gcc/testsuite/g++.dg/cpp0x/temp_default6.C

   1 // PR c++/59759
   2 // { dg-do compile { target c++11 } }
   3
   4 namespace std {
   5 template <typename _Tp>
   6 struct B {
   7   static constexpr _Tp value = 0;
   8 };
   9 typedef B<int> false_type;
  10 struct C : false_type {};
  11 template <typename>
  12 struct is_integral : C {};
  13 template <int, typename _Tp>
  14 struct enable_if {
  15   typedef _Tp type;
  16 };
  17 }
  18 enum class enabled;
  19 extern constexpr enabled dummy{};
  20 template <typename T, typename std::enable_if<std::is_integral<T>::value,
  21                                               T>::type = dummy>
  22 class A;
  23 template <typename T>
  24 void f(A<const T&>*) {
  25   A<const enabled&>* map;
  26   f(map);
  27 }