_star_stub_offset();
   static word return_async_stub_offset();
+  static word return_sync_star_stub_offset();
   static word stack_overflow_shared_without_fpu_regs_entry_point_offset();
   static word stack_overflow_shared_without_fpu_regs_stub_offset();
   static word stack_overflow_shared_with_fpu_regs_entry_point_offset();
@@ -1260,6 +1261,10 @@ class Thread : public AllStatic {
   static word suspend_state_yield_async_star_entry_point_offset();
   static word suspend_state_return_async_star_entry_point_offset();
 
+  static word suspend_state_init_sync_star_entry_point_offset();
+  static word suspend_state_yield_sync_star_entry_point_offset();
+  static word suspend_state_return_sync_star_entry_point_offset();
+
   static word suspend_state_handle_exception_entry_point_offset();
 
   static word OffsetFromThread(const dart::Object& object);
@@ -1291,10 +1296,13 @@ class ObjectStore : public AllStatic {
   static word suspend_state_handle_exception_offset();
   static word suspend_state_init_async_offset();
   static word suspend_state_init_async_star_offset();
+  static word suspend_state_init_sync_star_offset();
   static word suspend_state_return_async_offset();
   static word suspend_state_return_async_not_future_offset();
   static word suspend_state_return_async_star_offset();
+  static word suspend_state_return_sync_star_offset();
   static word suspend_state_yield_async_star_offset();
+  static word suspend_state_yield_sync_star_offset();
 };
 
