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From: "sam at gentoo dot org" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/31501] _dl_tlsdesc_dynamic_xsavec may clobber %rbx
Date: Sun, 17 Mar 2024 10:43:23 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31501

--- Comment #4 from Sam James <sam at gentoo dot org> ---
(In reply to Florian Weimer from comment #2)
> An attempt to rebuild GCC with -mtls-dialect=3Dgnu2 resulted its LTO plug=
in
> crashing randomly, fortunately during the GCC build itself. The builder h=
ad
> AVX-512 support. We are not sure yet if the problem can happen with AVX2
> only.

I only tried so far on znver2, but been daily driving it since then. Thanks.

(In reply to H.J. Lu from comment #3)=20
> Intel ABC machines won't crash. But my testcase
> may crash on AMD AVX machines. Can someone
> try my testcase on AMD?

OK.

--=20
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