R=rossberg
BUG=

Committed https://code.google.com/p/v8/source/detail?r=14506

Review URL: https://codereview.chromium.org/13977018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14508 ce2b1a6d-e550-0410-aec6-3dcde31c8c00