Get rid of LoadAndSpill on ARM since Load() knows whether it is...

src/arm/virtual-frame-arm.h

 // Copyright 2009 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 451 matching lines @@
   // Then drop dropped_args elements from the virtual frame, to match
   // the effect of an upcoming call that will drop them from the stack.
   void PrepareForCall(int spilled_args, int dropped_args);
 
   // If all top-of-stack registers are in use then the lowest one is pushed
   // onto the physical stack and made free.
   void EnsureOneFreeTOSRegister();
 
   // Emit instructions to get the top of stack state from where we are to where
   // we want to be.
-  void MergeTOSTo(TopOfStack expected_state, Condition cond);
+  void MergeTOSTo(TopOfStack expected_state, Condition cond = al);
 
   inline bool Equals(const VirtualFrame* other);
 
   friend class JumpTarget;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_VIRTUAL_FRAME_ARM_H_