gcc/testsuite/g++.dg/template/sfinae3.C

   1 // PR c++/24671
   2 // { dg-do compile }
   3
   4 template<typename> struct A
   5 {
   6   typedef int X;
   7   static const int i = 0;
   8 };
   9
  10 template<typename> struct B
  11 {
  12   B(const B&);
  13   typedef typename A<char[A<B>::i]>::X Y; // { dg-error "forbids zero-size array" }
  14   template<typename T> B(T, Y);
  15 };
  16
  17 B<int> b(0,0); // { dg-message "instantiated from here" }