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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/114067] GCC gives wrong diagnostic in the definition of a
 static data member of same class type
Date: Fri, 23 Feb 2024 08:09:13 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114067

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Jason Liam from comment #3)
> (In reply to Andrew Pinski from comment #2)
> > Actually A at that point is incomplete type.
>=20
> Yes, it is incomplete at that point but that is not the reason for the
> program to be ill-formed. The reason is that `A` is a class-type and not =
an
> integral/enumeration type.

As I mentioned there is a extension which allows it be accepted (only with
-fpermissive) if it was complete. And the checking for it being complete
happens before that other check. Now I fully looked into how fix this so the
diagnostic for the completeness happens after allowing the extension becaus=
e it
seems like the check for completeness happens way before in a different
function.=