1  /* Test various erroneous or ignored uses of C2X attribute syntax.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-fgnu-tm" } */
       4  
       5  void
       6  f1 (void)
       7  {
       8    __transaction_atomic [[outer()]] {} /* { dg-error "does not take any arguments" } */
       9  }
      10  
      11  void
      12  f2 (void)
      13  {
      14    __transaction_atomic [[not_a_tm_attribute]] {} /* { dg-warning "attribute directive ignored" } */
      15  }
      16  
      17  void
      18  f3 (void)
      19  {
      20    __transaction_atomic [[unknown_attribute(args of *unknown* attributes need only (be {balanced[(({{[[]]}}))]}!), as per standard C)]] {} /* { dg-warning "attribute directive ignored" } */
      21  }
      22  
      23  void
      24  f4 (void)
      25  {
      26    __transaction_atomic [[gnu::const]] {} /* { dg-warning "attribute directive ignored" } */
      27  }
      28  
      29  void
      30  f5 (void)
      31  {
      32    __transaction_atomic [[bad_namespace::outer]] {} /* { dg-warning "attribute directive ignored" } */
      33  }
      34  
      35  void
      36  f6 (void)
      37  {
      38    __transaction_atomic [[outer, outer]] {} /* { dg-warning "attribute duplicated" } */
      39  }