Index: Lib/test/test_compileall.py
===================================================================
--- Lib/test/test_compileall.py	(revision 86565)
+++ Lib/test/test_compileall.py	(working copy)
@@ -184,6 +184,11 @@
         self.assertTrue(os.path.exists(cachedir))
         self.assertFalse(os.path.exists(cachecachedir))
 
+    def test_help(self):
+        proc = subprocess.Popen((sys.executable, '-m', 'compileall', '-h'),
+                                stdout=subprocess.PIPE)
+        self.assertTrue(proc.communicate ()[0].startswith (b"usage:"))
+        self.assertEqual(proc.wait(), 0)
 
 def test_main():
     support.run_unittest(