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

[aidalgol]

On Fri, 12 Sep 2014 10:46:08 +0300, Eli Zaretskii wrote:
> If you still have that session inside GDB, could you show the values
> that are tested in the assertion in frame #2:
>
>   eassert (!it->bidi_p
>            || (EQ (it->bidi_it.string.lstring, Qnil)
>                && it->bidi_it.string.s == NULL));

I closed the session, but I got another bidi.c assert, this time in a 
different place.  Is this one more like bug #17817?

emacs-bidi-02.backtrace.gz
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