| 1 | // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s |
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| 2 | // RUN: %clang_cc1 -std=c++1z -fsyntax-only -verify %s |
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| 3 | |
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| 4 | void f0() &; // expected-error {{non-member function cannot have '&' qualifier}} |
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| 5 | void f1() &&; // expected-error {{non-member function cannot have '&&' qualifier}} |
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| 6 | void f2() const volatile &&; // expected-error {{non-member function cannot have 'const volatile &&' qualifier}} |
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| 7 | |
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| 8 | struct X { |
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| 9 | void f0() &; |
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| 10 | void f1() &&; |
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| 11 | static void f2() &; // expected-error{{static member function cannot have '&' qualifier}} |
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| 12 | static void f3() &&; // expected-error{{static member function cannot have '&&' qualifier}} |
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| 13 | }; |
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| 14 | |
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| 15 | typedef void func_type_lvalue() &; |
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| 16 | typedef void func_type_rvalue() &&; |
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| 17 | |
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| 18 | typedef func_type_lvalue *func_type_lvalue_ptr; // expected-error{{pointer to function type 'func_type_lvalue' (aka 'void () &') cannot have '&' qualifier}} |
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| 19 | typedef func_type_rvalue *func_type_rvalue_ptr; // expected-error{{pointer to function type 'func_type_rvalue' (aka 'void () &&') cannot have '&&' qualifier}} |
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| 20 | |
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| 21 | typedef func_type_lvalue &func_type_lvalue_ref; // expected-error{{reference to function type 'func_type_lvalue' (aka 'void () &') cannot have '&' qualifier}} |
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| 22 | typedef func_type_rvalue &func_type_rvalue_ref; // expected-error{{reference to function type 'func_type_rvalue' (aka 'void () &&') cannot have '&&' qualifier}} |
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| 23 | |
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| 24 | template<typename T = func_type_lvalue> struct wrap { |
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| 25 | typedef T val; |
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| 26 | typedef T *ptr; // expected-error-re 2{{pointer to function type '{{.*}}' cannot have '{{&|&&}}' qualifier}} |
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| 27 | typedef T &ref; // expected-error-re 2{{reference to function type '{{.*}}' cannot have '{{&|&&}}' qualifier}} |
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| 28 | }; |
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| 29 | |
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| 30 | using func_type_lvalue = wrap<>::val; // expected-note{{in instantiation of}} |
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| 31 | using func_type_lvalue = wrap<func_type_lvalue>::val; |
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| 32 | using func_type_rvalue = wrap<func_type_rvalue>::val; // expected-note{{in instantiation of}} |
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| 33 | |
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| 34 | using func_type_lvalue_ptr = wrap<>::ptr; |
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| 35 | using func_type_lvalue_ptr = wrap<func_type_lvalue>::ptr; |
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| 36 | using func_type_rvalue_ptr = wrap<func_type_rvalue>::ptr; |
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| 37 | |
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| 38 | using func_type_lvalue_ref = wrap<>::ref; |
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| 39 | using func_type_lvalue_ref = wrap<func_type_lvalue>::ref; |
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| 40 | using func_type_rvalue_ref = wrap<func_type_rvalue>::ref; |
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| 41 | |
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| 42 | func_type_lvalue f2; // expected-error{{non-member function of type 'func_type_lvalue' (aka 'void () &') cannot have '&' qualifier}} |
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| 43 | func_type_rvalue f3; // expected-error{{non-member function of type 'func_type_rvalue' (aka 'void () &&') cannot have '&&' qualifier}} |
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| 44 | |
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| 45 | struct Y { |
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| 46 | func_type_lvalue f0; |
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| 47 | func_type_rvalue f1; |
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| 48 | }; |
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| 49 | |
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| 50 | void (X::*mpf1)() & = &X::f0; |
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| 51 | void (X::*mpf2)() && = &X::f1; |
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| 52 | |
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| 53 | |
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| 54 | void (f() &&); // expected-error{{non-member function cannot have '&&' qualifier}} |
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| 55 | |
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| 56 | // FIXME: These are ill-formed. |
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| 57 | template<typename T> struct pass { |
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| 58 | void f(T); |
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| 59 | }; |
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| 60 | pass<func_type_lvalue> pass0; |
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| 61 | pass<func_type_lvalue> pass1; |
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| 62 | |
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| 63 | template<typename T, typename U> struct is_same { static const bool value = false; }; |
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| 64 | template<typename T> struct is_same<T, T> { static const bool value = true; }; |
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| 65 | constexpr bool cxx1z = __cplusplus > 201402L; |
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| 66 | |
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| 67 | void noexcept_true() noexcept(true); |
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| 68 | void noexcept_false() noexcept(false); |
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| 69 | using func_type_noexcept_true = wrap<decltype(noexcept_true)>; |
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| 70 | using func_type_noexcept_false = wrap<decltype(noexcept_false)>; |
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| 71 | static_assert(is_same<func_type_noexcept_false, func_type_noexcept_true>::value == !cxx1z, ""); |
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| 72 | static_assert(is_same<func_type_noexcept_false::val, func_type_noexcept_true::val>::value == !cxx1z, ""); |
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| 73 | static_assert(is_same<func_type_noexcept_false::ptr, func_type_noexcept_true::ptr>::value == !cxx1z, ""); |
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| 74 | static_assert(is_same<func_type_noexcept_false::ref, func_type_noexcept_true::ref>::value == !cxx1z, ""); |
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| 75 | |
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