R=rossberg@chromium.org
BUG=v8:2219
TEST=mjsunit/regress/regress-2219

Review URL: https://chromiumcodereview.appspot.com/10703103

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@12001 ce2b1a6d-e550-0410-aec6-3dcde31c8c00