Merged r18241 into 3.23 branch.

src/code-stubs-hydrogen.cc

 // 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 596 matching lines @@
   return DoGenerateCode(isolate, this);
 }
 
 
 template<>
 HValue* CodeStubGraphBuilder<KeyedArrayCallStub>::BuildCodeStub() {
   int argc = casted_stub()->argc() + 1;
   info()->set_parameter_count(argc);
 
   HValue* receiver = Add<HParameter>(1);
+  BuildCheckHeapObject(receiver);
 
   // Load the expected initial array map from the context.
   JSArrayBuilder array_builder(this, casted_stub()->elements_kind());
   HValue* map = array_builder.EmitMapCode();
 
   HValue* checked_receiver = Add<HCheckMapValue>(receiver, map);
 
   HValue* function = BuildUncheckedMonomorphicElementAccess(
       checked_receiver, GetParameter(0),
       NULL, true, casted_stub()->elements_kind(),
@@ skipping 703 matching lines @@
   return BuildUncheckedDictionaryElementLoad(receiver, key);
 }
 
 
 Handle<Code> KeyedLoadDictionaryElementStub::GenerateCode(Isolate* isolate) {
   return DoGenerateCode(isolate, this);
 }
 
 
 } }  // namespace v8::internal