bug#59715: 28.2; Emacs crashes after ``turkish-case-conversion-enable''

[Eli Zaretskii]

> From: YUSUF ALPER ÇIKIŞIR
>  <yusufcikisir@std.iyte.edu.tr>
> Cc: 59715@debbugs.gnu.org
> Date: Sun, 04 Dec 2022 11:33:34 +0300
> 
> Also, this is the "thread apply all bt" output of that build.  Sorry I
> forgot to mention it.

That's an entirely different ball game...

> Thread 1 (LWP 4827 "emacs"):
> #0  0x00007ffff6538c30 in raise () from 
> /gnu/store/5h2w4qi9hk1qzzgi1w83220ydslinr4s-glibc-2.33/lib/libpthread.so.0
> #1  0x0000000000562ee1 in terminate_due_to_signal (sig=6, backtrace_limit=40) 
> at emacs.c:437
> #2  0x000000000058d8e1 in emacs_abort () at sysdep.c:2282
> #3  0x0000000000525967 in realize_gui_face (cache=0xfab5e0, 
> attrs=0x7fffffff9f60) at xfaces.c:5941

Please tell what this produces:

  (gdb) frame 3
  (gdb) p default_face
  (gdb) p f->output_data.x->fontset

Also, do you have any customizations of the fontsets?  Like calls to
set-fontset-font etc.?