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