 class Isolate : public AllStatic {
diff --git a/runtime/vm/compiler/runtime_offsets_extracted.h b/runtime/vm/compiler/runtime_offsets_extracted.h
index fa6301e6023..fe183dac09a 100644
--- a/runtime/vm/compiler/runtime_offsets_extracted.h
+++ b/runtime/vm/compiler/runtime_offsets_extracted.h
@@ -230,21 +230,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     112;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 504;
+    ObjectStore_suspend_state_await_offset = 508;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 528;
+    ObjectStore_suspend_state_handle_exception_offset = 544;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 500;
+    ObjectStore_suspend_state_init_async_offset = 504;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 516;
+    ObjectStore_suspend_state_init_async_star_offset = 520;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 508;
+    ObjectStore_suspend_state_init_sync_star_offset = 532;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 512;
+    ObjectStore_suspend_state_return_async_offset = 512;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 524;
+    ObjectStore_suspend_state_return_async_not_future_offset = 516;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 520;
+    ObjectStore_suspend_state_return_async_star_offset = 528;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 540;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 524;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 536;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 12;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 4;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset = 8;
@@ -276,115 +282,115 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 12;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 20;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 400;
+    Thread_AllocateArray_entry_point_offset = 404;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    816;
+    836;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    820;
+    840;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 292;
+    Thread_array_write_barrier_entry_point_offset = 296;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 300;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 304;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 184;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 304;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 308;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 188;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 308;
+    Thread_allocate_object_entry_point_offset = 312;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 192;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 312;
+    Thread_allocate_object_parameterized_entry_point_offset = 316;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 196;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 316;
+    Thread_allocate_object_slow_entry_point_offset = 320;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 200;
-static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 856;
+static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 876;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 204;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 364;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 368;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 120;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 116;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 356;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 296;
+    Thread_call_to_runtime_entry_point_offset = 300;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 140;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 880;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 904;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 44;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 860;
+    Thread_double_truncate_round_supported_offset = 880;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 884;
+    Thread_service_extension_stream_offset = 908;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    336;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 248;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     340;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 252;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    344;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    252;
+    256;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    380;
+    384;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 376;
+    Thread_double_negate_address_offset = 380;
 static constexpr dart::compiler::target::word Thread_end_offset = 52;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 272;
+    Thread_enter_safepoint_stub_offset = 276;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    836;
+    856;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 276;
+    Thread_exit_safepoint_stub_offset = 280;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 280;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 284;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 284;
+    Thread_call_native_through_safepoint_stub_offset = 288;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 344;
+    Thread_call_native_through_safepoint_entry_point_offset = 348;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 132;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 128;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 392;
+    Thread_float_absolute_address_offset = 396;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 388;
+    Thread_float_negate_address_offset = 392;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    384;
+    388;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 396;
+    Thread_float_zerow_address_offset = 400;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    824;
+    844;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 136;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    852;
+    872;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 40;
-static constexpr dart::compiler::target::word Thread_isolate_group_offset = 888;
+static constexpr dart::compiler::target::word Thread_isolate_group_offset = 912;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     64;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 256;
+    Thread_lazy_deopt_from_return_stub_offset = 260;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 260;
+    Thread_lazy_deopt_from_throw_stub_offset = 264;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 268;
+    Thread_lazy_specialize_type_test_stub_offset = 272;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 80;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 328;
+    Thread_megamorphic_call_checked_entry_offset = 332;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 332;
+    Thread_switchable_call_miss_entry_offset = 336;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 232;
+    Thread_switchable_call_miss_stub_offset = 236;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 360;
+    Thread_no_scope_native_wrapper_entry_point_offset = 364;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 148;
 static constexpr dart::compiler::target::word
@@ -412,49 +418,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 220;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     212;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 224;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 112;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 368;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 828;
+    Thread_predefined_symbols_address_offset = 372;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 848;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 832;
+    Thread_saved_shadow_call_stack_offset = 852;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    840;
+    860;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 264;
+    Thread_slow_type_test_stub_offset = 268;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 352;
+    Thread_slow_type_test_entry_point_offset = 356;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 28;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 60;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 324;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 328;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 228;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 320;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 324;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 224;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 228;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     76;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 788;
+    Thread_suspend_state_await_entry_point_offset = 796;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 784;
+    Thread_suspend_state_init_async_entry_point_offset = 792;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 792;
+    Thread_suspend_state_return_async_entry_point_offset = 800;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 796;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 804;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 800;
+    Thread_suspend_state_init_async_star_entry_point_offset = 808;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 804;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 812;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 808;
+    Thread_suspend_state_return_async_star_entry_point_offset = 816;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 812;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 820;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 824;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 828;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 832;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 72;
 static constexpr dart::compiler::target::word Thread_top_offset = 48;
@@ -465,17 +479,17 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 104;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 288;
+    Thread_write_barrier_entry_point_offset = 292;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     32;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 36;
-static constexpr dart::compiler::target::word Thread_callback_code_offset = 844;
+static constexpr dart::compiler::target::word Thread_callback_code_offset = 864;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 848;
-static constexpr dart::compiler::target::word Thread_random_offset = 864;
+    Thread_callback_stack_return_offset = 868;
+static constexpr dart::compiler::target::word Thread_random_offset = 888;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 348;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 872;
+    Thread_jump_to_frame_entry_point_offset = 352;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 896;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -568,7 +582,7 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     4, 12, 8, 16};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        752, 756, 760, 764, 768, -1, 772, -1, 776, 780, -1, -1, -1, -1, -1, -1};
+        760, 764, 768, 772, 776, -1, 780, -1, 784, 788, -1, -1, -1, -1, -1, -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 12;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 8;
 static constexpr dart::compiler::target::word Array_header_size = 12;
@@ -882,21 +896,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 1008;
+    ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 1056;
+    ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 1000;
+    ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 1032;
+    ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 1016;
+    ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 1048;
+    ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 16;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 8;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset =
@@ -929,117 +949,117 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 24;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 40;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 776;
+    Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1632;
+    1672;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    1640;
+    1680;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 560;
+    Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 592;
+    Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 600;
+    Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 608;
+    Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 568;
+    Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 256;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1752;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1792;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 1720;
+    Thread_double_truncate_round_supported_offset = 1760;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 1760;
+    Thread_service_extension_stream_offset = 1800;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    648;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 472;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     656;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 480;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    664;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    480;
+    488;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    736;
+    744;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 728;
+    Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 520;
+    Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1672;
+    1712;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 528;
+    Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 544;
+    Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 664;
+    Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 760;
+    Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 752;
+    Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    744;
+    752;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 768;
+    Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1648;
+    1688;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1704;
+    1744;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     128;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 488;
+    Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 496;
+    Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 512;
+    Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 632;
+    Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 640;
+    Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 440;
+    Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -1067,49 +1087,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     400;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 712;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1656;
+    Thread_predefined_symbols_address_offset = 720;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1696;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1664;
+    Thread_saved_shadow_call_stack_offset = 1704;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1680;
+    1720;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 504;
+    Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 680;
+    Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 56;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     112;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     152;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 1576;
+    Thread_suspend_state_await_entry_point_offset = 1592;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 1568;
+    Thread_suspend_state_init_async_entry_point_offset = 1584;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 1584;
+    Thread_suspend_state_return_async_entry_point_offset = 1600;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 1592;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 1608;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 1600;
+    Thread_suspend_state_init_async_star_entry_point_offset = 1616;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 1608;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 1624;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 1616;
+    Thread_suspend_state_return_async_star_entry_point_offset = 1632;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 1624;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 1640;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 1648;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 1656;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word Thread_top_offset = 96;
@@ -1120,18 +1148,18 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 552;
+    Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     64;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1688;
+    1728;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1696;
-static constexpr dart::compiler::target::word Thread_random_offset = 1728;
+    Thread_callback_stack_return_offset = 1736;
+static constexpr dart::compiler::target::word Thread_random_offset = 1768;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 672;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1736;
+    Thread_jump_to_frame_entry_point_offset = 680;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1776;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -1226,8 +1254,8 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, -1,   -1,   1512, 1520,
-        1528, 1536, 1544, -1,   1552, 1560, -1,   -1};
+        1496, 1504, 1512, 1520, -1,   -1,   1528, 1536,
+        1544, 1552, 1560, -1,   1568, 1576, -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_header_size = 24;
@@ -1539,21 +1567,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     112;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 504;
+    ObjectStore_suspend_state_await_offset = 508;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 528;
+    ObjectStore_suspend_state_handle_exception_offset = 544;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 500;
+    ObjectStore_suspend_state_init_async_offset = 504;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 516;
+    ObjectStore_suspend_state_init_async_star_offset = 520;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 508;
+    ObjectStore_suspend_state_init_sync_star_offset = 532;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 512;
+    ObjectStore_suspend_state_return_async_offset = 512;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 524;
+    ObjectStore_suspend_state_return_async_not_future_offset = 516;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 520;
+    ObjectStore_suspend_state_return_async_star_offset = 528;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 540;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 524;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 536;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 12;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 4;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset = 8;
@@ -1585,115 +1619,115 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 12;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 20;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 400;
+    Thread_AllocateArray_entry_point_offset = 404;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    784;
+    804;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    788;
+    808;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 292;
+    Thread_array_write_barrier_entry_point_offset = 296;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 300;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 304;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 184;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 304;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 308;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 188;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 308;
+    Thread_allocate_object_entry_point_offset = 312;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 192;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 312;
+    Thread_allocate_object_parameterized_entry_point_offset = 316;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 196;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 316;
+    Thread_allocate_object_slow_entry_point_offset = 320;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 200;
-static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 824;
+static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 844;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 204;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 364;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 368;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 120;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 116;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 356;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 296;
+    Thread_call_to_runtime_entry_point_offset = 300;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 140;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 848;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 872;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 44;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 828;
+    Thread_double_truncate_round_supported_offset = 848;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 852;
+    Thread_service_extension_stream_offset = 876;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    336;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 248;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     340;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 252;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    344;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    252;
+    256;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    380;
+    384;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 376;
+    Thread_double_negate_address_offset = 380;
 static constexpr dart::compiler::target::word Thread_end_offset = 52;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 272;
+    Thread_enter_safepoint_stub_offset = 276;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    804;
+    824;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 276;
+    Thread_exit_safepoint_stub_offset = 280;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 280;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 284;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 284;
+    Thread_call_native_through_safepoint_stub_offset = 288;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 344;
+    Thread_call_native_through_safepoint_entry_point_offset = 348;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 132;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 128;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 392;
+    Thread_float_absolute_address_offset = 396;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 388;
+    Thread_float_negate_address_offset = 392;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    384;
+    388;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 396;
+    Thread_float_zerow_address_offset = 400;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    792;
+    812;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 136;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    820;
+    840;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 40;
-static constexpr dart::compiler::target::word Thread_isolate_group_offset = 856;
+static constexpr dart::compiler::target::word Thread_isolate_group_offset = 880;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     64;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 256;
+    Thread_lazy_deopt_from_return_stub_offset = 260;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 260;
+    Thread_lazy_deopt_from_throw_stub_offset = 264;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 268;
+    Thread_lazy_specialize_type_test_stub_offset = 272;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 80;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 328;
+    Thread_megamorphic_call_checked_entry_offset = 332;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 332;
+    Thread_switchable_call_miss_entry_offset = 336;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 232;
+    Thread_switchable_call_miss_stub_offset = 236;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 360;
+    Thread_no_scope_native_wrapper_entry_point_offset = 364;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 148;
 static constexpr dart::compiler::target::word
@@ -1721,49 +1755,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 220;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     212;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 224;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 112;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 368;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 796;
+    Thread_predefined_symbols_address_offset = 372;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 816;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 800;
+    Thread_saved_shadow_call_stack_offset = 820;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    808;
+    828;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 264;
+    Thread_slow_type_test_stub_offset = 268;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 352;
+    Thread_slow_type_test_entry_point_offset = 356;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 28;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 60;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 324;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 328;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 228;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 320;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 324;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 224;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 228;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     76;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 756;
+    Thread_suspend_state_await_entry_point_offset = 764;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 752;
+    Thread_suspend_state_init_async_entry_point_offset = 760;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 760;
+    Thread_suspend_state_return_async_entry_point_offset = 768;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 764;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 772;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 768;
+    Thread_suspend_state_init_async_star_entry_point_offset = 776;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 772;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 780;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 776;
+    Thread_suspend_state_return_async_star_entry_point_offset = 784;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 780;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 788;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 792;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 796;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 800;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 72;
 static constexpr dart::compiler::target::word Thread_top_offset = 48;
@@ -1774,17 +1816,17 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 104;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 288;
+    Thread_write_barrier_entry_point_offset = 292;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     32;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 36;
-static constexpr dart::compiler::target::word Thread_callback_code_offset = 812;
+static constexpr dart::compiler::target::word Thread_callback_code_offset = 832;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 816;
-static constexpr dart::compiler::target::word Thread_random_offset = 832;
+    Thread_callback_stack_return_offset = 836;
+static constexpr dart::compiler::target::word Thread_random_offset = 856;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 348;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 840;
+    Thread_jump_to_frame_entry_point_offset = 352;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 864;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -2188,21 +2230,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 1008;
+    ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 1056;
+    ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 1000;
+    ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 1032;
+    ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 1016;
+    ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 1048;
+    ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 16;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 8;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset =
@@ -2235,117 +2283,117 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 24;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 40;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 776;
+    Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1696;
+    1736;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    1704;
+    1744;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 560;
+    Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 592;
+    Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 600;
+    Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 608;
+    Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1776;
+    1816;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 568;
+    Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 256;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1816;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1856;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 1784;
+    Thread_double_truncate_round_supported_offset = 1824;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 1824;
+    Thread_service_extension_stream_offset = 1864;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    648;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 472;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     656;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 480;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    664;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    480;
+    488;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    736;
+    744;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 728;
+    Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 520;
+    Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1736;
+    1776;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 528;
+    Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 544;
+    Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 664;
+    Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 760;
+    Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 752;
+    Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    744;
+    752;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 768;
+    Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1832;
+    1872;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     128;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 488;
+    Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 496;
+    Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 512;
+    Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 632;
+    Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 640;
+    Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 440;
+    Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -2373,49 +2421,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     400;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 712;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1720;
+    Thread_predefined_symbols_address_offset = 720;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1760;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1728;
+    Thread_saved_shadow_call_stack_offset = 1768;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1744;
+    1784;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 504;
+    Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 680;
+    Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 56;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     112;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     152;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 1640;
+    Thread_suspend_state_await_entry_point_offset = 1656;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 1632;
+    Thread_suspend_state_init_async_entry_point_offset = 1648;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 1648;
+    Thread_suspend_state_return_async_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 1656;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 1672;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 1664;
+    Thread_suspend_state_init_async_star_entry_point_offset = 1680;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 1672;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 1688;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 1680;
+    Thread_suspend_state_return_async_star_entry_point_offset = 1696;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 1688;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 1704;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 1712;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 1720;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 1728;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word Thread_top_offset = 96;
@@ -2426,18 +2482,18 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 552;
+    Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     64;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1752;
+    1792;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1760;
-static constexpr dart::compiler::target::word Thread_random_offset = 1792;
+    Thread_callback_stack_return_offset = 1800;
+static constexpr dart::compiler::target::word Thread_random_offset = 1832;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 672;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1800;
+    Thread_jump_to_frame_entry_point_offset = 680;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1840;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -2532,9 +2588,9 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560,
-        1568, 1576, 1584, 1592, -1,   -1,   -1,   -1,   1600, 1608, -1,
-        -1,   1616, 1624, 1632, -1,   -1,   -1,   -1,   -1,   -1};
+        1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560, 1568, 1576,
+        1584, 1592, 1600, 1608, -1,   -1,   -1,   -1,   1616, 1624, -1,
+        -1,   1632, 1640, 1648, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_header_size = 24;
@@ -2846,21 +2902,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 1008;
+    ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 1056;
+    ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 1000;
+    ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 1032;
+    ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 1016;
+    ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 1048;
+    ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 16;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 8;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset =
@@ -2893,117 +2955,117 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 24;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 36;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 776;
+    Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1632;
+    1672;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    1640;
+    1680;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 560;
+    Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 592;
+    Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 600;
+    Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 608;
+    Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 568;
+    Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 256;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1752;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1792;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 1720;
+    Thread_double_truncate_round_supported_offset = 1760;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 1760;
+    Thread_service_extension_stream_offset = 1800;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    648;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 472;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     656;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 480;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    664;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    480;
+    488;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    736;
+    744;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 728;
+    Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 520;
+    Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1672;
+    1712;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 528;
+    Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 544;
+    Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 664;
+    Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 760;
+    Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 752;
+    Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    744;
+    752;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 768;
+    Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1648;
+    1688;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1704;
+    1744;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     128;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 488;
+    Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 496;
+    Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 512;
+    Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 632;
+    Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 640;
+    Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 440;
+    Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -3031,49 +3093,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     400;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 712;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1656;
+    Thread_predefined_symbols_address_offset = 720;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1696;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1664;
+    Thread_saved_shadow_call_stack_offset = 1704;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1680;
+    1720;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 504;
+    Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 680;
+    Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 56;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     112;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     152;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 1576;
+    Thread_suspend_state_await_entry_point_offset = 1592;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 1568;
+    Thread_suspend_state_init_async_entry_point_offset = 1584;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 1584;
+    Thread_suspend_state_return_async_entry_point_offset = 1600;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 1592;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 1608;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 1600;
+    Thread_suspend_state_init_async_star_entry_point_offset = 1616;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 1608;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 1624;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 1616;
+    Thread_suspend_state_return_async_star_entry_point_offset = 1632;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 1624;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 1640;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 1648;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 1656;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word Thread_top_offset = 96;
@@ -3084,18 +3154,18 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 552;
+    Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     64;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1688;
+    1728;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1696;
-static constexpr dart::compiler::target::word Thread_random_offset = 1728;
+    Thread_callback_stack_return_offset = 1736;
+static constexpr dart::compiler::target::word Thread_random_offset = 1768;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 672;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1736;
+    Thread_jump_to_frame_entry_point_offset = 680;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1776;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -3190,8 +3260,8 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, -1,   -1,   1512, 1520,
-        1528, 1536, 1544, -1,   1552, 1560, -1,   -1};
+        1496, 1504, 1512, 1520, -1,   -1,   1528, 1536,
+        1544, 1552, 1560, -1,   1568, 1576, -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_header_size = 16;
@@ -3503,21 +3573,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 1008;
+    ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 1056;
+    ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 1000;
+    ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 1032;
+    ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 1016;
+    ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 1048;
+    ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 16;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 8;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset =
@@ -3550,117 +3626,117 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 24;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 36;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 776;
+    Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1696;
+    1736;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    1704;
+    1744;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 560;
+    Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 592;
+    Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 600;
+    Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 608;
+    Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1776;
+    1816;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 568;
+    Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 256;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1816;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1856;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 1784;
+    Thread_double_truncate_round_supported_offset = 1824;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 1824;
+    Thread_service_extension_stream_offset = 1864;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    648;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 472;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     656;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 480;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    664;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    480;
+    488;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    736;
+    744;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 728;
+    Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 520;
+    Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1736;
+    1776;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 528;
+    Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 544;
+    Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 664;
+    Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 760;
+    Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 752;
+    Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    744;
+    752;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 768;
+    Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1832;
+    1872;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     128;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 488;
+    Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 496;
+    Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 512;
+    Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 632;
+    Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 640;
+    Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 440;
+    Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -3688,49 +3764,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     400;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 712;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1720;
+    Thread_predefined_symbols_address_offset = 720;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1760;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1728;
+    Thread_saved_shadow_call_stack_offset = 1768;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1744;
+    1784;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 504;
+    Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 680;
+    Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 56;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     112;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     152;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 1640;
+    Thread_suspend_state_await_entry_point_offset = 1656;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 1632;
+    Thread_suspend_state_init_async_entry_point_offset = 1648;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 1648;
+    Thread_suspend_state_return_async_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 1656;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 1672;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 1664;
+    Thread_suspend_state_init_async_star_entry_point_offset = 1680;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 1672;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 1688;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 1680;
+    Thread_suspend_state_return_async_star_entry_point_offset = 1696;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 1688;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 1704;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 1712;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 1720;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 1728;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word Thread_top_offset = 96;
@@ -3741,18 +3825,18 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 552;
+    Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     64;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1752;
+    1792;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1760;
-static constexpr dart::compiler::target::word Thread_random_offset = 1792;
+    Thread_callback_stack_return_offset = 1800;
+static constexpr dart::compiler::target::word Thread_random_offset = 1832;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 672;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1800;
+    Thread_jump_to_frame_entry_point_offset = 680;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1840;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -3847,9 +3931,9 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560,
-        1568, 1576, 1584, 1592, -1,   -1,   -1,   -1,   1600, 1608, -1,
-        -1,   1616, 1624, 1632, -1,   -1,   -1,   -1,   -1,   -1};
+        1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560, 1568, 1576,
+        1584, 1592, 1600, 1608, -1,   -1,   -1,   -1,   1616, 1624, -1,
+        -1,   1632, 1640, 1648, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_header_size = 16;
@@ -4161,21 +4245,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     112;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 504;
+    ObjectStore_suspend_state_await_offset = 508;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 528;
+    ObjectStore_suspend_state_handle_exception_offset = 544;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 500;
+    ObjectStore_suspend_state_init_async_offset = 504;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 516;
+    ObjectStore_suspend_state_init_async_star_offset = 520;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 508;
+    ObjectStore_suspend_state_init_sync_star_offset = 532;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 512;
+    ObjectStore_suspend_state_return_async_offset = 512;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 524;
+    ObjectStore_suspend_state_return_async_not_future_offset = 516;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 520;
+    ObjectStore_suspend_state_return_async_star_offset = 528;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 540;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 524;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 536;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 12;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 4;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset = 8;
@@ -4207,115 +4297,115 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 12;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 20;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 400;
+    Thread_AllocateArray_entry_point_offset = 404;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    856;
+    876;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    860;
+    880;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 292;
+    Thread_array_write_barrier_entry_point_offset = 296;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 300;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 304;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 184;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 304;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 308;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 188;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 308;
+    Thread_allocate_object_entry_point_offset = 312;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 192;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 312;
+    Thread_allocate_object_parameterized_entry_point_offset = 316;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 196;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 316;
+    Thread_allocate_object_slow_entry_point_offset = 320;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 200;
-static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 896;
+static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 916;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 204;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 364;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 368;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 120;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 116;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 356;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 296;
+    Thread_call_to_runtime_entry_point_offset = 300;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 140;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 920;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 944;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 44;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 900;
+    Thread_double_truncate_round_supported_offset = 920;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 924;
+    Thread_service_extension_stream_offset = 948;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    336;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 248;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     340;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 252;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    344;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    252;
+    256;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    380;
+    384;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 376;
+    Thread_double_negate_address_offset = 380;
 static constexpr dart::compiler::target::word Thread_end_offset = 52;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 272;
+    Thread_enter_safepoint_stub_offset = 276;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    876;
+    896;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 276;
+    Thread_exit_safepoint_stub_offset = 280;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 280;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 284;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 284;
+    Thread_call_native_through_safepoint_stub_offset = 288;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 344;
+    Thread_call_native_through_safepoint_entry_point_offset = 348;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 132;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 128;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 392;
+    Thread_float_absolute_address_offset = 396;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 388;
+    Thread_float_negate_address_offset = 392;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    384;
+    388;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 396;
+    Thread_float_zerow_address_offset = 400;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    864;
+    884;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 136;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    892;
+    912;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 40;
-static constexpr dart::compiler::target::word Thread_isolate_group_offset = 928;
+static constexpr dart::compiler::target::word Thread_isolate_group_offset = 952;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     64;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 256;
+    Thread_lazy_deopt_from_return_stub_offset = 260;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 260;
+    Thread_lazy_deopt_from_throw_stub_offset = 264;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 268;
+    Thread_lazy_specialize_type_test_stub_offset = 272;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 80;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 328;
+    Thread_megamorphic_call_checked_entry_offset = 332;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 332;
+    Thread_switchable_call_miss_entry_offset = 336;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 232;
+    Thread_switchable_call_miss_stub_offset = 236;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 360;
+    Thread_no_scope_native_wrapper_entry_point_offset = 364;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 148;
 static constexpr dart::compiler::target::word
@@ -4343,49 +4433,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 220;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     212;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 224;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 112;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 368;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 868;
+    Thread_predefined_symbols_address_offset = 372;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 888;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 872;
+    Thread_saved_shadow_call_stack_offset = 892;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    880;
+    900;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 264;
+    Thread_slow_type_test_stub_offset = 268;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 352;
+    Thread_slow_type_test_entry_point_offset = 356;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 28;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 60;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 324;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 328;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 228;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 320;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 324;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 224;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 228;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     76;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 828;
+    Thread_suspend_state_await_entry_point_offset = 836;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 824;
+    Thread_suspend_state_init_async_entry_point_offset = 832;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 832;
+    Thread_suspend_state_return_async_entry_point_offset = 840;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 836;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 844;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 840;
+    Thread_suspend_state_init_async_star_entry_point_offset = 848;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 844;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 852;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 848;
+    Thread_suspend_state_return_async_star_entry_point_offset = 856;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 852;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 860;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 864;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 868;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 872;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 72;
 static constexpr dart::compiler::target::word Thread_top_offset = 48;
@@ -4396,17 +4494,17 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 104;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 288;
+    Thread_write_barrier_entry_point_offset = 292;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     32;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 36;
-static constexpr dart::compiler::target::word Thread_callback_code_offset = 884;
+static constexpr dart::compiler::target::word Thread_callback_code_offset = 904;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 888;
-static constexpr dart::compiler::target::word Thread_random_offset = 904;
+    Thread_callback_stack_return_offset = 908;
+static constexpr dart::compiler::target::word Thread_random_offset = 928;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 348;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 912;
+    Thread_jump_to_frame_entry_point_offset = 352;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 936;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -4499,9 +4597,9 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     4, 12, 8, 16};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        -1,  -1,  -1, -1, -1, 752, 756, 760, -1,  -1,  764,
-        768, 772, -1, -1, -1, 776, 780, 784, 788, 792, 796,
-        800, 804, -1, -1, -1, -1,  808, 812, 816, 820};
+        -1,  -1,  -1, -1, -1, 760, 764, 768, -1,  -1,  772,
+        776, 780, -1, -1, -1, 784, 788, 792, 796, 800, 804,
+        808, 812, -1, -1, -1, -1,  816, 820, 824, 828};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 12;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 8;
 static constexpr dart::compiler::target::word Array_header_size = 12;
@@ -4815,21 +4913,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 1008;
+    ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 1056;
+    ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 1000;
+    ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 1032;
+    ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 1016;
+    ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 1048;
+    ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 16;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 8;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset =
@@ -4862,117 +4966,117 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 24;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 40;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 776;
+    Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1688;
+    1728;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    1696;
+    1736;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 560;
+    Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 592;
+    Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 600;
+    Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 608;
+    Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 568;
+    Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 256;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1808;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1848;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 1776;
+    Thread_double_truncate_round_supported_offset = 1816;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 1816;
+    Thread_service_extension_stream_offset = 1856;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    648;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 472;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     656;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 480;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    664;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    480;
+    488;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    736;
+    744;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 728;
+    Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 520;
+    Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1728;
+    1768;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 528;
+    Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 544;
+    Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 664;
+    Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 760;
+    Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 752;
+    Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    744;
+    752;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 768;
+    Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1704;
+    1744;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1760;
+    1800;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1824;
+    1864;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     128;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 488;
+    Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 496;
+    Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 512;
+    Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 632;
+    Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 640;
+    Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 440;
+    Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -5000,49 +5104,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     400;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 712;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1712;
+    Thread_predefined_symbols_address_offset = 720;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1752;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1720;
+    Thread_saved_shadow_call_stack_offset = 1760;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1736;
+    1776;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 504;
+    Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 680;
+    Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 56;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     112;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     152;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 1632;
+    Thread_suspend_state_await_entry_point_offset = 1648;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 1624;
+    Thread_suspend_state_init_async_entry_point_offset = 1640;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 1640;
+    Thread_suspend_state_return_async_entry_point_offset = 1656;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 1648;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 1656;
+    Thread_suspend_state_init_async_star_entry_point_offset = 1672;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 1664;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 1680;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 1672;
+    Thread_suspend_state_return_async_star_entry_point_offset = 1688;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 1680;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 1696;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 1704;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 1712;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 1720;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word Thread_top_offset = 96;
@@ -5053,18 +5165,18 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 552;
+    Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     64;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1744;
+    1784;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1752;
-static constexpr dart::compiler::target::word Thread_random_offset = 1784;
+    Thread_callback_stack_return_offset = 1792;
+static constexpr dart::compiler::target::word Thread_random_offset = 1824;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 672;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1792;
+    Thread_jump_to_frame_entry_point_offset = 680;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1832;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -5159,9 +5271,9 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        -1,   -1,   -1, -1, -1, 1480, 1488, 1496, -1,   -1,   1504,
-        1512, 1520, -1, -1, -1, 1528, 1536, 1544, 1552, 1560, 1568,
-        1576, 1584, -1, -1, -1, -1,   1592, 1600, 1608, 1616};
+        -1,   -1,   -1, -1, -1, 1496, 1504, 1512, -1,   -1,   1520,
+        1528, 1536, -1, -1, -1, 1544, 1552, 1560, 1568, 1576, 1584,
+        1592, 1600, -1, -1, -1, -1,   1608, 1616, 1624, 1632};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_header_size = 24;
@@ -5467,21 +5579,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     112;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 504;
+    ObjectStore_suspend_state_await_offset = 508;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 528;
+    ObjectStore_suspend_state_handle_exception_offset = 544;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 500;
+    ObjectStore_suspend_state_init_async_offset = 504;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 516;
+    ObjectStore_suspend_state_init_async_star_offset = 520;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 508;
+    ObjectStore_suspend_state_init_sync_star_offset = 532;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 512;
+    ObjectStore_suspend_state_return_async_offset = 512;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 524;
+    ObjectStore_suspend_state_return_async_not_future_offset = 516;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 520;
+    ObjectStore_suspend_state_return_async_star_offset = 528;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 540;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 524;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 536;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 12;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 4;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset = 8;
@@ -5513,115 +5631,115 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 12;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 20;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 400;
+    Thread_AllocateArray_entry_point_offset = 404;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    816;
+    836;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    820;
+    840;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 292;
+    Thread_array_write_barrier_entry_point_offset = 296;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 300;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 304;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 184;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 304;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 308;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 188;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 308;
+    Thread_allocate_object_entry_point_offset = 312;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 192;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 312;
+    Thread_allocate_object_parameterized_entry_point_offset = 316;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 196;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 316;
+    Thread_allocate_object_slow_entry_point_offset = 320;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 200;
-static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 856;
+static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 876;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 204;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 364;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 368;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 120;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 116;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 356;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 296;
+    Thread_call_to_runtime_entry_point_offset = 300;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 140;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 880;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 904;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 44;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 860;
+    Thread_double_truncate_round_supported_offset = 880;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 884;
+    Thread_service_extension_stream_offset = 908;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    336;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 248;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     340;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 252;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    344;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    252;
+    256;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    380;
+    384;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 376;
+    Thread_double_negate_address_offset = 380;
 static constexpr dart::compiler::target::word Thread_end_offset = 52;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 272;
+    Thread_enter_safepoint_stub_offset = 276;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    836;
+    856;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 276;
+    Thread_exit_safepoint_stub_offset = 280;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 280;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 284;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 284;
+    Thread_call_native_through_safepoint_stub_offset = 288;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 344;
+    Thread_call_native_through_safepoint_entry_point_offset = 348;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 132;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 128;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 392;
+    Thread_float_absolute_address_offset = 396;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 388;
+    Thread_float_negate_address_offset = 392;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    384;
+    388;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 396;
+    Thread_float_zerow_address_offset = 400;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    824;
+    844;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 136;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    852;
+    872;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 40;
-static constexpr dart::compiler::target::word Thread_isolate_group_offset = 888;
+static constexpr dart::compiler::target::word Thread_isolate_group_offset = 912;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     64;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 256;
+    Thread_lazy_deopt_from_return_stub_offset = 260;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 260;
+    Thread_lazy_deopt_from_throw_stub_offset = 264;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 268;
+    Thread_lazy_specialize_type_test_stub_offset = 272;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 80;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 328;
+    Thread_megamorphic_call_checked_entry_offset = 332;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 332;
+    Thread_switchable_call_miss_entry_offset = 336;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 232;
+    Thread_switchable_call_miss_stub_offset = 236;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 360;
+    Thread_no_scope_native_wrapper_entry_point_offset = 364;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 148;
 static constexpr dart::compiler::target::word
@@ -5649,49 +5767,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 220;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     212;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 224;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 112;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 368;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 828;
+    Thread_predefined_symbols_address_offset = 372;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 848;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 832;
+    Thread_saved_shadow_call_stack_offset = 852;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    840;
+    860;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 264;
+    Thread_slow_type_test_stub_offset = 268;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 352;
+    Thread_slow_type_test_entry_point_offset = 356;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 28;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 60;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 324;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 328;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 228;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 320;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 324;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 224;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 228;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     76;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 788;
+    Thread_suspend_state_await_entry_point_offset = 796;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 784;
+    Thread_suspend_state_init_async_entry_point_offset = 792;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 792;
+    Thread_suspend_state_return_async_entry_point_offset = 800;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 796;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 804;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 800;
+    Thread_suspend_state_init_async_star_entry_point_offset = 808;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 804;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 812;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 808;
+    Thread_suspend_state_return_async_star_entry_point_offset = 816;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 812;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 820;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 824;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 828;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 832;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 72;
 static constexpr dart::compiler::target::word Thread_top_offset = 48;
@@ -5702,17 +5828,17 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 104;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 288;
+    Thread_write_barrier_entry_point_offset = 292;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     32;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 36;
-static constexpr dart::compiler::target::word Thread_callback_code_offset = 844;
+static constexpr dart::compiler::target::word Thread_callback_code_offset = 864;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 848;
-static constexpr dart::compiler::target::word Thread_random_offset = 864;
+    Thread_callback_stack_return_offset = 868;
+static constexpr dart::compiler::target::word Thread_random_offset = 888;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 348;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 872;
+    Thread_jump_to_frame_entry_point_offset = 352;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 896;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -5805,7 +5931,7 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     4, 12, 8, 16};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        752, 756, 760, 764, 768, -1, 772, -1, 776, 780, -1, -1, -1, -1, -1, -1};
+        760, 764, 768, 772, 776, -1, 780, -1, 784, 788, -1, -1, -1, -1, -1, -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 12;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 8;
 static constexpr dart::compiler::target::word Array_header_size = 12;
@@ -6111,21 +6237,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 1008;
+    ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 1056;
+    ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 1000;
+    ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 1032;
+    ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 1016;
+    ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 1048;
+    ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 16;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 8;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset =
@@ -6158,117 +6290,117 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 24;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 40;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 776;
+    Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1632;
+    1672;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    1640;
+    1680;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 560;
+    Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 592;
+    Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 600;
+    Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 608;
+    Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 568;
+    Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 256;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1752;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1792;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 1720;
+    Thread_double_truncate_round_supported_offset = 1760;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 1760;
+    Thread_service_extension_stream_offset = 1800;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    648;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 472;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     656;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 480;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    664;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    480;
+    488;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    736;
+    744;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 728;
+    Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 520;
+    Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1672;
+    1712;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 528;
+    Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 544;
+    Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 664;
+    Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 760;
+    Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 752;
+    Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    744;
+    752;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 768;
+    Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1648;
+    1688;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1704;
+    1744;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     128;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 488;
+    Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 496;
+    Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 512;
+    Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 632;
+    Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 640;
+    Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 440;
+    Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -6296,49 +6428,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     400;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 712;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1656;
+    Thread_predefined_symbols_address_offset = 720;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1696;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1664;
+    Thread_saved_shadow_call_stack_offset = 1704;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1680;
+    1720;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 504;
+    Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 680;
+    Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 56;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     112;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     152;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 1576;
+    Thread_suspend_state_await_entry_point_offset = 1592;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 1568;
+    Thread_suspend_state_init_async_entry_point_offset = 1584;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 1584;
+    Thread_suspend_state_return_async_entry_point_offset = 1600;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 1592;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 1608;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 1600;
+    Thread_suspend_state_init_async_star_entry_point_offset = 1616;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 1608;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 1624;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 1616;
+    Thread_suspend_state_return_async_star_entry_point_offset = 1632;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 1624;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 1640;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 1648;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 1656;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word Thread_top_offset = 96;
@@ -6349,18 +6489,18 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 552;
+    Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     64;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1688;
+    1728;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1696;
-static constexpr dart::compiler::target::word Thread_random_offset = 1728;
+    Thread_callback_stack_return_offset = 1736;
+static constexpr dart::compiler::target::word Thread_random_offset = 1768;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 672;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1736;
+    Thread_jump_to_frame_entry_point_offset = 680;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1776;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -6455,8 +6595,8 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, -1,   -1,   1512, 1520,
-        1528, 1536, 1544, -1,   1552, 1560, -1,   -1};
+        1496, 1504, 1512, 1520, -1,   -1,   1528, 1536,
+        1544, 1552, 1560, -1,   1568, 1576, -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_header_size = 24;
@@ -6760,21 +6900,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     112;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 504;
+    ObjectStore_suspend_state_await_offset = 508;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 528;
+    ObjectStore_suspend_state_handle_exception_offset = 544;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 500;
+    ObjectStore_suspend_state_init_async_offset = 504;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 516;
+    ObjectStore_suspend_state_init_async_star_offset = 520;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 508;
+    ObjectStore_suspend_state_init_sync_star_offset = 532;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 512;
+    ObjectStore_suspend_state_return_async_offset = 512;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 524;
+    ObjectStore_suspend_state_return_async_not_future_offset = 516;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 520;
+    ObjectStore_suspend_state_return_async_star_offset = 528;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 540;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 524;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 536;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 12;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 4;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset = 8;
@@ -6806,115 +6952,115 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 12;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 20;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 400;
+    Thread_AllocateArray_entry_point_offset = 404;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    784;
+    804;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    788;
+    808;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 292;
