Also eliminate map checks with transitions.

src/hydrogen.cc

 // Copyright 2013 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 4531 matching lines @@
 
 void HOptimizedGraphBuilder::AddCheckMap(HValue* object, Handle<Map> map) {
   BuildCheckHeapObject(object);
   AddInstruction(HCheckMaps::New(object, map, zone(), top_info()));
 }
 
 
 void HOptimizedGraphBuilder::AddCheckMapsWithTransitions(HValue* object,
                                                          Handle<Map> map) {
   BuildCheckHeapObject(object);
-  AddInstruction(HCheckMaps::NewWithTransitions(object, map, zone()));
+  AddInstruction(HCheckMaps::NewWithTransitions(
+      object, map, zone(), top_info()));
 }
 
 
 HInstruction* HOptimizedGraphBuilder::BuildStoreNamedField(
     HValue* object,
     Handle<String> name,
     HValue* value,
     Handle<Map> map,
     LookupResult* lookup) {
   ASSERT(lookup->IsFound());
@@ skipping 5385 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal