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Anonymous committed f889f65

Test and fix fromkeys optional argument.

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Files changed (2)

Lib/test/test_set.py

         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)
+        d3 = dict.fromkeys(frozenset(d), 123)
+        self.assertEqual(sum(elem.hash_count for elem in d), n)
+        self.assertEqual(d3, dict.fromkeys(d, 123))
 
 class TestSet(TestJointOps):
     thetype = set

Objects/dictobject.c

 
 		while (_PySet_NextEntry(seq, &pos, &key, &hash)) {
 			Py_INCREF(key);
-			Py_INCREF(Py_None);
-			if (insertdict(mp, key, hash, Py_None))
+			Py_INCREF(value);
+			if (insertdict(mp, key, hash, value))
 				return NULL;
 		}
 		return d;