From 6429a4727e4bb8bcb0d3deefaefe195e63e6bb6e Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Tue, 28 Sep 2004 01:51:35 +0000
Subject: [PATCH] Use Py_CLEAR().  Add unrelated test.

---
 Lib/test/test_set.py | 3 +++
 Objects/setobject.c  | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/Lib/test/test_set.py b/Lib/test/test_set.py
index 01dded64d5e..aab0c5782c4 100644
--- a/Lib/test/test_set.py
+++ b/Lib/test/test_set.py
@@ -23,6 +23,9 @@ class TestJointOps(unittest.TestCase):
         self.s = self.thetype(word)
         self.d = dict.fromkeys(word)
 
+    def test_new_or_init(self):
+        self.assertRaises(TypeError, self.thetype, [], 2)
+
     def test_uniquification(self):
         actual = sorted(self.s)
         expected = sorted(self.d)
diff --git a/Objects/setobject.c b/Objects/setobject.c
index 289d5d3d964..d57217cba31 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -105,7 +105,7 @@ frozenset_dict_wrapper(PyObject *d)
 	w = (PySetObject *)make_new_set(&PyFrozenSet_Type, NULL);
 	if (w == NULL)
 		return NULL;
-	Py_DECREF(w->data);
+	Py_CLEAR(w->data);
 	Py_INCREF(d);
 	w->data = d;
 	return (PyObject *)w;