Merge bleeding edge up to 8774 into the GC branch.

test/mjsunit/scope-calls-eval.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 45 matching lines @@
     with ({e:42}) {
       return x;
     }
   }
   return g();
 }
 
 
 assertEquals(3, f1());
 assertEquals(3, f2());