Pretenure call new support.

src/factory.cc

 // Copyright 2013 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 1309 matching lines @@
 
 Handle<JSObject> Factory::NewJSObject(Handle<JSFunction> constructor,
                                       PretenureFlag pretenure) {
   JSFunction::EnsureHasInitialMap(constructor);
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateJSObject(*constructor, pretenure), JSObject);
 }
 
 
+Handle<JSObject> Factory::NewJSObjectWithMemento(
+    Handle<JSFunction> constructor,
+    Handle<AllocationSite> site) {
+  JSFunction::EnsureHasInitialMap(constructor);
+  CALL_HEAP_FUNCTION(
+      isolate(),
+      isolate()->heap()->AllocateJSObject(*constructor, NOT_TENURED, *site),
+      JSObject);
+}
+
+
 Handle<JSModule> Factory::NewJSModule(Handle<Context> context,
                                       Handle<ScopeInfo> scope_info) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateJSModule(*context, *scope_info), JSModule);
 }
 
 
 // TODO(mstarzinger): Temporary wrapper until handlified.
 static Handle<NameDictionary> NameDictionaryAdd(Handle<NameDictionary> dict,
@@ skipping 683 matching lines @@
   return Handle<Object>::null();
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 } }  // namespace v8::internal