+    Thread_array_write_barrier_entry_point_offset = 296;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 300;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 304;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 184;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 304;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 308;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 188;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 308;
+    Thread_allocate_object_entry_point_offset = 312;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 192;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 312;
+    Thread_allocate_object_parameterized_entry_point_offset = 316;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 196;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 316;
+    Thread_allocate_object_slow_entry_point_offset = 320;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 200;
-static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 824;
+static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 844;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 204;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 364;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 368;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 120;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 116;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 356;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 296;
+    Thread_call_to_runtime_entry_point_offset = 300;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 140;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 848;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 872;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 44;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 828;
+    Thread_double_truncate_round_supported_offset = 848;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 852;
+    Thread_service_extension_stream_offset = 876;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    336;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 248;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     340;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 252;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    344;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    252;
+    256;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    380;
+    384;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 376;
+    Thread_double_negate_address_offset = 380;
 static constexpr dart::compiler::target::word Thread_end_offset = 52;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 272;
+    Thread_enter_safepoint_stub_offset = 276;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    804;
+    824;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 276;
+    Thread_exit_safepoint_stub_offset = 280;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 280;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 284;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 284;
+    Thread_call_native_through_safepoint_stub_offset = 288;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 344;
+    Thread_call_native_through_safepoint_entry_point_offset = 348;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 132;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 128;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 392;
+    Thread_float_absolute_address_offset = 396;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 388;
+    Thread_float_negate_address_offset = 392;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    384;
+    388;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 396;
+    Thread_float_zerow_address_offset = 400;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    792;
+    812;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 136;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    820;
+    840;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 40;
-static constexpr dart::compiler::target::word Thread_isolate_group_offset = 856;
+static constexpr dart::compiler::target::word Thread_isolate_group_offset = 880;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     64;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 256;
+    Thread_lazy_deopt_from_return_stub_offset = 260;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 260;
+    Thread_lazy_deopt_from_throw_stub_offset = 264;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 268;
+    Thread_lazy_specialize_type_test_stub_offset = 272;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 80;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 328;
+    Thread_megamorphic_call_checked_entry_offset = 332;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 332;
+    Thread_switchable_call_miss_entry_offset = 336;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 232;
+    Thread_switchable_call_miss_stub_offset = 236;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 360;
+    Thread_no_scope_native_wrapper_entry_point_offset = 364;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 148;
 static constexpr dart::compiler::target::word
@@ -6942,49 +7088,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 220;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     212;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 224;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 112;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 368;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 796;
+    Thread_predefined_symbols_address_offset = 372;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 816;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 800;
+    Thread_saved_shadow_call_stack_offset = 820;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    808;
+    828;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 264;
+    Thread_slow_type_test_stub_offset = 268;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 352;
+    Thread_slow_type_test_entry_point_offset = 356;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 28;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 60;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 324;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 328;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 228;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 320;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 324;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 224;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 228;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     76;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 756;
+    Thread_suspend_state_await_entry_point_offset = 764;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 752;
+    Thread_suspend_state_init_async_entry_point_offset = 760;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 760;
+    Thread_suspend_state_return_async_entry_point_offset = 768;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 764;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 772;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 768;
+    Thread_suspend_state_init_async_star_entry_point_offset = 776;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 772;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 780;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 776;
+    Thread_suspend_state_return_async_star_entry_point_offset = 784;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 780;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 788;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 792;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 796;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 800;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 72;
 static constexpr dart::compiler::target::word Thread_top_offset = 48;
@@ -6995,17 +7149,17 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 104;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 288;
+    Thread_write_barrier_entry_point_offset = 292;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     32;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 36;
-static constexpr dart::compiler::target::word Thread_callback_code_offset = 812;
+static constexpr dart::compiler::target::word Thread_callback_code_offset = 832;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 816;
-static constexpr dart::compiler::target::word Thread_random_offset = 832;
+    Thread_callback_stack_return_offset = 836;
+static constexpr dart::compiler::target::word Thread_random_offset = 856;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 348;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 840;
+    Thread_jump_to_frame_entry_point_offset = 352;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 864;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -7401,21 +7555,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 1008;
+    ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 1056;
+    ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 1000;
+    ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 1032;
+    ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 1016;
+    ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 1048;
+    ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 16;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 8;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset =
@@ -7448,117 +7608,117 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 24;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 40;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 776;
+    Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1696;
+    1736;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    1704;
+    1744;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 560;
+    Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 592;
+    Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 600;
+    Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 608;
+    Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1776;
+    1816;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 568;
+    Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 256;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1816;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1856;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 1784;
+    Thread_double_truncate_round_supported_offset = 1824;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 1824;
+    Thread_service_extension_stream_offset = 1864;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    648;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 472;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     656;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 480;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    664;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    480;
+    488;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    736;
+    744;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 728;
+    Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 520;
+    Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1736;
+    1776;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 528;
+    Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 544;
+    Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 664;
+    Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 760;
+    Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 752;
+    Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    744;
+    752;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 768;
+    Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1832;
+    1872;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     128;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 488;
+    Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 496;
+    Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 512;
+    Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 632;
+    Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 640;
+    Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 440;
+    Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -7586,49 +7746,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     400;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 712;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1720;
+    Thread_predefined_symbols_address_offset = 720;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1760;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1728;
+    Thread_saved_shadow_call_stack_offset = 1768;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1744;
+    1784;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 504;
+    Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 680;
+    Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 56;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     112;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     152;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 1640;
+    Thread_suspend_state_await_entry_point_offset = 1656;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 1632;
+    Thread_suspend_state_init_async_entry_point_offset = 1648;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 1648;
+    Thread_suspend_state_return_async_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 1656;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 1672;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 1664;
+    Thread_suspend_state_init_async_star_entry_point_offset = 1680;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 1672;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 1688;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 1680;
+    Thread_suspend_state_return_async_star_entry_point_offset = 1696;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 1688;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 1704;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 1712;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 1720;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 1728;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word Thread_top_offset = 96;
@@ -7639,18 +7807,18 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 552;
+    Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     64;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1752;
+    1792;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1760;
-static constexpr dart::compiler::target::word Thread_random_offset = 1792;
+    Thread_callback_stack_return_offset = 1800;
+static constexpr dart::compiler::target::word Thread_random_offset = 1832;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 672;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1800;
+    Thread_jump_to_frame_entry_point_offset = 680;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1840;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -7745,9 +7913,9 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560,
-        1568, 1576, 1584, 1592, -1,   -1,   -1,   -1,   1600, 1608, -1,
-        -1,   1616, 1624, 1632, -1,   -1,   -1,   -1,   -1,   -1};
+        1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560, 1568, 1576,
+        1584, 1592, 1600, 1608, -1,   -1,   -1,   -1,   1616, 1624, -1,
+        -1,   1632, 1640, 1648, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_header_size = 24;
@@ -8051,21 +8219,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 1008;
+    ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 1056;
+    ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 1000;
+    ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 1032;
+    ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 1016;
+    ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 1048;
+    ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 16;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 8;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset =
@@ -8098,117 +8272,117 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 24;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 36;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 776;
+    Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1632;
+    1672;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    1640;
+    1680;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 560;
+    Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 592;
+    Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 600;
+    Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 608;
+    Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 568;
+    Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 256;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1752;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1792;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 1720;
+    Thread_double_truncate_round_supported_offset = 1760;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 1760;
+    Thread_service_extension_stream_offset = 1800;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    648;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 472;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     656;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 480;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    664;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    480;
+    488;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    736;
+    744;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 728;
+    Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 520;
+    Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1672;
+    1712;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 528;
+    Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 544;
+    Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 664;
+    Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 760;
+    Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 752;
+    Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    744;
+    752;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 768;
+    Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1648;
+    1688;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1704;
+    1744;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     128;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 488;
+    Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 496;
+    Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 512;
+    Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 632;
+    Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 640;
+    Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 440;
+    Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -8236,49 +8410,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     400;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 712;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1656;
+    Thread_predefined_symbols_address_offset = 720;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1696;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1664;
+    Thread_saved_shadow_call_stack_offset = 1704;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1680;
+    1720;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 504;
+    Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 680;
+    Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 56;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     112;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     152;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 1576;
+    Thread_suspend_state_await_entry_point_offset = 1592;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 1568;
+    Thread_suspend_state_init_async_entry_point_offset = 1584;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 1584;
+    Thread_suspend_state_return_async_entry_point_offset = 1600;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 1592;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 1608;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 1600;
+    Thread_suspend_state_init_async_star_entry_point_offset = 1616;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 1608;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 1624;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 1616;
+    Thread_suspend_state_return_async_star_entry_point_offset = 1632;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 1624;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 1640;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 1648;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 1656;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word Thread_top_offset = 96;
@@ -8289,18 +8471,18 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 552;
+    Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     64;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1688;
+    1728;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1696;
-static constexpr dart::compiler::target::word Thread_random_offset = 1728;
+    Thread_callback_stack_return_offset = 1736;
+static constexpr dart::compiler::target::word Thread_random_offset = 1768;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 672;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1736;
+    Thread_jump_to_frame_entry_point_offset = 680;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1776;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -8395,8 +8577,8 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, -1,   -1,   1512, 1520,
-        1528, 1536, 1544, -1,   1552, 1560, -1,   -1};
+        1496, 1504, 1512, 1520, -1,   -1,   1528, 1536,
+        1544, 1552, 1560, -1,   1568, 1576, -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_header_size = 16;
@@ -8700,21 +8882,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 1008;
+    ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 1056;
+    ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 1000;
+    ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 1032;
+    ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 1016;
+    ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 1048;
+    ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 16;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 8;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset =
@@ -8747,117 +8935,117 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 24;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 36;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 776;
+    Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1696;
+    1736;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    1704;
+    1744;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 560;
+    Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 592;
+    Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 600;
+    Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 608;
+    Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1776;
+    1816;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 568;
+    Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 256;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1816;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1856;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 1784;
+    Thread_double_truncate_round_supported_offset = 1824;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 1824;
+    Thread_service_extension_stream_offset = 1864;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    648;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 472;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     656;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 480;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    664;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    480;
+    488;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    736;
+    744;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 728;
+    Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 520;
+    Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1736;
+    1776;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 528;
+    Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 544;
+    Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 664;
+    Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 760;
+    Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 752;
+    Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    744;
+    752;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 768;
+    Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1832;
+    1872;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     128;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 488;
+    Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 496;
+    Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 512;
+    Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 632;
+    Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 640;
+    Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 440;
+    Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -8885,49 +9073,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     400;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 712;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1720;
+    Thread_predefined_symbols_address_offset = 720;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1760;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1728;
+    Thread_saved_shadow_call_stack_offset = 1768;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1744;
+    1784;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 504;
+    Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 680;
+    Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 56;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     112;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     152;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 1640;
+    Thread_suspend_state_await_entry_point_offset = 1656;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 1632;
+    Thread_suspend_state_init_async_entry_point_offset = 1648;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 1648;
+    Thread_suspend_state_return_async_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 1656;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 1672;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 1664;
+    Thread_suspend_state_init_async_star_entry_point_offset = 1680;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 1672;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 1688;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 1680;
+    Thread_suspend_state_return_async_star_entry_point_offset = 1696;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 1688;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 1704;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 1712;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 1720;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 1728;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word Thread_top_offset = 96;
@@ -8938,18 +9134,18 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 552;
+    Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     64;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1752;
+    1792;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1760;
-static constexpr dart::compiler::target::word Thread_random_offset = 1792;
+    Thread_callback_stack_return_offset = 1800;
+static constexpr dart::compiler::target::word Thread_random_offset = 1832;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 672;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1800;
+    Thread_jump_to_frame_entry_point_offset = 680;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1840;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -9044,9 +9240,9 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560,
-        1568, 1576, 1584, 1592, -1,   -1,   -1,   -1,   1600, 1608, -1,
-        -1,   1616, 1624, 1632, -1,   -1,   -1,   -1,   -1,   -1};
+        1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560, 1568, 1576,
+        1584, 1592, 1600, 1608, -1,   -1,   -1,   -1,   1616, 1624, -1,
+        -1,   1632, 1640, 1648, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_header_size = 16;
@@ -9350,21 +9546,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     112;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 504;
+    ObjectStore_suspend_state_await_offset = 508;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 528;
+    ObjectStore_suspend_state_handle_exception_offset = 544;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 500;
+    ObjectStore_suspend_state_init_async_offset = 504;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 516;
+    ObjectStore_suspend_state_init_async_star_offset = 520;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 508;
+    ObjectStore_suspend_state_init_sync_star_offset = 532;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 512;
+    ObjectStore_suspend_state_return_async_offset = 512;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 524;
+    ObjectStore_suspend_state_return_async_not_future_offset = 516;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 520;
+    ObjectStore_suspend_state_return_async_star_offset = 528;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 540;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 524;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 536;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 12;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 4;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset = 8;
@@ -9396,115 +9598,115 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 12;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 20;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 400;
+    Thread_AllocateArray_entry_point_offset = 404;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    856;
+    876;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    860;
+    880;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 292;
+    Thread_array_write_barrier_entry_point_offset = 296;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 300;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 304;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 184;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 304;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 308;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 188;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 308;
+    Thread_allocate_object_entry_point_offset = 312;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 192;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 312;
+    Thread_allocate_object_parameterized_entry_point_offset = 316;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 196;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 316;
+    Thread_allocate_object_slow_entry_point_offset = 320;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 200;
-static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 896;
+static constexpr dart::compiler::target::word Thread_api_top_scope_offset = 916;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 204;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 364;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 368;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 120;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 116;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 356;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 296;
+    Thread_call_to_runtime_entry_point_offset = 300;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 140;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 920;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 944;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 44;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 900;
+    Thread_double_truncate_round_supported_offset = 920;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 924;
+    Thread_service_extension_stream_offset = 948;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    336;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 248;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     340;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 252;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    344;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    252;
+    256;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    380;
+    384;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 376;
+    Thread_double_negate_address_offset = 380;
 static constexpr dart::compiler::target::word Thread_end_offset = 52;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 272;
+    Thread_enter_safepoint_stub_offset = 276;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    876;
+    896;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 276;
+    Thread_exit_safepoint_stub_offset = 280;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 280;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 284;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 284;
+    Thread_call_native_through_safepoint_stub_offset = 288;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 344;
+    Thread_call_native_through_safepoint_entry_point_offset = 348;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 132;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 128;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 392;
+    Thread_float_absolute_address_offset = 396;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 388;
+    Thread_float_negate_address_offset = 392;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    384;
+    388;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 396;
+    Thread_float_zerow_address_offset = 400;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    864;
+    884;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 136;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    892;
+    912;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 40;
-static constexpr dart::compiler::target::word Thread_isolate_group_offset = 928;
+static constexpr dart::compiler::target::word Thread_isolate_group_offset = 952;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     64;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 256;
+    Thread_lazy_deopt_from_return_stub_offset = 260;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 260;
+    Thread_lazy_deopt_from_throw_stub_offset = 264;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 268;
+    Thread_lazy_specialize_type_test_stub_offset = 272;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 80;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 328;
+    Thread_megamorphic_call_checked_entry_offset = 332;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 332;
+    Thread_switchable_call_miss_entry_offset = 336;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 232;
+    Thread_switchable_call_miss_stub_offset = 236;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 360;
+    Thread_no_scope_native_wrapper_entry_point_offset = 364;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 148;
 static constexpr dart::compiler::target::word
@@ -9532,49 +9734,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 220;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     212;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 224;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 112;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 368;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 868;
+    Thread_predefined_symbols_address_offset = 372;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 888;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 872;
+    Thread_saved_shadow_call_stack_offset = 892;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    880;
+    900;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 264;
+    Thread_slow_type_test_stub_offset = 268;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 352;
+    Thread_slow_type_test_entry_point_offset = 356;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 28;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 60;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 324;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 328;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 228;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 320;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 324;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 224;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 228;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     76;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 828;
+    Thread_suspend_state_await_entry_point_offset = 836;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 824;
+    Thread_suspend_state_init_async_entry_point_offset = 832;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 832;
+    Thread_suspend_state_return_async_entry_point_offset = 840;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 836;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 844;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 840;
+    Thread_suspend_state_init_async_star_entry_point_offset = 848;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 844;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 852;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 848;
+    Thread_suspend_state_return_async_star_entry_point_offset = 856;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 852;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 860;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 864;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 868;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 872;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 72;
 static constexpr dart::compiler::target::word Thread_top_offset = 48;
@@ -9585,17 +9795,17 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 104;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 288;
+    Thread_write_barrier_entry_point_offset = 292;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     32;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 36;
-static constexpr dart::compiler::target::word Thread_callback_code_offset = 884;
+static constexpr dart::compiler::target::word Thread_callback_code_offset = 904;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 888;
-static constexpr dart::compiler::target::word Thread_random_offset = 904;
+    Thread_callback_stack_return_offset = 908;
+static constexpr dart::compiler::target::word Thread_random_offset = 928;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 348;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 912;
+    Thread_jump_to_frame_entry_point_offset = 352;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 936;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -9688,9 +9898,9 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     4, 12, 8, 16};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        -1,  -1,  -1, -1, -1, 752, 756, 760, -1,  -1,  764,
-        768, 772, -1, -1, -1, 776, 780, 784, 788, 792, 796,
-        800, 804, -1, -1, -1, -1,  808, 812, 816, 820};
+        -1,  -1,  -1, -1, -1, 760, 764, 768, -1,  -1,  772,
+        776, 780, -1, -1, -1, 784, 788, 792, 796, 800, 804,
+        808, 812, -1, -1, -1, -1,  816, 820, 824, 828};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 12;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 8;
 static constexpr dart::compiler::target::word Array_header_size = 12;
@@ -9996,21 +10206,27 @@ static constexpr dart::compiler::target::word ObjectStore_string_type_offset =
 static constexpr dart::compiler::target::word ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_await_offset = 1008;
+    ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_handle_exception_offset = 1056;
+    ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_offset = 1000;
+    ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_init_async_star_offset = 1032;
+    ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_offset = 1016;
+    ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_return_async_star_offset = 1048;
+    ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word OneByteString_data_offset = 16;
 static constexpr dart::compiler::target::word PointerBase_data_offset = 8;
 static constexpr dart::compiler::target::word Pointer_type_arguments_offset =
@@ -10043,117 +10259,117 @@ static constexpr dart::compiler::target::word SuspendState_pc_offset = 24;
 static constexpr dart::compiler::target::word
     SuspendState_then_callback_offset = 40;
 static constexpr dart::compiler::target::word
-    Thread_AllocateArray_entry_point_offset = 776;
+    Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word Thread_active_exception_offset =
-    1688;
+    1728;
 static constexpr dart::compiler::target::word Thread_active_stacktrace_offset =
-    1696;
+    1736;
 static constexpr dart::compiler::target::word
-    Thread_array_write_barrier_entry_point_offset = 560;
+    Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_entry_point_offset = 592;
+    Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_parameterized_entry_point_offset = 600;
+    Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    Thread_allocate_object_slow_entry_point_offset = 608;
+    Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word Thread_api_top_scope_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word
     Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word Thread_bool_false_offset = 216;
 static constexpr dart::compiler::target::word Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    Thread_call_to_runtime_entry_point_offset = 568;
+    Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     Thread_call_to_runtime_stub_offset = 256;
-static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1808;
+static constexpr dart::compiler::target::word Thread_dart_stream_offset = 1848;
 static constexpr dart::compiler::target::word
     Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    Thread_double_truncate_round_supported_offset = 1776;
+    Thread_double_truncate_round_supported_offset = 1816;
 static constexpr dart::compiler::target::word
-    Thread_service_extension_stream_offset = 1816;
+    Thread_service_extension_stream_offset = 1856;
 static constexpr dart::compiler::target::word Thread_optimize_entry_offset =
-    648;
-static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 472;
-static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
     656;
+static constexpr dart::compiler::target::word Thread_optimize_stub_offset = 480;
+static constexpr dart::compiler::target::word Thread_deoptimize_entry_offset =
+    664;
 static constexpr dart::compiler::target::word Thread_deoptimize_stub_offset =
-    480;
+    488;
 static constexpr dart::compiler::target::word Thread_double_abs_address_offset =
-    736;
+    744;
 static constexpr dart::compiler::target::word
-    Thread_double_negate_address_offset = 728;
+    Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    Thread_enter_safepoint_stub_offset = 520;
+    Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word Thread_execution_state_offset =
-    1728;
+    1768;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_stub_offset = 528;
+    Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_stub_offset = 544;
+    Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    Thread_call_native_through_safepoint_entry_point_offset = 664;
+    Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    Thread_float_absolute_address_offset = 760;
+    Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    Thread_float_negate_address_offset = 752;
+    Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word Thread_float_not_address_offset =
-    744;
+    752;
 static constexpr dart::compiler::target::word
-    Thread_float_zerow_address_offset = 768;
+    Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word Thread_global_object_pool_offset =
-    1704;
+    1744;
 static constexpr dart::compiler::target::word
     Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word Thread_exit_through_ffi_offset =
-    1760;
+    1800;
 static constexpr dart::compiler::target::word Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word Thread_isolate_group_offset =
-    1824;
+    1864;
 static constexpr dart::compiler::target::word Thread_field_table_values_offset =
     128;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_return_stub_offset = 488;
+    Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    Thread_lazy_deopt_from_throw_stub_offset = 496;
+    Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    Thread_lazy_specialize_type_test_stub_offset = 512;
+    Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    Thread_megamorphic_call_checked_entry_offset = 632;
+    Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_entry_offset = 640;
+    Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    Thread_switchable_call_miss_stub_offset = 440;
+    Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -10181,49 +10397,57 @@ static constexpr dart::compiler::target::word
     Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word Thread_return_async_stub_offset =
     400;
+static constexpr dart::compiler::target::word
+    Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word Thread_object_null_offset = 200;
 static constexpr dart::compiler::target::word
-    Thread_predefined_symbols_address_offset = 712;
-static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1712;
+    Thread_predefined_symbols_address_offset = 720;
+static constexpr dart::compiler::target::word Thread_resume_pc_offset = 1752;
 static constexpr dart::compiler::target::word
-    Thread_saved_shadow_call_stack_offset = 1720;
+    Thread_saved_shadow_call_stack_offset = 1760;
 static constexpr dart::compiler::target::word Thread_safepoint_state_offset =
-    1736;
+    1776;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_stub_offset = 504;
+    Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    Thread_slow_type_test_entry_point_offset = 680;
+    Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word Thread_stack_limit_offset = 56;
 static constexpr dart::compiler::target::word Thread_saved_stack_limit_offset =
     112;
 static constexpr dart::compiler::target::word
     Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word Thread_store_buffer_block_offset =
     152;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_await_entry_point_offset = 1632;
+    Thread_suspend_state_await_entry_point_offset = 1648;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_entry_point_offset = 1624;
+    Thread_suspend_state_init_async_entry_point_offset = 1640;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_entry_point_offset = 1640;
+    Thread_suspend_state_return_async_entry_point_offset = 1656;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_not_future_entry_point_offset = 1648;
+    Thread_suspend_state_return_async_not_future_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_init_async_star_entry_point_offset = 1656;
+    Thread_suspend_state_init_async_star_entry_point_offset = 1672;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_yield_async_star_entry_point_offset = 1664;
+    Thread_suspend_state_yield_async_star_entry_point_offset = 1680;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_return_async_star_entry_point_offset = 1672;
+    Thread_suspend_state_return_async_star_entry_point_offset = 1688;
 static constexpr dart::compiler::target::word
-    Thread_suspend_state_handle_exception_entry_point_offset = 1680;
+    Thread_suspend_state_init_sync_star_entry_point_offset = 1696;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_yield_sync_star_entry_point_offset = 1704;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_return_sync_star_entry_point_offset = 1712;
+static constexpr dart::compiler::target::word
+    Thread_suspend_state_handle_exception_entry_point_offset = 1720;
 static constexpr dart::compiler::target::word
     Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word Thread_top_offset = 96;
@@ -10234,18 +10458,18 @@ static constexpr dart::compiler::target::word
     Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    Thread_write_barrier_entry_point_offset = 552;
+    Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word Thread_write_barrier_mask_offset =
     64;
 static constexpr dart::compiler::target::word Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word Thread_callback_code_offset =
-    1744;
+    1784;
 static constexpr dart::compiler::target::word
-    Thread_callback_stack_return_offset = 1752;
-static constexpr dart::compiler::target::word Thread_random_offset = 1784;
+    Thread_callback_stack_return_offset = 1792;
+static constexpr dart::compiler::target::word Thread_random_offset = 1824;
 static constexpr dart::compiler::target::word
-    Thread_jump_to_frame_entry_point_offset = 672;
-static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1792;
+    Thread_jump_to_frame_entry_point_offset = 680;
+static constexpr dart::compiler::target::word Thread_tsan_utils_offset = 1832;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_function_offset =
     0;
 static constexpr dart::compiler::target::word TsanUtils_setjmp_buffer_offset =
@@ -10340,9 +10564,9 @@ static constexpr dart::compiler::target::word Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     Thread_write_barrier_wrappers_thread_offset[] = {
-        -1,   -1,   -1, -1, -1, 1480, 1488, 1496, -1,   -1,   1504,
-        1512, 1520, -1, -1, -1, 1528, 1536, 1544, 1552, 1560, 1568,
-        1576, 1584, -1, -1, -1, -1,   1592, 1600, 1608, 1616};
+        -1,   -1,   -1, -1, -1, 1496, 1504, 1512, -1,   -1,   1520,
+        1528, 1536, -1, -1, -1, 1544, 1552, 1560, 1568, 1576, 1584,
+        1592, 1600, -1, -1, -1, -1,   1608, 1616, 1624, 1632};
 static constexpr dart::compiler::target::word AbstractType_InstanceSize = 24;
 static constexpr dart::compiler::target::word ApiError_InstanceSize = 16;
 static constexpr dart::compiler::target::word Array_header_size = 24;
@@ -10678,21 +10902,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     112;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 504;
+    AOT_ObjectStore_suspend_state_await_offset = 508;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 528;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 500;
+    AOT_ObjectStore_suspend_state_init_async_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 516;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 520;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 508;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 532;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 512;
+    AOT_ObjectStore_suspend_state_return_async_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 524;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 516;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 520;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 528;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 540;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 524;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 536;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     12;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 4;
@@ -10729,120 +10959,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 8;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 16;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 400;
+    AOT_Thread_AllocateArray_entry_point_offset = 404;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 816;
+    AOT_Thread_active_exception_offset = 836;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 820;
+    AOT_Thread_active_stacktrace_offset = 840;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 292;
+    AOT_Thread_array_write_barrier_entry_point_offset = 296;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 300;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 304;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 184;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 304;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 308;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 188;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 308;
+    AOT_Thread_allocate_object_entry_point_offset = 312;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 192;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 312;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 316;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 196;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 316;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 320;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 200;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    856;
+    876;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 204;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 364;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 368;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     120;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 116;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 356;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 296;
+    AOT_Thread_call_to_runtime_entry_point_offset = 300;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 140;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    880;
+    904;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 44;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 860;
+    AOT_Thread_double_truncate_round_supported_offset = 880;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 884;
+    AOT_Thread_service_extension_stream_offset = 908;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    336;
+    340;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    248;
+    252;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 340;
+    AOT_Thread_deoptimize_entry_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 252;
+    AOT_Thread_deoptimize_stub_offset = 256;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 380;
+    AOT_Thread_double_abs_address_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 376;
+    AOT_Thread_double_negate_address_offset = 380;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 52;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 272;
+    AOT_Thread_enter_safepoint_stub_offset = 276;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 836;
+    AOT_Thread_execution_state_offset = 856;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 276;
+    AOT_Thread_exit_safepoint_stub_offset = 280;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 280;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 284;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 284;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 288;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 344;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 348;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 132;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 392;
+    AOT_Thread_float_absolute_address_offset = 396;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 388;
+    AOT_Thread_float_negate_address_offset = 392;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 384;
+    AOT_Thread_float_not_address_offset = 388;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 396;
+    AOT_Thread_float_zerow_address_offset = 400;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 824;
+    AOT_Thread_global_object_pool_offset = 844;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 136;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 852;
+    AOT_Thread_exit_through_ffi_offset = 872;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 40;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    888;
+    912;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 64;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 256;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 260;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 260;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 264;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 268;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 272;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 80;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 328;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 332;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 332;
+    AOT_Thread_switchable_call_miss_entry_offset = 336;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 232;
+    AOT_Thread_switchable_call_miss_stub_offset = 236;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 360;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 364;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 148;
 static constexpr dart::compiler::target::word
@@ -10872,19 +11102,21 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 220;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 212;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 224;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     112;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 368;
-static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset = 828;
+    AOT_Thread_predefined_symbols_address_offset = 372;
+static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset = 848;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 832;
+    AOT_Thread_saved_shadow_call_stack_offset = 852;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 840;
+    AOT_Thread_safepoint_state_offset = 860;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 264;
+    AOT_Thread_slow_type_test_stub_offset = 268;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 352;
+    AOT_Thread_slow_type_test_entry_point_offset = 356;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     28;
 static constexpr dart::compiler::target::word
@@ -10892,31 +11124,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 60;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 324;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 328;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 228;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 320;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 324;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 224;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 228;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 76;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 788;
+    AOT_Thread_suspend_state_await_entry_point_offset = 796;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 784;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 792;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 792;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 800;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 796;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 804;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 800;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 808;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 804;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 812;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 808;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 816;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 812;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 820;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 824;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 828;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 832;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 48;
@@ -10928,19 +11166,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 104;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 288;
+    AOT_Thread_write_barrier_entry_point_offset = 292;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 32;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 36;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    844;
+    864;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 848;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 864;
+    AOT_Thread_callback_stack_return_offset = 868;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 888;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 348;
+    AOT_Thread_jump_to_frame_entry_point_offset = 352;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    872;
+    896;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -11053,7 +11291,7 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     4, 12, 8, 16};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        752, 756, 760, 764, 768, -1, 772, -1, 776, 780, -1, -1, -1, -1, -1, -1};
+        760, 764, 768, 772, 776, -1, 780, -1, 784, 788, -1, -1, -1, -1, -1, -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     12;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 8;
@@ -11403,21 +11641,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 1008;
+    AOT_ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 1056;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 1000;
+    AOT_ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 1032;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 1016;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    AOT_ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 1048;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     16;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 8;
@@ -11454,120 +11698,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 16;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 32;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 776;
+    AOT_Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1632;
+    AOT_Thread_active_exception_offset = 1672;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1640;
+    AOT_Thread_active_stacktrace_offset = 1680;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 560;
+    AOT_Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 592;
+    AOT_Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 600;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 608;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     216;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 568;
+    AOT_Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 256;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1752;
+    1792;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 1720;
+    AOT_Thread_double_truncate_round_supported_offset = 1760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 1760;
+    AOT_Thread_service_extension_stream_offset = 1800;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    648;
+    656;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    472;
+    480;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 656;
+    AOT_Thread_deoptimize_entry_offset = 664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 480;
+    AOT_Thread_deoptimize_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 736;
+    AOT_Thread_double_abs_address_offset = 744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 728;
+    AOT_Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 520;
+    AOT_Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1672;
+    AOT_Thread_execution_state_offset = 1712;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 528;
+    AOT_Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 544;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 664;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 760;
+    AOT_Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 752;
+    AOT_Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 744;
+    AOT_Thread_float_not_address_offset = 752;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 768;
+    AOT_Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1648;
+    AOT_Thread_global_object_pool_offset = 1688;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1704;
+    AOT_Thread_exit_through_ffi_offset = 1744;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 488;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 496;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 512;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 632;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 640;
+    AOT_Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 440;
+    AOT_Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -11597,20 +11841,22 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 400;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     200;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 712;
+    AOT_Thread_predefined_symbols_address_offset = 720;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1656;
+    1696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1664;
+    AOT_Thread_saved_shadow_call_stack_offset = 1704;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1680;
+    AOT_Thread_safepoint_state_offset = 1720;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 504;
+    AOT_Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 680;
+    AOT_Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
@@ -11618,31 +11864,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 152;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 1576;
+    AOT_Thread_suspend_state_await_entry_point_offset = 1592;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 1568;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 1584;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 1584;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 1600;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1592;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1608;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1600;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1616;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1608;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1616;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1624;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 1640;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 1648;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 1656;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 96;
@@ -11654,19 +11906,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 552;
+    AOT_Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 64;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1688;
+    1728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1696;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1728;
+    AOT_Thread_callback_stack_return_offset = 1736;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 672;
+    AOT_Thread_jump_to_frame_entry_point_offset = 680;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    1736;
+    1776;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -11780,8 +12032,8 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, -1,   -1,   1512, 1520,
-        1528, 1536, 1544, -1,   1552, 1560, -1,   -1};
+        1496, 1504, 1512, 1520, -1,   -1,   1528, 1536,
+        1544, 1552, 1560, -1,   1568, 1576, -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -12134,21 +12386,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 1008;
+    AOT_ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 1056;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 1000;
+    AOT_ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 1032;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 1016;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    AOT_ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 1048;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     16;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 8;
@@ -12185,120 +12443,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 16;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 32;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 776;
+    AOT_Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1696;
+    AOT_Thread_active_exception_offset = 1736;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1704;
+    AOT_Thread_active_stacktrace_offset = 1744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 560;
+    AOT_Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 592;
+    AOT_Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 600;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 608;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1776;
+    1816;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     216;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 568;
+    AOT_Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 256;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1816;
+    1856;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 1784;
+    AOT_Thread_double_truncate_round_supported_offset = 1824;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 1824;
+    AOT_Thread_service_extension_stream_offset = 1864;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    648;
+    656;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    472;
+    480;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 656;
+    AOT_Thread_deoptimize_entry_offset = 664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 480;
+    AOT_Thread_deoptimize_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 736;
+    AOT_Thread_double_abs_address_offset = 744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 728;
+    AOT_Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 520;
+    AOT_Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1736;
+    AOT_Thread_execution_state_offset = 1776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 528;
+    AOT_Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 544;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 664;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 760;
+    AOT_Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 752;
+    AOT_Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 744;
+    AOT_Thread_float_not_address_offset = 752;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 768;
+    AOT_Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1712;
+    AOT_Thread_global_object_pool_offset = 1752;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1768;
+    AOT_Thread_exit_through_ffi_offset = 1808;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1832;
+    1872;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 488;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 496;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 512;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 632;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 640;
+    AOT_Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 440;
+    AOT_Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -12328,20 +12586,22 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 400;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     200;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 712;
+    AOT_Thread_predefined_symbols_address_offset = 720;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1720;
+    1760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1728;
+    AOT_Thread_saved_shadow_call_stack_offset = 1768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1744;
+    AOT_Thread_safepoint_state_offset = 1784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 504;
+    AOT_Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 680;
+    AOT_Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
@@ -12349,31 +12609,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 152;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 1640;
+    AOT_Thread_suspend_state_await_entry_point_offset = 1656;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 1632;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 1648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 1648;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1656;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1672;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1664;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1680;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1672;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1688;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1680;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1688;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 1704;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 1712;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 1720;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1728;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 96;
@@ -12385,19 +12651,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 552;
+    AOT_Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 64;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1752;
+    1792;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1760;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1792;
+    AOT_Thread_callback_stack_return_offset = 1800;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1832;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 672;
+    AOT_Thread_jump_to_frame_entry_point_offset = 680;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    1800;
+    1840;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -12511,9 +12777,9 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560,
-        1568, 1576, 1584, 1592, -1,   -1,   -1,   -1,   1600, 1608, -1,
-        -1,   1616, 1624, 1632, -1,   -1,   -1,   -1,   -1,   -1};
+        1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560, 1568, 1576,
+        1584, 1592, 1600, 1608, -1,   -1,   -1,   -1,   1616, 1624, -1,
+        -1,   1632, 1640, 1648, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -12862,21 +13128,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 1008;
+    AOT_ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 1056;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 1000;
+    AOT_ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 1032;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 1016;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    AOT_ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 1048;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     16;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 8;
@@ -12913,120 +13185,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 16;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 28;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 776;
+    AOT_Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1632;
+    AOT_Thread_active_exception_offset = 1672;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1640;
+    AOT_Thread_active_stacktrace_offset = 1680;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 560;
+    AOT_Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 592;
+    AOT_Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 600;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 608;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     216;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 568;
+    AOT_Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 256;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1752;
+    1792;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 1720;
+    AOT_Thread_double_truncate_round_supported_offset = 1760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 1760;
+    AOT_Thread_service_extension_stream_offset = 1800;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    648;
+    656;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    472;
+    480;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 656;
+    AOT_Thread_deoptimize_entry_offset = 664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 480;
+    AOT_Thread_deoptimize_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 736;
+    AOT_Thread_double_abs_address_offset = 744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 728;
+    AOT_Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 520;
+    AOT_Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1672;
+    AOT_Thread_execution_state_offset = 1712;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 528;
+    AOT_Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 544;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 664;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 760;
+    AOT_Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 752;
+    AOT_Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 744;
+    AOT_Thread_float_not_address_offset = 752;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 768;
+    AOT_Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1648;
+    AOT_Thread_global_object_pool_offset = 1688;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1704;
+    AOT_Thread_exit_through_ffi_offset = 1744;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 488;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 496;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 512;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 632;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 640;
+    AOT_Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 440;
+    AOT_Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -13056,20 +13328,22 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 400;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     200;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 712;
+    AOT_Thread_predefined_symbols_address_offset = 720;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1656;
+    1696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1664;
+    AOT_Thread_saved_shadow_call_stack_offset = 1704;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1680;
+    AOT_Thread_safepoint_state_offset = 1720;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 504;
+    AOT_Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 680;
+    AOT_Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
@@ -13077,31 +13351,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 152;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 1576;
+    AOT_Thread_suspend_state_await_entry_point_offset = 1592;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 1568;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 1584;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 1584;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 1600;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1592;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1608;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1600;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1616;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1608;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1616;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1624;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 1640;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 1648;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 1656;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 96;
@@ -13113,19 +13393,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 552;
+    AOT_Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 64;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1688;
+    1728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1696;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1728;
+    AOT_Thread_callback_stack_return_offset = 1736;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 672;
+    AOT_Thread_jump_to_frame_entry_point_offset = 680;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    1736;
+    1776;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -13239,8 +13519,8 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, -1,   -1,   1512, 1520,
-        1528, 1536, 1544, -1,   1552, 1560, -1,   -1};
+        1496, 1504, 1512, 1520, -1,   -1,   1528, 1536,
+        1544, 1552, 1560, -1,   1568, 1576, -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -13589,21 +13869,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 1008;
+    AOT_ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 1056;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 1000;
+    AOT_ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 1032;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 1016;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    AOT_ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 1048;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     16;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 8;
@@ -13640,120 +13926,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 16;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 28;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 776;
+    AOT_Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1696;
+    AOT_Thread_active_exception_offset = 1736;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1704;
+    AOT_Thread_active_stacktrace_offset = 1744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 560;
+    AOT_Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 592;
+    AOT_Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 600;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 608;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1776;
+    1816;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     216;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 568;
+    AOT_Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 256;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1816;
+    1856;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 1784;
+    AOT_Thread_double_truncate_round_supported_offset = 1824;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 1824;
+    AOT_Thread_service_extension_stream_offset = 1864;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    648;
+    656;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    472;
+    480;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 656;
+    AOT_Thread_deoptimize_entry_offset = 664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 480;
+    AOT_Thread_deoptimize_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 736;
+    AOT_Thread_double_abs_address_offset = 744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 728;
+    AOT_Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 520;
+    AOT_Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1736;
+    AOT_Thread_execution_state_offset = 1776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 528;
+    AOT_Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 544;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 664;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 760;
+    AOT_Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 752;
+    AOT_Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 744;
+    AOT_Thread_float_not_address_offset = 752;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 768;
+    AOT_Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1712;
+    AOT_Thread_global_object_pool_offset = 1752;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1768;
+    AOT_Thread_exit_through_ffi_offset = 1808;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1832;
+    1872;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 488;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 496;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 512;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 632;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 640;
+    AOT_Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 440;
+    AOT_Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -13783,20 +14069,22 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 400;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     200;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 712;
+    AOT_Thread_predefined_symbols_address_offset = 720;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1720;
+    1760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1728;
+    AOT_Thread_saved_shadow_call_stack_offset = 1768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1744;
+    AOT_Thread_safepoint_state_offset = 1784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 504;
+    AOT_Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 680;
+    AOT_Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
@@ -13804,31 +14092,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 152;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 1640;
