[ic] LoadGlobalIC caches PropertyCells in the feedback vector.

src/x64/code-stubs-x64.cc

Index: src/x64/code-stubs-x64.cc
diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc
index c144797d73533eebec9b7280ceb35beefb530e93..cd6b050f78c4e340d8579130920cf535feb8ff35 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -4823,37 +4823,6 @@ void FastNewStrictArgumentsStub::Generate(MacroAssembler* masm) {
 }
 
 
-void LoadGlobalViaContextStub::Generate(MacroAssembler* masm) {
-  Register context_reg = rsi;
-  Register slot_reg = rbx;
-  Register result_reg = rax;
-  Label slow_case;
-
-  // Go up context chain to the script context.
-  for (int i = 0; i < depth(); ++i) {
-    __ movp(rdi, ContextOperand(context_reg, Context::PREVIOUS_INDEX));
-    context_reg = rdi;
-  }
-
-  // Load the PropertyCell value at the specified slot.
-  __ movp(result_reg, ContextOperand(context_reg, slot_reg));
-  __ movp(result_reg, FieldOperand(result_reg, PropertyCell::kValueOffset));
-
-  // Check that value is not the_hole.
-  __ CompareRoot(result_reg, Heap::kTheHoleValueRootIndex);
-  __ j(equal, &slow_case, Label::kNear);
-  __ Ret();
-
-  // Fallback to the runtime.
-  __ bind(&slow_case);
-  __ Integer32ToSmi(slot_reg, slot_reg);
-  __ PopReturnAddressTo(kScratchRegister);
-  __ Push(slot_reg);
-  __ Push(kScratchRegister);
-  __ TailCallRuntime(Runtime::kLoadGlobalViaContext);
-}
-
-
 void StoreGlobalViaContextStub::Generate(MacroAssembler* masm) {
   Register context_reg = rsi;
   Register slot_reg = rbx;