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diff --git a/libgomp/testsuite/libgomp.fortran/nested1.f90 b/libgomp/testsuite/libgomp.fortran/nested1.f90
new file mode 100644
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--- /dev/null
+++ b/libgomp/testsuite/libgomp.fortran/nested1.f90
@@ -0,0 +1,87 @@
+! { dg-do run }
+program nested1
+  use omp_lib
+  integer :: e1, e2, e3, e
+  integer :: tn1, tn2, tn3
+  e1 = 0
+  e2 = 0
+  e3 = 0
+  call omp_set_nested (.true.)
+  call omp_set_dynamic (.false.)
+  if (omp_in_parallel ()) call abort
+  if (omp_get_num_threads ().ne.1) call abort
+  if (omp_get_level ().ne.0) call abort
+  if (omp_get_ancestor_thread_num (0).ne.0) call abort
+  if (omp_get_ancestor_thread_num (-1).ne.-1) call abort
+  if (omp_get_ancestor_thread_num (1).ne.-1) call abort
+  if (omp_get_team_size (0).ne.1) call abort
+  if (omp_get_team_size (-1).ne.-1) call abort
+  if (omp_get_team_size (1).ne.-1) call abort
+  if (omp_get_active_level ().ne.0) call abort
+!$omp parallel num_threads (4) private (e, tn1)
+  e = 0
+  tn1 = omp_get_thread_num ()
+  if (.not.omp_in_parallel ()) e = e + 1
+  if (omp_get_num_threads ().ne.4) e = e + 1
+  if (tn1.lt.0.or.tn1.ge.4) e = e + 1
+  if (omp_get_level ().ne.1) e = e + 1
+  if (omp_get_ancestor_thread_num (0).ne.0) e = e + 1
+  if (omp_get_ancestor_thread_num (1).ne.tn1) e = e + 1
+  if (omp_get_ancestor_thread_num (-1).ne.-1) e = e + 1
+  if (omp_get_ancestor_thread_num (2).ne.-1) e = e + 1
+  if (omp_get_team_size (0).ne.1) e = e + 1
+  if (omp_get_team_size (1).ne.4) e = e + 1
+  if (omp_get_team_size (-1).ne.-1) e = e + 1
+  if (omp_get_team_size (2).ne.-1) e = e + 1
+  if (omp_get_active_level ().ne.1) e = e + 1
+  !$omp atomic
+    e1 = e1 + e
+!$omp parallel num_threads (5) if (.false.) firstprivate (tn1) &
+!$omp& private (e, tn2)
+  e = 0
+  tn2 = omp_get_thread_num ()
+  if (.not.omp_in_parallel ()) e = e + 1
+  if (omp_get_num_threads ().ne.1) e = e + 1
+  if (tn2.ne.0) e = e + 1
+  if (omp_get_level ().ne.2) e = e + 1
+  if (omp_get_ancestor_thread_num (0).ne.0) e = e + 1
+  if (omp_get_ancestor_thread_num (1).ne.tn1) e = e + 1
+  if (omp_get_ancestor_thread_num (2).ne.tn2) e = e + 1
+  if (omp_get_ancestor_thread_num (-1).ne.-1) e = e + 1
+  if (omp_get_ancestor_thread_num (3).ne.-1) e = e + 1
+  if (omp_get_team_size (0).ne.1) e = e + 1
+  if (omp_get_team_size (1).ne.4) e = e + 1
+  if (omp_get_team_size (2).ne.1) e = e + 1
+  if (omp_get_team_size (-1).ne.-1) e = e + 1
+  if (omp_get_team_size (3).ne.-1) e = e + 1
+  if (omp_get_active_level ().ne.1) e = e + 1
+  !$omp atomic
+    e2 = e2 + e
+!$omp parallel num_threads (2) firstprivate (tn1, tn2) &
+!$omp& private (e, tn3)
+  e = 0
+  tn3 = omp_get_thread_num ()
+  if (.not.omp_in_parallel ()) e = e + 1
+  if (omp_get_num_threads ().ne.2) e = e + 1
+  if (tn3.lt.0.or.tn3.ge.2) e = e + 1
+  if (omp_get_level ().ne.3) e = e + 1
+  if (omp_get_ancestor_thread_num (0).ne.0) e = e + 1
+  if (omp_get_ancestor_thread_num (1).ne.tn1) e = e + 1
+  if (omp_get_ancestor_thread_num (2).ne.tn2) e = e + 1
+  if (omp_get_ancestor_thread_num (3).ne.tn3) e = e + 1
+  if (omp_get_ancestor_thread_num (-1).ne.-1) e = e + 1
+  if (omp_get_ancestor_thread_num (4).ne.-1) e = e + 1
+  if (omp_get_team_size (0).ne.1) e = e + 1
+  if (omp_get_team_size (1).ne.4) e = e + 1
+  if (omp_get_team_size (2).ne.1) e = e + 1
+  if (omp_get_team_size (3).ne.2) e = e + 1
+  if (omp_get_team_size (-1).ne.-1) e = e + 1
+  if (omp_get_team_size (4).ne.-1) e = e + 1
+  if (omp_get_active_level ().ne.2) e = e + 1
+  !$omp atomic
+    e3 = e3 + e
+!$omp end parallel
+!$omp end parallel
+!$omp end parallel
+  if (e1.ne.0.or.e2.ne.0.or.e3.ne.0) call abort
+end program nested1