Use Null as "no accessor" in AccessorPair instead of TheHole

src/factory.cc

 // Copyright 2014 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/factory.h"
 
 #include "src/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/conversions.h"
@@ skipping 172 matching lines @@
 
 
 Handle<OrderedHashMap> Factory::NewOrderedHashMap() {
   return OrderedHashMap::Allocate(isolate(), OrderedHashMap::kMinCapacity);
 }
 
 
 Handle<AccessorPair> Factory::NewAccessorPair() {
   Handle<AccessorPair> accessors =
       Handle<AccessorPair>::cast(NewStruct(ACCESSOR_PAIR_TYPE));
-  accessors->set_getter(*the_hole_value(), SKIP_WRITE_BARRIER);
-  accessors->set_setter(*the_hole_value(), SKIP_WRITE_BARRIER);
+  accessors->set_getter(*null_value(), SKIP_WRITE_BARRIER);
+  accessors->set_setter(*null_value(), SKIP_WRITE_BARRIER);
   return accessors;
 }
 
 
 Handle<TypeFeedbackInfo> Factory::NewTypeFeedbackInfo() {
   Handle<TypeFeedbackInfo> info =
       Handle<TypeFeedbackInfo>::cast(NewStruct(TYPE_FEEDBACK_INFO_TYPE));
   info->initialize_storage();
   return info;
 }
@@ skipping 2166 matching lines @@
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 }  // namespace internal
 }  // namespace v8