Subject: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs

From: Eli Zaretskii <[email-masked]>
Date: Fri, 19 Mar 2021 17:00:59 +0200

> From: Michael Welsh Duggan <[email-masked]>
> Cc: Michael Welsh Duggan <[email-masked]>,
>         "[email-masked]"
>  <[email-masked]>,
>         "[email-masked]" <[email-masked]>
> Date: Fri, 19 Mar 2021 10:21:18 -0400
> 
> Lisp Backtrace:
> "kill-buffer" (0xfffeca60)
> 0x56e58d70 PVEC_COMPILED
> "substitute-command-keys" (0xfffed728)
> "redisplay_internal (C function)" (0x0)

Thanks.  This case isn't interesting, because this is a temporary
buffer we don't display.  So I guess we need to augment the breakpoint
condition:

  break buffer.c:1840 if redisplaying_p != 0 && b->window_count > 0