Merge experimental/gc branch to the bleeding_edge.

src/arm/lithium-arm.cc

Index: src/arm/lithium-arm.cc
===================================================================
--- src/arm/lithium-arm.cc	(revision 9327)
+++ src/arm/lithium-arm.cc	(working copy)
@@ -1749,14 +1749,11 @@
 
 
 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;
 }