BUG=v8:1099
TEST=test/mjsunit/regress/regress-1099.js

Review URL: http://codereview.chromium.org/6246106

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6649 ce2b1a6d-e550-0410-aec6-3dcde31c8c00