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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/114349] [14 regression] ICE when building qtwebengine with
 -std=gnu++14 (cxx_eval_call_expression, at cp/constexpr.cc:3027)
Date: Fri, 15 Mar 2024 13:08:21 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114349

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Reduced testcase:
using A =3D struct {};
template <template <typename> class, typename, typename>
using B =3D A;
template <typename T>
using C =3D typename T::D;
struct E {
  using D =3D B<C, int, A>;
};
template <class> constexpr bool foo (A) { return false; }
template <class T> struct F {
  using G =3D T;
  using H =3D E;
  F(const F &);=20
  void operator=3D(F) noexcept(foo <G> (H::D{}));
};
template <typename, typename, typename>
using I =3D F<int>;
template <typename K, typename V, typename H =3D K>
using J =3D I<K, V, H>;
struct K {
  typedef J<long, char> L;
  L k;
  K();
};
struct M {
  bool bar () const;
  K::L m;
};
K n;
bool M::bar () const { n.k =3D m; return true; }=