GNU bug report logs - #51688
ELC+ELN international/emoji.elc crashes

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Message #131 received at 51688 <at> debbugs.gnu.org (full text, mbox):

From: Andrea Corallo <akrl <at> sdf.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: Martin Liška <mliska <at> suse.cz>, rpluim <at> gmail.com,
 51688 <at> debbugs.gnu.org, Andreas Schwab <schwab <at> linux-m68k.org>
Subject: Re: bug#51688: ELC+ELN  international/emoji.elc crashes
Date: Wed, 24 Nov 2021 15:14:11 +0000

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

>> From: Andreas Schwab <schwab <at> linux-m68k.org>
>> Cc: rpluim <at> gmail.com,  akrl <at> sdf.org,  51688 <at> debbugs.gnu.org
>> Date: Wed, 24 Nov 2021 14:06:04 +0100
>> 
>> On Nov 24 2021, Eli Zaretskii wrote:
>> 
>> > Do you happen to know which libgccjit versions are affected by the
>> > bug?  We could tell people to avoid them.
>> 
>> Most likely all of them.
>
> Too bad.
>
> Andrea, can anything be done to work around this somehow (except to
> upgrade to a later GCC)?  Or is there nothing we can do except keep
> fingers crossed?

I don't think there's much we can do to work around this on Emacs side
(Martin please correct me if I'm wrong).

>> > Or did this bug exist since day one?  (But if it's an old bug, why
>> > doesn't everyone see these crashes?)
>> 
>> That's the effect of undefined behaviour.
>
> You mean, undefined behavior in libgccjit's own code, right?  Or in
> our code?

In libgccjit's own code.

BR

  Andrea

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