Fix ARM build

src/arm/lithium-arm.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 2187 matching lines @@
 }
 
 
 LInstruction* LChunkBuilder::DoTransitionElementsKind(
     HTransitionElementsKind* instr) {
   LOperand* object = UseRegister(instr->object());
   if (IsSimpleMapChangeTransition(instr->from_kind(), instr->to_kind())) {
     LOperand* new_map_reg = TempRegister();
     LTransitionElementsKind* result =
         new(zone()) LTransitionElementsKind(object, new_map_reg, NULL);
-    return DefineSameAsFirst(result);
+    return result;
   } else if (FLAG_compiled_transitions) {
     LTransitionElementsKind* result =
         new(zone()) LTransitionElementsKind(object, NULL, NULL);
     return AssignPointerMap(result);
   } else {
     LOperand* object = UseFixed(instr->object(), r0);
     LOperand* fixed_object_reg = FixedTemp(r2);
     LOperand* new_map_reg = FixedTemp(r3);
     LTransitionElementsKind* result =
         new(zone()) LTransitionElementsKind(object,
@@ skipping 321 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
   LOperand* object = UseRegister(instr->object());
   LOperand* index = UseRegister(instr->index());
   return DefineAsRegister(new(zone()) LLoadFieldByIndex(object, index));
 }
 
 
 } }  // namespace v8::internal