Merge 6006:6095 from bleeding_edge to experimental/gc branch.

test/mjsunit/regress/regress-swapelements.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 35 matching lines @@
 function test() {
   for (var i = 0; i < size; i++) {
     array1[i] = new Item(i);
     array1[i].toString = myToString;
   }
   array1.sort();
 }
 
 
 test();