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From: "ppalka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/99968] ICE on remove_const_t<incomplete enum type> in
 requires-expression
Date: Fri, 09 Apr 2021 14:01:54 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99968

--- Comment #7 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Slightly more reduced:

template <class T> struct A {
  using type =3D T;
  static const bool value =3D false;
};

enum E { e0 =3D __is_enum(E), e1 =3D A<E>::value };


Compiled with -std=3Dc++11 -g=