1  /* Test supply a __atomic_is_lock_free routine for lock-free tests.  */
       2  /* Just compile it on its own.  */
       3  /* { dg-do compile } */
       4  /* { dg-options "-w" } */
       5  
       6  /* Test that __atomic_{is,always}_lock_free builtins execute.  */
       7  
       8  #include <stdlib.h>
       9  
      10  /* Supply a builtin external function which returns a non-standard value so
      11     it can be detected that it was called.  */
      12  int 
      13  __atomic_is_lock_free (size_t s, void *p)
      14  {
      15    return 2;
      16  }
      17