Issue #26494: Fixed crash on iterating exhausting iterators.

Affected classes are generic sequence iterators, iterators of bytearray,
list, tuple, set, frozenset, dict, OrderedDict and corresponding views.

1 files changed, 1 insertions, 1 deletions

diff --git a/Objects/iterobject.c b/Objects/iterobject.c
index 9c90abe..346d2d9 100644
--- a/Objects/iterobject.c
+++ b/Objects/iterobject.c
@@ -69,8 +69,8 @@ iter_iternext(PyObject *iterator)
         PyErr_ExceptionMatches(PyExc_StopIteration))
     {
         PyErr_Clear();
-        Py_DECREF(seq);
         it->it_seq = NULL;
+        Py_DECREF(seq);
     }
     return NULL;
 }