Created attachment 52267 [details] Crash log Steps to reproduce: 1. Open a Safari 3. Turn on Private Browsing 4. Turn off Private Browsing What happens: browser crashes. This issue wasn't there in the previous nightly so given the recent crashes, it might have to do with 36928.
I fixed a bug like this yesterday (r56856), can you please try with trunk?
Safe and sound with r56969.