bug#26961: 26.0.50; Possible timming issue in regex-tests.el

[Eli Zaretskii]

> From: Tino Calancha <tino.calancha@gmail.com>
> Cc: 26961@debbugs.gnu.org, tino.calancha@gmail.com
> Date: Thu, 18 May 2017 16:00:31 +0900
> 
> The problem arise from the recursive call in mark_object:
> mark_object (ptr->car);

The recursive call cannot be the problem, as GC in general and
mark_object in particular are by definition recursive.  The problem is
elsewhere, and to track it down you need to look at the object that
causes the problem.