112a9d9c8Sopenharmony_ciclass C {
212a9d9c8Sopenharmony_cipublic:
312a9d9c8Sopenharmony_ci    virtual void do_thing(char);
412a9d9c8Sopenharmony_ci    virtual void do_thing(int);
512a9d9c8Sopenharmony_ci};
6