A64: Eliminate static initializers

src/a64/lithium-gap-resolver-a64.h

 // Copyright 2013 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 53 matching lines @@
 
   // Emit a move and remove it from the move graph.
   void EmitMove(int index);
 
   // Emit a move from one stack slot to another.
   void EmitStackSlotMove(int index);
 
   // Verify the move list before performing moves.
   void Verify();
 
-  // Register used to break cycle in moves list.
-  static const Register kSavedValue;
-
   LCodeGen* cgen_;
 
   // List of moves not yet resolved.
   ZoneList<LMoveOperands> moves_;
 
   int root_index_;
   bool in_cycle_;
   LOperand* saved_destination_;
 
   // We use the root register as a scratch in a few places. When that happens,
   // this flag is set to indicate that it needs to be restored.
   bool need_to_restore_root_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_A64_LITHIUM_GAP_RESOLVER_A64_H_