I'm getting very frequent crashes on regression tests. Could be related to the editing tests I'm trying to enable, or a slower machine (Core 2 Duo iMac) - I didn't see these a few days before on a Mac Pro.
Hopefully, the stack trace will make sense.
Created attachment 62490 [details]
Oops, I was looking at a wrong thread. Re-titling the bug.
Created attachment 63347 [details]
Comment on attachment 63347 [details]
Committed r64564: <http://trac.webkit.org/changeset/64564>