bug#43389: 28.0.50; Emacs memory leaks using hard disk all time

[Eli Zaretskii]

> From: Michael Heerdegen <michael_heerdegen@web.de>
> Cc: Trevor Bentley <trevor@trevorbentley.com>,  monnier@iro.umontreal.ca,
>   carlos@redhat.com,  fweimer@redhat.com,  43389@debbugs.gnu.org,
>   bugs@gnu.support,  dj@redhat.com
> Date: Sat, 12 Dec 2020 23:16:46 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > Could it be that some of your packages plays with the value of GC
> > threshold?
> 
> Dunno if it matters, but `gnus-registry-save' binds it temporarily to a
> high value

I'd prefer very much that our core code never did that.