Mirror of roytam1's UXP fork just in case Moonchild and Tobin decide to go after him
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#define MOZ_NEEDS_NO_VTABLE_TYPE __attribute__((annotate("moz_needs_no_vtable_type")))
template <class T>
struct MOZ_NEEDS_NO_VTABLE_TYPE PickyConsumer { // expected-error {{'PickyConsumer<B>' cannot be instantiated because 'B' has a VTable}} expected-error {{'PickyConsumer<E>' cannot be instantiated because 'E' has a VTable}} expected-error {{'PickyConsumer<F>' cannot be instantiated because 'F' has a VTable}} expected-error {{'PickyConsumer<G>' cannot be instantiated because 'G' has a VTable}}
T *m;
};
template <class T>
struct MOZ_NEEDS_NO_VTABLE_TYPE PickyConsumer_A { // expected-error {{'PickyConsumer_A<B>' cannot be instantiated because 'B' has a VTable}} expected-error {{'PickyConsumer_A<E>' cannot be instantiated because 'E' has a VTable}} expected-error {{'PickyConsumer_A<F>' cannot be instantiated because 'F' has a VTable}} expected-error {{'PickyConsumer_A<G>' cannot be instantiated because 'G' has a VTable}}
T *m;
};
template <class T>
struct PickyConsumerWrapper {
PickyConsumer_A<T> m; // expected-note {{bad instantiation of 'PickyConsumer_A<B>' requested here}} expected-note {{bad instantiation of 'PickyConsumer_A<E>' requested here}} expected-note {{bad instantiation of 'PickyConsumer_A<F>' requested here}} expected-note {{bad instantiation of 'PickyConsumer_A<G>' requested here}}
};
template <class T>
struct MOZ_NEEDS_NO_VTABLE_TYPE PickyConsumer_B { // expected-error {{'PickyConsumer_B<B>' cannot be instantiated because 'B' has a VTable}} expected-error {{'PickyConsumer_B<E>' cannot be instantiated because 'E' has a VTable}} expected-error {{'PickyConsumer_B<F>' cannot be instantiated because 'F' has a VTable}} expected-error {{'PickyConsumer_B<G>' cannot be instantiated because 'G' has a VTable}}
T *m;
};
template <class T>
struct PickyConsumerSubclass : PickyConsumer_B<T> {}; // expected-note {{bad instantiation of 'PickyConsumer_B<B>' requested here}} expected-note {{bad instantiation of 'PickyConsumer_B<E>' requested here}} expected-note {{bad instantiation of 'PickyConsumer_B<F>' requested here}} expected-note {{bad instantiation of 'PickyConsumer_B<G>' requested here}}
template <class T>
struct NonPickyConsumer {
T *m;
};
struct A {};
struct B : virtual A {};
struct C : A {};
struct D {
void d();
};
struct E {
virtual void e();
};
struct F : E {
virtual void e() final;
};
struct G {
virtual void e() = 0;
};
void f() {
{
PickyConsumer<A> a1;
PickyConsumerWrapper<A> a2;
PickyConsumerSubclass<A> a3;
NonPickyConsumer<A> a4;
}
{
PickyConsumer<B> a1; // expected-note {{bad instantiation of 'PickyConsumer<B>' requested here}}
PickyConsumerWrapper<B> a2;
PickyConsumerSubclass<B> a3;
NonPickyConsumer<B> a4;
}
{
PickyConsumer<C> a1;
PickyConsumerWrapper<C> a2;
PickyConsumerSubclass<C> a3;
NonPickyConsumer<C> a4;
}
{
PickyConsumer<D> a1;
PickyConsumerWrapper<D> a2;
PickyConsumerSubclass<D> a3;
NonPickyConsumer<D> a4;
}
{
PickyConsumer<E> a1; // expected-note {{bad instantiation of 'PickyConsumer<E>' requested here}}
PickyConsumerWrapper<E> a2;
PickyConsumerSubclass<E> a3;
NonPickyConsumer<E> a4;
}
{
PickyConsumer<F> a1; // expected-note {{bad instantiation of 'PickyConsumer<F>' requested here}}
PickyConsumerWrapper<F> a2;
PickyConsumerSubclass<F> a3;
NonPickyConsumer<F> a4;
}
{
PickyConsumer<G> a1; // expected-note {{bad instantiation of 'PickyConsumer<G>' requested here}}
PickyConsumerWrapper<G> a2;
PickyConsumerSubclass<G> a3;
NonPickyConsumer<G> a4;
}
}