Treat the builtins object like other global objects (with...

src/objects.h

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3041 matching lines @@
  public:
   // [builtins]: the object holding the runtime routines written in JS.
   DECL_ACCESSORS(builtins, JSBuiltinsObject)
 
   // [global context]: the global context corresponding to this global object.
   DECL_ACCESSORS(global_context, Context)
 
   // [global receiver]: the global receiver object of the context
   DECL_ACCESSORS(global_receiver, JSObject)
 
+  // Retrieve the property cell used to store a property.
+  Object* GetPropertyCell(LookupResult* result);
+
   // Casting.
   static inline GlobalObject* cast(Object* obj);
 
   // Layout description.
   static const int kBuiltinsOffset = JSObject::kHeaderSize;
   static const int kGlobalContextOffset = kBuiltinsOffset + kPointerSize;
   static const int kGlobalReceiverOffset = kGlobalContextOffset + kPointerSize;
   static const int kHeaderSize = kGlobalReceiverOffset + kPointerSize;
 
  private:
   friend class AGCCVersionRequiresThisClassToHaveAFriendSoHereItIs;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(GlobalObject);
 };
 
 
 // JavaScript global object.
 class JSGlobalObject: public GlobalObject {
  public:
 
-  // Retrieve the property cell used to store a property.
-  Object* GetPropertyCell(LookupResult* result);
-
   // Casting.
   static inline JSGlobalObject* cast(Object* obj);
 
   // Dispatched behavior.
 #ifdef DEBUG
   void JSGlobalObjectPrint();
   void JSGlobalObjectVerify();
 #endif
 
   // Layout description.
@@ skipping 1420 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_