GNU bug report logs - #10164
24.0.91; Instant crash enabling linum-mode

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Package: emacs;

Reported by: Tim Crews <tim.crews <at> code-affinity.com>

Date: Wed, 30 Nov 2011 05:24:01 UTC

Severity: normal

Found in version 24.0.91

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Tim Crews <tim.crews <at> code-affinity.com>
Cc: 10164 <at> debbugs.gnu.org
Subject: bug#10164: 24.0.91; Instant crash enabling linum-mode
Date: Wed, 30 Nov 2011 07:19:56 -0500

> Date: Tue, 29 Nov 2011 19:05:20 -0700
> From: Tim Crews <tim.crews <at> code-affinity.com>
> 
>     Start Emacs with runemacs -Q --no-init-file
>     C-x C-f foo.txt
>     M-x linum-mode
>     (Emacs doesn't crash yet)
>     Type anything.  Emacs instantly crashes.

Arrgh!  This is GCC 4.6.x "as-is" code reordering in action.  Emacs
crashes here:

	      xassert (!row->enabled_p
		       || row->mode_line_p
		       || verify_row_hash (row));

Evidently, it calls verify_row_hash before it tests row->mode_line_p.
This bug report was last modified 13 years and 178 days ago.

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