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-rw-r--r--libgomp/testsuite/libgomp.c/pr42942.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c/pr42942.c b/libgomp/testsuite/libgomp.c/pr42942.c
new file mode 100644
index 00000000000..5d57852450a
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/pr42942.c
@@ -0,0 +1,61 @@
+/* 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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