21 lines · cpp
1// RUN: %clang_cc1 %s -fapple-kext -fsyntax-only -verify2 3struct A {4 virtual void f() = 0; // expected-note {{'f' declared here}}5 A() {6 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}}7 }8};9 10template <typename T> struct TA {11 virtual void f() = 0; // expected-note {{'f' declared here}}12 13 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}}14};15 16struct B : TA<int> { // expected-note {{in instantiation of member function 'TA<int>::TA' requested here}}17 void f() override;18};19 20B b;21