library #lib;
import self as self;
import "dart:core" as core;
import "dart:_internal" as _in;

class Base<T1 extends core::Object = dynamic, T2 extends core::Object = dynamic> extends core::Object {
  generic-covariant-impl field self::Base::T1 t1 = null;
  generic-covariant-impl field self::Base::T2 t2 = null;
[@vm.bytecode=
Bytecode {
  Entry                1
  CheckStack           0
  Push                 FP[-5]
  DirectCall           1, CP#0
  Drop1
  PushNull
  PushInt              4
  CreateArrayTOS
  StoreLocal           r0
  Push                 r0
  PushInt              0
  PushConstant         CP#2
  StoreIndexedTOS
  Push                 r0
  PushInt              1
  Push                 FP[-5]
  LoadTypeArgumentsField CP#4
  PushNull
  InstantiateType      CP#3
  StoreIndexedTOS
  Push                 r0
  PushInt              2
  PushConstant         CP#5
  StoreIndexedTOS
  Push                 r0
  PushInt              3
  Push                 FP[-5]
  LoadTypeArgumentsField CP#4
  PushNull
  InstantiateType      CP#6
  StoreIndexedTOS
  DirectCall           1, CP#7
  DirectCall           1, CP#9
  Drop1
  PushNull
  ReturnTOS
}
Nullable fields: [#lib::Base::t1 (field), #lib::Base::t2 (field)]}
ConstantPool {
  [0] = DirectCall 'dart:core::Object:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [1] = Reserved
  [2] = ObjectRef 'Base: '
  [3] = Type #lib::Base::TypeParam/0
  [4] = TypeArgumentsField #lib::Base
  [5] = ObjectRef ', '
  [6] = Type #lib::Base::TypeParam/1
  [7] = DirectCall 'dart:core::_StringBase::_interpolate', ArgDesc num-args 1, num-type-args 0, names []
  [8] = Reserved
  [9] = DirectCall 'dart:core::print', ArgDesc num-args 1, num-type-args 0, names []
  [10] = Reserved
}
]  constructor •() → self::Base<self::Base::T1, self::Base::T2>
    : super core::Object::•() {
    core::print("Base: ${self::Base::T1}, ${self::Base::T2}");
  }
}
class A extends self::Base<core::int, core::String> {
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  Push                 FP[-6]
  DirectCall           1, CP#0
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = DirectCall '#lib::Base:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [1] = Reserved
}
]  constructor •(core::String s) → self::A
    : super self::Base::•()
    ;
}
class B<T extends core::Object = dynamic> extends self::Base<core::List<self::B::T>, core::String> {
[@vm.bytecode=
Bytecode {
  Entry                1
  CheckStack           0
  Push                 FP[-5]
  DirectCall           1, CP#0
  Drop1
  PushNull
  PushInt              2
  CreateArrayTOS
  StoreLocal           r0
  Push                 r0
  PushInt              0
  PushConstant         CP#2
  StoreIndexedTOS
  Push                 r0
  PushInt              1
  Push                 FP[-5]
  LoadTypeArgumentsField CP#4
  PushNull
  InstantiateType      CP#3
  StoreIndexedTOS
  DirectCall           1, CP#5
  DirectCall           1, CP#7
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = DirectCall '#lib::Base:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [1] = Reserved
  [2] = ObjectRef 'B: '
  [3] = Type #lib::B::TypeParam/0
  [4] = TypeArgumentsField #lib::B
  [5] = DirectCall 'dart:core::_StringBase::_interpolate', ArgDesc num-args 1, num-type-args 0, names []
  [6] = Reserved
  [7] = DirectCall 'dart:core::print', ArgDesc num-args 1, num-type-args 0, names []
  [8] = Reserved
}
]  constructor •() → self::B<self::B::T>
    : super self::Base::•() {
    core::print("B: ${self::B::T}");
  }
}
class C extends core::Object {
[@vm.bytecode=
Bytecode {
  Entry                1
  CheckStack           0
  Push                 FP[-6]
  DirectCall           1, CP#0
  Drop1
  PushNull
  PushInt              2
  CreateArrayTOS
  StoreLocal           r0
  Push                 r0
  PushInt              0
  PushConstant         CP#2
  StoreIndexedTOS
  Push                 r0
