http://bugs.winehq.org/show_bug.cgi?id=13829
--- Comment #36 from Michal Suchanek hramrach@gmail.com 2011-04-14 09:09:15 CDT --- Then your X server is broken. No decent program crashes, ever.
Regarding the source I don't have it at hand.
It is a program that displays a text edit and preloads it with some sample text, nothing overly complex.
Since Wine aims at binary compatibility I did not include the source.