commit 5083dc552b4e7026c2f405b37d7691131bc96955
author Benjamin Peterson <benjamin@python.org> Sat Apr 25 00:41:22 2009 +0000
committer Benjamin Peterson <benjamin@python.org> Sat Apr 25 00:41:22 2009 +0000
tree a8ae47a8e0a88ae2a37add5c89a06d291490cc5e
parent 5c6af808f7721787dcce1bc6bfe14f225f9db6f3

fix a segfault when setting __class__ in __del__ #5283

Lib/test/test_descr.py

diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 05b4486..ae22af7 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -3003,6 +3003,16 @@
                     continue
                 cant(cls(), cls2)
 
+        # Issue5283: when __class__ changes in __del__, the wrong
+        # type gets DECREF'd.
+        class O(object):
+            pass
+        class A(object):
+            def __del__(self):
+                self.__class__ = O
+        l = [A() for x in range(100)]
+        del l
+
     def test_set_dict(self):
         # Testing __dict__ assignment...
         class C(object): pass