bug#36166: 27.0.50; Crash visiting HELLO when fringe-mode is disabled

[Eli Zaretskii]

> From: Robert Pluim <rpluim@gmail.com>
> Cc: 36166@debbugs.gnu.org
> Date: Tue, 11 Jun 2019 17:17:40 +0200
> 
>     Eli> I think the important part is the test of s->font_not_found_p.  Can
>     Eli> you see whether it's zero in the crash case?
> 
> Yes, itʼs 0.

Thanks.  So I think this:

      if (EQ (font->driver->type, Qns))

should be amended like this:

      if (!s->font_not_found_p && EQ (font->driver->type, Qns))

But I'd love to hear Alan's opinion on this.