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/* { dg-do run } */

int x, *p = &x;

extern void abort (void);

void

f1 (int *q)

{

  *q = 1;

#pragma omp flush

  /* x, p, and *q are flushed */

  /* because they are shared and accessible */

  /* q is not flushed because it is not shared. */

}

void

f2 (int *q)

{

#pragma omp barrier

  *q = 2;

#pragma omp barrier

  /*  a barrier implies a flush */

  /*  x, p, and *q are flushed */

  /*  because they are shared and accessible */

  /*  q is not flushed because it is not shared. */

}

int

g (int n)

{

  int i = 1, j, sum = 0;

  *p = 1;

#pragma omp parallel reduction(+: sum) num_threads(2)

  {

    f1 (&j);

    /* i, n and sum were not flushed */

    /* because they were not accessible in f1 */

    /* j was flushed because it was accessible */

    sum += j;

    f2 (&j);

    /* i, n, and sum were not flushed */

    /* because they were not accessible in f2 */

    /* j was flushed because it was accessible */

    sum += i + j + *p + n;

  }

  return sum;

}

int

main ()

{

  int result = g (10);

  if (result != 30)

    abort ();

  return 0;

}