+    AOT_Thread_suspend_state_await_entry_point_offset = 1656;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 1632;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 1648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 1648;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1656;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1672;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1664;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1680;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1672;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1688;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1680;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1688;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 1704;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 1712;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 1720;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1728;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 96;
@@ -13840,19 +14134,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 552;
+    AOT_Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 64;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1752;
+    1792;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1760;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1792;
+    AOT_Thread_callback_stack_return_offset = 1800;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1832;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 672;
+    AOT_Thread_jump_to_frame_entry_point_offset = 680;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    1800;
+    1840;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -13966,9 +14260,9 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560,
-        1568, 1576, 1584, 1592, -1,   -1,   -1,   -1,   1600, 1608, -1,
-        -1,   1616, 1624, 1632, -1,   -1,   -1,   -1,   -1,   -1};
+        1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560, 1568, 1576,
+        1584, 1592, 1600, 1608, -1,   -1,   -1,   -1,   1616, 1624, -1,
+        -1,   1632, 1640, 1648, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -14317,21 +14611,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     112;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 504;
+    AOT_ObjectStore_suspend_state_await_offset = 508;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 528;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 500;
+    AOT_ObjectStore_suspend_state_init_async_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 516;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 520;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 508;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 532;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 512;
+    AOT_ObjectStore_suspend_state_return_async_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 524;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 516;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 520;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 528;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 540;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 524;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 536;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     12;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 4;
@@ -14368,120 +14668,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 8;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 16;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 400;
+    AOT_Thread_AllocateArray_entry_point_offset = 404;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 856;
+    AOT_Thread_active_exception_offset = 876;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 860;
+    AOT_Thread_active_stacktrace_offset = 880;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 292;
+    AOT_Thread_array_write_barrier_entry_point_offset = 296;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 300;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 304;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 184;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 304;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 308;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 188;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 308;
+    AOT_Thread_allocate_object_entry_point_offset = 312;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 192;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 312;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 316;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 196;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 316;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 320;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 200;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    896;
+    916;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 204;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 364;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 368;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     120;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 116;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 356;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 296;
+    AOT_Thread_call_to_runtime_entry_point_offset = 300;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 140;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    920;
+    944;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 44;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 900;
+    AOT_Thread_double_truncate_round_supported_offset = 920;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 924;
+    AOT_Thread_service_extension_stream_offset = 948;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    336;
+    340;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    248;
+    252;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 340;
+    AOT_Thread_deoptimize_entry_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 252;
+    AOT_Thread_deoptimize_stub_offset = 256;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 380;
+    AOT_Thread_double_abs_address_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 376;
+    AOT_Thread_double_negate_address_offset = 380;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 52;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 272;
+    AOT_Thread_enter_safepoint_stub_offset = 276;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 876;
+    AOT_Thread_execution_state_offset = 896;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 276;
+    AOT_Thread_exit_safepoint_stub_offset = 280;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 280;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 284;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 284;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 288;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 344;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 348;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 132;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 392;
+    AOT_Thread_float_absolute_address_offset = 396;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 388;
+    AOT_Thread_float_negate_address_offset = 392;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 384;
+    AOT_Thread_float_not_address_offset = 388;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 396;
+    AOT_Thread_float_zerow_address_offset = 400;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 864;
+    AOT_Thread_global_object_pool_offset = 884;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 136;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 892;
+    AOT_Thread_exit_through_ffi_offset = 912;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 40;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    928;
+    952;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 64;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 256;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 260;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 260;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 264;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 268;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 272;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 80;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 328;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 332;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 332;
+    AOT_Thread_switchable_call_miss_entry_offset = 336;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 232;
+    AOT_Thread_switchable_call_miss_stub_offset = 236;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 360;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 364;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 148;
 static constexpr dart::compiler::target::word
@@ -14511,19 +14811,21 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 220;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 212;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 224;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     112;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 368;
-static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset = 868;
+    AOT_Thread_predefined_symbols_address_offset = 372;
+static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset = 888;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 872;
+    AOT_Thread_saved_shadow_call_stack_offset = 892;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 880;
+    AOT_Thread_safepoint_state_offset = 900;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 264;
+    AOT_Thread_slow_type_test_stub_offset = 268;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 352;
+    AOT_Thread_slow_type_test_entry_point_offset = 356;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     28;
 static constexpr dart::compiler::target::word
@@ -14531,31 +14833,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 60;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 324;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 328;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 228;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 320;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 324;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 224;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 228;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 76;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 828;
+    AOT_Thread_suspend_state_await_entry_point_offset = 836;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 824;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 832;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 832;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 840;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 836;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 844;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 840;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 848;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 844;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 852;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 848;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 856;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 852;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 860;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 864;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 868;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 872;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 48;
@@ -14567,19 +14875,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 104;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 288;
+    AOT_Thread_write_barrier_entry_point_offset = 292;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 32;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 36;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    884;
+    904;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 888;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 904;
+    AOT_Thread_callback_stack_return_offset = 908;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 928;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 348;
+    AOT_Thread_jump_to_frame_entry_point_offset = 352;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    912;
+    936;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -14692,9 +15000,9 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     4, 12, 8, 16};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        -1,  -1,  -1, -1, -1, 752, 756, 760, -1,  -1,  764,
-        768, 772, -1, -1, -1, 776, 780, 784, 788, 792, 796,
-        800, 804, -1, -1, -1, -1,  808, 812, 816, 820};
+        -1,  -1,  -1, -1, -1, 760, 764, 768, -1,  -1,  772,
+        776, 780, -1, -1, -1, 784, 788, 792, 796, 800, 804,
+        808, 812, -1, -1, -1, -1,  816, 820, 824, 828};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     12;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 8;
@@ -15044,21 +15352,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 1008;
+    AOT_ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 1056;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 1000;
+    AOT_ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 1032;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 1016;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    AOT_ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 1048;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     16;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 8;
@@ -15095,120 +15409,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 16;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 32;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 776;
+    AOT_Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1688;
+    AOT_Thread_active_exception_offset = 1728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1696;
+    AOT_Thread_active_stacktrace_offset = 1736;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 560;
+    AOT_Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 592;
+    AOT_Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 600;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 608;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     216;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 568;
+    AOT_Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 256;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1808;
+    1848;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 1776;
+    AOT_Thread_double_truncate_round_supported_offset = 1816;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 1816;
+    AOT_Thread_service_extension_stream_offset = 1856;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    648;
+    656;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    472;
+    480;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 656;
+    AOT_Thread_deoptimize_entry_offset = 664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 480;
+    AOT_Thread_deoptimize_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 736;
+    AOT_Thread_double_abs_address_offset = 744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 728;
+    AOT_Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 520;
+    AOT_Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1728;
+    AOT_Thread_execution_state_offset = 1768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 528;
+    AOT_Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 544;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 664;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 760;
+    AOT_Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 752;
+    AOT_Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 744;
+    AOT_Thread_float_not_address_offset = 752;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 768;
+    AOT_Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1704;
+    AOT_Thread_global_object_pool_offset = 1744;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1760;
+    AOT_Thread_exit_through_ffi_offset = 1800;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1824;
+    1864;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 488;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 496;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 512;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 632;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 640;
+    AOT_Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 440;
+    AOT_Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -15238,20 +15552,22 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 400;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     200;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 712;
+    AOT_Thread_predefined_symbols_address_offset = 720;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1720;
+    AOT_Thread_saved_shadow_call_stack_offset = 1760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1736;
+    AOT_Thread_safepoint_state_offset = 1776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 504;
+    AOT_Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 680;
+    AOT_Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
@@ -15259,31 +15575,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 152;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 1632;
+    AOT_Thread_suspend_state_await_entry_point_offset = 1648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 1624;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 1640;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 1640;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 1656;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1648;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1656;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1672;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1664;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1680;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1672;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1688;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1680;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 1696;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 1704;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 1712;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1720;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 96;
@@ -15295,19 +15617,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 552;
+    AOT_Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 64;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1744;
+    1784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1752;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1784;
+    AOT_Thread_callback_stack_return_offset = 1792;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1824;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 672;
+    AOT_Thread_jump_to_frame_entry_point_offset = 680;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    1792;
+    1832;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -15421,9 +15743,9 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        -1,   -1,   -1, -1, -1, 1480, 1488, 1496, -1,   -1,   1504,
-        1512, 1520, -1, -1, -1, 1528, 1536, 1544, 1552, 1560, 1568,
-        1576, 1584, -1, -1, -1, -1,   1592, 1600, 1608, 1616};
+        -1,   -1,   -1, -1, -1, 1496, 1504, 1512, -1,   -1,   1520,
+        1528, 1536, -1, -1, -1, 1544, 1552, 1560, 1568, 1576, 1584,
+        1592, 1600, -1, -1, -1, -1,   1608, 1616, 1624, 1632};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -15765,21 +16087,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     112;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 504;
+    AOT_ObjectStore_suspend_state_await_offset = 508;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 528;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 500;
+    AOT_ObjectStore_suspend_state_init_async_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 516;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 520;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 508;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 532;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 512;
+    AOT_ObjectStore_suspend_state_return_async_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 524;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 516;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 520;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 528;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 540;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 524;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 536;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     12;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 4;
@@ -15816,120 +16144,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 8;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 16;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 400;
+    AOT_Thread_AllocateArray_entry_point_offset = 404;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 816;
+    AOT_Thread_active_exception_offset = 836;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 820;
+    AOT_Thread_active_stacktrace_offset = 840;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 292;
+    AOT_Thread_array_write_barrier_entry_point_offset = 296;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 300;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 304;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 184;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 304;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 308;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 188;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 308;
+    AOT_Thread_allocate_object_entry_point_offset = 312;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 192;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 312;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 316;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 196;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 316;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 320;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 200;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    856;
+    876;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 204;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 364;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 368;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     120;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 116;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 356;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 296;
+    AOT_Thread_call_to_runtime_entry_point_offset = 300;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 140;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    880;
+    904;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 44;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 860;
+    AOT_Thread_double_truncate_round_supported_offset = 880;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 884;
+    AOT_Thread_service_extension_stream_offset = 908;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    336;
+    340;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    248;
+    252;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 340;
+    AOT_Thread_deoptimize_entry_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 252;
+    AOT_Thread_deoptimize_stub_offset = 256;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 380;
+    AOT_Thread_double_abs_address_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 376;
+    AOT_Thread_double_negate_address_offset = 380;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 52;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 272;
+    AOT_Thread_enter_safepoint_stub_offset = 276;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 836;
+    AOT_Thread_execution_state_offset = 856;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 276;
+    AOT_Thread_exit_safepoint_stub_offset = 280;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 280;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 284;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 284;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 288;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 344;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 348;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 132;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 392;
+    AOT_Thread_float_absolute_address_offset = 396;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 388;
+    AOT_Thread_float_negate_address_offset = 392;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 384;
+    AOT_Thread_float_not_address_offset = 388;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 396;
+    AOT_Thread_float_zerow_address_offset = 400;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 824;
+    AOT_Thread_global_object_pool_offset = 844;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 136;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 852;
+    AOT_Thread_exit_through_ffi_offset = 872;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 40;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    888;
+    912;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 64;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 256;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 260;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 260;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 264;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 268;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 272;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 80;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 328;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 332;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 332;
+    AOT_Thread_switchable_call_miss_entry_offset = 336;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 232;
+    AOT_Thread_switchable_call_miss_stub_offset = 236;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 360;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 364;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 148;
 static constexpr dart::compiler::target::word
@@ -15959,19 +16287,21 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 220;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 212;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 224;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     112;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 368;
-static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset = 828;
+    AOT_Thread_predefined_symbols_address_offset = 372;
+static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset = 848;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 832;
+    AOT_Thread_saved_shadow_call_stack_offset = 852;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 840;
+    AOT_Thread_safepoint_state_offset = 860;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 264;
+    AOT_Thread_slow_type_test_stub_offset = 268;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 352;
+    AOT_Thread_slow_type_test_entry_point_offset = 356;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     28;
 static constexpr dart::compiler::target::word
@@ -15979,31 +16309,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 60;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 324;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 328;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 228;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 320;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 324;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 224;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 228;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 76;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 788;
+    AOT_Thread_suspend_state_await_entry_point_offset = 796;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 784;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 792;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 792;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 800;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 796;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 804;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 800;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 808;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 804;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 812;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 808;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 816;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 812;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 820;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 824;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 828;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 832;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 48;
@@ -16015,19 +16351,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 104;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 288;
+    AOT_Thread_write_barrier_entry_point_offset = 292;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 32;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 36;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    844;
+    864;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 848;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 864;
+    AOT_Thread_callback_stack_return_offset = 868;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 888;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 348;
+    AOT_Thread_jump_to_frame_entry_point_offset = 352;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    872;
+    896;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -16140,7 +16476,7 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     4, 12, 8, 16};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        752, 756, 760, 764, 768, -1, 772, -1, 776, 780, -1, -1, -1, -1, -1, -1};
+        760, 764, 768, 772, 776, -1, 780, -1, 784, 788, -1, -1, -1, -1, -1, -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     12;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 8;
@@ -16481,21 +16817,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 1008;
+    AOT_ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 1056;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 1000;
+    AOT_ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 1032;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 1016;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    AOT_ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 1048;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     16;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 8;
@@ -16532,120 +16874,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 16;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 32;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 776;
+    AOT_Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1632;
+    AOT_Thread_active_exception_offset = 1672;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1640;
+    AOT_Thread_active_stacktrace_offset = 1680;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 560;
+    AOT_Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 592;
+    AOT_Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 600;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 608;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     216;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 568;
+    AOT_Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 256;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1752;
+    1792;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 1720;
+    AOT_Thread_double_truncate_round_supported_offset = 1760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 1760;
+    AOT_Thread_service_extension_stream_offset = 1800;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    648;
+    656;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    472;
+    480;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 656;
+    AOT_Thread_deoptimize_entry_offset = 664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 480;
+    AOT_Thread_deoptimize_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 736;
+    AOT_Thread_double_abs_address_offset = 744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 728;
+    AOT_Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 520;
+    AOT_Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1672;
+    AOT_Thread_execution_state_offset = 1712;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 528;
+    AOT_Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 544;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 664;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 760;
+    AOT_Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 752;
+    AOT_Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 744;
+    AOT_Thread_float_not_address_offset = 752;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 768;
+    AOT_Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1648;
+    AOT_Thread_global_object_pool_offset = 1688;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1704;
+    AOT_Thread_exit_through_ffi_offset = 1744;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 488;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 496;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 512;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 632;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 640;
+    AOT_Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 440;
+    AOT_Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -16675,20 +17017,22 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 400;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     200;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 712;
+    AOT_Thread_predefined_symbols_address_offset = 720;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1656;
+    1696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1664;
+    AOT_Thread_saved_shadow_call_stack_offset = 1704;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1680;
+    AOT_Thread_safepoint_state_offset = 1720;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 504;
+    AOT_Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 680;
+    AOT_Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
@@ -16696,31 +17040,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 152;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 1576;
+    AOT_Thread_suspend_state_await_entry_point_offset = 1592;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 1568;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 1584;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 1584;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 1600;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1592;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1608;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1600;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1616;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1608;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1616;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1624;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 1640;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 1648;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 1656;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 96;
@@ -16732,19 +17082,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 552;
+    AOT_Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 64;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1688;
+    1728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1696;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1728;
+    AOT_Thread_callback_stack_return_offset = 1736;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 672;
+    AOT_Thread_jump_to_frame_entry_point_offset = 680;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    1736;
+    1776;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -16858,8 +17208,8 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, -1,   -1,   1512, 1520,
-        1528, 1536, 1544, -1,   1552, 1560, -1,   -1};
+        1496, 1504, 1512, 1520, -1,   -1,   1528, 1536,
+        1544, 1552, 1560, -1,   1568, 1576, -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -17203,21 +17553,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 1008;
+    AOT_ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 1056;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 1000;
+    AOT_ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 1032;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 1016;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    AOT_ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 1048;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     16;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 8;
@@ -17254,120 +17610,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 16;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 32;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 776;
+    AOT_Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1696;
+    AOT_Thread_active_exception_offset = 1736;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1704;
+    AOT_Thread_active_stacktrace_offset = 1744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 560;
+    AOT_Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 592;
+    AOT_Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 600;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 608;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1776;
+    1816;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     216;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 568;
+    AOT_Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 256;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1816;
+    1856;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 1784;
+    AOT_Thread_double_truncate_round_supported_offset = 1824;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 1824;
+    AOT_Thread_service_extension_stream_offset = 1864;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    648;
+    656;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    472;
+    480;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 656;
+    AOT_Thread_deoptimize_entry_offset = 664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 480;
+    AOT_Thread_deoptimize_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 736;
+    AOT_Thread_double_abs_address_offset = 744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 728;
+    AOT_Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 520;
+    AOT_Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1736;
+    AOT_Thread_execution_state_offset = 1776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 528;
+    AOT_Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 544;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 664;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 760;
+    AOT_Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 752;
+    AOT_Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 744;
+    AOT_Thread_float_not_address_offset = 752;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 768;
+    AOT_Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1712;
+    AOT_Thread_global_object_pool_offset = 1752;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1768;
+    AOT_Thread_exit_through_ffi_offset = 1808;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1832;
+    1872;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 488;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 496;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 512;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 632;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 640;
+    AOT_Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 440;
+    AOT_Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -17397,20 +17753,22 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 400;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     200;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 712;
+    AOT_Thread_predefined_symbols_address_offset = 720;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1720;
+    1760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1728;
+    AOT_Thread_saved_shadow_call_stack_offset = 1768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1744;
+    AOT_Thread_safepoint_state_offset = 1784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 504;
+    AOT_Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 680;
+    AOT_Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
@@ -17418,31 +17776,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 152;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 1640;
+    AOT_Thread_suspend_state_await_entry_point_offset = 1656;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 1632;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 1648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 1648;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1656;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1672;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1664;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1680;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1672;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1688;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1680;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1688;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 1704;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 1712;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 1720;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1728;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 96;
@@ -17454,19 +17818,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 552;
+    AOT_Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 64;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1752;
+    1792;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1760;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1792;
+    AOT_Thread_callback_stack_return_offset = 1800;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1832;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 672;
+    AOT_Thread_jump_to_frame_entry_point_offset = 680;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    1800;
+    1840;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -17580,9 +17944,9 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560,
-        1568, 1576, 1584, 1592, -1,   -1,   -1,   -1,   1600, 1608, -1,
-        -1,   1616, 1624, 1632, -1,   -1,   -1,   -1,   -1,   -1};
+        1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560, 1568, 1576,
+        1584, 1592, 1600, 1608, -1,   -1,   -1,   -1,   1616, 1624, -1,
+        -1,   1632, 1640, 1648, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -17922,21 +18286,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 1008;
+    AOT_ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 1056;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 1000;
+    AOT_ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 1032;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 1016;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    AOT_ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 1048;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     16;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 8;
@@ -17973,120 +18343,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 16;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 28;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 776;
+    AOT_Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1632;
+    AOT_Thread_active_exception_offset = 1672;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1640;
+    AOT_Thread_active_stacktrace_offset = 1680;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 560;
+    AOT_Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 592;
+    AOT_Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 600;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 608;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     216;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 568;
+    AOT_Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 256;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1752;
+    1792;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 1720;
+    AOT_Thread_double_truncate_round_supported_offset = 1760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 1760;
+    AOT_Thread_service_extension_stream_offset = 1800;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    648;
+    656;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    472;
+    480;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 656;
+    AOT_Thread_deoptimize_entry_offset = 664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 480;
+    AOT_Thread_deoptimize_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 736;
+    AOT_Thread_double_abs_address_offset = 744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 728;
+    AOT_Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 520;
+    AOT_Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1672;
+    AOT_Thread_execution_state_offset = 1712;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 528;
+    AOT_Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 544;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 664;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 760;
+    AOT_Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 752;
+    AOT_Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 744;
+    AOT_Thread_float_not_address_offset = 752;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 768;
+    AOT_Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1648;
+    AOT_Thread_global_object_pool_offset = 1688;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1704;
+    AOT_Thread_exit_through_ffi_offset = 1744;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 488;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 496;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 512;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 632;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 640;
+    AOT_Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 440;
+    AOT_Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -18116,20 +18486,22 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 400;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     200;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 712;
+    AOT_Thread_predefined_symbols_address_offset = 720;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1656;
+    1696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1664;
+    AOT_Thread_saved_shadow_call_stack_offset = 1704;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1680;
+    AOT_Thread_safepoint_state_offset = 1720;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 504;
+    AOT_Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 680;
+    AOT_Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
@@ -18137,31 +18509,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 152;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 1576;
+    AOT_Thread_suspend_state_await_entry_point_offset = 1592;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 1568;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 1584;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 1584;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 1600;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1592;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1608;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1600;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1616;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1608;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1616;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1624;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 1640;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 1648;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 1656;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 96;
@@ -18173,19 +18551,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 552;
+    AOT_Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 64;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1688;
+    1728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1696;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1728;
+    AOT_Thread_callback_stack_return_offset = 1736;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 672;
+    AOT_Thread_jump_to_frame_entry_point_offset = 680;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    1736;
+    1776;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -18299,8 +18677,8 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, -1,   -1,   1512, 1520,
-        1528, 1536, 1544, -1,   1552, 1560, -1,   -1};
+        1496, 1504, 1512, 1520, -1,   -1,   1528, 1536,
+        1544, 1552, 1560, -1,   1568, 1576, -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -18640,21 +19018,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 1008;
+    AOT_ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 1056;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 1000;
+    AOT_ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 1032;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 1016;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    AOT_ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 1048;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     16;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 8;
@@ -18691,120 +19075,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 16;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 28;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 776;
+    AOT_Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1696;
+    AOT_Thread_active_exception_offset = 1736;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1704;
+    AOT_Thread_active_stacktrace_offset = 1744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 560;
+    AOT_Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 592;
+    AOT_Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 600;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 608;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1776;
+    1816;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     216;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 568;
+    AOT_Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 256;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1816;
+    1856;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 1784;
+    AOT_Thread_double_truncate_round_supported_offset = 1824;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 1824;
+    AOT_Thread_service_extension_stream_offset = 1864;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    648;
+    656;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    472;
+    480;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 656;
+    AOT_Thread_deoptimize_entry_offset = 664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 480;
+    AOT_Thread_deoptimize_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 736;
+    AOT_Thread_double_abs_address_offset = 744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 728;
+    AOT_Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 520;
+    AOT_Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1736;
+    AOT_Thread_execution_state_offset = 1776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 528;
+    AOT_Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 544;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 664;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 760;
+    AOT_Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 752;
+    AOT_Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 744;
+    AOT_Thread_float_not_address_offset = 752;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 768;
+    AOT_Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1712;
+    AOT_Thread_global_object_pool_offset = 1752;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1768;
+    AOT_Thread_exit_through_ffi_offset = 1808;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1832;
+    1872;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 488;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 496;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 512;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 632;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 640;
+    AOT_Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 440;
+    AOT_Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -18834,20 +19218,22 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 400;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     200;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 712;
+    AOT_Thread_predefined_symbols_address_offset = 720;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1720;
+    1760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1728;
+    AOT_Thread_saved_shadow_call_stack_offset = 1768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1744;
+    AOT_Thread_safepoint_state_offset = 1784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 504;
+    AOT_Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 680;
+    AOT_Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
@@ -18855,31 +19241,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 152;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 1640;
+    AOT_Thread_suspend_state_await_entry_point_offset = 1656;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 1632;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 1648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 1648;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1656;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1672;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1664;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1680;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1672;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1688;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1680;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1688;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 1704;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 1712;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 1720;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1728;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 96;
@@ -18891,19 +19283,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 552;
+    AOT_Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 64;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1752;
+    1792;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1760;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1792;
+    AOT_Thread_callback_stack_return_offset = 1800;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1832;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 672;
+    AOT_Thread_jump_to_frame_entry_point_offset = 680;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    1800;
+    1840;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -19017,9 +19409,9 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        1480, 1488, 1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560,
-        1568, 1576, 1584, 1592, -1,   -1,   -1,   -1,   1600, 1608, -1,
-        -1,   1616, 1624, 1632, -1,   -1,   -1,   -1,   -1,   -1};
+        1496, 1504, 1512, 1520, 1528, 1536, 1544, 1552, 1560, 1568, 1576,
+        1584, 1592, 1600, 1608, -1,   -1,   -1,   -1,   1616, 1624, -1,
+        -1,   1632, 1640, 1648, -1,   -1,   -1,   -1,   -1,   -1};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
@@ -19359,21 +19751,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     112;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 504;
+    AOT_ObjectStore_suspend_state_await_offset = 508;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 528;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 500;
+    AOT_ObjectStore_suspend_state_init_async_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 516;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 520;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 508;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 532;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 512;
+    AOT_ObjectStore_suspend_state_return_async_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 524;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 516;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 520;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 528;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 540;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 524;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 536;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     12;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 4;
@@ -19410,120 +19808,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 8;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 16;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 400;
+    AOT_Thread_AllocateArray_entry_point_offset = 404;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 856;
+    AOT_Thread_active_exception_offset = 876;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 860;
+    AOT_Thread_active_stacktrace_offset = 880;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 292;
+    AOT_Thread_array_write_barrier_entry_point_offset = 296;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 300;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 304;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 184;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 304;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 308;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 188;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 308;
+    AOT_Thread_allocate_object_entry_point_offset = 312;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 192;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 312;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 316;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 196;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 316;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 320;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 200;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    896;
+    916;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 204;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 364;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 368;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     120;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 116;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 356;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 296;
+    AOT_Thread_call_to_runtime_entry_point_offset = 300;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 140;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    920;
+    944;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 44;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 900;
+    AOT_Thread_double_truncate_round_supported_offset = 920;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 924;
+    AOT_Thread_service_extension_stream_offset = 948;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    336;
+    340;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    248;
+    252;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 340;
+    AOT_Thread_deoptimize_entry_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 252;
+    AOT_Thread_deoptimize_stub_offset = 256;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 380;
+    AOT_Thread_double_abs_address_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 376;
+    AOT_Thread_double_negate_address_offset = 380;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 52;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 272;
+    AOT_Thread_enter_safepoint_stub_offset = 276;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 876;
+    AOT_Thread_execution_state_offset = 896;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 276;
+    AOT_Thread_exit_safepoint_stub_offset = 280;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 280;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 284;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 284;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 288;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 344;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 348;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 132;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 392;
+    AOT_Thread_float_absolute_address_offset = 396;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 388;
+    AOT_Thread_float_negate_address_offset = 392;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 384;
+    AOT_Thread_float_not_address_offset = 388;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 396;
+    AOT_Thread_float_zerow_address_offset = 400;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 864;
+    AOT_Thread_global_object_pool_offset = 884;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 136;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 892;
+    AOT_Thread_exit_through_ffi_offset = 912;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 40;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    928;
+    952;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 64;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 256;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 260;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 260;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 264;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 268;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 272;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 80;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 328;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 332;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 332;
+    AOT_Thread_switchable_call_miss_entry_offset = 336;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 232;
+    AOT_Thread_switchable_call_miss_stub_offset = 236;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 360;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 364;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 148;
 static constexpr dart::compiler::target::word
@@ -19553,19 +19951,21 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 220;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 212;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 224;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     112;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 368;
-static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset = 868;
+    AOT_Thread_predefined_symbols_address_offset = 372;
+static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset = 888;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 872;
+    AOT_Thread_saved_shadow_call_stack_offset = 892;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 880;
+    AOT_Thread_safepoint_state_offset = 900;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 264;
+    AOT_Thread_slow_type_test_stub_offset = 268;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 352;
+    AOT_Thread_slow_type_test_entry_point_offset = 356;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     28;
 static constexpr dart::compiler::target::word
@@ -19573,31 +19973,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 60;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 324;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 328;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 228;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 320;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 324;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 224;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 228;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 76;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 828;
+    AOT_Thread_suspend_state_await_entry_point_offset = 836;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 824;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 832;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 832;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 840;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 836;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 844;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 840;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 848;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 844;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 852;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 848;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 856;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 852;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 860;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 864;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 868;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 872;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 48;
@@ -19609,19 +20015,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 104;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 288;
+    AOT_Thread_write_barrier_entry_point_offset = 292;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 32;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 36;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    884;
+    904;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 888;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 904;
+    AOT_Thread_callback_stack_return_offset = 908;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 928;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 348;
+    AOT_Thread_jump_to_frame_entry_point_offset = 352;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    912;
+    936;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -19734,9 +20140,9 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     4, 12, 8, 16};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        -1,  -1,  -1, -1, -1, 752, 756, 760, -1,  -1,  764,
-        768, 772, -1, -1, -1, 776, 780, 784, 788, 792, 796,
-        800, 804, -1, -1, -1, -1,  808, 812, 816, 820};
+        -1,  -1,  -1, -1, -1, 760, 764, 768, -1,  -1,  772,
+        776, 780, -1, -1, -1, 784, 788, 792, 796, 800, 804,
+        808, 812, -1, -1, -1, -1,  816, 820, 824, 828};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     12;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 8;
@@ -20077,21 +20483,27 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word AOT_ObjectStore_type_type_offset =
     224;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_await_offset = 1008;
+    AOT_ObjectStore_suspend_state_await_offset = 1016;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_handle_exception_offset = 1056;
+    AOT_ObjectStore_suspend_state_handle_exception_offset = 1088;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_offset = 1000;
+    AOT_ObjectStore_suspend_state_init_async_offset = 1008;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_init_async_star_offset = 1032;
+    AOT_ObjectStore_suspend_state_init_async_star_offset = 1040;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_offset = 1016;
+    AOT_ObjectStore_suspend_state_init_sync_star_offset = 1064;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1024;
+    AOT_ObjectStore_suspend_state_return_async_offset = 1024;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_return_async_star_offset = 1048;
+    AOT_ObjectStore_suspend_state_return_async_not_future_offset = 1032;
 static constexpr dart::compiler::target::word
-    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1040;
+    AOT_ObjectStore_suspend_state_return_async_star_offset = 1056;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_return_sync_star_offset = 1080;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_async_star_offset = 1048;
+static constexpr dart::compiler::target::word
+    AOT_ObjectStore_suspend_state_yield_sync_star_offset = 1072;
 static constexpr dart::compiler::target::word AOT_OneByteString_data_offset =
     16;
 static constexpr dart::compiler::target::word AOT_PointerBase_data_offset = 8;
@@ -20128,120 +20540,120 @@ static constexpr dart::compiler::target::word AOT_SuspendState_pc_offset = 16;
 static constexpr dart::compiler::target::word
     AOT_SuspendState_then_callback_offset = 32;
 static constexpr dart::compiler::target::word
-    AOT_Thread_AllocateArray_entry_point_offset = 776;
+    AOT_Thread_AllocateArray_entry_point_offset = 784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_exception_offset = 1688;
+    AOT_Thread_active_exception_offset = 1728;
 static constexpr dart::compiler::target::word
-    AOT_Thread_active_stacktrace_offset = 1696;
+    AOT_Thread_active_stacktrace_offset = 1736;
 static constexpr dart::compiler::target::word
-    AOT_Thread_array_write_barrier_entry_point_offset = 560;
+    AOT_Thread_array_write_barrier_entry_point_offset = 568;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 576;
+    AOT_Thread_allocate_mint_with_fpu_regs_entry_point_offset = 584;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_with_fpu_regs_stub_offset = 344;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 584;
+    AOT_Thread_allocate_mint_without_fpu_regs_entry_point_offset = 592;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_mint_without_fpu_regs_stub_offset = 352;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_entry_point_offset = 592;
+    AOT_Thread_allocate_object_entry_point_offset = 600;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_stub_offset = 360;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_parameterized_entry_point_offset = 600;
+    AOT_Thread_allocate_object_parameterized_entry_point_offset = 608;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_parameterized_stub_offset = 368;
 static constexpr dart::compiler::target::word
-    AOT_Thread_allocate_object_slow_entry_point_offset = 608;
+    AOT_Thread_allocate_object_slow_entry_point_offset = 616;
 static constexpr dart::compiler::target::word
     AOT_Thread_allocate_object_slow_stub_offset = 376;
 static constexpr dart::compiler::target::word AOT_Thread_api_top_scope_offset =
-    1768;
+    1808;
 static constexpr dart::compiler::target::word
     AOT_Thread_async_exception_handler_stub_offset = 384;
 static constexpr dart::compiler::target::word
-    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 704;
+    AOT_Thread_auto_scope_native_wrapper_entry_point_offset = 712;
 static constexpr dart::compiler::target::word AOT_Thread_bool_false_offset =
     216;
 static constexpr dart::compiler::target::word AOT_Thread_bool_true_offset = 208;
 static constexpr dart::compiler::target::word
-    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 688;
+    AOT_Thread_bootstrap_native_wrapper_entry_point_offset = 696;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_to_runtime_entry_point_offset = 568;
+    AOT_Thread_call_to_runtime_entry_point_offset = 576;
 static constexpr dart::compiler::target::word
     AOT_Thread_call_to_runtime_stub_offset = 256;
 static constexpr dart::compiler::target::word AOT_Thread_dart_stream_offset =
-    1808;
+    1848;
 static constexpr dart::compiler::target::word
     AOT_Thread_dispatch_table_array_offset = 88;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_truncate_round_supported_offset = 1776;
+    AOT_Thread_double_truncate_round_supported_offset = 1816;
 static constexpr dart::compiler::target::word
-    AOT_Thread_service_extension_stream_offset = 1816;
+    AOT_Thread_service_extension_stream_offset = 1856;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_entry_offset =
-    648;
+    656;
 static constexpr dart::compiler::target::word AOT_Thread_optimize_stub_offset =
-    472;
+    480;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_entry_offset = 656;
+    AOT_Thread_deoptimize_entry_offset = 664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_deoptimize_stub_offset = 480;
+    AOT_Thread_deoptimize_stub_offset = 488;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_abs_address_offset = 736;
+    AOT_Thread_double_abs_address_offset = 744;
 static constexpr dart::compiler::target::word
-    AOT_Thread_double_negate_address_offset = 728;
+    AOT_Thread_double_negate_address_offset = 736;
 static constexpr dart::compiler::target::word AOT_Thread_end_offset = 104;
 static constexpr dart::compiler::target::word
-    AOT_Thread_enter_safepoint_stub_offset = 520;
+    AOT_Thread_enter_safepoint_stub_offset = 528;
 static constexpr dart::compiler::target::word
-    AOT_Thread_execution_state_offset = 1728;
+    AOT_Thread_execution_state_offset = 1768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_stub_offset = 528;
+    AOT_Thread_exit_safepoint_stub_offset = 536;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 536;
+    AOT_Thread_exit_safepoint_ignore_unwind_in_progress_stub_offset = 544;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_stub_offset = 544;
+    AOT_Thread_call_native_through_safepoint_stub_offset = 552;
 static constexpr dart::compiler::target::word
-    AOT_Thread_call_native_through_safepoint_entry_point_offset = 664;
+    AOT_Thread_call_native_through_safepoint_entry_point_offset = 672;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_allocation_stub_code_offset = 240;
 static constexpr dart::compiler::target::word
     AOT_Thread_fix_callers_target_code_offset = 232;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_absolute_address_offset = 760;
+    AOT_Thread_float_absolute_address_offset = 768;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_negate_address_offset = 752;
+    AOT_Thread_float_negate_address_offset = 760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_not_address_offset = 744;
+    AOT_Thread_float_not_address_offset = 752;
 static constexpr dart::compiler::target::word
-    AOT_Thread_float_zerow_address_offset = 768;
+    AOT_Thread_float_zerow_address_offset = 776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_global_object_pool_offset = 1704;
+    AOT_Thread_global_object_pool_offset = 1744;
 static constexpr dart::compiler::target::word
     AOT_Thread_invoke_dart_code_stub_offset = 248;
 static constexpr dart::compiler::target::word
-    AOT_Thread_exit_through_ffi_offset = 1760;
+    AOT_Thread_exit_through_ffi_offset = 1800;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_offset = 80;
 static constexpr dart::compiler::target::word AOT_Thread_isolate_group_offset =
-    1824;
+    1864;
 static constexpr dart::compiler::target::word
     AOT_Thread_field_table_values_offset = 128;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_return_stub_offset = 488;
+    AOT_Thread_lazy_deopt_from_return_stub_offset = 496;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_deopt_from_throw_stub_offset = 496;
+    AOT_Thread_lazy_deopt_from_throw_stub_offset = 504;
 static constexpr dart::compiler::target::word
-    AOT_Thread_lazy_specialize_type_test_stub_offset = 512;
+    AOT_Thread_lazy_specialize_type_test_stub_offset = 520;
 static constexpr dart::compiler::target::word
     AOT_Thread_marking_stack_block_offset = 160;
 static constexpr dart::compiler::target::word
-    AOT_Thread_megamorphic_call_checked_entry_offset = 632;
+    AOT_Thread_megamorphic_call_checked_entry_offset = 640;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_entry_offset = 640;
+    AOT_Thread_switchable_call_miss_entry_offset = 648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_switchable_call_miss_stub_offset = 440;
+    AOT_Thread_switchable_call_miss_stub_offset = 448;
 static constexpr dart::compiler::target::word
-    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 696;
+    AOT_Thread_no_scope_native_wrapper_entry_point_offset = 704;
 static constexpr dart::compiler::target::word
     AOT_Thread_late_initialization_error_shared_with_fpu_regs_stub_offset = 272;
 static constexpr dart::compiler::target::word
@@ -20271,20 +20683,22 @@ static constexpr dart::compiler::target::word
     AOT_Thread_return_async_star_stub_offset = 416;
 static constexpr dart::compiler::target::word
     AOT_Thread_return_async_stub_offset = 400;
+static constexpr dart::compiler::target::word
+    AOT_Thread_return_sync_star_stub_offset = 424;
 static constexpr dart::compiler::target::word AOT_Thread_object_null_offset =
     200;
 static constexpr dart::compiler::target::word
-    AOT_Thread_predefined_symbols_address_offset = 712;
+    AOT_Thread_predefined_symbols_address_offset = 720;
 static constexpr dart::compiler::target::word AOT_Thread_resume_pc_offset =
-    1712;
+    1752;
 static constexpr dart::compiler::target::word
-    AOT_Thread_saved_shadow_call_stack_offset = 1720;
+    AOT_Thread_saved_shadow_call_stack_offset = 1760;
 static constexpr dart::compiler::target::word
-    AOT_Thread_safepoint_state_offset = 1736;
+    AOT_Thread_safepoint_state_offset = 1776;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_stub_offset = 504;
+    AOT_Thread_slow_type_test_stub_offset = 512;
 static constexpr dart::compiler::target::word
-    AOT_Thread_slow_type_test_entry_point_offset = 680;
+    AOT_Thread_slow_type_test_entry_point_offset = 688;
 static constexpr dart::compiler::target::word AOT_Thread_stack_limit_offset =
     56;
 static constexpr dart::compiler::target::word
@@ -20292,31 +20706,37 @@ static constexpr dart::compiler::target::word
 static constexpr dart::compiler::target::word
     AOT_Thread_stack_overflow_flags_offset = 120;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 624;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_entry_point_offset = 632;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 432;
+    AOT_Thread_stack_overflow_shared_with_fpu_regs_stub_offset = 440;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 616;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_entry_point_offset = 624;
 static constexpr dart::compiler::target::word
-    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 424;
+    AOT_Thread_stack_overflow_shared_without_fpu_regs_stub_offset = 432;
 static constexpr dart::compiler::target::word
     AOT_Thread_store_buffer_block_offset = 152;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_await_entry_point_offset = 1632;
+    AOT_Thread_suspend_state_await_entry_point_offset = 1648;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_entry_point_offset = 1624;
+    AOT_Thread_suspend_state_init_async_entry_point_offset = 1640;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_entry_point_offset = 1640;
+    AOT_Thread_suspend_state_return_async_entry_point_offset = 1656;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1648;
+    AOT_Thread_suspend_state_return_async_not_future_entry_point_offset = 1664;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1656;
+    AOT_Thread_suspend_state_init_async_star_entry_point_offset = 1672;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1664;
+    AOT_Thread_suspend_state_yield_async_star_entry_point_offset = 1680;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1672;
+    AOT_Thread_suspend_state_return_async_star_entry_point_offset = 1688;
 static constexpr dart::compiler::target::word
-    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1680;
+    AOT_Thread_suspend_state_init_sync_star_entry_point_offset = 1696;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_yield_sync_star_entry_point_offset = 1704;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_return_sync_star_entry_point_offset = 1712;
+static constexpr dart::compiler::target::word
+    AOT_Thread_suspend_state_handle_exception_entry_point_offset = 1720;
 static constexpr dart::compiler::target::word
     AOT_Thread_top_exit_frame_info_offset = 144;
 static constexpr dart::compiler::target::word AOT_Thread_top_offset = 96;
@@ -20328,19 +20748,19 @@ static constexpr dart::compiler::target::word
     AOT_Thread_unboxed_double_runtime_arg_offset = 192;
 static constexpr dart::compiler::target::word AOT_Thread_vm_tag_offset = 176;
 static constexpr dart::compiler::target::word
-    AOT_Thread_write_barrier_entry_point_offset = 552;
+    AOT_Thread_write_barrier_entry_point_offset = 560;
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_mask_offset = 64;
 static constexpr dart::compiler::target::word AOT_Thread_heap_base_offset = 72;
 static constexpr dart::compiler::target::word AOT_Thread_callback_code_offset =
-    1744;
+    1784;
 static constexpr dart::compiler::target::word
-    AOT_Thread_callback_stack_return_offset = 1752;
-static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1784;
+    AOT_Thread_callback_stack_return_offset = 1792;
+static constexpr dart::compiler::target::word AOT_Thread_random_offset = 1824;
 static constexpr dart::compiler::target::word
-    AOT_Thread_jump_to_frame_entry_point_offset = 672;
+    AOT_Thread_jump_to_frame_entry_point_offset = 680;
 static constexpr dart::compiler::target::word AOT_Thread_tsan_utils_offset =
-    1792;
+    1832;
 static constexpr dart::compiler::target::word
     AOT_TsanUtils_setjmp_function_offset = 0;
 static constexpr dart::compiler::target::word
@@ -20454,9 +20874,9 @@ static constexpr dart::compiler::target::word AOT_Code_entry_point_offset[] = {
     8, 24, 16, 32};
 static constexpr dart::compiler::target::word
     AOT_Thread_write_barrier_wrappers_thread_offset[] = {
-        -1,   -1,   -1, -1, -1, 1480, 1488, 1496, -1,   -1,   1504,
-        1512, 1520, -1, -1, -1, 1528, 1536, 1544, 1552, 1560, 1568,
-        1576, 1584, -1, -1, -1, -1,   1592, 1600, 1608, 1616};
+        -1,   -1,   -1, -1, -1, 1496, 1504, 1512, -1,   -1,   1520,
+        1528, 1536, -1, -1, -1, 1544, 1552, 1560, 1568, 1576, 1584,
+        1592, 1600, -1, -1, -1, -1,   1608, 1616, 1624, 1632};
 static constexpr dart::compiler::target::word AOT_AbstractType_InstanceSize =
     24;
 static constexpr dart::compiler::target::word AOT_ApiError_InstanceSize = 16;
diff --git a/runtime/vm/compiler/runtime_offsets_list.h b/runtime/vm/compiler/runtime_offsets_list.h
index d4b23a48d99..4b3ba6c2fa9 100644
--- a/runtime/vm/compiler/runtime_offsets_list.h
+++ b/runtime/vm/compiler/runtime_offsets_list.h
@@ -181,10 +181,13 @@
   FIELD(ObjectStore, suspend_state_handle_exception_offset)                    \
   FIELD(ObjectStore, suspend_state_init_async_offset)                          \
   FIELD(ObjectStore, suspend_state_init_async_star_offset)                     \
+  FIELD(ObjectStore, suspend_state_init_sync_star_offset)                      \
   FIELD(ObjectStore, suspend_state_return_async_offset)                        \
   FIELD(ObjectStore, suspend_state_return_async_not_future_offset)             \
   FIELD(ObjectStore, suspend_state_return_async_star_offset)                   \
+  FIELD(ObjectStore, suspend_state_return_sync_star_offset)                    \
   FIELD(ObjectStore, suspend_state_yield_async_star_offset)                    \
+  FIELD(ObjectStore, suspend_state_yield_sync_star_offset)                     \
   FIELD(OneByteString, data_offset)                                            \
   FIELD(PointerBase, data_offset)                                              \
   FIELD(Pointer, type_arguments_offset)                                        \
@@ -278,6 +281,7 @@
   FIELD(Thread, return_async_not_future_stub_offset)                           \
   FIELD(Thread, return_async_star_stub_offset)                                 \
   FIELD(Thread, return_async_stub_offset)                                      \
+  FIELD(Thread, return_sync_star_stub_offset)                                  \
                                                                                \
   FIELD(Thread, object_null_offset)                                            \
   FIELD(Thread, predefined_symbols_address_offset)                             \
@@ -302,6 +306,9 @@
   FIELD(Thread, suspend_state_init_async_star_entry_point_offset)              \
   FIELD(Thread, suspend_state_yield_async_star_entry_point_offset)             \
   FIELD(Thread, suspend_state_return_async_star_entry_point_offset)            \
+  FIELD(Thread, suspend_state_init_sync_star_entry_point_offset)               \
+  FIELD(Thread, suspend_state_yield_sync_star_entry_point_offset)              \
+  FIELD(Thread, suspend_state_return_sync_star_entry_point_offset)             \
   FIELD(Thread, suspend_state_handle_exception_entry_point_offset)             \
   FIELD(Thread, top_exit_frame_info_offset)                                    \
   FIELD(Thread, top_offset)                                                    \
diff --git a/runtime/vm/compiler/stub_code_compiler.cc b/runtime/vm/compiler/stub_code_compiler.cc
index 213650a96dd..7dbc578eb9d 100644
--- a/runtime/vm/compiler/stub_code_compiler.cc
+++ b/runtime/vm/compiler/stub_code_compiler.cc
@@ -1298,6 +1298,85 @@ static void CallDartCoreLibraryFunction(
   }
 }
 
