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diff --git a/libgomp/testsuite/libgomp.c/lock-2.c b/libgomp/testsuite/libgomp.c/lock-2.c
new file mode 100644
index 00000000..9009b12f
--- /dev/null
+++ b/libgomp/testsuite/libgomp.c/lock-2.c
@@ -0,0 +1,32 @@
+#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;
+}