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

[Eli Zaretskii]

> From: Noam Postavsky <npostavs@gmail.com>
> Cc: Eli Zaretskii <eliz@gnu.org>,  32215@debbugs.gnu.org
> Date: Thu, 19 Jul 2018 21:02:11 -0400
> 
> I see it on both Windows and GNU/Linux.

What did you type on Windows, exactly?  If I type "C-x d / ~ TAB", I
get a single completion with my user-name, as expected.  How did you
get more than one completion?