1  extern void abort (void);
       2  
       3  int
       4  f1 (void)
       5  {
       6    int a = 6, e = 0;
       7    int nested (int x)
       8    {
       9      return x + a;
      10    }
      11    #pragma omp task
      12    {
      13      int n = nested (5);
      14      if (n != 11)
      15        #pragma omp atomic
      16  	e += 1;
      17    }
      18    #pragma omp taskwait
      19    return e;
      20  }
      21  
      22  int
      23  f2 (void)
      24  {
      25    int a = 6, e = 0;
      26    int nested (int x)
      27    {
      28      return x + a;
      29    }
      30    a = nested (4);
      31    #pragma omp task
      32    {
      33      if (a != 10)
      34        #pragma omp atomic
      35  	e += 1;
      36    }
      37    #pragma omp taskwait
      38    return e;
      39  }
      40  
      41  int
      42  main (void)
      43  {
      44    int e = 0;
      45    #pragma omp parallel num_threads(4) reduction(+:e)
      46    {
      47      e += f1 ();
      48      e += f2 ();
      49    }
      50    if (e)
      51      abort ();
      52    return 0;
      53  }