1 // { dg-do compile }
2 // Origin: Ivan Godard <igodard at pacbell dot net>
3 // PR c++/17447: Detect parameters of dependent types even in templates
4 
5 struct B;   // { dg-message "forward declaration" }
6 template<typename T> struct A {
7 
8     friend A& operator <<(A& a, B b) { return a; } // { dg-error "incomplete" }
9     friend A& operator <<(A& a, T b) { return a; }
10 
foo1A11     void foo1(B b) {}   // { dg-error "incomplete" }
foo1aA12     void foo1a(T b) {}
13 
foo2A14     B foo2(void) {}  // { dg-error "incomplete" }
foo2aA15     T foo2a(void) {}
16 
17     void foo3(B b);
18 };
19