From 7df5d65eac86940619f87da7e70bc0911097ae2f Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 25 Dec 2024 22:21:37 +0900
Subject: [PATCH] [Bug #20981] Bring back `rb_undefine_finalizer`

---
 gc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gc.c b/gc.c
index 1ec159a2dafae1..68304d26c50e0d 100644
--- a/gc.c
+++ b/gc.c
@@ -1618,6 +1618,12 @@ os_each_obj(int argc, VALUE *argv, VALUE os)
 
 static VALUE
 undefine_final(VALUE os, VALUE obj)
+{
+    return rb_undefine_finalizer(obj);
+}
+
+VALUE
+rb_undefine_finalizer(VALUE obj)
 {
     rb_check_frozen(obj);