[Bug 19870] crash on EnumDisplayMonitors() callback return

http://bugs.winehq.org/show_bug.cgi?id=19870

--- Comment #7 from Dmitry Timoshkov   2009-08-29 00:56:51 ---
(In reply to comment #6)
> It was:
> error: invalid conversion from 'BOOL (*)(HMONITOR__*, HDC__*, tagRECT*,
> LPARAM)' to 'BOOL (*)(HMONITOR__*, HDC__*, tagRECT*, LPARAM)'
> Not obvious that issue was in calling conventions.

Report that to gcc/mingw developers.
> And type casting was hiding it.

If you need to use type casts that's a good sign that something is wrong.
Besides the calling convention '&' is redundant as well.
> I thought it's wine bug because same cross-compiled app was ok on win, and
> crashed on wine. No different compilers, no different includes.

Perhaps a slightly different stack layout.