http://bugs.winehq.org/show_bug.cgi?id=22434
--- Comment #26 from Stefan Dösinger stefandoesinger@gmx.at 2011-08-18 04:15:10 CDT --- Yes, please recompile Wine with lower optimization(preferably the default -O2 -g) and attach a new backtrace. I'd also prefer if you compiled Wine manually rather than with Gentoo's ebuild because Gentoo strips debug symbols away after compilation(this can be turned off I think).