From fc043a2e61fac23159a92f581bf9f0dbf8e843f7 Mon Sep 17 00:00:00 2001
From: Peter Zhu <peter@peterzhu.ca>
Date: Mon, 23 Sep 2024 14:58:55 -0400
Subject: [PATCH] Remove write barrier for non-Ruby object

enumerator's meth attribute is an ID, which is not a Ruby object, so we
should not apply the write barrier on it.
---
 enumerator.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/enumerator.c b/enumerator.c
index 8fa7bb8a36..faaa77cb49 100644
--- a/enumerator.c
+++ b/enumerator.c
@@ -506,7 +506,7 @@ enumerator_init_copy(VALUE obj, VALUE orig)
     }
 
     RB_OBJ_WRITE(obj, &ptr1->obj, ptr0->obj);
-    RB_OBJ_WRITE(obj, &ptr1->meth, ptr0->meth);
+    ptr1->meth = ptr0->meth;
     RB_OBJ_WRITE(obj, &ptr1->args, ptr0->args);
     ptr1->fib  = 0;
     ptr1->lookahead  = Qundef;