Original patch by Olivier Goffart <ogoffart@kde.org>.

BUG=v8:2136
TEST=

Review URL: https://chromiumcodereview.appspot.com/10387210

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11600 ce2b1a6d-e550-0410-aec6-3dcde31c8c00