commit d17427b7bd69644bbbd3ccb97dcb920ac50197a6
author Serhiy Storchaka <storchaka@gmail.com> Tue Oct 20 18:21:48 2015 +0300
committer Serhiy Storchaka <storchaka@gmail.com> Tue Oct 20 18:21:48 2015 +0300
tree 79865c36992c157ffaa8a6022592f971f38ff58d
parent ae94062ae9f3dcfa6933360482dc8c5839c0cf98

Issue #25410: Fixed a memory leak in OrderedDict in the case when key's hash
calculation fails.

Objects/odictobject.c

diff --git a/Objects/odictobject.c b/Objects/odictobject.c
index 0044b32..a028884 100644
--- a/Objects/odictobject.c
+++ b/Objects/odictobject.c
@@ -648,11 +648,11 @@
     Py_ssize_t i;
     _ODictNode *node;
 
-    Py_INCREF(key);
     hash = PyObject_Hash(key);
     if (hash == -1)
         return -1;
 
+    Py_INCREF(key);
     i = _odict_get_index(od, key);
     if (i < 0) {
         if (!PyErr_Occurred())