GNU bug report logs - #1295
Segfault with `M-- M-r' when `scroll-margin' > 0

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Message #22 received at 1295 <at> emacsbugs.donarmstrong.com (full text, mbox):

From: Chong Yidong <cyd <at> stupidchicken.com>
To: martin rudalics <rudalics <at> gmx.at>
Cc: 1295 <at> debbugs.gnu.org
Subject: Re: Segfault with `M-- M-r' when `scroll-margin' > 0
Date: Mon, 03 Nov 2008 14:40:34 -0500

martin rudalics <rudalics <at> gmx.at> writes:

> The report was for Emacsen built as
>
>     GNU Emacs 22.2.1 (i486-pc-linux-gnu, GTK+ Version 2.12.11) of
>     2008-10-17 on raven, modified by Debian
>
> and development snapshot version
>
>     GNU Emacs 23.0.60.1 (i486-pc-linux-gnu, GTK+ Version 2.12.11) of
>     2008-10-18 on elegiac, modified by Debian
>
> and I verified here that it crashes with a negative argument for all
> versions I keep personally.

Sorry, my bad.  For some reason, reproducing this bug needs a full
bootstrap after reversion.  A simple make recompile/make doesn't track
the bug accurately, which is why it mistakenly pointed to your checkin.

After some more investigation, it looks to me like the bug was
introduced between 2008-10-06 (no crash) and 2008-10-07 (crash).
Weird---there weren't any redisplay changes made at this time.

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