From 8a18d1539baea29eb794e858be69913075ada869 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Wed, 1 Aug 2018 10:08:40 +0900
Subject: Should update `ci->env` to share the environment; fix #4073

---
 mrbgems/mruby-eval/src/eval.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mrbgems/mruby-eval/src/eval.c b/mrbgems/mruby-eval/src/eval.c
index 42a4183b7..f1e50e83d 100644
--- a/mrbgems/mruby-eval/src/eval.c
+++ b/mrbgems/mruby-eval/src/eval.c
@@ -292,6 +292,7 @@ create_proc_from_string(mrb_state *mrb, char *s, mrb_int len, mrb_value binding,
       if (ci->argc < 0) bidx = 2;
       else bidx += 1;
       MRB_ENV_SET_BIDX(e, bidx);
+      ci->env = e;
     }
     proc->e.env = e;
     proc->flags |= MRB_PROC_ENVSET;
-- 
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