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From: martin rudalics <rudalics@gmx.at>
To: Kalman Reti <kalman.reti@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: mark_object crash in 22.1 and latest CVS (as of tonight)
Date: Fri, 16 Nov 2007 18:28:15 +0100	[thread overview]
Message-ID: <473DD32F.5070501@gmx.at> (raw)
In-Reply-To: <16af2f430711160607m158b9c98xa401166709f628ff@mail.gmail.com>

Do you mean in code wrapped in `save-match-data' you delete some region
of text containing a marker of the saved match-data.  Thus
record_marker_adjustment puts an entry on `buffer-undo-list' referencing
that marker.  The unwindforms of `save-match-data' call `set-match-data'
with evaporate/reseat non-nil, which calls free_marker and subsequently
free_misc.  mark_object - operating from `buffer-undo-list' - detects
that the object is already free and aborts.

If I understand correctly, this means that either markers used for
saving match-data should not go to `buffer-undo-list' or the "evaporate"
option set by `save-match-data' is inherently broken.

  reply	other threads:[~2007-11-16 17:28 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-09  3:55 mark_object crash in 22.1 and latest CVS (as of tonight) Kalman Reti
2007-11-09 11:32 ` Kalman Reti
2007-11-10 10:19   ` Kalman Reti
2007-11-11  5:22   ` Richard Stallman
2007-11-12 11:40     ` Kalman Reti
2007-11-12 22:03       ` Stefan Monnier
2007-11-13  0:30         ` Kalman Reti
2007-11-13 20:03         ` Richard Stallman
2007-11-14 17:39           ` Kalman Reti
2007-11-14 18:51             ` Stefan Monnier
2007-11-15  1:00               ` Kalman Reti
2007-11-15 17:09                 ` Richard Stallman
2007-11-16 12:05                   ` Kalman Reti
2007-11-16 14:07                     ` Kalman Reti
2007-11-16 17:28                       ` martin rudalics [this message]
2007-11-16 17:56                         ` Kalman Reti
2007-11-17  4:54                           ` Richard Stallman
2007-11-17  5:43                             ` Kalman Reti
2007-11-16 19:04                         ` Stefan Monnier
2007-11-16 21:52                           ` martin rudalics
2007-11-16 22:09                             ` Stefan Monnier
2007-11-16 22:16                             ` Stefan Monnier
2007-11-16 23:59                               ` Kalman Reti
2007-11-17  4:25                                 ` Stefan Monnier
2007-11-17 17:42                           ` Richard Stallman
2007-11-18  3:08                             ` Stefan Monnier
2007-11-18 22:45                               ` Richard Stallman
2007-11-18 23:22                                 ` David Kastrup
2007-11-19  7:50                                   ` Stefan Monnier
2007-11-19 19:03                                   ` Richard Stallman
2007-11-17  4:53                         ` Richard Stallman
2007-11-15  3:08             ` Richard Stallman
2007-11-15  8:38               ` Kalman Reti
2007-11-16 20:48                 ` Kalman Reti
2007-11-16 21:59                   ` Stefan Monnier
2007-11-16 23:09                     ` martin rudalics
2008-02-04 11:35                     ` buffer-undo-list (was: mark_object crash in 22.1 and latest CVS (as of tonight)) Johan Bockgård
2008-02-04 21:44                       ` buffer-undo-list Stefan Monnier
2008-02-11 17:58                       ` buffer-undo-list Stefan Monnier
2007-11-13  5:10       ` mark_object crash in 22.1 and latest CVS (as of tonight) Richard Stallman

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