Allocate instance closures similarly to regular closures, i.e. without a

runtime/vm/object.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 1492 matching lines @@
   RawContextScope* context_scope() const;
   void set_context_scope(const ContextScope& value) const;
 
   // Enclosing function of this local function.
   RawFunction* parent_function() const;
 
   // Signature class of this closure function or signature function.
   RawClass* signature_class() const;
   void set_signature_class(const Class& value) const;
 
-  RawCode* closure_allocation_stub() const;
-  void set_closure_allocation_stub(const Code& value) const;
-
   void set_extracted_method_closure(const Function& function) const;
   RawFunction* extracted_method_closure() const;
 
   void set_saved_args_desc(const Array& array) const;
   RawArray* saved_args_desc() const;
 
   void set_saved_static_field(const Field& array) const;
   RawField* saved_static_field() const;
 
   bool IsMethodExtractor() const {
@@ skipping 474 matching lines @@
 
   // Signature class of this closure function or signature function.
   RawClass* signature_class() const { return raw_ptr()->signature_class_; }
   void set_signature_class(const Class& value) const;
 
   RawInstance* implicit_static_closure() const {
     return raw_ptr()->closure_;
   }
   void set_implicit_static_closure(const Instance& closure) const;
 
-  RawCode* closure_allocation_stub() const {
-    return raw_ptr()->closure_allocation_stub_;
-  }
-  void set_closure_allocation_stub(const Code& value) const;
-
   static RawClosureData* New();
 
   FINAL_HEAP_OBJECT_IMPLEMENTATION(ClosureData, Object);
   friend class Class;
   friend class Function;
   friend class HeapProfiler;
 };
 
 
 class RedirectionData: public Object {
@@ skipping 4631 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_