[Bug 277047] /usr/lib/libcompiler_rt.a(atomic.o) hidden visibility causes non-atomic atomics

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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 15 Feb 2024 07:53:20 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=277047

--- Comment #2 from Konstantin Belousov <kib@FreeBSD.org> ---
There is no atomics ABI.  libcompiler_rt.a (or libgcc.a) provides utilities
private to the specific compiler, and must not leak into the object' ABI.

I do not think that the atomics issue can be solved until all compiler authors
agree on something, and then this agreement is expressed in psABI docs.

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