MaybeObject*. Instead return the failure which will be handled
correctly by the caller. This code would lead to a crash if ever
executed.


Review URL: http://codereview.chromium.org/5182006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5852 ce2b1a6d-e550-0410-aec6-3dcde31c8c00