bug#9902: 24.0.90; Assertion failed: WINDOWP in xdisp.c

[Eli Zaretskii]

> From: Chong Yidong <cyd@gnu.org>
> Date: Sat, 29 Oct 2011 13:55:06 +0800
> Cc: 9902@debbugs.gnu.org
> 
> Christoph Scholtes <cschol2112@googlemail.com> writes:
> 
> > #0  0x76d6280d in KERNELBASE!DeleteAce ()
> >    from /cygdrive/c/Windows/syswow64/KERNELBASE.dll
> > No symbol table info available.
> > #1  0x0115009f in w32_abort () at w32fns.c:7196
> >         button = 6
> > #2  0x01042286 in die (
> >     msg=0x15aa4b4 "assertion failed: WINDOWP (hlinfo->mouse_face_window)",
> >     file=0x159d4e8 "xdisp.c", line=25483) at alloc.c:6261
> > No locals.
> > #3  0x0122954d in show_mouse_face (hlinfo=0x1633420, draw=DRAW_NORMAL_TEXT)
> >     at xdisp.c:25483
> >         w = 0xffffffff
> >         f = 0x88e40c
> > #4  0x012299cd in clear_mouse_face (hlinfo=0x1633420) at xdisp.c:25613
> >         cleared = 0
> 
> Please do
> 
> f 3
> pp hlinfo->mouse_face_window

My crystal ball says this will produce "nil".  If so, I think I fixed
this in revision 106232 on the trunk.