bug#27839: crash report

[Eli Zaretskii]

> Date: Wed, 26 Jul 2017 13:34:01 +0000 (UTC)
> From: Wolfram Volpi <wolf_volpi@yahoo.com>
> 
> Stack trace of thread 17674:
> #0  0x00007f606b48e16b raise (libpthread.so.0)
> #1  0x00000000004f1224 terminate_due_to_signal (emacs-25.2)
> #2  0x000000000050ab33 emacs_abort (emacs-25.2)
> #3  0x0000000000456092 redisplay_internal (emacs-25.2)
> #4  0x00000000004571a5 redisplay_preserve_echo_area (emacs-25.2)
> #5  0x00000000005a2b98 Fdelete_process (emacs-25.2)
> #6  0x00000000005aa5e5 kill_buffer_processes (emacs-25.2)
> #7  0x00000000004f1016 shut_down_emacs (emacs-25.2)
> #8  0x00000000004c0c3a x_connection_closed (emacs-25.2)
> #9  0x00000000004c0d97 x_io_error_quitter (emacs-25.2)
> #10 0x00007f6072ee8a5e _XIOError (libX11.so.6)
> #11 0x00007f6072ee62ed _XEventsQueued (libX11.so.6)
> #12 0x00007f6072ec787a XFlush (libX11.so.6)
> #13 0x00007f6072f05970 _XimProtoSetICValues (libX11.so.6)
> #14 0x00007f6072ef3819 XSetICValues (libX11.so.6)
> #15 0x00000000004d7296 xic_set_preeditarea (emacs-25.2)

I think this is bug#20036.