1  /* Test C2x attribute syntax.  Invalid use of fallthrough attribute in
       2     bad context inside switch.  */
       3  /* { dg-do compile } */
       4  /* { dg-options "-std=c2x -pedantic-errors -Wextra" } */
       5  
       6  int
       7  f (int a)
       8  {
       9    switch (a)
      10      {
      11      case 1:
      12        a++;
      13        [[fallthrough]]; /* { dg-error "attribute 'fallthrough' not preceding a case label or default label" } */
      14        a++;
      15        [[fallthrough]]; /* { dg-error "attribute 'fallthrough' not preceding a case label or default label" } */
      16      }
      17    return a;
      18  }