From e323cd0c6ebdeeb42c267a5fe28cec87ae2f00a0 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Mon, 24 May 2021 07:05:57 +0900
Subject: class.c: add write barrier for aliases.

---
 src/class.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/class.c b/src/class.c
index cd4e160ac..046e99f26 100644
--- a/src/class.c
+++ b/src/class.c
@@ -2216,6 +2216,7 @@ mrb_alias_method(mrb_state *mrb, struct RClass *c, mrb_sym a, mrb_sym b)
       }
       p->e.env = e;
       p->flags |= MRB_PROC_ENVSET;
+      mrb_field_write_barrier(mrb, (struct RBasic*)p, (struct RBasic*)e);
     }
   }
   mrb_define_method_raw(mrb, c, a, m);
-- 
cgit v1.2.3