Port r9643 to 3.7 branch.

TBR: danno.

R=danno@chromium.org

Review URL: http://codereview.chromium.org/8314021

git-svn-id: http://v8.googlecode.com/svn/trunk@9653 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
5 files changed