static void f(void) { char *s1 = __func__; char arr[2 * (sizeof __func__ == 2) - 1]; char *s2 = __func__ __func__; } /* * check-name: __func__ * check-command: sparse -Wall $file * * check-error-start __func__.c:5:29: error: Expected ; at end of declaration __func__.c:5:29: error: got __func__ * check-error-end */