[Python-checkins] [3.12] gh-47146: Fix reference counting in _testcapi.structmember initializer (GH-106862) (GH-106953)

[serhiy-storchaka]

https://github.com/python/cpython/commit/4be0f157ea7000ded8d4a3ae818a74b026f1fed3
commit: 4be0f157ea7000ded8d4a3ae818a74b026f1fed3
branch: 3.12
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: serhiy-storchaka <storchaka at gmail.com>
date: 2023-07-21T14:48:50+03:00
summary:

[3.12] gh-47146: Fix reference counting in _testcapi.structmember initializer (GH-106862) (GH-106953)

(cherry picked from commit 8d397ee8259fa0f81598a452438fc335267ca260)

Co-authored-by: Serhiy Storchaka <storchaka at gmail.com>

files:
M Modules/_testcapi/structmember.c

diff --git a/Modules/_testcapi/structmember.c b/Modules/_testcapi/structmember.c
index 0fb872a4328d6..641b003e56d32 100644
--- a/Modules/_testcapi/structmember.c
+++ b/Modules/_testcapi/structmember.c
@@ -194,7 +194,7 @@ _PyTestCapi_Init_Structmember(PyObject *m)
     if (res < 0) {
         return -1;
     }
-    res = PyModule_AddObject(
+    res = PyModule_AddObjectRef(
         m,
         "_test_structmembersType_OldAPI",
         (PyObject *)&test_structmembersType_OldAPI);