+// Helper to generate allocation of _SuspendState instance.
+// Initializes tags, frame_capacity and frame_size.
+// Other fields are not initialized.
+//
+// Input:
+//   frame_size_reg: size of the frame payload in bytes.
+// Output:
+//   result_reg: allocated instance.
+// Clobbers:
+//   result_reg, temp_reg.
+static void GenerateAllocateSuspendState(Assembler* assembler,
+                                         Label* slow_case,
+                                         Register result_reg,
+                                         Register frame_size_reg,
+                                         Register temp_reg) {
+  // Check for allocation tracing.
+  NOT_IN_PRODUCT(
+      __ MaybeTraceAllocation(kSuspendStateCid, slow_case, temp_reg));
+
+  // Compute the rounded instance size.
+  const intptr_t fixed_size_plus_alignment_padding =
+      (target::SuspendState::HeaderSize() +
+       target::SuspendState::FrameSizeGrowthGap() * target::kWordSize +
+       target::ObjectAlignment::kObjectAlignment - 1);
+  __ AddImmediate(temp_reg, frame_size_reg, fixed_size_plus_alignment_padding);
+  __ AndImmediate(temp_reg, -target::ObjectAlignment::kObjectAlignment);
+
+  // Now allocate the object.
+  __ LoadFromOffset(result_reg, Address(THR, target::Thread::top_offset()));
+  __ AddRegisters(temp_reg, result_reg);
+  // Check if the allocation fits into the remaining space.
+  __ CompareWithMemoryValue(temp_reg,
+                            Address(THR, target::Thread::end_offset()));
+  __ BranchIf(UNSIGNED_GREATER_EQUAL, slow_case);
+
+  // Successfully allocated the object, now update top to point to
+  // next object start and initialize the object.
+  __ StoreToOffset(temp_reg, Address(THR, target::Thread::top_offset()));
+  __ SubRegisters(temp_reg, result_reg);
+  __ AddImmediate(result_reg, kHeapObjectTag);
+
+  if (!FLAG_precompiled_mode) {
+    // Use rounded object size to calculate and save frame capacity.
+    __ AddImmediate(temp_reg, temp_reg,
+                    -target::SuspendState::payload_offset());
+    __ StoreToOffset(
+        temp_reg, FieldAddress(result_reg,
+                               target::SuspendState::frame_capacity_offset()));
+    // Restore rounded object size.
+    __ AddImmediate(temp_reg, temp_reg, target::SuspendState::payload_offset());
+  }
+
+  // Calculate the size tag.
+  {
+    Label size_tag_overflow, done;
+    __ CompareImmediate(temp_reg, target::UntaggedObject::kSizeTagMaxSizeTag);
+    __ BranchIf(UNSIGNED_GREATER, &size_tag_overflow, Assembler::kNearJump);
+    __ LslImmediate(temp_reg,
+                    target::UntaggedObject::kTagBitsSizeTagPos -
+                        target::ObjectAlignment::kObjectAlignmentLog2);
+    __ Jump(&done, Assembler::kNearJump);
+
+    __ Bind(&size_tag_overflow);
+    // Set overflow size tag value.
+    __ LoadImmediate(temp_reg, 0);
+
+    __ Bind(&done);
+    uword tags = target::MakeTagWordForNewSpaceObject(kSuspendStateCid, 0);
+    __ OrImmediate(temp_reg, tags);
+    __ StoreToOffset(
+        temp_reg,
+        FieldAddress(result_reg, target::Object::tags_offset()));  // Tags.
+  }
+
+  __ StoreToOffset(
+      frame_size_reg,
+      FieldAddress(result_reg, target::SuspendState::frame_size_offset()));
+}
+
 void StubCodeCompiler::GenerateSuspendStub(
     Assembler* assembler,
     intptr_t suspend_entry_point_offset_in_thread,
@@ -1350,65 +1429,9 @@ void StubCodeCompiler::GenerateSuspendStub(
   __ Comment("Allocate SuspendState");
   __ MoveRegister(kFunctionData, kSuspendState);
 
