gcc/testsuite/g++.dg/cpp23/auto-fncast17.C


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// PR c++/110025
// { dg-do compile { target c++23 } }

template<class...> struct tuple;

template<auto V>
using constant_t = int;

template<auto... V>
using constants_t = tuple<constant_t<auto(V)>...>;

using ty0 = constants_t<>;
using ty1 = constants_t<1>;
using ty2 = constants_t<1, 2>;
using ty3 = constants_t<1, 2, 3>;