Extend work on rev 52962 and 53829 eliminating redundant PyObject_Hash() calls and fixing set/dict interoperability.
diff --git a/Lib/test/test_set.py b/Lib/test/test_set.py
index 28924d4..e6e0ba6 100644
--- a/Lib/test/test_set.py
+++ b/Lib/test/test_set.py
@@ -288,6 +288,10 @@
self.assertEqual(sum(elem.hash_count for elem in d), n)
if hasattr(s, 'symmetric_difference_update'):
s.symmetric_difference_update(d)
+ self.assertEqual(sum(elem.hash_count for elem in d), n)
+ d2 = dict.fromkeys(set(d))
+ self.assertEqual(sum(elem.hash_count for elem in d), n)
+ d3 = dict.fromkeys(frozenset(d))
self.assertEqual(sum(elem.hash_count for elem in d), n)
class TestSet(TestJointOps):