[bug#42680] Fwd: Re: bug#42694: 26.3; Emacs crashes when linked against newer libx11

[Leo Prikler]

It turns out, that this bug got fixed upstream independently using a
slightly different patch.
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> Subject: 
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> Re: bug#42694: 26.3; Emacs crashes when linked against newer libx11
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> Date: 
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> Mon, 03 Aug 2020 17:40:41 +0300
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> > From: Leo Prikler <leo.prikler@student.tugraz.at>
> > Date: Mon, 03 Aug 2020 11:31:49 +0200
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> > Two days ago, a patch was sent to Guix updating libx11 to a newer
> > version in order to fix CVE-2020-14344.  This causes a segmentation
> > fault in Emacs when trying to start an X window.  After invoking GDB, I
> > found the offending line to be:
> > 
> >   /* Determine XIC style */
> >   xic_style = best_xim_style (FRAME_X_XIM_STYLES (f));
> > 
> > For some reason, FRAME_X_XIM_STYLES (f) returns NULL here and
> > best_xim_style fails when ARRAYELTS is called on it.  I've attached a
> > patch, that checks for this case.
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> Thanks, this is bug#42676, which was solved yesterday.
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