GNU bug report logs - #30931
abort() due to CHECK_ALLOCATED_AND_LIVE failure during GC

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Package: emacs;

Reported by: Michał Kondraciuk <k.michal <at> zoho.com>

Date: Sat, 24 Mar 2018 22:07:02 UTC

Severity: normal

Tags: confirmed

Found in versions 25.3, 26.0.91, 27.0.50

Fixed in version 26.2

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

Full log

Message #46 received at 30931 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Noam Postavsky <npostavs <at> gmail.com>
Cc: 30931 <at> debbugs.gnu.org, k.michal <at> zoho.com
Subject: Re: bug#30931: 27.0.50; Crash in "Automatic GC"
Date: Fri, 30 Mar 2018 11:16:36 +0300

> From: Noam Postavsky <npostavs <at> gmail.com>
> Date: Fri, 30 Mar 2018 01:39:30 -0400
> Cc: 30931 <30931 <at> debbugs.gnu.org>
> 
> So the following is enough to trigger the bug:
> 
>   (with-temp-buffer
>     (insert "1234567890")
>     (setq buffer-undo-list nil)
>     (narrow-to-region 2 5)
>     (save-restriction
>       (widen)
>       (delete-region 1 6))
>     (princ (format "%S" buffer-undo-list) #'external-debugging-output)
>     (type-of (car (nth 1 buffer-undo-list))))

Since Paul fixed the bug now (thanks, Paul!), would you like to add
this test to the test suite?

Thanks.
This bug report was last modified 7 years and 81 days ago.

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