Remove the virtual declaration from a couple of non-virtual JumpTarget...

src/jump-target-heavy.h

 // Copyright 2008 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 99 matching lines @@
   // jump and there will be no current frame after the jump.
   virtual void Jump();
   virtual void Jump(Result* arg);
 
   // Emit a conditional branch to the target.  There must be a current
   // frame at the branch.  The current frame will fall through to the
   // code after the branch.  The arg is a result that is live both at
   // the target and the fall-through.
   virtual void Branch(Condition cc, Hint hint = no_hint);
   virtual void Branch(Condition cc, Result* arg, Hint hint = no_hint);
-  virtual void Branch(Condition cc,
-                      Result* arg0,
-                      Result* arg1,
-                      Hint hint = no_hint);
+  void Branch(Condition cc,
+              Result* arg0,
+              Result* arg1,
+              Hint hint = no_hint);
 
   // Bind a jump target.  If there is no current frame at the binding
   // site, there must be at least one frame reaching via a forward
   // jump.
   virtual void Bind();
   virtual void Bind(Result* arg);
-  virtual void Bind(Result* arg0, Result* arg1);
+  void Bind(Result* arg0, Result* arg1);
 
   // Emit a call to a jump target.  There must be a current frame at
   // the call.  The frame at the target is the same as the current
   // frame except for an extra return address on top of it.  The frame
   // after the call is the same as the frame before the call.
   void Call();
 
   static void set_compiling_deferred_code(bool flag) {
     compiling_deferred_code_ = flag;
   }
@@ skipping 94 matching lines @@
   // The expected height of the expression stack where the target will
   // be bound, statically known at initialization time.
   int expected_height_;
 
   DISALLOW_COPY_AND_ASSIGN(BreakTarget);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_JUMP_TARGET_HEAVY_H_