From 5cade88ac1cf9241a8052c68646beac08aaa718e Mon Sep 17 00:00:00 2001
From: Christian Heimes <christian@python.org>
Date: Thu, 13 Oct 2016 21:10:31 +0200
Subject: Check return value of _PyDict_SetItemId()

---
 Objects/typeobject.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index 1960c1a..1021a75 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -2848,13 +2848,16 @@ PyType_FromSpecWithBases(PyType_Spec *spec, PyObject *bases)
     /* Set type.__module__ */
     s = strrchr(spec->name, '.');
     if (s != NULL) {
+        int err;
         modname = PyUnicode_FromStringAndSize(
                 spec->name, (Py_ssize_t)(s - spec->name));
         if (modname == NULL) {
             goto fail;
         }
-        _PyDict_SetItemId(type->tp_dict, &PyId___module__, modname);
+        err = _PyDict_SetItemId(type->tp_dict, &PyId___module__, modname);
         Py_DECREF(modname);
+        if (err != 0)
+            goto fail;
     } else {
         if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
                 "builtin type %.200s has no __module__ attribute",
-- 
cgit v0.12