See detail for example: http://build.webkit.org/results/Leopard%20Intel%20Debug%20(Tests)/r53175%20(9185)/websocket/tests/workers/worker-simple-stderr.txt Looks workerContext ref counted error.
Created attachment 46432 [details] Patch
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] Patch 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>