Avoid handle dereference during graph optimization.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index c31de81ebabdbd44c2363163357db91be191d0f9..fba2318081c4cfec5f131208a0ca887240559931 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -2039,9 +2039,7 @@ LInstruction* LChunkBuilder::DoStoreKeyedGeneric(HStoreKeyedGeneric* instr) {
 
 LInstruction* LChunkBuilder::DoTransitionElementsKind(
     HTransitionElementsKind* instr) {
-  ElementsKind from_kind = instr->original_map()->elements_kind();
-  ElementsKind to_kind = instr->transitioned_map()->elements_kind();
-  if (IsSimpleMapChangeTransition(from_kind, to_kind)) {
+  if (IsSimpleMapChangeTransition(instr->from_kind(), instr->to_kind())) {
     LOperand* object = UseRegister(instr->object());
     LOperand* new_map_reg = TempRegister();
     LOperand* temp_reg = TempRegister();
@@ -2299,8 +2297,8 @@ LInstruction* LChunkBuilder::DoEnterInlined(HEnterInlined* instr) {
                                                instr->arguments_count(),
                                                instr->function(),
                                                undefined,
-                                               instr->call_kind(),
-                                               instr->inlining_kind());
+                                               instr->inlining_kind(),
+                                               instr->undefined_receiver());
   if (instr->arguments_var() != NULL) {
     inner->Bind(instr->arguments_var(), graph()->GetArgumentsObject());
   }