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bug#14100: 24.3.50; emacs_backtrace.txt


From: Eli Zaretskii
Subject: bug#14100: 24.3.50; emacs_backtrace.txt
Date: Tue, 29 Dec 2015 19:42:27 +0200

> From: Lars Ingebrigtsen <larsi@gnus.org>
> Cc: Drew Adams <drew.adams@oracle.com>,  14100@debbugs.gnu.org
> Date: Tue, 29 Dec 2015 12:09:56 +0100
> 
> > The abort is here (in get_local_map):
> >
> >   /* Perhaps we should just change `position' to the limit.  */
> >   if (position > BUF_ZV (buffer) || position < BUF_BEGV (buffer))
> >     emacs_abort ();
> >
> > The caller, Fcurrent_active_maps, checks a different condition before
> > the call:
> >
> >           pos = POSN_BUFFER_POSN (position);
> >           if (INTEGERP (pos)
> >               && XINT (pos) >= BEG && XINT (pos) <= Z)
> >             {
> >               local_map = get_local_map (XINT (pos),
> >                                          current_buffer, Qlocal_map);
> >
> > So perhaps the bug is in the caller: it should test BEGV and ZV
> > instead of BEG and Z.
> 
> Was there anything to be done here?  It sounds like it, but then there
> were no further messages.  :-)

The call to emacs_abort is no longer in the source.  Instead, we have
this:

    position = clip_to_bounds (BUF_BEGV (buffer), position, BUF_ZV (buffer));

So I'm closing the bug, as the problem can no longer happen.





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