bug#18836: 25.0.50; `insert-directory' barfs on nonexistent file, but not for `ls-lisp-insert-directory'

[Eli Zaretskii]

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: 18836@debbugs.gnu.org
> Date: Sat, 30 Apr 2016 17:46:10 +0200
> 
> >> I have no opinion on that, but: What on Earth is that function (and all
> >> its adjacent functions) doing in files.el?
> >
> > Where else would you like them to be?
> 
> In dired.el.

Dired isn't preloaded.