  PushInt              1
  Push                 FP[-5]
  StoreIndexedTOS
  DirectCall           1, CP#3
  DirectCall           1, CP#5
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = DirectCall 'dart:core::Object:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [1] = Reserved
  [2] = ObjectRef 'C: '
  [3] = DirectCall 'dart:core::_StringBase::_interpolate', ArgDesc num-args 1, num-type-args 0, names []
  [4] = Reserved
  [5] = DirectCall 'dart:core::print', ArgDesc num-args 1, num-type-args 0, names []
  [6] = Reserved
}
]  constructor •(core::String s) → self::C
    : super core::Object::•() {
    core::print("C: ${s}");
  }
}
class E<K extends core::Object = dynamic, V extends core::Object = dynamic> extends core::Object {
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  Push                 FP[-5]
  DirectCall           1, CP#0
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = DirectCall 'dart:core::Object:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [1] = Reserved
}
]  synthetic constructor •() → self::E<self::E::K, self::E::V>
    : super core::Object::•()
    ;
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  Push                 FP[-5]
  LoadTypeArgumentsField CP#0
  DirectCall           1, CP#1
  ReturnTOS
}
ConstantPool {
  [0] = TypeArgumentsField #lib::E
  [1] = DirectCall 'dart:core::Map:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [2] = Reserved
}
]  method test_reuse1() → dynamic
    return core::Map::•<self::E::K, self::E::V>();
}
class F<K extends core::Object = dynamic, V extends core::Object = dynamic> extends self::E<core::String, core::List<self::F::V>> {
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  Push                 FP[-5]
  DirectCall           1, CP#0
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = DirectCall '#lib::E:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [1] = Reserved
}
]  synthetic constructor •() → self::F<self::F::K, self::F::V>
    : super self::E::•()
    ;
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  Push                 FP[-5]
  LoadTypeArgumentsField CP#0
  DirectCall           1, CP#1
  ReturnTOS
}
ConstantPool {
  [0] = TypeArgumentsField #lib::F
  [1] = DirectCall 'dart:core::Map:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [2] = Reserved
}
]  method test_reuse2() → dynamic
    return core::Map::•<core::String, core::List<self::F::V>>();
}
class G<K extends core::Object = dynamic, V extends core::Object = dynamic> extends core::Object {
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  Push                 FP[-5]
  DirectCall           1, CP#0
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = DirectCall 'dart:core::Object:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [1] = Reserved
}
]  constructor •() → self::G<self::G::K, self::G::V>
    : super core::Object::•()
    ;
[@vm.bytecode=
Bytecode {
  Entry                1
  CheckStack           0
  Push                 FP[-5]
  PushNull
  InstantiateTypeArgumentsTOS 0, CP#1
  PushConstant         CP#0
  AllocateT
  StoreLocal           r0
  Push                 r0
  DirectCall           1, CP#2
  Drop1
  ReturnTOS
}
ConstantPool {
  [0] = Class #lib::H
  [1] = ObjectRef < #lib::G::test_factory (constructor)::TypeParam/0, #lib::G::test_factory (constructor)::TypeParam/1, dart:core::String, #lib::G::test_factory (constructor)::TypeParam/0, #lib::G::test_factory (constructor)::TypeParam/1 >
  [2] = DirectCall '#lib::H:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [3] = Reserved
}
]  static factory test_factory<K extends core::Object = dynamic, V extends core::Object = dynamic>() → self::G<self::G::test_factory::K, self::G::test_factory::V>
    return new self::H::•<core::String, self::G::test_factory::K, self::G::test_factory::V>();
}
class H<P1 extends core::Object = dynamic, P2 extends core::Object = dynamic, P3 extends core::Object = dynamic> extends self::G<self::H::P2, self::H::P3> {
