See detail for example:
Looks workerContext ref counted error.
Created attachment 46432 [details]
Committed r53182: <http://trac.webkit.org/changeset/53182>
http://trac.webkit.org/changeset/53182 is just adding the crash test in Skipped.
Comment on attachment 46432 [details]
The overall patch seems fine. It would be nice to explain just a little (in the changelog) why not doing this causes a crash.
Committed r53226: <http://trac.webkit.org/changeset/53226>
Committed r53227: <http://trac.webkit.org/changeset/53227>