Convert the array iterator protector to a PropertyCell.

src/builtins/x64/builtins-x64.cc

 // Copyright 2012 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.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 2831 matching lines @@
   __ j(not_equal, &runtime_call);
 
   // Check that we have the original ArrayPrototype.
   __ movp(rcx, FieldOperand(r15, Map::kPrototypeOffset));
   __ cmpp(rcx, ContextOperand(r14, Context::INITIAL_ARRAY_PROTOTYPE_INDEX));
   __ j(not_equal, &runtime_call);
 
   // Check that the ArrayPrototype hasn't been modified in a way that would
   // affect iteration.
   __ LoadRoot(rcx, Heap::kArrayIteratorProtectorRootIndex);
-  __ Cmp(FieldOperand(rcx, Cell::kValueOffset),
+  __ Cmp(FieldOperand(rcx, PropertyCell::kValueOffset),
          Smi::FromInt(Isolate::kProtectorValid));
   __ j(not_equal, &runtime_call);
 
   // Check that the map of the initial array iterator hasn't changed.
   __ movp(rcx,
           ContextOperand(r14, Context::INITIAL_ARRAY_ITERATOR_PROTOTYPE_INDEX));
   __ movp(rcx, FieldOperand(rcx, HeapObject::kMapOffset));
   __ cmpp(rcx, ContextOperand(
                    r14, Context::INITIAL_ARRAY_ITERATOR_PROTOTYPE_MAP_INDEX));
   __ j(not_equal, &runtime_call);
@@ skipping 402 matching lines @@
 void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) {
   Generate_OnStackReplacementHelper(masm, true);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64