Do not try to destroy the refchain if it is NULL.

ericsnowcurrently · ericsnowcurrently · commit 1360d86c3cb8 · 2024-10-22T14:43:01.000-06:00
diff --git a/Objects/object.c b/Objects/object.c
@@ -207,7 +207,7 @@ refchain_init(PyInterpreterState *interp)
 static void
 refchain_fini(PyInterpreterState *interp)
 {
-    if (has_own_refchain(interp)) {
+    if (has_own_refchain(interp) && REFCHAIN(interp) != NULL) {
         _Py_hashtable_destroy(REFCHAIN(interp));
     }
     REFCHAIN(interp) = NULL;

Original file line number	Diff line number	Diff line change
`@@ -207,7 +207,7 @@ refchain_init(PyInterpreterState *interp)`
`207`	`207`	`static void`
`208`	`208`	`refchain_fini(PyInterpreterState *interp)`
`209`	`209`	`{`
`210`		`- if (has_own_refchain(interp)) {`
	`210`	`+ if (has_own_refchain(interp) && REFCHAIN(interp) != NULL) {`
`211`	`211`	`_Py_hashtable_destroy(REFCHAIN(interp));`
`212`	`212`	`}`
`213`	`213`	`REFCHAIN(interp) = NULL;`