VM: Evaluate metadata on a class in the scope of its library not the scope of the class.

runtime/vm/parser.h

Index: runtime/vm/parser.h
diff --git a/runtime/vm/parser.h b/runtime/vm/parser.h
index 587444a014f9dcd0f7b21e0e51519a553ef4a335..7ae7d9f9b7d2fdaeaf895f308e73cd29ceed3d27 100644
--- a/runtime/vm/parser.h
+++ b/runtime/vm/parser.h
@@ -334,11 +334,14 @@ class Parser : public ValueObject {
   // Support for parsing of scripts.
   void ParseTopLevel();
   void ParseClassDeclaration(const GrowableObjectArray& pending_classes,
+                             const Class& toplevel_class,
                              intptr_t metadata_pos);
   void ParseClassDefinition(const Class& cls);
   void ParseMixinAppAlias(const GrowableObjectArray& pending_classes,
+                          const Class& toplevel_class,
                           intptr_t metadata_pos);
   void ParseTypedef(const GrowableObjectArray& pending_classes,
+                    const Class& toplevel_class,
                     intptr_t metadata_pos);
   void ParseTopLevelVariable(TopLevel* top_level, intptr_t metadata_pos);
   void ParseTopLevelFunction(TopLevel* top_level, intptr_t metadata_pos);