<rdar://problem/7194735> Patch, including test cases, forthcoming.
Created attachment 42396 [details] Defer changes to the widget hierarchy during attach(), detach() and recalcStyle()
Comment on attachment 42396 [details] Defer changes to the widget hierarchy during attach(), detach() and recalcStyle() Eek! Thanks Dan!
Fixed in <http://trac.webkit.org/projects/webkit/changeset/50470>