http://bugs.winehq.org/show_bug.cgi?id=17094
--- Comment #3 from Rich Rincebrain@gmail.com 2009-01-23 22:06:34 --- Fascinating.
Appears to be something specific to my .wine's configuration - is not DirectDrawRenderer, UseGLSL, or OffscreenRenderingMode.
I'm rather confused, to be honest. I'm not sure if I should close this as invalid or not, since it's a bug that apparently only appears with a very specific config.