1  /* { dg-do compile } */
       2  
       3  #define ATTR_PRINTF __attribute__ ((format (printf, 1, 2)))
       4  #define ATTR_USED __attribute__ ((used))
       5  
       6  void bar (int, ...);
       7  
       8  /* gcc would segfault on the nested attribute.  */
       9  void foo (void)
      10  {
      11    bar (0, (void (*ATTR_PRINTF) (const char *, ...)) 0);
      12  }
      13  
      14  /* For consistency, unnamed decls should give the same warnings as
      15     named ones.  */
      16  void proto1 (int (*ATTR_USED) (void)); /* { dg-warning "attribute ignored" } */
      17  void proto2 (int (*ATTR_USED bar) (void)); /* { dg-warning "attribute ignored" } */