--- /dev/null
+#include <omp.h>
+#include <stdlib.h>
+
+int
+main (void)
+{
+ int l = 0;
+ omp_nest_lock_t lock;
+ omp_init_nest_lock (&lock);
+#pragma omp parallel reduction (+:l) num_threads (1)
+ {
+ if (omp_test_nest_lock (&lock) != 1)
+ l++;
+ if (omp_test_nest_lock (&lock) != 2)
+ l++;
+ #pragma omp task if (0) shared (lock, l)
+ {
+ if (omp_test_nest_lock (&lock) != 0)
+ l++;
+ }
+ #pragma omp taskwait
+ if (omp_test_nest_lock (&lock) != 3)
+ l++;
+ omp_unset_nest_lock (&lock);
+ omp_unset_nest_lock (&lock);
+ omp_unset_nest_lock (&lock);
+ }
+ if (l)
+ abort ();
+ omp_destroy_nest_lock (&lock);
+ return 0;
+}