1// PR c++/29633 2 3template <typename T> 4struct Class1 5{ 6 void testfn1(void); 7}; 8 9template <typename T> 10class Class2 11{ 12public: 13 void testfn2(void) 14 { 15 Class1<T> * tc_a; 16 do 17 { 18 int x = 0; 19 } 20 while (tc_a && tc_a->testfn1); // { dg-error "invalid use of member" } 21 } 22}; 23 24int main(void) 25{ 26 Class2<int> tc2; 27 tc2.testfn2(); 28 return 0; 29} 30