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From: "qinzhao at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug middle-end/101836] __builtin_object_size(P->M, 1) where M is an
 array and the last member of a struct fails
Date: Tue, 14 Jun 2022 21:03:17 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101836

--- Comment #29 from qinzhao at gcc dot gnu.org ---
(In reply to Jakub Jelinek from comment #28)
> (In reply to Qing Zhao from comment #27)
> > > Wouldn't this be -fno-strict-flex-arrays, i.e. the current behaviour?
> >=20
> > Yes, it=E2=80=99s the same.  =3D0 is aliased with -fno-strict-flex-arra=
ys.
>=20
> That is indeed what we do for many options, -fno-whatever is alias to
> -fwhatever=3D0 (or -fwhatever=3Dsomething for options which take enums an=
d not
> numbers).

thank you for the info.
could you point me an example of such option? then I can check to see how to
implement this alias relationship between =3D0 and -fno-strict-flex-arrays?=