1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | // RUN: %clang_cc1 -fsyntax-only -std=c++11 -verify %s namespace Test1 { struct B { virtual void f(int); }; struct D : B { virtual void f(long) override; // expected-error {{'f' marked 'override' but does not override any member functions}} void f(int) override; }; } namespace Test2 { struct A { virtual void f(int, char, int); }; template<typename T> struct B : A { // FIXME: Diagnose this. virtual void f(T) override; }; template<typename T> struct C : A { virtual void f(int) override; // expected-error {{does not override}} }; } namespace Test3 { struct A { virtual void f(int, char, int); }; template<typename... Args> struct B : A { virtual void f(Args...) override; // expected-error {{'f' marked 'override' but does not override any member functions}} }; template struct B<int, char, int>; template struct B<int>; // expected-note {{in instantiation of template class 'Test3::B<int>' requested here}} } namespace Test4 { struct B { virtual void f() const final; // expected-note {{overridden virtual function is here}} }; struct D : B { void f() const; // expected-error {{declaration of 'f' overrides a 'final' function}} }; } namespace PR13499 { struct X { virtual void f(); virtual void h(); }; template<typename T> struct A : X { void f() override; void h() final; }; template<typename T> struct B : X { void g() override; // expected-error {{only virtual member functions can be marked 'override'}} void i() final; // expected-error {{only virtual member functions can be marked 'final'}} }; B<int> b; // no-note template<typename T> struct C : T { void g() override; void i() final; }; template<typename T> struct D : X { virtual void g() override; // expected-error {{does not override}} virtual void i() final; }; template<typename...T> struct E : X { void f(T...) override; void g(T...) override; // expected-error {{only virtual member functions can be marked 'override'}} void h(T...) final; void i(T...) final; // expected-error {{only virtual member functions can be marked 'final'}} }; // FIXME: Diagnose these in the template definition, not in the instantiation. E<> e; // expected-note {{in instantiation of}} template<typename T> struct Y : T { void f() override; void h() final; }; template<typename T> struct Z : T { void g() override; // expected-error {{only virtual member functions can be marked 'override'}} void i() final; // expected-error {{only virtual member functions can be marked 'final'}} }; Y<X> y; Z<X> z; // expected-note {{in instantiation of}} } namespace MemberOfUnknownSpecialization { template<typename T> struct A { struct B {}; struct C : B { void f() override; }; }; template<> struct A<int>::B { virtual void f(); }; // ok A<int>::C c1; template<> struct A<char>::B { void f(); }; // expected-error@-13 {{only virtual member functions can be marked 'override'}} // expected-note@+1 {{in instantiation of}} A<char>::C c2; template<> struct A<double>::B { virtual void f() final; }; // expected-error@-20 {{declaration of 'f' overrides a 'final' function}} // expected-note@-3 {{here}} // expected-note@+1 {{in instantiation of}} A<double>::C c3; } namespace DiagnosticsQOI { struct X { virtual ~X(); virtual void foo(int x); // expected-note {{hidden overloaded virtual function}} virtual void bar(int x); // expected-note 2 {{hidden overloaded virtual function}} virtual void bar(float x); // expected-note 2 {{hidden overloaded virtual function}} }; struct Y : X { void foo(int x, int y) override; // expected-error {{non-virtual member function marked 'override' hides virtual member function}} void bar(double) override; // expected-error {{non-virtual member function marked 'override' hides virtual member functions}} void bar(long double) final; // expected-error {{non-virtual member function marked 'final' hides virtual member functions}} }; template<typename T> struct Z : T { static void foo() override; // expected-error {{only virtual member functions can be marked 'override'}} }; } |