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

   1 // PR c++/91353 - P1331R2: Allow trivial default init in constexpr contexts.
   2 // { dg-do compile { target c++20 } }
   3
   4 struct S {
   5   constexpr S(int) {}
   6 };
   7
   8 struct W {
   9   constexpr W(int (&)[8]) : W(8) { }
  10   constexpr W(int) : s(8), p() {}
  11
  12   S s;
  13   int *p;
  14 };
  15
  16 int arr[8];
  17 constexpr auto a = W(arr);