From fb103c1319321118c0157772a7ffdbfddfc6f6af Mon Sep 17 00:00:00 2001
From: KOBAYASHI Shuji <shuujii@gmail.com>
Date: Mon, 7 Oct 2019 20:57:04 +0900
Subject: Implement Ruby2.7's frozen strings from `Module#name`

---
 src/variable.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/variable.c')

diff --git a/src/variable.c b/src/variable.c
index 7d4470186..0d8b76863 100644
--- a/src/variable.c
+++ b/src/variable.c
@@ -1123,7 +1123,7 @@ mrb_class_find_path(mrb_state *mrb, struct RClass *c)
     iv_del(mrb, c->iv, mrb_intern_lit(mrb, "__outer__"), NULL);
     iv_put(mrb, c->iv, mrb_intern_lit(mrb, "__classname__"), path);
     mrb_field_write_barrier_value(mrb, (struct RBasic*)c, path);
-    path = mrb_str_dup(mrb, path);
+    MRB_SET_FROZEN_FLAG(mrb_obj_ptr(path));
   }
   return path;
 }
-- 
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