1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
2 struct Y {
3 int x;
4 };
5
6 template<typename T>
7 struct X1 {
fX18 int f(T* ptr, int T::*pm) { // expected-error{{member pointer}}
9 return ptr->*pm;
10 }
11 };
12
13 template struct X1<Y>;
14 template struct X1<int>; // expected-note{{instantiation}}
15
16 template<typename T, typename Class>
17 struct X2 {
fX218 T f(Class &obj, T Class::*pm) { // expected-error{{to a reference}} \
19 // expected-error{{member pointer to void}}
20 return obj.*pm;
21 }
22 };
23
24 template struct X2<int, Y>;
25 template struct X2<int&, Y>; // expected-note{{instantiation}}
26 template struct X2<const void, Y>; // expected-note{{instantiation}}
27
28 template<typename T, typename Class, T Class::*Ptr>
29 struct X3 {
operator =X330 X3<T, Class, Ptr> &operator=(const T& value) {
31 return *this;
32 }
33 };
34
35 X3<int, Y, &Y::x> x3;
36
37 typedef int Y::*IntMember;
38
39 template<IntMember Member>
40 struct X4 {
41 X3<int, Y, Member> member;
42
getMemberX443 int &getMember(Y& y) { return y.*Member; }
44 };
45
get_X4(X4<& Y::x> x4,Y & y)46 int &get_X4(X4<&Y::x> x4, Y& y) {
47 return x4.getMember(y);
48 }
49
50 template<IntMember Member>
51 void accept_X4(X4<Member>);
52
test_accept_X4(X4<& Y::x> x4)53 void test_accept_X4(X4<&Y::x> x4) {
54 accept_X4(x4);
55 }
56
57 namespace ValueDepMemberPointer {
58 template <void (*)()> struct instantiate_function {};
59 template <typename T> struct S {
60 static void instantiate();
61 typedef instantiate_function<&S::instantiate> x; // expected-note{{instantiation}}
62 };
instantiate()63 template <typename T> void S<T>::instantiate() {
64 int a[(int)sizeof(T)-42]; // expected-error{{array with a negative size}}
65 }
66 S<int> s;
67 }
68
69 namespace PR18192 {
70 struct A { struct { int n; }; };
71 template<int A::*> struct X {};
72 constexpr int A::*p = &A::n;
73 X<p> x; // expected-error{{not a pointer to member constant}}
74 }
75