libstdc++-v3/testsuite/23_containers/array/comparison_operators/106212.cc

   1 // { dg-options "-D_GLIBCXX_DEBUG" }
   2 // { dg-do compile { target c++20 } }
   3
   4 // Bug libstdc++/106212 - Code becomes non-constexpr with _GLIBCXX_DEBUG
   5
   6 #include <array>
   7
   8 struct A
   9 {
  10   constexpr A(int i) : e{i} {}
  11   constexpr bool operator==(const A& a) const = default;
  12   std::array<int, 1> e;
  13 };
  14
  15 static_assert(A{1} != A{2}, "");