Revert r14930 and r14935 temporarily.

src/hydrogen-instructions.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 3125 matching lines @@
   if (!input_rep.IsTagged()) rep = rep.generalize(input_rep);
   return rep;
 }
 
 
 HType HStringCharFromCode::CalculateInferredType() {
   return HType::String();
 }
 
 
+HType HAllocateObject::CalculateInferredType() {
+  return HType::JSObject();
+}
+
+
 HType HAllocate::CalculateInferredType() {
   return type_;
 }
 
 
 void HAllocate::PrintDataTo(StringStream* stream) {
   size()->PrintNameTo(stream);
   if (!GuaranteedInNewSpace()) stream->Add(" (pretenure)");
 }
 
@@ skipping 710 matching lines @@
     case kBackingStore:
       if (!name_.is_null()) stream->Add(*String::cast(*name_)->ToCString());
       stream->Add("[backing-store]");
       break;
   }
 
   stream->Add("@%d", offset());
 }
 
 } }  // namespace v8::internal