gcc/testsuite/g++.dg/cpp2a/constexpr-init9.C

// PR c++/91353 - P1331R2: Allow trivial default init in constexpr contexts.
// { dg-do compile { target c++20 } }

struct S {
  constexpr S(int) {}
};

struct W {
  constexpr W(int (&)[8]) : W(8) { }
  constexpr W(int) : s(8), p() {}

  S s;
  int *p;
};

int arr[8];
constexpr auto a = W(arr);