Fix missing write barrier in store field stub.

src/x64/lithium-x64.h

 // 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 1617 matching lines @@
 
   DECLARE_CONCRETE_INSTRUCTION(SmiUntag, "smi-untag")
 
   bool needs_check() const { return needs_check_; }
 
  private:
   bool needs_check_;
 };
 
 
-class LStoreNamedField: public LTemplateInstruction<0, 2, 1> {
+class LStoreNamedField: public LTemplateInstruction<0, 2, 2> {
  public:
-  LStoreNamedField(LOperand* object, LOperand* value, LOperand* temp) {
+  LStoreNamedField(LOperand* object,
+                   LOperand* value,
+                   LOperand* temp,
+                   LOperand* temp_map) {
     inputs_[0] = object;
     inputs_[1] = value;
     temps_[0] = temp;
+    temps_[1] = temp_map;
   }
 
   DECLARE_CONCRETE_INSTRUCTION(StoreNamedField, "store-named-field")
   DECLARE_HYDROGEN_ACCESSOR(StoreNamedField)
 
   virtual void PrintDataTo(StringStream* stream);
 
   LOperand* object() { return inputs_[0]; }
   LOperand* value() { return inputs_[1]; }
 
@@ skipping 724 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::int
 
 #endif  // V8_X64_LITHIUM_X64_H_