bug#26274: 26.0.50; completion regression

[Eli Zaretskii]

> From: Stephen Berman <stephen.berman@gmx.net>
> Cc: 26274@debbugs.gnu.org, Noam Postavsky <npostavs@users.sourceforge.net>
> Date: Wed, 29 Mar 2017 20:27:57 +0200
> 
> My guess is the first of these, since it's between the bad and good
> builds; the other two commits are much earlier.  But given the above
> make failure, I don't know how to build that commit (or the one before
> it).

You could clone the repository anew, checkout that commit, and then
build.