Generate the TransitionElementsStub using Crankshaft

src/x64/lithium-codegen-x64.h

Index: src/x64/lithium-codegen-x64.h
diff --git a/src/x64/lithium-codegen-x64.h b/src/x64/lithium-codegen-x64.h
index 08557ab542100df441b0382058e214ef138792d6..8c6b5d27c03cecd4adbc6746ede302fa79a485c9 100644
--- a/src/x64/lithium-codegen-x64.h
+++ b/src/x64/lithium-codegen-x64.h
@@ -116,6 +116,7 @@ class LCodeGen BASE_EMBEDDED {
   void DoDeferredStringCharCodeAt(LStringCharCodeAt* instr);
   void DoDeferredStringCharFromCode(LStringCharFromCode* instr);
   void DoDeferredAllocateObject(LAllocateObject* instr);
+  void DoDeferredAllocate(LAllocate* instr);
   void DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
                                        Label* map_check);
 
@@ -282,11 +283,13 @@ class LCodeGen BASE_EMBEDDED {
   static Condition TokenToCondition(Token::Value op, bool is_unsigned);
   void EmitGoto(int block);
   void EmitBranch(int left_block, int right_block, Condition cc);
-  void EmitNumberUntagD(Register input,
-                        XMMRegister result,
-                        bool deoptimize_on_undefined,
-                        bool deoptimize_on_minus_zero,
-                        LEnvironment* env);
+  void EmitNumberUntagD(
+      Register input,
+      XMMRegister result,
+      bool deoptimize_on_undefined,
+      bool deoptimize_on_minus_zero,
+      LEnvironment* env,
+      NumberUntagDMode mode = NUMBER_CANDIDATE_IS_ANY_TAGGED);
 
 
   void DeoptIfTaggedButNotSmi(LEnvironment* environment,