Change implementation of JSObject::HasHiddenProperties to work as before 9510.

src/objects.cc

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3407 matching lines @@
   if (entry == StringDictionary::kNotFound) {
     // Key wasn't in dictionary. Deletion is a success.
     return;
   }
   // Key was in the dictionary. Remove it.
   dictionary->DeleteProperty(entry, JSReceiver::FORCE_DELETION);
 }
 
 
 bool JSObject::HasHiddenProperties() {
-  LookupResult lookup;
-  LocalLookupRealNamedProperty(GetHeap()->hidden_symbol(), &lookup);
-  return lookup.IsFound();
+  return GetPropertyAttributePostInterceptor(this,
+                                             GetHeap()->hidden_symbol(),
+                                             false) != ABSENT;
 }
 
 
 MaybeObject* JSObject::GetHiddenPropertiesDictionary(bool create_if_absent) {
   ASSERT(!IsJSGlobalProxy());
   if (HasFastProperties()) {
     // If the object has fast properties, check whether the first slot
     // in the descriptor array matches the hidden symbol. Since the
     // hidden symbols hash code is zero (and no other string has hash
     // code zero) it will always occupy the first entry if present.
@@ skipping 8739 matching lines @@
   if (break_point_objects()->IsUndefined()) return 0;
   // Single break point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }
 #endif
 
 
 } }  // namespace v8::internal