Convert FastNewClosureStub into hydrogen.

src/x64/lithium-x64.h

Index: src/x64/lithium-x64.h
diff --git a/src/x64/lithium-x64.h b/src/x64/lithium-x64.h
index b3a20cf6914dbae8373dec50475ea77356a3d1a6..00642ff5a9ce98be47e0d6b55c8c3144f09e22a8 100644
--- a/src/x64/lithium-x64.h
+++ b/src/x64/lithium-x64.h
@@ -160,6 +160,7 @@ class LCodeGen;
   V(SmiTag)                                     \
   V(SmiUntag)                                   \
   V(StackCheck)                                 \
+  V(StoreCodeEntry)                             \
   V(StoreContextSlot)                           \
   V(StoreGlobalCell)                            \
   V(StoreGlobalGeneric)                         \
@@ -1693,7 +1694,24 @@ class LDrop V8_FINAL : public LTemplateInstruction<0, 0, 0> {
 };
 
 
-class LInnerAllocatedObject V8_FINAL : public LTemplateInstruction<1, 1, 0> {
+class LStoreCodeEntry V8_FINAL: public LTemplateInstruction<0, 1, 1> {
+ public:
+  LStoreCodeEntry(LOperand* function, LOperand* code_object) {
+    inputs_[0] = function;
+    temps_[0] = code_object;
+  }
+
+  LOperand* function() { return inputs_[0]; }
+  LOperand* code_object() { return temps_[0]; }
+
+  virtual void PrintDataTo(StringStream* stream);
+
+  DECLARE_CONCRETE_INSTRUCTION(StoreCodeEntry, "store-code-entry")
+  DECLARE_HYDROGEN_ACCESSOR(StoreCodeEntry)
+};
+
+
+class LInnerAllocatedObject V8_FINAL: public LTemplateInstruction<1, 1, 0> {
  public:
   explicit LInnerAllocatedObject(LOperand* base_object) {
     inputs_[0] = base_object;