95 lines
3.5 KiB
C++
95 lines
3.5 KiB
C++
#define MOZ_NEEDS_NO_VTABLE_TYPE __attribute__((annotate("moz_needs_no_vtable_type")))
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template <class T>
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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}}
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T *m;
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};
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template <class T>
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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}}
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T *m;
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};
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template <class T>
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struct PickyConsumerWrapper {
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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}}
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};
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template <class T>
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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}}
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T *m;
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};
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template <class T>
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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}}
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template <class T>
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struct NonPickyConsumer {
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T *m;
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};
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struct A {};
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struct B : virtual A {};
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struct C : A {};
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struct D {
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void d();
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};
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struct E {
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virtual void e();
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};
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struct F : E {
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virtual void e() final;
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};
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struct G {
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virtual void e() = 0;
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};
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void f() {
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{
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PickyConsumer<A> a1;
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PickyConsumerWrapper<A> a2;
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PickyConsumerSubclass<A> a3;
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NonPickyConsumer<A> a4;
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}
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{
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PickyConsumer<B> a1; // expected-note {{bad instantiation of 'PickyConsumer<B>' requested here}}
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PickyConsumerWrapper<B> a2;
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PickyConsumerSubclass<B> a3;
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NonPickyConsumer<B> a4;
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}
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{
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PickyConsumer<C> a1;
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PickyConsumerWrapper<C> a2;
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PickyConsumerSubclass<C> a3;
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NonPickyConsumer<C> a4;
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}
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{
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PickyConsumer<D> a1;
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PickyConsumerWrapper<D> a2;
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PickyConsumerSubclass<D> a3;
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NonPickyConsumer<D> a4;
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}
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{
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PickyConsumer<E> a1; // expected-note {{bad instantiation of 'PickyConsumer<E>' requested here}}
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PickyConsumerWrapper<E> a2;
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PickyConsumerSubclass<E> a3;
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NonPickyConsumer<E> a4;
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}
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{
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PickyConsumer<F> a1; // expected-note {{bad instantiation of 'PickyConsumer<F>' requested here}}
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PickyConsumerWrapper<F> a2;
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PickyConsumerSubclass<F> a3;
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NonPickyConsumer<F> a4;
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}
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{
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PickyConsumer<G> a1; // expected-note {{bad instantiation of 'PickyConsumer<G>' requested here}}
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PickyConsumerWrapper<G> a2;
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PickyConsumerSubclass<G> a3;
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NonPickyConsumer<G> a4;
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}
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}
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