ExecState::vm() is currently implemented as ExecState::callee()->vm(), which is sad because callee() does a null check.
Created attachment 252320 [details] Patch
Comment on attachment 252320 [details] Patch r=me
Comment on attachment 252320 [details] Patch Clearing flags on attachment: 252320 Committed r183753: <http://trac.webkit.org/changeset/183753>
All reviewed patches have been landed. Closing bug.