// RUN: %clang_cc1 %s -fapple-kext -fsyntax-only -verify struct A { virtual void f() = 0; // expected-note {{'f' declared here}} A() { 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'}} // expected-note {{qualified call to 'A'::'f' is treated as a virtual call to 'f' due to -fapple-kext}} } }; template struct TA { virtual void f() = 0; // expected-note {{'f' declared here}} TA() { TA::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 'TA'}} // expected-note {{qualified call to 'TA'::'f' is treated as a virtual call to 'f' due to -fapple-kext}} }; struct B : TA { // expected-note {{in instantiation of member function 'TA::TA' requested here}} void f() override; }; B b;