[Isolates] Merge 6700:7030 from bleeding_edge to isolates.

test/mjsunit/regress/regress-1167.js

 // Copyright 2011 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 52 matching lines @@
 function side_effect() { }
 function observe(x, y) { return x; }
 function test2(x) {
   return observe(this,
                  (((side_effect.observe <= side_effect.side_effect) !== false),
                   x + 1));
 }
 
 for (var i = 0; i < 1000000; ++i) test2(0);
 test2(test2);