1  /* Test C11 alignment support.  Test invalid code.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-std=c11 -pedantic-errors" } */
       4  
       5  void foo (int []);
       6  void bar1 (int [_Alignas (double) 10]); /* { dg-error "expected expression before" } */
       7  void bar2 (int [static _Alignas (double) 10]); /* { dg-error "expected expression before" } */
       8  void bar3 (int [static const _Alignas (double) 10]); /* { dg-error "expected expression before" } */
       9  void bar4 (int [const _Alignas (double) 10]); /* { dg-error "expected expression before" } */
      10  void bar5 (int [_Alignas (0) *]); /* { dg-error "expected expression before" } */
      11  
      12  void foo (int a[_Alignas (0) 10]) { } /* { dg-error "expected expression before" } */
      13  
      14  void
      15  test (void)
      16  {
      17    int *_Alignas (long) p; /* { dg-error "expected" } */
      18    int *const _Alignas (long) *q; /* { dg-error "expected" } */
      19    struct s { int n; };
      20    __builtin_offsetof (struct s _Alignas (int), n); /* { dg-error "expected" } */
      21    __typeof (long double _Alignas (0)) e; /* { dg-error "expected" } */
      22    sizeof (int _Alignas (int)); /* { dg-error "specified for type name" } */
      23    _Alignas (int _Alignas (float)) int t; /* { dg-error "expected" } */
      24    __builtin_types_compatible_p (signed _Alignas (0), unsigned); /* { dg-error "expected" } */
      25    int a[_Alignas (int) 10]; /* { dg-error "expected expression before" } */
      26    int b[10];
      27    foo (b);
      28  }