bug#66743: 30.0.50; Crash when dumping reftex

[Eli Zaretskii]

> From: Ihor Radchenko <yantar92@posteo.net>
> Cc: gerd.moellmann@gmail.com, stefankangas@gmail.com, 66743@debbugs.gnu.org
> Date: Fri, 27 Oct 2023 09:08:02 +0000
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> >> +    {
> >> +      /* We haven't implemented the code to dump overlays.  */
> >> +      error ("Dumping overlays in buffers is not yet implemented.  
> >> Aborting...\n");
> >> +      emacs_abort ();
> >> +    }
> >
> > If you call 'error' in batch mode, do you really need emacs_abort?
> 
> If `error' does all the necessary cleanup, `emacs_abort' is indeed not
> necessary. But that's not very obvious from the source code.

What cleanup is needed in this case?