Merge experimental/gc branch to the bleeding_edge.

src/arm/lithium-arm.cc

 // Copyright 2011 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 1731 matching lines @@
 
 
 LInstruction* LChunkBuilder::DoLoadGlobalGeneric(HLoadGlobalGeneric* instr) {
   LOperand* global_object = UseFixed(instr->global_object(), r0);
   LLoadGlobalGeneric* result = new LLoadGlobalGeneric(global_object);
   return MarkAsCall(DefineFixed(result, r0), instr);
 }
 
 
 LInstruction* LChunkBuilder::DoStoreGlobalCell(HStoreGlobalCell* instr) {
-  if (instr->check_hole_value()) {
-    LOperand* temp = TempRegister();
-    LOperand* value = UseRegister(instr->value());
-    return AssignEnvironment(new LStoreGlobalCell(value, temp));
-  } else {
-    LOperand* value = UseRegisterAtStart(instr->value());
-    return new LStoreGlobalCell(value, NULL);
-  }
+  LOperand* temp = TempRegister();
+  LOperand* value = UseTempRegister(instr->value());
+  LInstruction* result = new LStoreGlobalCell(value, temp);
+  if (instr->check_hole_value()) result = AssignEnvironment(result);
+  return result;
 }
 
 
 LInstruction* LChunkBuilder::DoStoreGlobalGeneric(HStoreGlobalGeneric* instr) {
   LOperand* global_object = UseFixed(instr->global_object(), r1);
   LOperand* value = UseFixed(instr->value(), r0);
   LStoreGlobalGeneric* result =
       new LStoreGlobalGeneric(global_object, value);
   return MarkAsCall(result, instr);
 }
@@ skipping 413 matching lines @@
 
 LInstruction* LChunkBuilder::DoIn(HIn* instr) {
   LOperand* key = UseRegisterAtStart(instr->key());
   LOperand* object = UseRegisterAtStart(instr->object());
   LIn* result = new LIn(key, object);
   return MarkAsCall(DefineFixed(result, r0), instr);
 }
 
 
 } }  // namespace v8::internal