From fbb1c5ee068d209e33f6e15ecb4821d5d8b107fa Mon Sep 17 00:00:00 2001
From: Serhiy Storchaka <storchaka@gmail.com>
Date: Wed, 30 Mar 2016 20:40:02 +0300
Subject: Issue #26494: Fixed crash on iterating exhausting iterators.

Affected classes are generic sequence iterators, iterators of str, bytes,
bytearray, list, tuple, set, frozenset, dict, OrderedDict, corresponding
views and os.scandir() iterator.
---
 Objects/tupleobject.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Objects/tupleobject.c')

diff --git a/Objects/tupleobject.c b/Objects/tupleobject.c
index 7efa1a6776..7920fec2bd 100644
--- a/Objects/tupleobject.c
+++ b/Objects/tupleobject.c
@@ -964,8 +964,8 @@ tupleiter_next(tupleiterobject *it)
         return item;
     }
 
-    Py_DECREF(seq);
     it->it_seq = NULL;
+    Py_DECREF(seq);
     return NULL;
 }
 
-- 
cgit v1.2.1