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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/106369] [12/13 Regression] ICE in
 output_constructor_regular_field, at varasm.cc:5515 since
 r12-2975-g32c3a75390623a
Date: Tue, 26 Jul 2022 09:15:09 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106369

--- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Slightly further reduced:

struct A {
  int a[256];
  constexpr int &operator[] (int n) noexcept { return a[n]; }
  constexpr const int &operator[] (int n) const noexcept { return a[n]; }
};
struct B {};
template <typename T>
struct C {
  constexpr T &foo (const char x) noexcept { c =3D T::d[x]; return static_c=
ast<T
&>(*this); }
  int c;
};
struct D : public C<D>, public B
{
  constexpr D () noexcept =3D default;
  static constexpr char e[9] { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I' =
};
  static constexpr A d =3D [] () constexpr {
    A f {};
    for (int i =3D 0; i < 9; ++i)
      f[e[i]] =3D 1;
    return f;
  } ();
};
constexpr auto g =3D D{}.foo ('E');=