Add stripped-down test for lambda star bug

test/simple_source/bug33/04_lambda_star_default.py

@@ -0,0 +1,17 @@
+# From 3.x test_audiop.py
+
+# Bug is handling default value after * argument in a lambda.
+# That's a mouthful of desciption; I am not sure if the really
+# hacky fix to the code is even correct.
+#
+# FIXME: try and test with more than one default argument.
+
+# RUNNABLE
+def pack(width, data):
+    return (width, data)
+
+packs = {w: (lambda *data, width=w: pack(width, data)) for w in (1, 2, 4)}
+
+assert packs[1]('a') == (1, ('a',))
+assert packs[2]('b') == (2, ('b',))
+assert packs[4]('b') == (4, ('c',))