libstdc++-v3/testsuite/23_containers/map/debug/112477.cc

   1 // { dg-do run { target c++11 } }
   2 // { dg-require-debug-mode "" }
   3
   4 // PR libstdc++/112477
   5
   6 #include <map>
   7
   8 int main()
   9 {
  10   using M = std::map<int, int>;
  11   using I = M::iterator;
  12
  13   M map{ {1, 1}, {2, 2} };
  14
  15   I it1 = map.begin();
  16   it1 = I{};
  17
  18   I it2{};
  19   (void)(it1 == it2);
  20 }