bug#54183: 28.0.91; Emacs crashes on bookmark-jump

[Eli Zaretskii]

> Date: Mon, 28 Feb 2022 19:14:50 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 54183@debbugs.gnu.org
> 
> > (gdb) 
> 
> At this point, please type the following commands (without the "(gdb)"
> part -- that just shows the GDB prompt at which you type):
> 
>   (gdb) thread 1
>   (gdb) frame 2
>   (gdb) print p->which
>   (gdb) print max_fringe_bmp
>   (gdb) print fringe_bmp[p->which]

And one more command:

  (gdb) print max_used_fringe_bitmap

Thanks.