Remove obsolete bug TODO

src/x64/virtual-frame-x64.cc

 // Copyright 2010 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 1015 matching lines @@
   PrepareForCall(2, 0);  // Two stack args, neither callee-dropped.
   return RawCallCodeObject(ic, mode);
 }
 
 
 Result VirtualFrame::CallKeyedStoreIC() {
   // Value, key, and receiver are on the top of the frame.  The IC
   // expects value in rax and key and receiver on the stack.  It does
   // not drop the key and receiver.
   Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize));
-  // TODO(1222589): Make the IC grab the values from the stack.
   Result value = Pop();
   PrepareForCall(2, 0);  // Two stack args, neither callee-dropped.
   value.ToRegister(rax);
   value.Unuse();
   return RawCallCodeObject(ic, RelocInfo::CODE_TARGET);
 }
 
 
 Result VirtualFrame::CallCallIC(RelocInfo::Mode mode,
                                 int arg_count,
@@ skipping 87 matching lines @@
   // Grow the expression stack by handler size less one (the return
   // address is already pushed by a call instruction).
   Adjust(kHandlerSize - 1);
   __ PushTryHandler(IN_JAVASCRIPT, type);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal