From 44cf56d6e70dbe06a160b004494ba40dd4cfb426 Mon Sep 17 00:00:00 2001
From: matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 22 Jun 2000 08:29:58 +0000
Subject: 2000-06-22

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@775 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 array.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'array.c')

diff --git a/array.c b/array.c
index d8dc37195c..f2089996e5 100644
--- a/array.c
+++ b/array.c
@@ -680,9 +680,13 @@ static VALUE
 rb_ary_dup(ary)
     VALUE ary;
 {
+    VALUE klass = CLASS_OF(ary);
     VALUE dup;
 
-    dup = rb_ary_s_create(RARRAY(ary)->len, RARRAY(ary)->ptr, CLASS_OF(ary));
+    while (TYPE(klass) == T_ICLASS || FL_TEST(klass, FL_SINGLETON)) {
+	klass = (VALUE)RCLASS(klass)->super;
+    }
+    dup = rb_ary_s_create(RARRAY(ary)->len, RARRAY(ary)->ptr, klass);
     if (OBJ_TAINTED(ary)) OBJ_TAINT(dup);
     return dup;
 }
-- 
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