--- test_grammar.bak	2008-06-15 14:53:12.000000000 -0500
+++ test_grammar.py	2009-10-26 14:06:47.000000000 -0500
@@ -868,3 +868,10 @@
 verify((6 * 2 if 1 else 4) == 12)
 verify((6 / 2 if 1 else 3) == 3)
 verify((6 < 4 if 0 else 2) == 2)
+
+verify(16 // (4 // 2) == 8, '16 // (4 // 2) == 8')
+verify((16 // 4) // 2 == 2, '(16 // 4) // 2 == 2')
+verify(16 // 4 // 2 == 2, '16 // 4 // 2 == 2')
+verify((False is (2 is 3)) == True, '(False is (2 is 3)) == True')
+verify(((False is 2) is 3) == False, '(((False is 2) is 3) == False')
+verify((False is 2 is 3) == False, '(False is 2 is 3) == False')