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// RUN: %clang_cc1 -std=c++17 -verify %s
namespace pr41427 {
template <typename T> class A {
public:
A(void (*)(T)) {}
};
void D(int) {}
void f() {
A a(&D);
using T = decltype(a);
using T = A<int>;
}
}
namespace Access {
struct B {
protected:
struct type {};
};
template<typename T> struct D : B { // expected-note {{not viable}}
D(T, typename T::type); // expected-note {{private member}}
};
D b = {B(), {}};
class X {
using type = int;
};
D x = {X(), {}}; // expected-error {{no viable constructor or deduction guide}}
// Once we implement proper support for dependent nested name specifiers in
// friends, this should still work.
class Y {
template <typename T> friend D<T>::D(T, typename T::type); // expected-warning {{dependent nested name specifier}}
struct type {};
};
D y = {Y(), {}};
class Z {
template <typename T> friend class D;
struct type {};
};
D z = {Z(), {}};
}
namespace GH69987 {
template<class> struct X {};
template<class = void> struct X;
X x;
template<class T, class B> struct Y { Y(T); };
template<class T, class B=void> struct Y ;
Y y(1);
}
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