GNU bug report logs - #54501
Segfault on recursive structure

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: mattiase <at> acm.org, 54501 <at> debbugs.gnu.org, schwab <at> linux-m68k.org, monnier <at> iro.umontreal.ca, goldipox <at> mail.com
Subject: bug#54501: Segfault on recursive structure
Date: Sat, 26 Mar 2022 21:00:48 +0300

> From: Lars Ingebrigtsen <larsi <at> gnus.org>
> Cc: Andy Gaynor <goldipox <at> mail.com>,  54501 <at> debbugs.gnu.org,  Stefan Monnier
>  <monnier <at> iro.umontreal.ca>,  Andreas Schwab <schwab <at> linux-m68k.org>, Eli
>  Zaretskii <eliz <at> gnu.org>
> Date: Sat, 26 Mar 2022 17:33:22 +0100
> 
> Mattias Engdegård <mattiase <at> acm.org> writes:
> 
> > The patch fixes the #0=#0# nonsense as well since it's a trivial
> > check.
> 
> Thanks; seems to work perfectly.
> 
> Do you think this is safe enough to go on the release branch?
> 
> This isn't a regression (Emacs has segfaulted on the #0=[#1=(#0# . #1#)]
> as far back as I have Emacs versions), so I'd tend toward thinking it's
> not vital enough to install on the release branch, but perhaps Eli has a
> different opinion.  Eli?

I think we shouldn't install this on the release branch, it's too
risky, and the original problem has been with us forever, or
thereabouts.

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