bug#32463: 27.0.50; (logior -1) => 4611686018427387903

[Eli Zaretskii]

> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Wed, 22 Aug 2018 10:52:53 -0700
> Cc: Andy Moreton <andrewjmoreton@gmail.com>, 32463@debbugs.gnu.org
> 
> Also, change its name to make_integer, since it doesn't make
> floats.

I'd rather we left the name alone.  It's a veteran name, burnt into
our muscle memory by many years of coding in Emacs.  Let's not change
it just because it isn't 100% accurate.