1  /* Test atomic_*_fence routines for existence and execution with each
       2     valid memory model.  */
       3  /* { dg-do run } */
       4  /* { dg-options "-std=c11 -pedantic-errors" } */
       5  
       6  #include <stdatomic.h>
       7  
       8  int
       9  main ()
      10  {
      11    atomic_thread_fence (memory_order_relaxed);
      12    atomic_thread_fence (memory_order_consume);
      13    atomic_thread_fence (memory_order_acquire);
      14    atomic_thread_fence (memory_order_release);
      15    atomic_thread_fence (memory_order_acq_rel);
      16    atomic_thread_fence (memory_order_seq_cst);
      17  
      18    atomic_signal_fence (memory_order_relaxed);
      19    atomic_signal_fence (memory_order_consume);
      20    atomic_signal_fence (memory_order_acquire);
      21    atomic_signal_fence (memory_order_release);
      22    atomic_signal_fence (memory_order_acq_rel);
      23    atomic_signal_fence (memory_order_seq_cst);
      24  
      25    return 0;
      26  }