Port r13033 (58c2efbb)

BUG=
TEST=

Review URL: https://codereview.chromium.org/11413146
Patch from palfia <palfia@homejinni.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13046 ce2b1a6d-e550-0410-aec6-3dcde31c8c00