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    template <typename T> void CallBanana() { T::Banana(); }
    template <typename T> void CallOrange() { T::Orange(); }
    template <typename T> void CallUnimpl();
 
    template <typename T>
    struct S {
        static void CallBanana() { T::Banana(); }
        static void CallOrange() { T::Orange(); }
        static void CallUnimpl();
    };
 
    int main() {
        (void)(&CallBanana<void>);
        (void)(&CallOrange<void>);
        (void)(&CallUnimpl<void>);
        (void)(&S<void>::CallBanana);
        (void)(&S<void>::CallOrange);
        (void)(&S<void>::CallUnimpl);
    }

prog.cpp: In instantiation of ‘void CallBanana() [with T = void]’:
prog.cpp:13:33:   required from here
prog.cpp:1:47: error: incomplete type ‘void’ used in nested name specifier
prog.cpp: In instantiation of ‘void CallOrange() [with T = void]’:
prog.cpp:14:33:   required from here
prog.cpp:2:47: error: incomplete type ‘void’ used in nested name specifier
prog.cpp: In instantiation of ‘static void S<T>::CallBanana() [with T = void]’:
prog.cpp:16:26:   required from here
prog.cpp:7:36: error: incomplete type ‘void’ used in nested name specifier
prog.cpp: In instantiation of ‘static void S<T>::CallOrange() [with T = void]’:
prog.cpp:17:26:   required from here
prog.cpp:8:36: error: incomplete type ‘void’ used in nested name specifier

Standard output is empty