[strong] Implement strong property access semantics

src/x64/code-stubs-x64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 4354 matching lines @@
 
 void LoadICTrampolineStub::Generate(MacroAssembler* masm) {
   EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister());
   LoadICStub stub(isolate(), state());
   stub.GenerateForTrampoline(masm);
 }
 
 
 void KeyedLoadICTrampolineStub::Generate(MacroAssembler* masm) {
   EmitLoadTypeFeedbackVector(masm, LoadWithVectorDescriptor::VectorRegister());
-  KeyedLoadICStub stub(isolate());
+  KeyedLoadICStub stub(isolate(), state());
   stub.GenerateForTrampoline(masm);
 }
 
 
 static void HandleArrayCases(MacroAssembler* masm, Register receiver,
                              Register key, Register vector, Register slot,
                              Register feedback, Register receiver_map,
                              Register scratch1, Register scratch2,
                              Register scratch3, bool is_polymorphic,
                              Label* miss) {
@@ skipping 158 matching lines @@
   Label polymorphic, try_poly_name;
   __ bind(&polymorphic);
   HandleArrayCases(masm, receiver, key, vector, slot, feedback, receiver_map,
                    integer_slot, r11, r15, true, &miss);
 
   __ bind(&not_array);
   // Is it generic?
   __ 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);
   // We might have a name in feedback, and a fixed array in the next slot.
   __ cmpp(key, feedback);
   __ j(not_equal, &miss);
   // If the name comparison succeeded, we know we have a fixed array with
   // at least one map/handler pair.
   __ movp(feedback, FieldOperand(vector, integer_slot, times_pointer_size,
                                  FixedArray::kHeaderSize + kPointerSize));
@@ skipping 858 matching lines @@
                            kStackSpace, nullptr, return_value_operand, NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64