-  // Check for allocation tracing.
-  NOT_IN_PRODUCT(
-      __ MaybeTraceAllocation(kSuspendStateCid, &alloc_slow_case, kTemp));
+  GenerateAllocateSuspendState(assembler, &alloc_slow_case, kSuspendState,
+                               kFrameSize, kTemp);
 
-  // Compute the rounded instance size.
-  const intptr_t fixed_size_plus_alignment_padding =
-      (target::SuspendState::HeaderSize() +
-       target::SuspendState::FrameSizeGrowthGap() * target::kWordSize +
-       target::ObjectAlignment::kObjectAlignment - 1);
-  __ AddImmediate(kTemp, kFrameSize, fixed_size_plus_alignment_padding);
-  __ AndImmediate(kTemp, -target::ObjectAlignment::kObjectAlignment);
-
-  // Now allocate the object.
-  __ LoadFromOffset(kSuspendState, Address(THR, target::Thread::top_offset()));
-  __ AddRegisters(kTemp, kSuspendState);
-  // Check if the allocation fits into the remaining space.
-  __ CompareWithMemoryValue(kTemp, Address(THR, target::Thread::end_offset()));
-  __ BranchIf(UNSIGNED_GREATER_EQUAL, &alloc_slow_case);
-
-  // Successfully allocated the object, now update top to point to
-  // next object start and initialize the object.
-  __ StoreToOffset(kTemp, Address(THR, target::Thread::top_offset()));
-  __ SubRegisters(kTemp, kSuspendState);
-  __ AddImmediate(kSuspendState, kHeapObjectTag);
-
-  if (!FLAG_precompiled_mode) {
-    // Use rounded object size to calculate and save frame capacity.
-    __ AddImmediate(kTemp, kTemp, -target::SuspendState::payload_offset());
-    __ StoreToOffset(
-        kTemp, FieldAddress(kSuspendState,
-                            target::SuspendState::frame_capacity_offset()));
-    // Restore rounded object size.
-    __ AddImmediate(kTemp, kTemp, target::SuspendState::payload_offset());
-  }
-
-  // Calculate the size tag.
-  {
-    Label size_tag_overflow, done;
-    __ CompareImmediate(kTemp, target::UntaggedObject::kSizeTagMaxSizeTag);
-    __ BranchIf(UNSIGNED_GREATER, &size_tag_overflow, Assembler::kNearJump);
-    __ LslImmediate(kTemp, target::UntaggedObject::kTagBitsSizeTagPos -
-                               target::ObjectAlignment::kObjectAlignmentLog2);
-    __ Jump(&done, Assembler::kNearJump);
-
-    __ Bind(&size_tag_overflow);
-    // Set overflow size tag value.
-    __ LoadImmediate(kTemp, 0);
-
-    __ Bind(&done);
-    uword tags = target::MakeTagWordForNewSpaceObject(kSuspendStateCid, 0);
-    __ OrImmediate(kTemp, tags);
-    __ StoreToOffset(
-        kTemp,
-        FieldAddress(kSuspendState, target::Object::tags_offset()));  // Tags.
-  }
-
-  __ StoreToOffset(
-      kFrameSize,
-      FieldAddress(kSuspendState, target::SuspendState::frame_size_offset()));
   __ StoreCompressedIntoObjectNoBarrier(
       kSuspendState,
       FieldAddress(kSuspendState, target::SuspendState::function_data_offset()),
@@ -1592,6 +1615,13 @@ void StubCodeCompiler::GenerateYieldAsyncStarStub(Assembler* assembler) {
       target::ObjectStore::suspend_state_yield_async_star_offset());
 }
 
