From 97932e4c4f3eeab12889fe45c935e2e6b91ac390 Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Mon, 26 Sep 2016 23:01:23 +0300
Subject: [PATCH] issue #28144: Decrease empty_keys_struct's dk_refcnt since
 there is no dummy_struct any more. Patch by Xiang Zhang.

---
 Objects/dictobject.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index 36ea8f1a5a..fe19445a02 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -419,7 +419,7 @@ dk_set_index(PyDictKeysObject *keys, Py_ssize_t i, Py_ssize_t ix)
  * (which cannot fail and thus can do no allocation).
  */
 static PyDictKeysObject empty_keys_struct = {
-        2, /* dk_refcnt 1 for this struct, 1 for dummy_struct */
+        1, /* dk_refcnt */
         1, /* dk_size */
         lookdict_split, /* dk_lookup */
         0, /* dk_usable (immutable) */
-- 
2.50.1