Add test for SF #658106. Will backport.

diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index 1544eb37cb5b87bfd673a6e6272a1a0d51840620..9266162a16369acad074d00d2da578143d229099 100644 (file)
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -2404,6 +2404,10 @@ def setclass():
     cant(C(), object)
     cant(object(), list)
     cant(list(), object)
+    o = object()
+    cant(o, type(1))
+    cant(o, type(None))
+    del o
 
 def setdict():
     if verbose: print "Testing __dict__ assignment..."