1  /* Test C2x nodiscard attribute: duplicates (allowed after N2557).  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-std=c2x -pedantic-errors" } */
       4  
       5  [[nodiscard, __nodiscard__]] int f (void);
       6  [[__nodiscard__, nodiscard("message")]] int g (void);