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/* PR libgomp/42942 */
/* { dg-do run } */
#include <omp.h>
#include <stdlib.h>
int
main (void)
{
int e = 0;
omp_set_dynamic (0);
omp_set_nested (1);
omp_set_max_active_levels (1);
if (omp_get_max_active_levels () != 1)
abort ();
#pragma omp parallel num_threads(2) reduction(|:e)
if (!omp_in_parallel ()
|| omp_get_num_threads () != 2)
e = 1;
else
#pragma omp parallel num_threads(2) reduction(|:e)
if (!omp_in_parallel ()
|| omp_get_num_threads () != 1)
e = 1;
if (e)
abort ();
omp_set_max_active_levels (0);
if (omp_get_max_active_levels () != 0)
abort ();
#pragma omp parallel num_threads(2) reduction(|:e)
if (omp_in_parallel ()
|| omp_get_num_threads () != 1)
e = 1;
else
#pragma omp parallel num_threads(2) reduction(|:e)
if (omp_in_parallel ()
|| omp_get_num_threads () != 1)
e = 1;
if (e)
abort ();
omp_set_max_active_levels (2);
if (omp_get_max_active_levels () != 2)
abort ();
#pragma omp parallel num_threads(2) reduction(|:e)
if (!omp_in_parallel ()
|| omp_get_num_threads () != 2)
e = 1;
else
#pragma omp parallel num_threads(2) reduction(|:e)
if (!omp_in_parallel ()
|| omp_get_num_threads () != 2)
e = 1;
else
#pragma omp parallel num_threads(2) reduction(|:e)
if (!omp_in_parallel ()
|| omp_get_num_threads () != 1)
e = 1;
if (e)
abort ();
return 0;
}
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