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  Push                 FP[-5]
  DirectCall           1, CP#0
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = DirectCall '#lib::G:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [1] = Reserved
}
]  synthetic constructor •() → self::H<self::H::P1, self::H::P2, self::H::P3>
    : super self::G::•()
    ;
}
class I extends core::Object {
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  Push                 FP[-6]
  DirectCall           1, CP#0
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = DirectCall 'dart:core::Object:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [1] = Reserved
}
]  constructor •(dynamic param) → self::I
    : super core::Object::•()
    ;
[@vm.bytecode=
Bytecode {
  EntryOptional        1, 0, 1
  LoadConstant         r1, CP#0
  LoadConstant         r1, CP#1
  Frame                1
  CheckStack           0
  Allocate             CP#2
  StoreLocal           r2
  Push                 r2
  Push                 r1
  DirectCall           2, CP#3
  Drop1
  ReturnTOS
}
ConstantPool {
  [0] = ObjectRef 'param'
  [1] = ObjectRef null
  [2] = Class #lib::I
  [3] = DirectCall '#lib::I:: (constructor)', ArgDesc num-args 2, num-type-args 0, names []
  [4] = Reserved
}
]  static factory test_factory2({dynamic param = null}) → self::I
    return new self::I::•(param);
}
class J extends core::Object {
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  Push                 FP[-5]
  NativeCall           CP#0
  ReturnTOS
}
ConstantPool {
  [0] = NativeEntry agent_J
}
]  @_in::ExternalName::•("agent_J")
  external static factory •() → self::J;
}
abstract class K<A extends core::Object = dynamic, B extends core::Object = dynamic> extends core::Object {
[@vm.bytecode=
Bytecode {
  Entry                1
  CheckStack           0
  Push                 FP[-5]
  PushConstant         CP#0
  AllocateT
  StoreLocal           r0
  Push                 r0
  DirectCall           1, CP#1
  Drop1
  ReturnTOS
}
ConstantPool {
  [0] = Class #lib::TestTypeArgReuse
  [1] = DirectCall '#lib::TestTypeArgReuse:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [2] = Reserved
}
]  static factory •<A extends core::Object = dynamic, B extends core::Object = dynamic>() → self::K<self::K::•::A, self::K::•::B>
    return new self::TestTypeArgReuse::•<self::K::•::A, self::K::•::B>();
}
class TestTypeArgReuse<P extends core::Object = dynamic, Q extends core::Object = dynamic> extends self::Base<self::TestTypeArgReuse::P, self::TestTypeArgReuse::Q> implements self::K<self::TestTypeArgReuse::P, self::TestTypeArgReuse::Q> {
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  Push                 FP[-5]
  DirectCall           1, CP#0
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = DirectCall '#lib::Base:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [1] = Reserved
}
]  synthetic constructor •() → self::TestTypeArgReuse<self::TestTypeArgReuse::P, self::TestTypeArgReuse::Q>
    : super self::Base::•()
    ;
}
[@vm.bytecode=
Bytecode {
  Entry                1
  CheckStack           0
  Allocate             CP#0
  StoreLocal           r0
  Push                 r0
  PushConstant         CP#1
  DirectCall           2, CP#2
  Drop1
  ReturnTOS
}
ConstantPool {
  [0] = Class #lib::C
  [1] = ObjectRef 'hello'
  [2] = DirectCall '#lib::C:: (constructor)', ArgDesc num-args 2, num-type-args 0, names []
  [3] = Reserved
}
]static method foo1() → dynamic
  return new self::C::•("hello");
[@vm.bytecode=
Bytecode {
  Entry                1
  CheckStack           0
  PushConstant         CP#1
  PushConstant         CP#0
  AllocateT
  StoreLocal           r0
  Push                 r0
  PushConstant         CP#2
  DirectCall           2, CP#3
  Drop1
  Drop1
  PushConstant         CP#6
  PushConstant         CP#5
  AllocateT
