Avoid calling inherited setters when creating object literals and their boilerplates.

src/objects.h

 // Copyright 2010 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 1323 matching lines @@
   MUST_USE_RESULT MaybeObject* SetProperty(String* key,
                                            Object* value,
                                            PropertyAttributes attributes);
   MUST_USE_RESULT MaybeObject* SetProperty(LookupResult* result,
                                            String* key,
                                            Object* value,
                                            PropertyAttributes attributes);
   MUST_USE_RESULT MaybeObject* SetPropertyWithFailedAccessCheck(
       LookupResult* result,
       String* name,
-      Object* value);
+      Object* value,
+      bool check_prototype);
   MUST_USE_RESULT MaybeObject* SetPropertyWithCallback(Object* structure,
                                                        String* name,
                                                        Object* value,
                                                        JSObject* holder);
   MUST_USE_RESULT MaybeObject* SetPropertyWithDefinedSetter(JSFunction* setter,
                                                             Object* value);
   MUST_USE_RESULT MaybeObject* SetPropertyWithInterceptor(
       String* name,
       Object* value,
       PropertyAttributes attributes);
   MUST_USE_RESULT MaybeObject* SetPropertyPostInterceptor(
       String* name,
       Object* value,
       PropertyAttributes attributes);
-  MUST_USE_RESULT MaybeObject* IgnoreAttributesAndSetLocalProperty(
+  MUST_USE_RESULT MaybeObject* SetLocalPropertyIgnoreAttributes(
       String* key,
       Object* value,
       PropertyAttributes attributes);
 
   // Retrieve a value in a normalized object given a lookup result.
   // Handles the special representation of JS global objects.
   Object* GetNormalizedProperty(LookupResult* result);
 
   // Sets the property value in a normalized object given a lookup result.
   // Handles the special representation of JS global objects.
@@ skipping 5019 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_