Merge r9516 into 3.4 branch.

test/mjsunit/regress/regress-98773.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 19 matching lines @@
 var array = new Int16Array(23);
 array[7] = 7; array[9] = 9;
 assertEquals(23, array.length);
 assertEquals(7, array[7]);
 assertEquals(9, array[9]);
 
 Array.prototype.sort.call(array);
 assertEquals(23, array.length);
 assertEquals(7, array[21]);
 assertEquals(9, array[22]);