Subject: bug#42352: 27.0.91; Emacs daemon crashes after "Fix Arabic shaping" change 30a7ee505aca3cc285699bae1630a28185519d99

From: Eli Zaretskii <[email-masked]>
Date: Tue, 14 Jul 2020 13:55:59 +0300

On July 14, 2020 1:20:34 PM GMT+03:00, Eli Zaretskii <[email-masked]> wrote:
> 
> Thanks, but please present the backtrace with the symbolic data: file
> name, function name, and line number information.  It is basically
> impossible to work with just the numeric addresses without having
> access to your system.
> 
> The Emacs user manual describes how to obtain the symbolic data in the
> "Crashing" node.
> 
> Also, I wonder how you came to be affected by that change.  Did you by
> any chance set bidi-display-reordering to nil in your buffers?

Also, please tell the version of HarfBuzz you have installed, because it looks like the crash happened inside HarfBuzz.