bug#32215: 27.0.50; Minibuffer completion fails with /~<partial-name>

[Eli Zaretskii]

> From: Stephen Berman <stephen.berman@gmx.net>
> Cc: npostavs@gmail.com,  32215@debbugs.gnu.org
> Date: Fri, 20 Jul 2018 19:30:52 +0200
> 
> > Try a subdirectory of your home directory.
> 
> Perhaps I'm misunderstanding what you're suggesting, but with the
> following I still get the same behavior:
> 
> 0. emacs -Q
> 1. M-x cd RET ~/Downloads/ RET
> 2. C-x d /~s TAB
> 
> results in this minibuffer display:
> 
> Dired (directory): ~/Downloads//~s█[No match]

The original recipe was different:

  0. emacs -Q
  1. M-x cd RET ~/Downloads/ RET
  2. C-x d / ~ TAB s TAB