Merge bleeding edge up to 8774 into the GC branch.

test/cctest/log-eq-of-logging-and-traversal.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 173 matching lines @@
       out.push((c[0] ? "  " : "* ") +
                c[1].toString(16) + " " +
                (c[2] ? c[2] : "---") + " " +
                (c[3] ? c[3] : "---"));
     }
   }
   result[0] ? true : out.join("\n");
 } else {
   result;
 }