75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %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;
|
|
}
|
|
|
|
namespace PR18192 {
|
|
struct A { struct { int n; }; };
|
|
template<int A::*> struct X {};
|
|
constexpr int A::*p = &A::n;
|
|
X<p> x; // expected-error{{not a pointer to member constant}}
|
|
}
|