1 // RUN: %clang_cc1 %s -fsyntax-only -verify 2 struct A { 3 A() { f(); } // expected-warning {{call to pure virtual member function 'f' has undefined behavior; overrides of 'f' in subclasses are not available in the constructor of 'A'}} 4 ~A() { f(); } // expected-warning {{call to pure virtual member function 'f' has undefined behavior; overrides of 'f' in subclasses are not available in the destructor of 'A'}} 5 6 virtual void f() = 0; // expected-note 2 {{'f' declared here}} 7 }; 8 9 // Don't warn (or note) when calling the function on a pointer. (PR10195) 10 struct B { 11 A *a; 12 B() { a->f(); }; 13 ~B() { a->f(); }; 14 }; 15 16 // Don't warn if the call is fully qualified. (PR23215) 17 struct C { 18 virtual void f() = 0; 19 C() { 20 C::f(); 21 } 22 }; 23
