1  /* Test for anonymous structures and unions in C11.  Test for invalid
       2     cases.  */
       3  /* { dg-do compile } */
       4  /* { dg-options "-std=c11 -pedantic-errors" } */
       5  
       6  typedef struct s0
       7  {
       8    int i;
       9  } s0;
      10  
      11  struct s1
      12  {
      13    int a;
      14    struct s0; /* { dg-error "declaration does not declare anything" } */
      15  };
      16  
      17  struct s2
      18  {
      19    int a;
      20    s0; /* { dg-error "declaration does not declare anything" } */
      21  };
      22  
      23  struct s3
      24  {
      25    struct
      26    {
      27      int i;
      28    };
      29    struct
      30    {
      31      int i; /* { dg-error "duplicate member" } */
      32    };
      33  };
      34  
      35  struct s4
      36  {
      37    int a;
      38    struct s
      39    {
      40      int i;
      41    }; /* { dg-error "declaration does not declare anything" } */
      42  };
      43  
      44  struct s5
      45  {
      46    struct
      47    {
      48      int i;
      49    } a;
      50    int b;
      51  } x;
      52  
      53  void
      54  f (void)
      55  {
      56    x.i = 0; /* { dg-error "has no member" } */
      57  }