Date: Sat, 20 Jun 2026 15:36:11 +0330 From: Faraz Vahedi <kfv@kfv.io> To: Konstantin Belousov <kib@freebsd.org> Cc: Warner Losh <imp@freebsd.org>, alc@freebsd.org, src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Subject: Re: git: 9d87c1aac4a8 - main - libc: Add missing kill_dependency macro Message-ID: <9A21692F-0B53-4303-85A8-57784BFAF8DE@kfv.io> In-Reply-To: <ajZxmJoxyjjx0TSO@kib.kiev.ua> References: <6a35ddd4.24ba1.2ad9343d@gitrepo.freebsd.org> <ajZxmJoxyjjx0TSO@kib.kiev.ua>
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[-- Attachment #1 --]
Hey,
Thanks for the report.
> GCC at least with the version 16 uses a different definition for the
> kill_dependency(), which might have some side effects for the gcc
> optimizers:
>
> #define kill_dependency(Y) \
> __extension__ \
> ({ \
> __auto_type __kill_dependency_tmp = (Y); \
> __kill_dependency_tmp; \
> })
>
> Since the semantic for kill_dependency() is believed to be not well
> defined, I think we should provide gcc-compliant definition at least
> for gcc.
I’ll check and take care of it shortly. Will keep you posted.
Cheers,
Faraz
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