From a320eeff00f42b7956735ff746db0c46479191f2 Mon Sep 17 00:00:00 2001
From: Luke Gruber <luke.gruber@shopify.com>
Date: Thu, 1 Oct 2026 13:56:03 -0400
Subject: [PATCH] Remove redundant check in rgengc_check_relation

WB-unprotected objects are always young. This invariant is maintained throughout the code base.
When WB-unprotecting an object, the object gets de-aged.
---
 gc/default/default.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gc/default/default.c b/gc/default/default.c
index c4a5fde32c5..468e5fe2a05 100644
--- a/gc/default/default.c
+++ b/gc/default/default.c
@@ -6234,7 +6234,7 @@ static void
 rgengc_check_relation(rb_objspace_t *objspace, VALUE obj)
 {
     if (objspace->rgengc.parent_object_old_p) {
-        if (RVALUE_WB_UNPROTECTED(objspace, obj) || !RVALUE_OLD_P(objspace, obj)) {
+        if (!RVALUE_OLD_P(objspace, obj)) {
             rgengc_remember(objspace, objspace->rgengc.parent_object);
             /* It is in the rememberset now, so its remaining children have nothing left
              * to ask for: stop testing them. */