[vm,dyn_modules] Mark extension type members appropriately.

TEST=pkg/vm_service/test/step_through_extension_type_method_call_test

Cq-Include-Trybots: luci.dart.try:vm-dyn-linux-debug-x64-try,vm-dyn-mac-debug-arm64-try
Change-Id: I3bf331e175847280964fd42eb027e9f812598bf2
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/464705
Auto-Submit: Tess Strickland <sstrickl@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>

pkg/dart2bytecode/docs/bytecode.md

@@ -524,7 +524,7 @@ type FieldDeclaration {
                 hasGetter, hasSetter,
                 hasInitializer, hasNontrivialInitializer, hasInitializerCode,
                 hasSourcePositions, hasAnnotations, hasPragma,
-                hasCustomScript);
+                hasCustomScript, isExtensionTypeMember);
   PackedObject name;
   PackedObject type;
 
@@ -557,7 +557,7 @@ type FunctionDeclaration {
                 isAsync, isAsyncStar, isSyncStar,
                 isNoSuchMethodForwarder, isExternal, isNative,
                 hasSourcePositions, hasAnnotations, hasPragma,
-                hasCustomScript);
+                hasCustomScript, isExtensionTypeMember);
 
   PackedObject name;
 

pkg/dart2bytecode/lib/bytecode_generator.dart

@@ -502,6 +502,9 @@ class BytecodeGenerator extends RecursiveVisitor {
     if (field.isExtensionMember) {
       flags |= FieldDeclaration.isExtensionMemberFlag;
     }
+    if (field.isExtensionTypeMember) {
+      flags |= FieldDeclaration.isExtensionTypeMemberFlag;
+    }
     // In NNBD libraries, static fields with initializers are implicitly late.
     if (field.isLate || (field.isStatic && field.initializer != null)) {
       flags |= FieldDeclaration.isLateFlag;
@@ -569,6 +572,9 @@ class BytecodeGenerator extends RecursiveVisitor {
     if (member.isExtensionMember) {
       flags |= FunctionDeclaration.isExtensionMemberFlag;
     }
+    if (member.isExtensionTypeMember) {
+      flags |= FunctionDeclaration.isExtensionTypeMemberFlag;
+    }
 
     FunctionNode function = member.function!;
     if (function.requiredParameterCount !=

pkg/dart2bytecode/lib/declarations.dart

@@ -360,6 +360,7 @@ class FieldDeclaration {
   static const hasAnnotationsFlag = 1 << 14;
   static const hasPragmaFlag = 1 << 15;
   static const hasCustomScriptFlag = 1 << 16;
+  static const isExtensionTypeMemberFlag = 1 << 17;
 
   final int flags;
   final ObjectHandle name;
@@ -475,6 +476,9 @@ class FieldDeclaration {
     if ((flags & isExtensionMemberFlag) != 0) {
       sb.write(', extension-member');
     }
+    if ((flags & isExtensionTypeMemberFlag) != 0) {
+      sb.write(', extension-type-member');
+    }
     if ((flags & hasPragmaFlag) != 0) {
       sb.write(', has-pragma');
     }
@@ -526,6 +530,7 @@ class FunctionDeclaration {
   static const hasAnnotationsFlag = 1 << 21;
   static const hasPragmaFlag = 1 << 22;
   static const hasCustomScriptFlag = 1 << 23;
+  static const isExtensionTypeMemberFlag = 1 << 24;
 
   final int flags;
   final ObjectHandle name;
@@ -678,6 +683,9 @@ class FunctionDeclaration {
     if ((flags & isExtensionMemberFlag) != 0) {
       sb.write(', extension-member');
     }
+    if ((flags & isExtensionTypeMemberFlag) != 0) {
+      sb.write(', extension-type-member');
+    }
     if ((flags & hasOptionalPositionalParamsFlag) != 0) {
       sb.write(', has-optional-positional-params');
     }