Revert of Revert of [strong] Implement strong mode restrictions on property access

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 48a2a885ed885fb2e2ec9e8ced9f63f2bdbb4def..3b896c51c181fd574e690ed48185d75b5838700e 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -4375,7 +4375,7 @@
 
 void KeyedLoadICTrampolineStub::Generate(MacroAssembler* masm) {
   EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister());
-  KeyedLoadICStub stub(isolate());
+  KeyedLoadICStub stub(isolate(), state());
   stub.GenerateForTrampoline(masm);
 }
 
@@ -4554,7 +4554,7 @@
   __ CompareRoot(feedback, Heap::kmegamorphic_symbolRootIndex);
   __ j(not_equal, &try_poly_name);
   Handle<Code> megamorphic_stub =
-      KeyedLoadIC::ChooseMegamorphicStub(masm->isolate());
+      KeyedLoadIC::ChooseMegamorphicStub(masm->isolate(), GetExtraICState());
   __ jmp(megamorphic_stub, RelocInfo::CODE_TARGET);
 
   __ bind(&try_poly_name);