bug#32325: 27.0.50; dired-create-directory: timing issue in remote machine

[Eli Zaretskii]

> From: Tino Calancha <tino.calancha@gmail.com>
> Date: Tue, 31 Jul 2018 14:02:13 +0900
> Cc: michael.albinus@gmx.de
> 
> emacs -Q -l dired-aux
> ;; Connect with Dired into a remote machine:
> (dired "/ssh:USER@MACHINE:PATH")
> 
> ;; I) Create a directory
> + a/b RET
> 
> ;; II) Right after run this:
> 
> (file-exists-p (dired-get-filename))
> => nil
> 
> ;; Sometimes I get `t' sometimes `nil'.  Maybe a timing issue?

I think Tramp uses some caching?  Michael will know for sure.