http://bugs.winehq.org/show_bug.cgi?id=27375
--- Comment #10 from GyB gyebro69@gmail.com 2011-06-27 08:36:05 CDT --- I think this bug has close resemblance to bug #27057. In #27057 people claim that WoW launcher crashes in mshtml when compiling Wine with GCC-4.6.0 using cflag -O2.