commit 929dd817b3c6ebd8f2ab5d3b58af51acf292c590
author Mark Dickinson <mdickinson@enthought.com> Sun Jun 13 08:58:32 2021 +0100
committer GitHub <noreply@github.com> Sun Jun 13 08:58:32 2021 +0100
tree 2c0537c953b5434477b3a454cfd9d0c86219bbd3
parent d03f342a8389f1ea9100efb0d1a205601e607254

[3.10] Fix a potential reference-counting bug in long_pow (GH-26690) (GH-26703)

(cherry picked from commit 59242431991794064824cf2ab70886367613f29e)

Co-authored-by: Mark Dickinson <mdickinson@enthought.com>

Objects/longobject.c

diff --git a/Objects/longobject.c b/Objects/longobject.c
index e1c1191..685bd56 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -4185,6 +4185,7 @@ long_pow(PyObject *v, PyObject *w, PyObject *x)
                 goto Error;
             Py_DECREF(a);
             a = temp;
+            temp = NULL;
         }
 
         /* Reduce base by modulus in some cases: