This caused some regressions in Chromium.

BUG=http://crbug.com/36604
Review URL: http://codereview.chromium.org/652228

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3939 ce2b1a6d-e550-0410-aec6-3dcde31c8c00