Merge up to 8597 to experimental/gc from the bleeding edge.

test/mjsunit/regress/regress-1436.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 59 matching lines @@
 [2, 3].map(strict);
 [2, 3].map(strict, undefined);
 [2, 3].map(strict_null, null);
 
 [2, 3].some(non_strict);
 [2, 3].some(non_strict, undefined);
 [2, 3].some(non_strict, null);
 [2, 3].some(strict);
 [2, 3].some(strict, undefined);
 [2, 3].some(strict_null, null);