1  /* Test for multiple declarations of an identifier at same block
       2     scope: only valid case is all extern.  */
       3  /* Origin: Joseph Myers <jsm@polyomino.org.uk> */
       4  /* { dg-do compile } */
       5  /* { dg-options "" } */
       6  
       7  void
       8  fa0 (void)
       9  {
      10    int a0; /* { dg-message "note: previous declaration" } */
      11    int a0; /* { dg-error "redeclaration" } */
      12  }
      13  
      14  void
      15  fa1 (void)
      16  {
      17    int a1; /* { dg-message "note: previous declaration" } */
      18    static int a1; /* { dg-error "redeclaration" } */
      19  }
      20  
      21  void
      22  fa2 (void)
      23  {
      24    int a2; /* { dg-message "note: previous declaration" } */
      25    extern int a2; /* { dg-error "follows declaration with no linkage" } */
      26  }
      27  
      28  void
      29  fa3 (void)
      30  {
      31    static int a3; /* { dg-message "note: previous declaration" } */
      32    int a3; /* { dg-error "redeclaration" } */
      33  }
      34  
      35  void
      36  fa4 (void)
      37  {
      38    static int a4; /* { dg-message "note: previous declaration" } */
      39    static int a4; /* { dg-error "redeclaration" } */
      40  }
      41  
      42  void
      43  fa5 (void)
      44  {
      45    static int a5; /* { dg-message "note: previous declaration" } */
      46    extern int a5; /* { dg-error "follows declaration with no linkage" } */
      47  }
      48  
      49  void
      50  fa6 (void)
      51  {
      52    extern int a6; /* { dg-message "note: previous declaration" } */
      53    int a6; /* { dg-error "follows extern declaration" } */
      54  }
      55  
      56  void
      57  fa7 (void)
      58  {
      59    extern int a7; /* { dg-message "note: previous declaration" } */
      60    static int a7; /* { dg-error "follows extern declaration" } */
      61  }
      62  
      63  void
      64  fa8 (void)
      65  {
      66    extern int a8;
      67    extern int a8;
      68  }