| 1 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s |
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| 2 | struct Y { |
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| 3 | int x; |
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| 4 | }; |
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| 5 | |
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| 6 | template<typename T> |
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| 7 | struct X1 { |
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| 8 | int f(T* ptr, int T::*pm) { // expected-error{{member pointer}} |
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| 9 | return ptr->*pm; |
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| 10 | } |
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| 11 | }; |
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| 12 | |
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| 13 | template struct X1<Y>; |
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| 14 | template struct X1<int>; // expected-note{{instantiation}} |
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| 15 | |
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| 16 | template<typename T, typename Class> |
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| 17 | struct X2 { |
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| 18 | T f(Class &obj, T Class::*pm) { // expected-error{{to a reference}} \ |
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| 19 | // expected-error{{member pointer to void}} |
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| 20 | return obj.*pm; |
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| 21 | } |
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| 22 | }; |
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| 23 | |
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| 24 | template struct X2<int, Y>; |
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| 25 | template struct X2<int&, Y>; // expected-note{{instantiation}} |
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| 26 | template struct X2<const void, Y>; // expected-note{{instantiation}} |
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| 27 | |
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| 28 | template<typename T, typename Class, T Class::*Ptr> |
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| 29 | struct X3 { |
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| 30 | X3<T, Class, Ptr> &operator=(const T& value) { |
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| 31 | return *this; |
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| 32 | } |
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| 33 | }; |
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| 34 | |
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| 35 | X3<int, Y, &Y::x> x3; |
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| 36 | |
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| 37 | typedef int Y::*IntMember; |
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| 38 | |
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| 39 | template<IntMember Member> |
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| 40 | struct X4 { |
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| 41 | X3<int, Y, Member> member; |
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| 42 | |
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| 43 | int &getMember(Y& y) { return y.*Member; } |
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| 44 | }; |
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| 45 | |
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| 46 | int &get_X4(X4<&Y::x> x4, Y& y) { |
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| 47 | return x4.getMember(y); |
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| 48 | } |
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| 49 | |
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| 50 | template<IntMember Member> |
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| 51 | void accept_X4(X4<Member>); |
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| 52 | |
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| 53 | void test_accept_X4(X4<&Y::x> x4) { |
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| 54 | accept_X4(x4); |
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| 55 | } |
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| 56 | |
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| 57 | namespace ValueDepMemberPointer { |
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| 58 | template <void (*)()> struct instantiate_function {}; |
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| 59 | template <typename T> struct S { |
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| 60 | static void instantiate(); |
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| 61 | typedef instantiate_function<&S::instantiate> x; // expected-note{{instantiation}} |
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| 62 | }; |
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| 63 | template <typename T> void S<T>::instantiate() { |
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| 64 | int a[(int)sizeof(T)-42]; // expected-error{{array with a negative size}} |
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| 65 | } |
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| 66 | S<int> s; |
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| 67 | } |
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| 68 | |
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| 69 | namespace PR18192 { |
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| 70 | struct A { struct { int n; }; }; |
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| 71 | template<int A::*> struct X {}; |
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| 72 | constexpr int A::*p = &A::n; |
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| 73 | X<p> x; // expected-error{{not a pointer to member constant}} |
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| 74 | } |
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| 75 | |
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