GNU bug report logs - #65727
30.0.50; Build failure in MSYS2 when --with-native-compilation

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Message #54 received at 65727 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Andrea Corallo <acorallo <at> gnu.org>
Cc: 63365 <at> debbugs.gnu.org, arash <at> gnu.org, 65727 <at> debbugs.gnu.org,
 svraka.andras <at> gmail.com, cyril.arnould <at> outlook.com
Subject: Re: bug#63365: bug#65727: 30.0.50; Build failure in MSYS2 when
 --with-native-compilation
Date: Fri, 17 May 2024 16:03:06 +0300

> From: Andrea Corallo <acorallo <at> gnu.org>
> Cc: "63365 <at> debbugs.gnu.org" <63365 <at> debbugs.gnu.org>,  "eliz <at> gnu.org"
>  <eliz <at> gnu.org>,  65727 <at> debbugs.gnu.org,  Arash Esbati <arash <at> gnu.org>,
>   András Svraka <svraka.andras <at> gmail.com>
> Date: Fri, 17 May 2024 08:06:56 -0400
> 
> I believe this is a GCC bug as the sibling call optimizer should not run
> in functions making use of 'builtin_unwind_init', even if this one is
> undocumented (otherwise I can't see its reason of being 🙂).
> 
> So I filed a GCC bug [1].
> 
> Despite the fact that this will or not be recognized as a bug (and in
> case fixed), I think we'll have to fix this on our codebase disabling
> the sibling call optimizations on the sentive function(s).

Agreed.  Can you install a patch along these lines?

Do we have other functions that could be sensitive to this issue?

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