Add the original test case of bug #1469629,
formatted according to local conventions.
diff --git a/Lib/test/leakers/test_dictself.py b/Lib/test/leakers/test_dictself.py
new file mode 100644
index 0000000..99bd37d
--- /dev/null
+++ b/Lib/test/leakers/test_dictself.py
@@ -0,0 +1,12 @@
+'''Test case for "self.__dict__ = self" circular reference bug (#1469629)'''
+
+import gc
+
+class LeakyDict(dict):
+ pass
+
+def leak():
+ ld = LeakyDict()
+ ld.__dict__ = ld
+ del ld
+ gc.collect(); gc.collect(); gc.collect()