http://bugs.winehq.org/show_bug.cgi?id=6961
------- Additional Comments From s_j_newbury@yahoo.co.uk 2007-26-05 12:02 ------- Seems my issue is stemming from the compilation of surface_gdi.c. Compiling the library with -O1 works, I'll see if I can track it down. Looks like it might be a compiler bug...