1  /* { dg-do compile } */
       2  /* { dg-options "-fopenmp" } */
       3  
       4  int x = 6;
       5  
       6  void
       7  foo ()
       8  {
       9    int v;
      10    #pragma omp atomic seq_cst read
      11    v = x;
      12    #pragma omp atomic seq_cst, read
      13    v = x;
      14    #pragma omp atomic seq_cst write
      15    x = v;
      16    #pragma omp atomic seq_cst ,write
      17    x = v;
      18    #pragma omp atomic seq_cst update
      19    x += v;
      20    #pragma omp atomic seq_cst , update
      21    x += v;
      22    #pragma omp atomic seq_cst capture
      23    v = x += 2;
      24    #pragma omp atomic seq_cst, capture
      25    v = x += 2;
      26    #pragma omp atomic read , seq_cst
      27    v = x;
      28    #pragma omp atomic write ,seq_cst
      29    x = v;
      30    #pragma omp atomic update, seq_cst
      31    x += v;
      32    #pragma omp atomic capture, seq_cst
      33    v = x += 2;
      34  }