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// RUN: %clang_cc1 -fsyntax-only -verify %s
struct Y {
int x;
};
template<typename T>
struct X1 {
int f(T* ptr, int T::*pm) { // expected-error{{member pointer}}
return ptr->*pm;
}
};
template struct X1<Y>;
template struct X1<int>; // expected-note{{instantiation}}
template<typename T, typename Class>
struct X2 {
T f(Class &obj, T Class::*pm) { // expected-error{{to a reference}} \
// expected-error{{member pointer to void}}
return obj.*pm;
}
};
template struct X2<int, Y>;
template struct X2<int&, Y>; // expected-note{{instantiation}}
template struct X2<const void, Y>; // expected-note{{instantiation}}
template<typename T, typename Class, T Class::*Ptr>
struct X3 {
X3<T, Class, Ptr> &operator=(const T& value) {
return *this;
}
};
X3<int, Y, &Y::x> x3;
typedef int Y::*IntMember;
template<IntMember Member>
struct X4 {
X3<int, Y, Member> member;
int &getMember(Y& y) { return y.*Member; }
};
int &get_X4(X4<&Y::x> x4, Y& y) {
return x4.getMember(y);
}
template<IntMember Member>
void accept_X4(X4<Member>);
void test_accept_X4(X4<&Y::x> x4) {
accept_X4(x4);
}
namespace ValueDepMemberPointer {
template <void (*)()> struct instantiate_function {};
template <typename T> struct S {
static void instantiate();
typedef instantiate_function<&S::instantiate> x; // expected-note{{instantiation}}
};
template <typename T> void S<T>::instantiate() {
int a[(int)sizeof(T)-42]; // expected-error{{array with a negative size}}
}
S<int> s;
}
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