Clear EnumIndices as well on CNLT.

src/objects.h

 // Copyright 2012 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 2489 matching lines @@
   inline int number_of_entries() { return number_of_descriptors(); }
 
   bool HasEnumCache() {
     return !IsEmpty() && !get(kEnumCacheIndex)->IsSmi();
   }
 
   void CopyEnumCacheFrom(DescriptorArray* array) {
     set(kEnumCacheIndex, array->get(kEnumCacheIndex));
   }
 
-  Object* GetEnumCache() {
+  FixedArray* GetEnumCache() {
     ASSERT(HasEnumCache());
     FixedArray* bridge = FixedArray::cast(get(kEnumCacheIndex));
-    return bridge->get(kEnumCacheBridgeCacheIndex);
+    return FixedArray::cast(bridge->get(kEnumCacheBridgeCacheIndex));
+  }
+
+  bool HasEnumIndicesCache() {
+    if (IsEmpty()) return false;
+    Object* object = get(kEnumCacheIndex);
+    if (object->IsSmi()) return false;
+    FixedArray* bridge = FixedArray::cast(object);
+    return bridge->get(kEnumCacheBridgeIndicesCacheIndex)->IsSmi();
+  }
+
+  FixedArray* GetEnumIndicesCache() {
+    ASSERT(HasEnumIndicesCache());
+    FixedArray* bridge = FixedArray::cast(get(kEnumCacheIndex));
+    return FixedArray::cast(bridge->get(kEnumCacheBridgeIndicesCacheIndex));
   }
 
   Object** GetEnumCacheSlot() {
     ASSERT(HasEnumCache());
     return HeapObject::RawField(reinterpret_cast<HeapObject*>(this),
                                 kEnumCacheOffset);
   }
 
   void ClearEnumCache();
 
@@ skipping 6468 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_