bug#18438: 24.4.50; assertion failed in bidi.c

[aidalgol]

On Tue, 30 Sep 2014 19:27:37 +0300, Eli Zaretskii wrote:
> > Date: Tue, 30 Sep 2014 12:09:32 -0400
> > From: Ken Brown <kbrown@cornell.edu>
> > CC: 18438@debbugs.gnu.org
> >
> > Wouldn't it make sense for him to first see if your recent fix of 
> > the
> > "Current trunk aborts with MinGW" problem also fixes the present 
> > bug?
>
> Could be, yes.  I actually thought about this possibility, but didn't
> mention it because I couldn't come up with a scenario where that bug
> could have triggered such strange problems, and only in bidi.c.  But
> it does no harm to try applying that patch first, and only apply this
> one if that doesn't help.

And where is this patch?  I don't keep up with the happenings on trunk.