Merge r9153 into 3.5 branch. This fixes a possible crash in FixedDoubleArray::Initialize().

test/mjsunit/regress/regress-95113.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 28 matching lines @@
   a[0] = 1.5;
   a.length = 2;
   a[1] = 2.5;
   assertEquals(a[0], 1.5);
   assertEquals(a[1], 2.5);
   assertTrue(%HasFastDoubleElements(a));
   return a;
 }
 
 var a = get_double_array();