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

From: Eli Zaretskii <[email-masked]>
Date: Tue, 23 Mar 2021 17:02:09 +0200

> From: Michael Welsh Duggan <[email-masked]>
> Cc: "[email-masked]" <[email-masked]>,
>         "[email-masked]"
>  <[email-masked]>,
>         "[email-masked]" <[email-masked]>
> Date: Tue, 23 Mar 2021 10:18:25 -0400
> 
> >   break buffer.c:1840 if redisplaying_p != 0 && b->window_count > 0
> 
> This triggered today.
> 
> #0  0x00005555555e1b6d in redisplay_internal ()
>     at ../../master/src/xdisp.c:15789

I don't understand: the breakpoint was supposed to be on line 1840 in
buffer.c, so why does frame #0 show line 15789 in xdisp.c?  What am I
missing here?  Is this the right backtrace?