From 5e6cd86f6eedea213fbeb5f1e7a5aa0ab303036a Mon Sep 17 00:00:00 2001
From: dearblue <dearblue@users.noreply.github.com>
Date: Fri, 7 Sep 2018 23:56:06 +0900
Subject: Fix to not define outer when outer is itself.

example:
  a = Class.new
  a::A = a
---
 src/class.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/class.c')

diff --git a/src/class.c b/src/class.c
index 22fe36fb3..96d32b4c5 100644
--- a/src/class.c
+++ b/src/class.c
@@ -65,7 +65,7 @@ mrb_class_name_class(mrb_state *mrb, struct RClass *outer, struct RClass *c, mrb
   else {
     name = mrb_class_path(mrb, outer);
     if (mrb_nil_p(name)) {      /* unnamed outer class */
-      if (outer != mrb->object_class) {
+      if (outer != mrb->object_class && outer != c) {
         mrb_obj_iv_set(mrb, (struct RObject*)c, mrb_intern_lit(mrb, "__outer__"),
                        mrb_obj_value(outer));
       }
-- 
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