2017-10-10 22:09 GMT+02:00 Eli Zaretskii <eliz@gnu.org>:

> > From: Fabrice Popineau <fabrice.popineau@gmail.com>
> > Date: Tue, 10 Oct 2017 21:58:35 +0200
> > Cc: Emacs developers <emacs-devel@gnu.org>
> >
> >  Does the problem go away if you insert at the beginning of each test a
> >  loop like this:
> >
> >  (while (> (length (all-threads)) 1)
> >  (sleep-for 0.1))
> >
> > This makes all the 28 tests pass.
>
> And the address of stack_pos doesn't grow anymore?
>

Yes, it still does. Apparently not out of bounds, because I have run the
tests several times.

>
> > A bit scary though.
>
> Why scary?
>

I don't like to be at the whim of such a waiting loop before being able to
run another thread.