bug#44005: 28.0.50; Deleting region doesn't work

[Eli Zaretskii]

> From: Parham Doustdar <parham90@gmail.com>
> Date: Thu, 15 Oct 2020 13:07:16 +0200
> Cc: 44005@debbugs.gnu.org
> 
> Thanks for trying to reproduce and replying so fast!
> Yeah, I ran with `-q` and the same thing is happening. The buffer isn't 
> read-only, though. Deleting without the
> region active works. Killing the region with C-w works. It's only deleting 
> that doesn't work.
> :-(
> If there's any way that I could gather more information on this, let me know.

In that case, this is perhaps macOS specific?