1  /* Test old-style function definitions not in C2x: () gives a type with
       2     a prototype for all declarations.  */
       3  /* { dg-do compile } */
       4  /* { dg-options "-std=c2x" } */
       5  
       6  void f1 (); /* { dg-message "declared here" } */
       7  
       8  /* Prototyped function returning a pointer to a function with no arguments.  */
       9  void (*f2 (void))() { return f1; }
      10  
      11  void
      12  g (void)
      13  {
      14    f1 (1); /* { dg-error "too many arguments" } */
      15    f2 () (1); /* { dg-error "too many arguments" } */
      16  }