Push 64-bit crash fix to trunk.

test/mjsunit/array-splice.js

 // Copyright 2008 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 291 matching lines @@
 }
 
 
 // Test http://b/issue?id=1202711
 arr = [0];
 arr.length = 2;
 Array.prototype[1] = 1;
 assertEquals(1, arr.pop());
 assertEquals(0, arr.pop());
 Array.prototype[1] = undefined;
+
+// Test http://code.google.com/p/chromium/issues/detail?id=21860
+Array.prototype.push.apply([], [1].splice(0, -(-1 % 5)));