1// { dg-do run } 2// Although template class B is not used at all, it causes the 3// incorrect specialization of A to be selected 4 5// Adapted from testcase by Oskar Enoksson <osken393@student.liu.se> 6 7extern "C" void abort(); 8 9template<int N, class T> // Base class 10class A { public: static int n() { return sizeof(T); } }; 11 12template<int N> // Derived #1 13class B: public A<N,char[N]> {}; 14 15template<int N, int M> // Derived #2 (wrong!) 16class C: public A<N,char[M]> {}; 17 18int main() { 19 if (C<1,2>::n() != 2) 20 abort(); 21} 22