From: Eli Zaretskii <eliz@gnu.org>
To: lekktu@gmail.com
Cc: 14666@debbugs.gnu.org
Subject: bug#14666: 24.3.50; emacs_backtrace.txt
Date: Wed, 19 Jun 2013 19:47:23 +0300 [thread overview]
Message-ID: <83ppvioxno.fsf@gnu.org> (raw)
In-Reply-To: <83sj0eozd9.fsf@gnu.org>
> Date: Wed, 19 Jun 2013 19:10:26 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: 14666@debbugs.gnu.org
>
> LISP_INLINE struct buffer *
> XBUFFER (Lisp_Object a)
> {
> eassert (BUFFERP (a));
> return XUNTAG (a, Lisp_Vectorlike); <<<<<<<<<<<<<<<
> }
>
> I don't see how XUNTAG can crash, so the only possible cause that's
> left is the assertion before that. But how can the assertion be
> false, when line 3189 of w32fns.c is only executed if w->contents _is_
> a buffer?
The only explanation is that another thread modified w->contents after
it was tested with BUFFERP.
next prev parent reply other threads:[~2013-06-19 16:47 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-19 15:04 bug#14666: 24.3.50; emacs_backtrace.txt Drew Adams
2013-06-19 15:14 ` Juanma Barranquero
2013-06-19 16:10 ` Eli Zaretskii
2013-06-19 16:47 ` Eli Zaretskii [this message]
2013-06-19 16:48 ` Juanma Barranquero
2013-06-19 17:08 ` Eli Zaretskii
2013-06-19 17:23 ` Juanma Barranquero
2013-06-19 17:57 ` martin rudalics
2013-06-19 18:46 ` Juanma Barranquero
2013-06-19 20:59 ` martin rudalics
2013-06-19 19:51 ` Eli Zaretskii
2013-06-19 19:44 ` Eli Zaretskii
2013-06-19 19:46 ` Juanma Barranquero
2013-06-19 20:03 ` Juanma Barranquero
2013-06-19 17:44 ` martin rudalics
2013-06-19 19:47 ` Eli Zaretskii
2013-06-19 20:58 ` martin rudalics
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