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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++/108975] Internal compiler error on constexpr variable used
 as nontype template
Date: Wed, 01 Mar 2023 10:54:59 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108975

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2023-03-01
           Keywords|needs-reduction             |
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Reduced:
int h(int);
template <int index, int dim, typename trials>
  auto get_derivative_type1() { return 0; }
template <typename test, typename trials>
void generate_kernels1() {
        const unsigned num_elements =3D 1;
        constexpr int dim =3D 1;
        [&](auto index) {
                using derivative_type =3D decltype(get_derivative_type1<ind=
ex,
dim, trials>());
                h(num_elements * 1);
        };
}
void thermal_test()  {
        generate_kernels1<int, int>();
}=