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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/109532] -fshort-enums does not pick smallest
 underlying type for scoped enum
Date: Mon, 17 Apr 2023 05:16:59 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109532

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> That is because a scopped enum has an underlying type of int if not suppl=
ied.
>=20
> From [dcl.enum]/5:
> For a scoped enumeration type, the underlying type is int if it is not
> explicitly specified.

I should say this is from the C++ standard there.
-fshort-enums does not change the language, only ABI.=