Clear `__classname__` of duped class/module; ref #4027

Clear `classname` of duped class/module; ref #4027
1dddc2f7 · Yukihiro "Matz" Matsumoto · 14c21793 · 1dddc2f7
Commit 1dddc2f7 authored May 30, 2018 by Yukihiro "Matz" Matsumoto
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src/kernel.c src/kernel.c +3 -1

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--- a/src/kernel.c
+++ b/src/kernel.c
@@ -282,7 +282,9 @@ init_copy(mrb_state *mrb, mrb_value dest, mrb_value obj)
    case MRB_TT_CLASS:
    case MRB_TT_MODULE:
      copy_class(mrb, dest, obj);
-      /* fall through */
+      mrb_iv_copy(mrb, dest, obj);
+      mrb_iv_remove(mrb, dest, mrb_intern_lit(mrb, "__classname__"));
+      break;
    case MRB_TT_OBJECT:
    case MRB_TT_SCLASS:
    case MRB_TT_HASH: