bug#17753: Cygwin emacs-X11 core dump

[Eli Zaretskii]

> Date: Thu, 09 Oct 2014 11:08:32 +0200
> From: Markus Hoenicka <markus.hoenicka@mhoenicka.de>
> Cc: kbrown@cornell.edu, 17753@debbugs.gnu.org
> 
> (gdb) print FRAME_FACE_CACHE (it->f)->used
> No symbol "FRAME_FACE_CACHE" in current context.

Please do this instead:

  (gdb) print (it->f)->face_cache->used

Thanks.