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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/61469] language feature: Support for enum underlying type
Date: Tue, 30 Apr 2024 16:52:51 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D61469

--- Comment #16 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Thomas Mercier from comment #15)
> No objection to the error message, but I would have expected a syntax err=
or
> for standards earlier than 23 which don't claim to support manually
> specifying the underlying type for the enum. Like this with gcc 12:
>=20
> test.c:1:21: error: expected identifier or =E2=80=98(=E2=80=99 before =E2=
=80=98:=E2=80=99 token
>     1 | enum node_stat_item : unsigned {

Yes it is supported as an extension to older languages as the syntax does n=
ot
conflict with valid code. If you want an error for the extension you can use
-Werror=3Dc11-c23-compat=