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

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Andreas Schwab <schwab <at> linux-m68k.org>
Cc: rpluim <at> gmail.com, 51688 <at> debbugs.gnu.org, akrl <at> sdf.org
Subject: bug#51688: ELC+ELN  international/emoji.elc crashes
Date: Wed, 24 Nov 2021 15:18:11 +0200

> 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?

> > 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?

Thanks.

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