Merge 6168:6800 from bleeding_edge to experimental/gc branch.

test/mjsunit/regress/regress-1117.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 15 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // Test that we actually return the right value (-0) when we multiply
 // constant 0 with a negative integer.
 
 function foo(y) {return 0 * y; }
 for( var i = 0; i< 1000000; i++){
   foo(42);
 }
 assertEquals(1/foo(-42), -Infinity);