clang/test/CXX/class.derived/class.virtual/p2.cpp

   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 }