  StoreLocal           r0
  Push                 r0
  DirectCall           1, CP#7
  Drop1
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = Class #lib::A
  [1] = ObjectRef < dart:core::int, dart:core::String >
  [2] = ObjectRef 'hi'
  [3] = DirectCall '#lib::A:: (constructor)', ArgDesc num-args 2, num-type-args 0, names []
  [4] = Reserved
  [5] = Class #lib::B
  [6] = ObjectRef < dart:core::List < dart:core::int >, dart:core::String, dart:core::int >
  [7] = DirectCall '#lib::B:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [8] = Reserved
}
]static method foo2() → void {
  new self::A::•("hi");
  new self::B::•<core::int>();
}
[@vm.bytecode=
Bytecode {
  Entry                2
  CheckStack           0
  CheckFunctionTypeArgs 1, r0
  PushNull
  Push                 r0
  InstantiateTypeArgumentsTOS 0, CP#1
  PushConstant         CP#0
  AllocateT
  StoreLocal           r1
  Push                 r1
  DirectCall           1, CP#2
  Drop1
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = Class #lib::B
  [1] = ObjectRef < dart:core::List < dart:core::List < #lib::foo3::TypeParam/0 > >, dart:core::String, dart:core::List < #lib::foo3::TypeParam/0 > >
  [2] = DirectCall '#lib::B:: (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [3] = Reserved
}
]static method foo3<T extends core::Object = dynamic>() → void {
  new self::B::•<core::List<self::foo3::T>>();
}
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  PushConstant         CP#0
  DirectCall           1, CP#1
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = ObjectRef < dart:core::int, dart:core::List < dart:core::String > >
  [1] = DirectCall '#lib::G::test_factory (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [2] = Reserved
}
]static method foo4() → void {
  self::G::test_factory<core::int, core::List<core::String>>();
}
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  PushNull
  DirectCall           1, CP#0
  Drop1
  PushNull
  PushInt              42
  DirectCall           2, CP#2
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = DirectCall '#lib::I::test_factory2 (constructor)', ArgDesc num-args 1, num-type-args 0, names []
  [1] = Reserved
  [2] = DirectCall '#lib::I::test_factory2 (constructor)', ArgDesc num-args 2, num-type-args 0, names ['param']
  [3] = Reserved
}
]static method foo5() → void {
  self::I::test_factory2();
  self::I::test_factory2(param: 42);
}
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  PushConstant         CP#0
  PushInt              0
  DirectCall           2, CP#1
  ReturnTOS
}
ConstantPool {
  [0] = ObjectRef < dart:core::String >
  [1] = DirectCall 'dart:core::_GrowableList:: (constructor)', ArgDesc num-args 2, num-type-args 0, names []
  [2] = Reserved
}
]static method foo6() → dynamic
  return core::_GrowableList::•<core::String>(0);
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  PushConstant         CP#0
  Push                 FP[-5]
  DirectCall           2, CP#1
  ReturnTOS
}
ConstantPool {
  [0] = ObjectRef < dart:core::int >
  [1] = DirectCall 'dart:core::_List:: (constructor)', ArgDesc num-args 2, num-type-args 0, names []
  [2] = Reserved
}
]static method foo7(core::int n) → dynamic
  return core::_List::•<core::int>(n);
[@vm.bytecode=
Bytecode {
  Entry                0
  CheckStack           0
  DirectCall           0, CP#0
  Drop1
  DirectCall           0, CP#2
  Drop1
  PushConstant         CP#4
  DirectCall           1, CP#5
  Drop1
  PushNull
  ReturnTOS
}
ConstantPool {
  [0] = DirectCall '#lib::foo1', ArgDesc num-args 0, num-type-args 0, names []
  [1] = Reserved
  [2] = DirectCall '#lib::foo2', ArgDesc num-args 0, num-type-args 0, names []
  [3] = Reserved
  [4] = ObjectRef < dart:core::String >
  [5] = DirectCall '#lib::foo3', ArgDesc num-args 0, num-type-args 1, names []
  [6] = Reserved
}
]static method main() → dynamic {
  self::foo1();
  self::foo2();
  self::foo3<core::String>();
}