1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-inaccessible-base %s 2 struct A { 3 virtual void f() = 0; // expected-note 2{{overridden virtual function}} 4 }; 5 6 struct Aprime : virtual A { 7 virtual void f(); 8 }; 9 10 struct B : Aprime { 11 virtual void f(); // expected-note 3{{final overrider of 'A::f'}} 12 }; 13 14 struct C : virtual A { 15 virtual void f(); // expected-note{{final overrider of 'A::f'}} 16 }; 17 18 struct D : B, C { }; // expected-error{{virtual function 'A::f' has more than one final overrider in 'D'}} 19 20 struct B2 : B { }; 21 22 struct E : B, B2 { }; //expected-error{{virtual function 'A::f' has more than one final overrider in 'E'}} 23 24 struct F : B, B2 { 25 virtual void f(); // okay 26 }; 27 28 struct G : F { }; // okay 29 30 struct H : G, A { }; // okay 31 32 namespace MultipleSubobjects { 33 struct A { virtual void f(); }; 34 struct B : A { virtual void f(); }; 35 struct C : A { virtual void f(); }; 36 struct D : B, C { }; // okay 37 } 38