Use Unique<Map> in CompareMap.

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 1034 matching lines @@
   }
   if (expected_input_types_.Contains(ToBooleanStub::SMI)) {
     return Representation::Smi();
   }
   return Representation::None();
 }
 
 
 void HCompareMap::PrintDataTo(StringStream* stream) {
   value()->PrintNameTo(stream);
-  stream->Add(" (%p)", *map());
+  stream->Add(" (%p)", *map().handle());
   HControlInstruction::PrintDataTo(stream);
 }
 
 
 const char* HUnaryMathOperation::OpName() const {
   switch (op()) {
     case kMathFloor: return "floor";
     case kMathRound: return "round";
     case kMathAbs: return "abs";
     case kMathLog: return "log";
@@ skipping 3157 matching lines @@
       break;
     case kExternalMemory:
       stream->Add("[external-memory]");
       break;
   }
 
   stream->Add("@%d", offset());
 }
 
 } }  // namespace v8::internal