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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/103194] [12 Regression] ice in
 optimize_atomic_bit_test_and with __sync_fetch_and_and since
 r12-5102-gfb161782545224f5
Date: Mon, 15 Nov 2021 09:12:19 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103194

--- Comment #11 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Hongtao.liu from comment #9)
> (In reply to H.J. Lu from comment #6)
> > Created attachment 51785 [details]
> > The v2 incomplete patch
> >=20
> > Hongtao, please finish it.  Thanks.
>=20
> I'm trying to handle narrowing part in match.pd and add else return; when
> precision is not equal.

Right this is related to PR 103228 (and a few others) :).=