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From: "greg.b.tucker at intel dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/101257] [11/12 Regression] Maybe wrong code since IPA mod
 ref was introduced
Date: Fri, 16 Jul 2021 17:00:03 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101257

--- Comment #5 from Gregory Tucker <greg.b.tucker at intel dot com> ---
(In reply to Andrew Pinski from comment #4)
> (In reply to Gregory Tucker from comment #2)
> > Created attachment 51165 [details]
>=20
> I think:
> 	uint32_t *w =3D (uint32_t *) data;
>=20
> Should need the may_alias attribute added to it.

Thanks for looking at the test case.  Indeed adding may_alias to w will fix=
.=