text: // 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 <typename T> 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<int>'}} // expected-note {{qualified call to 'TA<int>'::'f' is treated as a virtual call to 'f' due to -fapple-kext}}
  };
  
  struct B : TA<int> { // expected-note {{in instantiation of member function 'TA<int>::TA' requested here}}
    void f() override;
  };
  
  B b;
  