Build fast literals in hydrogen.

src/handles.cc

 // Copyright 2012 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 307 matching lines @@
 }
 
 
 Handle<JSObject> Copy(Handle<JSObject> obj) {
   Isolate* isolate = obj->GetIsolate();
   CALL_HEAP_FUNCTION(isolate,
                      isolate->heap()->CopyJSObject(*obj), JSObject);
 }
 
 
+Handle<JSObject> DeepCopy(Handle<JSObject> obj) {
+  Isolate* isolate = obj->GetIsolate();
+  CALL_HEAP_FUNCTION(isolate,
+                     obj->DeepCopy(isolate),
+                     JSObject);
+}
+
+
 Handle<Object> SetAccessor(Handle<JSObject> obj, Handle<AccessorInfo> info) {
   CALL_HEAP_FUNCTION(obj->GetIsolate(), obj->DefineAccessor(*info), Object);
 }
 
 
 // Wrappers for scripts are kept alive and cached in weak global
 // handles referred from foreign objects held by the scripts as long as
 // they are used. When they are not used anymore, the garbage
 // collector will call the weak callback on the global handle
 // associated with the wrapper and get rid of both the wrapper and the
@@ skipping 582 matching lines @@
   data->next = prev_next_;
   data->limit = prev_limit_;
 #ifdef DEBUG
   handles_detached_ = true;
 #endif
   return deferred;
 }
 
 
 } }  // namespace v8::internal