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// { dg-do compile }
// Origin: Giovanni Bajo <giovannibajo at gcc dot gnu dot org>
// DR166: Friend declarations of template-ids
namespace N {
template <class T> void f(T);
void g();
namespace M {
class A {
friend void f<int>(int); // N::f
static int x; // { dg-error "private" }
};
class B {
template <class T> friend void f(T); // M::f
static int x; // { dg-error "private" }
};
class C {
friend void g(); // M::g
static int x; // { dg-error "private" }
};
template <class T> void f(T) // will be instantiated as f<long>
{
M::A::x = 0; // { dg-error "within this context" }
M::B::x = 0;
}
template <> void f<int>(int)
{ M::A::x = 0; } // { dg-error "within this context" }
template <> void f<double>(double )
{
M::B::x = 0;
M::f<long>(0); // { dg-message "required" }
}
void g(void)
{ M::C::x = 0; }
}
template <class T> void f(T) // will be instantiated as f<long>
{
M::A::x = 0; // { dg-error "within this context" }
M::B::x = 0; // { dg-error "within this context" }
}
template <> void f<int>(int )
{
N::f<long>(0); // { dg-message "required" }
M::A::x = 0;
M::B::x = 0; // { dg-error "within this context" }
}
template <> void f<char>(char )
{ M::A::x = 0; } // { dg-error "within this context" }
void g(void)
{ M::C::x = 0; } // { dg-error "within this context" }
}
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