Subject: bug#49043: 27.1: ibuffer-toggle-filter-group [BUGFIX]

From: Eli Zaretskii <[email-masked]>
Date: Tue, 15 Jun 2021 19:20:59 +0300

> Date: Tue, 15 Jun 2021 11:52:31 -0400
> From: Boruch Baum <[email-masked]>
> 
> I've been having operation ibuffer-toggle-filter-group reliably crash
> whenever performed due to it trying to operate on a point beyond
> point-max.

By "crash" do you mean it signals an error?  Or a real crash with a
core dump?