Correct handling of arrays with callbacks in the prototype chain.

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index 30f8a8dfbb8cec982fdee21e9308de9c10726746..b063cb4ca12895337ed29dfd28665d1bc19d5c91 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -975,6 +975,10 @@ class MacroAssembler: public Assembler {
     bind(&no_memento_found);
   }
 
+  // Jumps to found label if a prototype map has element callbacks.
+  void HasElementCallbacksInPrototypeChain(Register object, Register elements,
+                                           Label* found);
+
  private:
   bool generating_stub_;
   bool allow_stub_calls_;