bug#38875: 26.2; auto-save-list-file-name still created when auto-save-default is nil

[João Guerra]

> > From: João Guerra <joca.bt@gmail.com>
> > Date: Thu, 2 Jan 2020 21:16:26 +0100
> > Cc: 38875@debbugs.gnu.org
> >
> > > Like I said: it does disable creating the file for me.
> >
> > Try `emacs -q -l test.el` with test.el:
> >
> > (setq auto-save-default nil)
> >
> > wait a bit and `~/.emacs.d/auto-save-list/.saves-<pid>-<hostname>~`
> > will be created.
>
> That's exactly what I did, except that these settings were in ~/.emacs
> and not loaded after startup.  I waited for 30 seconds, and didn't see
> any auto-save-list file in ~/.emacs.d/.  Not sure why it happens for
> you.

Tried yet on another platform and Emacs version and using the method
you described and it still happened. The thing is that for some reason
the time it takes to create the file is not consistent, sometimes it's
30s (auto-save-timeout) other times is 2m :s. Made a video
https://youtu.be/metU0u2umtQ.