Push change 5144, a fix of ARM code generation, to V8 2.2 branch.

test/mjsunit/regress/regress-784.js

 // 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 22 matching lines @@
 
 A = {x:{y:function(i){return i;}}};
 B = function(x){return 17;};
 
 foo = function () {
   A.x.y(B.apply(this, arguments));
 };
 
 foo();
 foo("Hello", "There");