bug#31692: Emacs sometimes drops key events

[Eli Zaretskii]

> From: Michael Heerdegen <michael_heerdegen@web.de>
> Cc: Radon Rosborough <radon.neon@gmail.com>,  31692@debbugs.gnu.org
> Date: Tue, 05 Jun 2018 23:40:55 +0200
> 
> What I found was that when I load the source file subr.el, or only the
> definition of `sit-for', calling `test' and hitting a key does not
> produce a quit any more.

Does it produce the character you type, though?  Because if it
doesn't, then whether or not you see "Quit" doesn't matter much, IMO,
at least not for the main issue at hand.