+void StubCodeCompiler::GenerateYieldSyncStarStub(Assembler* assembler) {
+  GenerateSuspendStub(
+      assembler,
+      target::Thread::suspend_state_yield_sync_star_entry_point_offset(),
+      target::ObjectStore::suspend_state_yield_sync_star_offset());
+}
+
 void StubCodeCompiler::GenerateInitSuspendableFunctionStub(
     Assembler* assembler,
     intptr_t init_entry_point_offset_in_thread,
@@ -1626,6 +1656,13 @@ void StubCodeCompiler::GenerateInitAsyncStarStub(Assembler* assembler) {
       target::ObjectStore::suspend_state_init_async_star_offset());
 }
 
+void StubCodeCompiler::GenerateInitSyncStarStub(Assembler* assembler) {
+  GenerateInitSuspendableFunctionStub(
+      assembler,
+      target::Thread::suspend_state_init_sync_star_entry_point_offset(),
+      target::ObjectStore::suspend_state_init_sync_star_offset());
+}
+
 void StubCodeCompiler::GenerateResumeStub(Assembler* assembler) {
   const Register kSuspendState = ResumeStubABI::kSuspendStateReg;
   const Register kTemp = ResumeStubABI::kTempReg;
@@ -1864,6 +1901,14 @@ void StubCodeCompiler::GenerateReturnAsyncStarStub(Assembler* assembler) {
       target::Thread::return_async_star_stub_offset());
 }
 
+void StubCodeCompiler::GenerateReturnSyncStarStub(Assembler* assembler) {
+  GenerateReturnStub(
+      assembler,
+      target::Thread::suspend_state_return_sync_star_entry_point_offset(),
+      target::ObjectStore::suspend_state_return_sync_star_offset(),
+      target::Thread::return_sync_star_stub_offset());
+}
+
 void StubCodeCompiler::GenerateAsyncExceptionHandlerStub(Assembler* assembler) {
   const Register kSuspendState = AsyncExceptionHandlerStubABI::kSuspendStateReg;
   ASSERT(kSuspendState != kExceptionObjectReg);
@@ -1915,6 +1960,102 @@ void StubCodeCompiler::GenerateAsyncExceptionHandlerStub(Assembler* assembler) {
   __ Breakpoint();
 }
 
+void StubCodeCompiler::GenerateCloneSuspendStateStub(Assembler* assembler) {
+  const Register kSource = CloneSuspendStateStubABI::kSourceReg;
+  const Register kDestination = CloneSuspendStateStubABI::kDestinationReg;
+  const Register kTemp = CloneSuspendStateStubABI::kTempReg;
+  const Register kFrameSize = CloneSuspendStateStubABI::kFrameSizeReg;
+  const Register kSrcFrame = CloneSuspendStateStubABI::kSrcFrameReg;
+  const Register kDstFrame = CloneSuspendStateStubABI::kDstFrameReg;
+  Label alloc_slow_case;
+
+#ifdef DEBUG
+  {
+    // Can only clone _SuspendState objects with copied frames.
+    Label okay;
+    __ LoadFromOffset(kTemp,
+                      FieldAddress(kSource, target::SuspendState::pc_offset()));
+    __ CompareImmediate(kTemp, 0);
+    __ BranchIf(NOT_EQUAL, &okay);
+    __ Breakpoint();
+    __ Bind(&okay);
+  }
+#endif
+
+  __ LoadFromOffset(
+      kFrameSize,
+      FieldAddress(kSource, target::SuspendState::frame_size_offset()));
+
+  GenerateAllocateSuspendState(assembler, &alloc_slow_case, kDestination,
+                               kFrameSize, kTemp);
+
+  // Copy pc.
+  __ LoadFromOffset(kTemp,
+                    FieldAddress(kSource, target::SuspendState::pc_offset()));
+  __ StoreToOffset(
+      kTemp, FieldAddress(kDestination, target::SuspendState::pc_offset()));
+
+  // Copy function_data.
+  __ LoadCompressedFieldFromOffset(
+      kTemp, kSource, target::SuspendState::function_data_offset());
+  __ StoreCompressedIntoObjectNoBarrier(
+      kDestination,
+      FieldAddress(kDestination, target::SuspendState::function_data_offset()),
+      kTemp);
+
+  // Copy then_callback.
+  __ LoadCompressedFieldFromOffset(
+      kTemp, kSource, target::SuspendState::then_callback_offset());
+  __ StoreCompressedIntoObjectNoBarrier(
+      kDestination,
+      FieldAddress(kDestination, target::SuspendState::then_callback_offset()),
+      kTemp);
+
+  // Copy error_callback.
+  __ LoadCompressedFieldFromOffset(
+      kTemp, kSource, target::SuspendState::error_callback_offset());
+  __ StoreCompressedIntoObjectNoBarrier(
+      kDestination,
+      FieldAddress(kDestination, target::SuspendState::error_callback_offset()),
+      kTemp);
+
+  // Copy payload frame.
+  if (kSrcFrame == THR) {
+    __ PushRegister(THR);
+  }
+  const uword offset = target::SuspendState::payload_offset() - kHeapObjectTag;
+  __ AddImmediate(kSrcFrame, kSource, offset);
+  __ AddImmediate(kDstFrame, kDestination, offset);
+  __ CopyMemoryWords(kSrcFrame, kDstFrame, kFrameSize, kTemp);
+  if (kSrcFrame == THR) {
+    __ PopRegister(THR);
+  }
+
+  // Update value of :suspend_state variable in the copied frame
+  // for the new SuspendState.
+  __ LoadFromOffset(
+      kTemp,
+      FieldAddress(kDestination, target::SuspendState::frame_size_offset()));
+  __ AddRegisters(kTemp, kDestination);
+  __ StoreToOffset(kDestination,
+                   FieldAddress(kTemp, target::SuspendState::payload_offset() +
+                                           SuspendStateFpOffset()));
+
+  __ MoveRegister(CallingConventions::kReturnReg, kDestination);
+  __ Ret();
+
+  __ Bind(&alloc_slow_case);
+  __ Comment("CloneSuspendState slow case");
+  __ EnterStubFrame();
+  __ PushObject(NullObject());  // Make space on stack for the return value.
+  __ PushRegister(kSource);
+  __ CallRuntime(kCloneSuspendStateRuntimeEntry, 1);
+  __ Drop(1);                                      // Drop argument
+  __ PopRegister(CallingConventions::kReturnReg);  // Get result.
+  __ LeaveStubFrame();
+  __ Ret();
+}
+
 }  // namespace compiler
 
 }  // namespace dart
diff --git a/runtime/vm/constants_arm.h b/runtime/vm/constants_arm.h
index 650f51848df..c2fc343e4f9 100644
--- a/runtime/vm/constants_arm.h
+++ b/runtime/vm/constants_arm.h
@@ -533,7 +533,7 @@ struct DoubleToIntegerStubABI {
   static const Register kResultReg = R0;
 };
 
-// ABI for SuspendStub (AwaitStub, YieldAsyncStarStub).
+// ABI for SuspendStub (AwaitStub, YieldAsyncStarStub, YieldSyncStarStub).
 struct SuspendStubABI {
   static const Register kArgumentReg = R0;
   static const Register kTempReg = R1;
@@ -544,7 +544,8 @@ struct SuspendStubABI {
   static const Register kDstFrameReg = R9;
 };
 
-// ABI for InitSuspendableFunctionStub (InitAsyncStub, InitAsyncStarStub).
+// ABI for InitSuspendableFunctionStub (InitAsyncStub, InitAsyncStarStub,
+// InitSyncStarStub).
 struct InitSuspendableFunctionStubABI {
   static const Register kTypeArgsReg = R0;
 };
@@ -566,7 +567,7 @@ struct ResumeStubABI {
 };
 
 // ABI for ReturnStub (ReturnAsyncStub, ReturnAsyncNotFutureStub,
-// ReturnAsyncStarStub).
+// ReturnAsyncStarStub, ReturnSyncStarStub).
 struct ReturnStubABI {
   static const Register kSuspendStateReg = R2;
 };
@@ -576,6 +577,16 @@ struct AsyncExceptionHandlerStubABI {
   static const Register kSuspendStateReg = R2;
 };
 
+// ABI for CloneSuspendStateStub.
+struct CloneSuspendStateStubABI {
+  static const Register kSourceReg = R0;
+  static const Register kDestinationReg = R1;
+  static const Register kTempReg = R2;
+  static const Register kFrameSizeReg = R3;
+  static const Register kSrcFrameReg = R4;
+  static const Register kDstFrameReg = R8;
+};
+
 // ABI for DispatchTableNullErrorStub and consequently for all dispatch
 // table calls (though normal functions will not expect or use this
 // register). This ABI is added to distinguish memory corruption errors from
diff --git a/runtime/vm/constants_arm64.h b/runtime/vm/constants_arm64.h
index fea118eefc2..a6cfa137256 100644
--- a/runtime/vm/constants_arm64.h
+++ b/runtime/vm/constants_arm64.h
@@ -367,7 +367,7 @@ struct DoubleToIntegerStubABI {
   static const Register kResultReg = R0;
 };
 
-// ABI for SuspendStub (AwaitStub, YieldAsyncStarStub).
+// ABI for SuspendStub (AwaitStub, YieldAsyncStarStub, YieldSyncStarStub).
 struct SuspendStubABI {
   static const Register kArgumentReg = R0;
   static const Register kTempReg = R1;
@@ -378,7 +378,8 @@ struct SuspendStubABI {
   static const Register kDstFrameReg = R6;
 };
 
-// ABI for InitSuspendableFunctionStub (InitAsyncStub, InitAsyncStarStub).
+// ABI for InitSuspendableFunctionStub (InitAsyncStub, InitAsyncStarStub,
+// InitSyncStarStub).
 struct InitSuspendableFunctionStubABI {
   static const Register kTypeArgsReg = R0;
 };
@@ -400,7 +401,7 @@ struct ResumeStubABI {
 };
 
 // ABI for ReturnStub (ReturnAsyncStub, ReturnAsyncNotFutureStub,
-// ReturnAsyncStarStub).
+// ReturnAsyncStarStub, ReturnSyncStarStub).
 struct ReturnStubABI {
   static const Register kSuspendStateReg = R2;
 };
@@ -410,6 +411,16 @@ struct AsyncExceptionHandlerStubABI {
   static const Register kSuspendStateReg = R2;
 };
 
+// ABI for CloneSuspendStateStub.
+struct CloneSuspendStateStubABI {
+  static const Register kSourceReg = R0;
+  static const Register kDestinationReg = R1;
+  static const Register kTempReg = R2;
+  static const Register kFrameSizeReg = R3;
+  static const Register kSrcFrameReg = R4;
+  static const Register kDstFrameReg = R5;
+};
+
 // ABI for DispatchTableNullErrorStub and consequently for all dispatch
 // table calls (though normal functions will not expect or use this
 // register). This ABI is added to distinguish memory corruption errors from
diff --git a/runtime/vm/constants_ia32.h b/runtime/vm/constants_ia32.h
index 335e9b757cc..dbd03752f21 100644
--- a/runtime/vm/constants_ia32.h
+++ b/runtime/vm/constants_ia32.h
@@ -263,7 +263,7 @@ struct DoubleToIntegerStubABI {
   static const Register kResultReg = EAX;
 };
 
-// ABI for SuspendStub (AwaitStub, YieldAsyncStarStub).
+// ABI for SuspendStub (AwaitStub, YieldAsyncStarStub, YieldSyncStarStub).
 struct SuspendStubABI {
   static const Register kArgumentReg = EAX;
   static const Register kTempReg = EDX;
@@ -281,7 +281,8 @@ struct SuspendStubABI {
   static const intptr_t kResumePcDistance = 4;
 };
 
-// ABI for InitSuspendableFunctionStub (InitAsyncStub, InitAsyncStarStub).
+// ABI for InitSuspendableFunctionStub (InitAsyncStub, InitAsyncStarStub,
+// InitSyncStarStub).
 struct InitSuspendableFunctionStubABI {
   static const Register kTypeArgsReg = EAX;
 };
@@ -305,7 +306,7 @@ struct ResumeStubABI {
 };
 
 // ABI for ReturnStub (ReturnAsyncStub, ReturnAsyncNotFutureStub,
-// ReturnAsyncStarStub).
+// ReturnAsyncStarStub, ReturnSyncStarStub).
 struct ReturnStubABI {
   static const Register kSuspendStateReg = EBX;
 };
@@ -315,6 +316,17 @@ struct AsyncExceptionHandlerStubABI {
   static const Register kSuspendStateReg = EBX;
 };
 
+// ABI for CloneSuspendStateStub.
+struct CloneSuspendStateStubABI {
+  static const Register kSourceReg = EAX;
+  static const Register kDestinationReg = EBX;
+  static const Register kTempReg = EDX;
+  static const Register kFrameSizeReg = ECX;
+  // Can reuse THR.
+  static const Register kSrcFrameReg = ESI;
+  static const Register kDstFrameReg = EDI;
+};
+
 // ABI for DispatchTableNullErrorStub and consequently for all dispatch
 // table calls (though normal functions will not expect or use this
 // register). This ABI is added to distinguish memory corruption errors from
diff --git a/runtime/vm/constants_riscv.h b/runtime/vm/constants_riscv.h
index e0730377f1e..8ccc5292e37 100644
--- a/runtime/vm/constants_riscv.h
+++ b/runtime/vm/constants_riscv.h
@@ -377,7 +377,7 @@ struct DoubleToIntegerStubABI {
   static constexpr Register kResultReg = A0;
 };
 
-// ABI for SuspendStub (AwaitStub, YieldAsyncStarStub).
+// ABI for SuspendStub (AwaitStub, YieldAsyncStarStub, YieldSyncStarStub).
 struct SuspendStubABI {
   static const Register kArgumentReg = A0;
   static const Register kTempReg = T0;
@@ -388,7 +388,8 @@ struct SuspendStubABI {
   static const Register kDstFrameReg = T5;
 };
 
-// ABI for InitSuspendableFunctionStub (InitAsyncStub, InitAsyncStarStub).
+// ABI for InitSuspendableFunctionStub (InitAsyncStub, InitAsyncStarStub,
+// InitSyncStarStub).
 struct InitSuspendableFunctionStubABI {
   static const Register kTypeArgsReg = A0;
 };
@@ -410,7 +411,7 @@ struct ResumeStubABI {
 };
 
 // ABI for ReturnStub (ReturnAsyncStub, ReturnAsyncNotFutureStub,
-// ReturnAsyncStarStub).
+// ReturnAsyncStarStub, ReturnSyncStarStub).
 struct ReturnStubABI {
   static const Register kSuspendStateReg = T1;
 };
@@ -420,6 +421,16 @@ struct AsyncExceptionHandlerStubABI {
   static const Register kSuspendStateReg = T1;
 };
 
+// ABI for CloneSuspendStateStub.
+struct CloneSuspendStateStubABI {
+  static const Register kSourceReg = A0;
+  static const Register kDestinationReg = A1;
+  static const Register kTempReg = T0;
+  static const Register kFrameSizeReg = T1;
+  static const Register kSrcFrameReg = T2;
+  static const Register kDstFrameReg = T3;
+};
+
 // ABI for DispatchTableNullErrorStub and consequently for all dispatch
 // table calls (though normal functions will not expect or use this
 // register). This ABI is added to distinguish memory corruption errors from
diff --git a/runtime/vm/constants_x64.h b/runtime/vm/constants_x64.h
index 5128f4322e3..9354ac7341d 100644
--- a/runtime/vm/constants_x64.h
+++ b/runtime/vm/constants_x64.h
@@ -338,7 +338,7 @@ struct DoubleToIntegerStubABI {
   static const Register kResultReg = RAX;
 };
 
-// ABI for SuspendStub (AwaitStub, YieldAsyncStarStub).
+// ABI for SuspendStub (AwaitStub, YieldAsyncStarStub, YieldSyncStarStub).
 struct SuspendStubABI {
   static const Register kArgumentReg = RAX;
   static const Register kTempReg = RDX;
@@ -354,7 +354,8 @@ struct SuspendStubABI {
   static const intptr_t kResumePcDistance = 5;
 };
 
-// ABI for InitSuspendableFunctionStub (InitAsyncStub, InitAsyncStarStub).
+// ABI for InitSuspendableFunctionStub (InitAsyncStub, InitAsyncStarStub,
+// InitSyncStarStub).
 struct InitSuspendableFunctionStubABI {
   static const Register kTypeArgsReg = RAX;
 };
@@ -376,7 +377,7 @@ struct ResumeStubABI {
 };
 
 // ABI for ReturnStub (ReturnAsyncStub, ReturnAsyncNotFutureStub,
-// ReturnAsyncStarStub).
+// ReturnAsyncStarStub, ReturnSyncStarStub).
 struct ReturnStubABI {
   static const Register kSuspendStateReg = RBX;
 };
@@ -386,6 +387,16 @@ struct AsyncExceptionHandlerStubABI {
   static const Register kSuspendStateReg = RBX;
 };
 
+// ABI for CloneSuspendStateStub.
+struct CloneSuspendStateStubABI {
+  static const Register kSourceReg = RAX;
+  static const Register kDestinationReg = RBX;
+  static const Register kTempReg = RDX;
+  static const Register kFrameSizeReg = RCX;
+  static const Register kSrcFrameReg = RSI;
+  static const Register kDstFrameReg = RDI;
+};
+
 // ABI for DispatchTableNullErrorStub and consequently for all dispatch
 // table calls (though normal functions will not expect or use this
 // register). This ABI is added to distinguish memory corruption errors from
diff --git a/runtime/vm/kernel_loader.cc b/runtime/vm/kernel_loader.cc
index e37a681dfd0..54dc5d93c20 100644
--- a/runtime/vm/kernel_loader.cc
+++ b/runtime/vm/kernel_loader.cc
@@ -2049,6 +2049,13 @@ void KernelLoader::LoadProcedure(const Library& library,
     function.set_is_inlinable(false);
     function.set_is_visible(true);
     ASSERT(function.IsCompactAsyncStarFunction());
+  } else if (function_node_helper.async_marker_ ==
+             FunctionNodeHelper::kSyncStar) {
+    function.set_modifier(UntaggedFunction::kSyncGen);
+    function.set_is_debuggable(true);
+    function.set_is_inlinable(false);
+    function.set_is_visible(true);
+    ASSERT(function.IsCompactSyncStarFunction());
   } else {
     ASSERT(function_node_helper.async_marker_ == FunctionNodeHelper::kSync);
     function.set_is_debuggable(function_node_helper.dart_async_marker_ ==
@@ -2074,6 +2081,7 @@ void KernelLoader::LoadProcedure(const Library& library,
     }
     ASSERT(!function.IsCompactAsyncFunction());
     ASSERT(!function.IsCompactAsyncStarFunction());
+    ASSERT(!function.IsCompactSyncStarFunction());
   }
 
   if (!native_name.IsNull()) {
diff --git a/runtime/vm/object.cc b/runtime/vm/object.cc
index 47633fef274..3cc799fa689 100644
--- a/runtime/vm/object.cc
+++ b/runtime/vm/object.cc
@@ -26086,6 +26086,40 @@ SuspendStatePtr SuspendState::New(intptr_t frame_size,
   return result.ptr();
 }
 
+SuspendStatePtr SuspendState::Clone(Thread* thread,
+                                    const SuspendState& src,
+                                    Heap::Space space) {
+  ASSERT(src.pc() != 0);
+  Zone* zone = thread->zone();
+  const intptr_t frame_size = src.frame_size();
+  const SuspendState& dst = SuspendState::Handle(
+      zone,
+      SuspendState::New(frame_size, Instance::Handle(zone, src.function_data()),
+                        space));
+  dst.set_then_callback(Closure::Handle(zone, src.then_callback()));
+  dst.set_error_callback(Closure::Handle(zone, src.error_callback()));
+  {
+    NoSafepointScope no_safepoint;
+    memmove(dst.payload(), src.payload(), frame_size);
+    // Update value of :suspend_state variable in the copied frame.
+    const uword fp = reinterpret_cast<uword>(dst.payload() + frame_size);
+    *reinterpret_cast<ObjectPtr*>(
+        LocalVarAddress(fp, runtime_frame_layout.FrameSlotForVariableIndex(
+                                kSuspendStateVarIndex))) = dst.ptr();
+    dst.set_pc(src.pc());
+    // Trigger write barrier if needed.
+    if (dst.ptr()->IsOldObject()) {
+      if (!dst.untag()->IsRemembered()) {
+        dst.untag()->EnsureInRememberedSet(thread);
+      }
+      if (thread->is_marking()) {
+        thread->DeferredMarkingStackAddObject(dst.ptr());
+      }
+    }
+  }
+  return dst.ptr();
+}
+
 #if !defined(DART_PRECOMPILED_RUNTIME)
 void SuspendState::set_frame_capacity(intptr_t frame_capcity) const {
   ASSERT(frame_capcity >= 0);
@@ -26106,6 +26140,14 @@ void SuspendState::set_function_data(const Instance& function_data) const {
   untag()->set_function_data(function_data.ptr());
 }
 
