11 __device__ void device_fn() {}  in device_fn()  function
17   __device__ ~S() { device_fn(); }  in ~S()
23   __host__ __device__ void hd() { device_fn(); }  in hd()
28   __host__ __device__ void hd2() { device_fn(); }  in hd2()
37   device_fn();  in hd3()
41 template <typename T> __host__ __device__ void hd2() { device_fn(); }  in hd2()
45 __host__ __device__ void hd() { device_fn(); }  in hd()
49 template <typename T> __host__ __device__ void hd3() { device_fn(); }  in hd3()
80   auto* ptr = &device_fn;  in fn_ptr()
86   auto* ptr = &device_fn;  // Not an error because the template isn't instantiated.  in fn_ptr_template()
92 static __host__ __device__ void hd_func() { device_fn(); }  in hd_func()