Correct handling of arrays with callbacks in the prototype chain.

src/heap.h

Index: src/heap.h
diff --git a/src/heap.h b/src/heap.h
index 96cda586b7c9ea464bc7b1fd39d38c160b34e207..01b1d53eca184f81e1d1754000e47ce7102c8a88 100644
--- a/src/heap.h
+++ b/src/heap.h
@@ -188,6 +188,7 @@ namespace internal {
   V(Map, external_map, ExternalMap)                                            \
   V(Symbol, frozen_symbol, FrozenSymbol)                                       \
   V(Symbol, elements_transition_symbol, ElementsTransitionSymbol)              \
+  V(Symbol, element_callbacks_symbol, ElementCallbacksSymbol)                  \
   V(SeededNumberDictionary, empty_slow_element_dictionary,                     \
       EmptySlowElementDictionary)                                              \
   V(Symbol, observed_symbol, ObservedSymbol)
@@ -767,6 +768,8 @@ class Heap {
   // Clear the Instanceof cache (used when a prototype changes).
   inline void ClearInstanceofCache();
 
+  void ClearAllICsByKind(Code::Kind kind);
+
   // For use during bootup.
   void RepairFreeListsAfterBoot();