Basically, we need to enter a DelayedReleaseScope before doing a sweep.
Created attachment 230386 [details] the patch.
Comment on attachment 230386 [details] the patch. r=me
Comment on attachment 230386 [details] the patch. Clearing flags on attachment: 230386 Committed r167945: <http://trac.webkit.org/changeset/167945>
All reviewed patches have been landed. Closing bug.