From ca776b130d970c5cc372d5c01099ccf2a43254d3 Mon Sep 17 00:00:00 2001
From: Eric Snow <ericsnowcurrently@gmail.com>
Date: Mon, 20 Mar 2023 14:23:54 -0600
Subject: [PATCH] Make objects stored in global containers immortal.

---
 Python/pystate.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Python/pystate.c b/Python/pystate.c
index 394b12d24065f21..f82a51d1f6eee4c 100644
--- a/Python/pystate.c
+++ b/Python/pystate.c
@@ -677,7 +677,11 @@ _Py_AddToGlobalDict(PyObject *dict, PyObject *key, PyObject *value)
 
     release_global_objects_lock(runtime);
 
-    // XXX Immortalize the key and value.
+    /* Immortalize the key and value. */
+    _Py_SetImmortal(key);
+    if (value != key) {
+        _Py_SetImmortal(value);
+    }
 
     return actual;
 }