R=rossberg@chromium.org
BUG=v8:1475
TEST=test262/15.2.3.6-4-4??

Review URL: http://codereview.chromium.org/8911006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10258 ce2b1a6d-e550-0410-aec6-3dcde31c8c00