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// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
// RUN: %clang_cc1 -std=c++20 -fsyntax-only -verify %s
// Member function declarations with the same name and the same
// parameter-type-list as well as mem- ber function template
// declarations with the same name, the same parameter-type-list, and
// the same template parameter lists cannot be overloaded if any of
// them, but not all, have a ref-qualifier (8.3.5).
class Y {
void h() &;
void h() const &;
void h() &&;
void i() &; // expected-note{{previous declaration}}
void i() const; // expected-error{{cannot overload a member function without a ref-qualifier with a member function with ref-qualifier '&'}}
template<typename T> void f(T*) &;
template<typename T> void f(T*) &&;
template<typename T> void g(T*) &; // expected-note{{previous declaration}}
template<typename T> void g(T*); // expected-error{{cannot overload a member function without a ref-qualifier with a member function with ref-qualifier '&'}}
void k(); // expected-note{{previous declaration}}
void k() &&; // expected-error{{cannot overload a member function with ref-qualifier '&&' with a member function without a ref-qualifier}}
};
struct GH76358 {
template<int> void f() && {}
template<typename T> void f() const {}
};
#if __cplusplus >= 202002L
namespace GH58962 {
template<typename T>
__add_rvalue_reference(T) declval();
template<unsigned R>
struct type
{
void func() requires (R == 0);
void func() & requires (R == 1);
void func() && requires (R == 2);
};
template<typename T>
concept test = requires { declval<T>().func(); };
static_assert(test<type<0>&>);
static_assert(test<type<0>&&>);
static_assert(test<type<1>&>);
static_assert(not test<type<1>&&>);
static_assert(not test<type<2>&>);
static_assert(test<type<2>&&>);
}
namespace GH78101 {
template<typename T, typename U, int i>
concept True = true;
template<typename T, int I>
struct Template {
static constexpr int i = I;
friend constexpr auto operator+(True<T, i> auto f) {
return i;
}
};
template<int I>
struct Template<float, I> {
static constexpr int i = I;
friend constexpr auto operator+(True<float, i> auto f) {
return i;
}
};
Template<void, 4> f{};
static_assert(+Template<float, 5>{} == 5);
}
#endif
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