+void SuspendState::set_then_callback(const Closure& then_callback) const {
+  untag()->set_then_callback(then_callback.ptr());
+}
+
+void SuspendState::set_error_callback(const Closure& error_callback) const {
+  untag()->set_error_callback(error_callback.ptr());
+}
+
 const char* SuspendState::ToCString() const {
   return "SuspendState";
 }
diff --git a/runtime/vm/object.h b/runtime/vm/object.h
index bdb178700d0..1b32e7e1f24 100644
--- a/runtime/vm/object.h
+++ b/runtime/vm/object.h
@@ -3596,11 +3596,18 @@ class Function : public Object {
     return IsAsyncGenerator() && is_debuggable();
   }
 
+  // TODO(dartbug.com/48378): replace this predicate with IsSyncGenerator()
+  // after old sync* functions are removed.
+  bool IsCompactSyncStarFunction() const {
+    return IsSyncGenerator() && is_debuggable();
+  }
+
   // Returns true for functions which execution can be suspended
   // using Suspend/Resume stubs. Such functions have an artificial
   // :suspend_state local variable at the fixed location of the frame.
   bool IsSuspendableFunction() const {
-    return IsCompactAsyncFunction() || IsCompactAsyncStarFunction();
+    return IsCompactAsyncFunction() || IsCompactAsyncStarFunction() ||
+           IsCompactSyncStarFunction();
   }
 
   // Recognise synthetic sync-yielding functions like the inner-most:
@@ -11865,10 +11872,22 @@ class SuspendState : public Instance {
                              const Instance& function_data,
                              Heap::Space space = Heap::kNew);
 
+  // Makes a copy of [src] object.
+  // The object should be holding a suspended frame.
+  static SuspendStatePtr Clone(Thread* thread,
+                               const SuspendState& src,
+                               Heap::Space space = Heap::kNew);
+
   uword pc() const { return untag()->pc_; }
+
+  intptr_t frame_size() const { return untag()->frame_size_; }
+
   InstancePtr function_data() const {
     return untag()->function_data();
   }
+
+  ClosurePtr then_callback() const { return untag()->then_callback(); }
+
   ClosurePtr error_callback() const {
     return untag()->error_callback();
   }
@@ -11886,6 +11905,8 @@ class SuspendState : public Instance {
   void set_then_callback(const Closure& then_callback) const;
   void set_error_callback(const Closure& error_callback) const;
 
+  uint8_t* payload() const { return untag()->payload(); }
+
   FINAL_HEAP_OBJECT_IMPLEMENTATION(SuspendState, Instance);
   friend class Class;
 };
diff --git a/runtime/vm/object_store.cc b/runtime/vm/object_store.cc
index 733ed33ff2e..8bdf2695b73 100644
--- a/runtime/vm/object_store.cc
+++ b/runtime/vm/object_store.cc
@@ -352,10 +352,34 @@ void ObjectStore::InitKnownObjects() {
   ASSERT(!function.IsNull());
   set_suspend_state_return_async_star(function);
 
+  function = cls.LookupFunctionAllowPrivate(Symbols::_initSyncStar());
+  ASSERT(!function.IsNull());
+  set_suspend_state_init_sync_star(function);
+
+  function = cls.LookupFunctionAllowPrivate(Symbols::_yieldSyncStar());
+  ASSERT(!function.IsNull());
+  set_suspend_state_yield_sync_star(function);
+
+  function = cls.LookupFunctionAllowPrivate(Symbols::_returnSyncStar());
+  ASSERT(!function.IsNull());
+  set_suspend_state_return_sync_star(function);
+
   function = cls.LookupFunctionAllowPrivate(Symbols::_handleException());
   ASSERT(!function.IsNull());
   set_suspend_state_handle_exception(function);
 
+  cls = async_lib.LookupClassAllowPrivate(Symbols::_SyncStarIterator());
+  ASSERT(!cls.IsNull());
+  RELEASE_ASSERT(cls.EnsureIsFinalized(thread) == Error::null());
+
+  field = cls.LookupFieldAllowPrivate(Symbols::_current());
+  ASSERT(!field.IsNull());
+  set_sync_star_iterator_current(field);
+
+  field = cls.LookupFieldAllowPrivate(Symbols::_yieldStarIterable());
+  ASSERT(!field.IsNull());
+  set_sync_star_iterator_yield_star_iterable(field);
+
   const Library& core_lib = Library::Handle(zone, core_library());
   cls = core_lib.LookupClassAllowPrivate(Symbols::_CompileTimeError());
   ASSERT(!cls.IsNull());
@@ -383,6 +407,10 @@ void ObjectStore::InitKnownObjects() {
   ASSERT(!cls.IsNull());
   set_expando_class(cls);
 
+  cls = core_lib.LookupClassAllowPrivate(Symbols::Iterable());
+  ASSERT(!cls.IsNull());
+  set_iterable_class(cls);
+
   // Cache the core private functions used for fast instance of checks.
   simple_instance_of_function_ =
       PrivateObjectLookup(Symbols::_simpleInstanceOf());
diff --git a/runtime/vm/object_store.h b/runtime/vm/object_store.h
index bbfe9080825..02a3f48061e 100644
--- a/runtime/vm/object_store.h
+++ b/runtime/vm/object_store.h
@@ -126,6 +126,7 @@ class ObjectPointerVisitor;
   RW(Class, float64x2_class)                                                   \
   RW(Class, error_class)                                                       \
   RW(Class, expando_class)                                                     \
+  RW(Class, iterable_class)                                                    \
   RW(Class, weak_property_class)                                               \
   RW(Class, weak_reference_class)                                              \
   RW(Class, finalizer_class)                                                   \
@@ -177,10 +178,15 @@ class ObjectPointerVisitor;
   RW(Function, suspend_state_init_async_star)                                  \
   RW(Function, suspend_state_yield_async_star)                                 \
   RW(Function, suspend_state_return_async_star)                                \
+  RW(Function, suspend_state_init_sync_star)                                   \
+  RW(Function, suspend_state_yield_sync_star)                                  \
+  RW(Function, suspend_state_return_sync_star)                                 \
   RW(Function, suspend_state_handle_exception)                                 \
   RW(Class, async_star_stream_controller)                                      \
   RW(Class, stream_class)                                                      \
   RW(Field, async_star_stream_controller_async_star_body)                      \
+  RW(Field, sync_star_iterator_current)                                        \
+  RW(Field, sync_star_iterator_yield_star_iterable)                            \
   ARW_RELAXED(Smi, future_timeout_future_index)                                \
   ARW_RELAXED(Smi, future_wait_future_index)                                   \
   RW(CompressedStackMaps, canonicalized_stack_map_entries)                     \
@@ -252,6 +258,7 @@ class ObjectPointerVisitor;
   RW(Code, unreachable_tts_stub)                                               \
   RW(Code, slow_tts_stub)                                                      \
   RW(Code, await_stub)                                                         \
+  RW(Code, clone_suspend_state_stub)                                           \
   RW(Code, init_async_stub)                                                    \
   RW(Code, resume_stub)                                                        \
   RW(Code, return_async_stub)                                                  \
@@ -259,6 +266,9 @@ class ObjectPointerVisitor;
   RW(Code, init_async_star_stub)                                               \
   RW(Code, yield_async_star_stub)                                              \
   RW(Code, return_async_star_stub)                                             \
+  RW(Code, init_sync_star_stub)                                                \
+  RW(Code, yield_sync_star_stub)                                               \
+  RW(Code, return_sync_star_stub)                                              \
   RW(Array, dispatch_table_code_entries)                                       \
   RW(GrowableObjectArray, instructions_tables)                                 \
   RW(Array, obfuscation_map)                                                   \
@@ -336,6 +346,7 @@ class ObjectPointerVisitor;
   DO(init_late_instance_field_stub, InitLateInstanceField)                     \
   DO(init_late_final_instance_field_stub, InitLateFinalInstanceField)          \
   DO(await_stub, Await)                                                        \
+  DO(clone_suspend_state_stub, CloneSuspendState)                              \
   DO(init_async_stub, InitAsync)                                               \
   DO(resume_stub, Resume)                                                      \
   DO(return_async_stub, ReturnAsync)                                           \
@@ -343,6 +354,9 @@ class ObjectPointerVisitor;
   DO(init_async_star_stub, InitAsyncStar)                                      \
   DO(yield_async_star_stub, YieldAsyncStar)                                    \
   DO(return_async_star_stub, ReturnAsyncStar)                                  \
+  DO(init_sync_star_stub, InitSyncStar)                                        \
+  DO(yield_sync_star_stub, YieldSyncStar)                                      \
+  DO(return_sync_star_stub, ReturnSyncStar)                                    \
   DO(instance_of_stub, InstanceOf)
 
 #define ISOLATE_OBJECT_STORE_FIELD_LIST(R_, RW)                                \
diff --git a/runtime/vm/runtime_entry.cc b/runtime/vm/runtime_entry.cc
index caa9315a932..46011743bb7 100644
--- a/runtime/vm/runtime_entry.cc
+++ b/runtime/vm/runtime_entry.cc
@@ -744,6 +744,17 @@ DEFINE_RUNTIME_ENTRY(AllocateSuspendState, 2) {
   arguments.SetReturn(result);
 }
 
+// Makes a copy of the given SuspendState object, including the payload frame.
+// Arg0: the SuspendState object to be cloned.
+// Return value: newly allocated object.
+DEFINE_RUNTIME_ENTRY(CloneSuspendState, 1) {
+  const SuspendState& src =
+      SuspendState::CheckedHandle(zone, arguments.ArgAt(0));
+  const SuspendState& dst = SuspendState::Handle(
+      zone, SuspendState::Clone(thread, src, SpaceForRuntimeAllocation()));
+  arguments.SetReturn(dst);
+}
+
 // Helper routine for tracing a type check.
 static void PrintTypeCheck(const char* message,
                            const Instance& instance,
diff --git a/runtime/vm/runtime_entry_list.h b/runtime/vm/runtime_entry_list.h
index 90a51a99b32..ad8bb99c2ee 100644
--- a/runtime/vm/runtime_entry_list.h
+++ b/runtime/vm/runtime_entry_list.h
@@ -23,6 +23,7 @@ namespace dart {
   V(BreakpointRuntimeHandler)                                                  \
   V(SingleStepHandler)                                                         \
   V(CloneContext)                                                              \
+  V(CloneSuspendState)                                                         \
   V(DoubleToInteger)                                                           \
   V(FixCallersTarget)                                                          \
   V(FixCallersTargetMonomorphic)                                               \
diff --git a/runtime/vm/source_report.cc b/runtime/vm/source_report.cc
index f41b7a99be8..9a75218d890 100644
--- a/runtime/vm/source_report.cc
+++ b/runtime/vm/source_report.cc
@@ -556,7 +556,7 @@ void SourceReport::VisitFunction(JSONArray* jsarr, const Function& func) {
   // We skip compiled sync generators. Once a sync generator has been compiled,
   // there is another function with the same range which actually contains the
   // user code.
-  if (!func.IsSyncGenerator()) {
+  if (!func.IsSyncGenerator() || func.IsSuspendableFunction()) {
     JSONObject range(jsarr);
     range.AddProperty("scriptIndex", script_index);
     range.AddProperty("startPos", begin_pos);
diff --git a/runtime/vm/stub_code_list.h b/runtime/vm/stub_code_list.h
index 39e1f499c0d..5c496f0d539 100644
--- a/runtime/vm/stub_code_list.h
+++ b/runtime/vm/stub_code_list.h
@@ -158,7 +158,11 @@ namespace dart {
   V(InitAsyncStar)                                                             \
   V(YieldAsyncStar)                                                            \
   V(ReturnAsyncStar)                                                           \
+  V(InitSyncStar)                                                              \
+  V(YieldSyncStar)                                                             \
+  V(ReturnSyncStar)                                                            \
   V(AsyncExceptionHandler)                                                     \
+  V(CloneSuspendState)                                                         \
   V(UnknownDartCode)
 
 }  // namespace dart
diff --git a/runtime/vm/symbols.h b/runtime/vm/symbols.h
index f0fe6a8eb31..082c168b26c 100644
--- a/runtime/vm/symbols.h
+++ b/runtime/vm/symbols.h
@@ -187,6 +187,7 @@ class ObjectPointerVisitor;
   V(InterpolateSingle, "_interpolateSingle")                                   \
   V(InvocationMirror, "_InvocationMirror")                                     \
   V(IsolateSpawnException, "IsolateSpawnException")                            \
+  V(Iterable, "Iterable")                                                      \
   V(Iterator, "iterator")                                                      \
   V(KernelProgramInfo, "KernelProgramInfo")                                    \
   V(LanguageError, "LanguageError")                                            \
@@ -383,6 +384,7 @@ class ObjectPointerVisitor;
   V(_String, "String")                                                         \
   V(_SuspendState, "_SuspendState")                                            \
   V(_SyncIterator, "_SyncIterator")                                            \
+  V(_SyncStarIterator, "_SyncStarIterator")                                    \
   V(_SyncStreamController, "_SyncStreamController")                            \
   V(_TransferableTypedDataImpl, "_TransferableTypedDataImpl")                  \
   V(_Type, "_Type")                                                            \
@@ -413,6 +415,7 @@ class ObjectPointerVisitor;
   V(_typedDataBase, "_typedDataBase")                                          \
   V(_await, "_await")                                                          \
   V(_classRangeCheck, "_classRangeCheck")                                      \
+  V(_current, "_current")                                                      \
   V(_ensureScheduleImmediate, "_ensureScheduleImmediate")                      \
   V(_future, "_future")                                                        \
   V(_handleException, "_handleException")                                      \
@@ -422,6 +425,7 @@ class ObjectPointerVisitor;
   V(_hasValue, "_hasValue")                                                    \
   V(_initAsync, "_initAsync")                                                  \
   V(_initAsyncStar, "_initAsyncStar")                                          \
+  V(_initSyncStar, "_initSyncStar")                                            \
   V(_instanceOf, "_instanceOf")                                                \
   V(_listGetAt, "_listGetAt")                                                  \
   V(_listLength, "_listLength")                                                \
@@ -442,6 +446,7 @@ class ObjectPointerVisitor;
   V(_returnAsync, "_returnAsync")                                              \
   V(_returnAsyncNotFuture, "_returnAsyncNotFuture")                            \
   V(_returnAsyncStar, "_returnAsyncStar")                                      \
+  V(_returnSyncStar, "_returnSyncStar")                                        \
   V(_runExtension, "_runExtension")                                            \
   V(_runPendingImmediateCallback, "_runPendingImmediateCallback")              \
   V(_scanFlags, "_scanFlags")                                                  \
@@ -455,6 +460,8 @@ class ObjectPointerVisitor;
   V(_varData, "_varData")                                                      \
   V(_wordCharacterMap, "_wordCharacterMap")                                    \
   V(_yieldAsyncStar, "_yieldAsyncStar")                                        \
+  V(_yieldStarIterable, "_yieldStarIterable")                                  \
+  V(_yieldSyncStar, "_yieldSyncStar")                                          \
   V(add, "add")                                                                \
   V(addStream, "addStream")                                                    \
   V(asyncStarBody, "asyncStarBody")                                            \
diff --git a/runtime/vm/thread.h b/runtime/vm/thread.h
index 4d95cb45bb7..906efbf8271 100644
--- a/runtime/vm/thread.h
+++ b/runtime/vm/thread.h
@@ -137,6 +137,8 @@ class Thread;
     StubCode::ReturnAsyncNotFuture().ptr(), nullptr)                           \
   V(CodePtr, return_async_star_stub_, StubCode::ReturnAsyncStar().ptr(),       \
     nullptr)                                                                   \
+  V(CodePtr, return_sync_star_stub_, StubCode::ReturnSyncStar().ptr(),         \
+    nullptr)                                                                   \
   V(CodePtr, stack_overflow_shared_without_fpu_regs_stub_,                     \
     StubCode::StackOverflowSharedWithoutFPURegs().ptr(), nullptr)              \
   V(CodePtr, stack_overflow_shared_with_fpu_regs_stub_,                        \
@@ -182,6 +184,9 @@ class Thread;
   V(suspend_state_init_async_star)                                             \
   V(suspend_state_yield_async_star)                                            \
   V(suspend_state_return_async_star)                                           \
+  V(suspend_state_init_sync_star)                                              \
+  V(suspend_state_yield_sync_star)                                             \
+  V(suspend_state_return_sync_star)                                            \
   V(suspend_state_handle_exception)
 
 // This assertion marks places which assume that boolean false immediate
diff --git a/sdk/lib/_internal/vm/lib/async_patch.dart b/sdk/lib/_internal/vm/lib/async_patch.dart
index 2431b2a59f1..50a419b4565 100644
--- a/sdk/lib/_internal/vm/lib/async_patch.dart
+++ b/sdk/lib/_internal/vm/lib/async_patch.dart
@@ -551,6 +551,35 @@ class _SuspendState {
     return functionData;
   }
 
+  @pragma("vm:entry-point", "call")
+  @pragma("vm:invisible")
+  static Object? _initSyncStar<T>() {
+    if (_trace) print('_initSyncStar<$T>');
+    return _SyncStarIterable<T>();
+  }
+
+  @pragma("vm:entry-point", "call")
+  @pragma("vm:invisible")
+  Object? _yieldSyncStar(Object? object) {
+    if (_trace) print('_yieldSyncStar($object)');
+    final data = _functionData;
+    if (data is _SyncStarIterable) {
+      data._stateAtStart = this;
+      return data;
+    } else {
+      // Update state in the iterator in case SuspendState was reallocated.
+      unsafeCast<_SyncStarIterator>(data)._state = this;
+    }
+    return true;
+  }
+
+  @pragma("vm:entry-point", "call")
+  @pragma("vm:invisible")
+  static bool _returnSyncStar(Object suspendState, Object? returnValue) {
+    if (_trace) print('_returnSyncStar');
+    return false;
+  }
+
   @pragma("vm:recognized", "other")
   @pragma("vm:prefer-inline")
   external set _functionData(Object value);
@@ -577,6 +606,125 @@ class _SuspendState {
 
   @pragma("vm:recognized", "other")
   @pragma("vm:never-inline")
-  external void _resume(
+  external Object? _resume(
       Object? value, Object? exception, StackTrace? stackTrace);
+
+  @pragma("vm:recognized", "other")
+  @pragma("vm:prefer-inline")
+  external _SuspendState _clone();
+}
+
+class _SyncStarIterable<T> extends Iterable<T> {
+  _SuspendState? _stateAtStart;
+
+  _SyncStarIterable();
+
+  Iterator<T> get iterator {
+    return _SyncStarIterator<T>(_stateAtStart!._clone());
+  }
+}
+
+class _SyncStarIterator<T> implements Iterator<T> {
+  _SuspendState? _state;
+  Iterator<T>? _yieldStarIterator;
+
+  // Stack of suspended sync* methods.
+  List<_SuspendState>? _stack;
+
+  // sync* method sets either _yieldStarIterable
+  // or _current before suspending.
+  @pragma("vm:entry-point")
+  T? _current;
+  @pragma("vm:entry-point")
+  Iterable<T>? _yieldStarIterable;
+
+  @override
+  T get current => _current as T;
+
+  _SyncStarIterator(_SuspendState state) : _state = state {
+    state._functionData = this;
+  }
+
+  @pragma('vm:prefer-inline')
+  bool _handleSyncStarMethodCompletion() {
+    _current = null;
+    _state = null;
+    final stack = _stack;
+    if (stack != null && stack.isNotEmpty) {
+      _state = stack.removeLast();
+      return true;
+    }
+    return false;
+  }
+
+  @override
+  bool moveNext() {
+    if (_state == null) {
+      return false;
+    }
+
+    Object? pendingException;
+    StackTrace? pendingStackTrace;
+    while (true) {
+      // First delegate to an active nested iterator (if any).
+      final iterator = _yieldStarIterator;
+      if (iterator != null) {
+        try {
+          if (iterator.moveNext()) {
+            _current = iterator.current;
+            return true;
+          }
+        } catch (exception, stackTrace) {
+          pendingException = exception;
+          pendingStackTrace = stackTrace;
+        }
+        _yieldStarIterator = null;
+      }
+
+      try {
+        // Resume current sync* method in order to move to the next value.
+        final bool hasMore =
+            _state!._resume(null, pendingException, pendingStackTrace) as bool;
+        pendingException = null;
+        pendingStackTrace = null;
+        if (!hasMore) {
+          if (_handleSyncStarMethodCompletion()) {
+            continue;
+          }
+          return false;
+        }
+      } catch (exception, stackTrace) {
+        pendingException = exception;
+        pendingStackTrace = stackTrace;
+        if (_handleSyncStarMethodCompletion()) {
+          continue;
+        }
+        rethrow;
+      }
+
+      // Case: yield* some_iterator.
+      final iterable = _yieldStarIterable;
+      if (iterable != null) {
+        if (iterable is _SyncStarIterable) {
+          // We got a recursive yield* of sync* function. Instead of creating
+          // a new iterator we replace our current _state (remembering the
+          // current _state for later resumption).
+          final stack = (_stack ??= []);
+          stack.add(_state!);
+          final nestedState =
+              unsafeCast<_SyncStarIterable>(iterable)._stateAtStart!._clone();
+          nestedState._functionData = this;
+          _state = nestedState;
+        } else {
+          _yieldStarIterator = iterable.iterator;
+        }
+        _yieldStarIterable = null;
+        _current = null;
+        // Fetch the next item.
+        continue;
+      }
+
+      return true;
+    }
+  }
 }