1  /* PR c/68533 */
       2  /* { dg-do compile } */
       3  /* { dg-options "" } */
       4  
       5  struct T { int t; };
       6  
       7  void
       8  f1 (
       9    struct S *	/* { dg-warning "declared inside parameter list will not be visible outside of this definition or declaration" } */
      10    x,
      11    struct T *
      12    y
      13     )
      14  {
      15    y->t = 4;
      16  }
      17  
      18  void
      19  f2 (
      20    struct {int s;} * /* { dg-warning "anonymous struct declared inside parameter list will not be visible outside of this definition or declaration" } */
      21    x,
      22    struct T *
      23    y
      24     )
      25  {
      26    y->t = 5;
      27  }
      28  
      29  void
      30  f3 (
      31    const void	/* { dg-error "'void' as only parameter may not be qualified" } */
      32     )
      33  {
      34  }
      35  
      36  void
      37  f4 (
      38     void,	/* { dg-error "'void' must be the only parameter" } */
      39     ...
      40     )
      41  {
      42  }
      43  
      44  void
      45  f5 (
      46     int
      47     x;		/* { dg-error "parameter 'x' has just a forward declaration" } */
      48     int y
      49     )
      50  {
      51  }
      52  
      53  void
      54  f6 (
      55     int
      56     x,
      57     void	/* { dg-error "'void' must be the only parameter" } */
      58     )
      59  {
      60  }
      61  
      62  void
      63  f7 (
      64     void,	/* { dg-error "'void' must be the only parameter" } */
      65     int y
      66     )
      67  {
      68  }