http://bugs.winehq.org/show_bug.cgi?id=27381
--- Comment #5 from Henri Verbeet hverbeet@gmail.com 2012-02-16 06:45:49 CST --- (In reply to comment #3)
Could you please try with 1.3.23? I was working with the latest git this last weekend and I didn't have any problems saving. Hopefully your issue has already been resolved.
The attached backtrace looks a bit like a use after free. I suppose you could try if WINEDEBUG=warn+heap makes it crash, but my impression is that it's probably fixed already and the original reporter has abandoned the bug report.