From 86aa98fed4de1be2e868877fd786d3616d6c6ad5 Mon Sep 17 00:00:00 2001
From: charliesome <charliesome@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 1 Feb 2013 14:05:49 +0000
Subject: * array.c (rb_ary_dup): make returned array the same class as the
 original   array [Bug #7768] [ruby-core:51792] * test/ruby/test_array.rb
 (class TestArray): add test

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39004 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 array.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'array.c')

diff --git a/array.c b/array.c
index a7c74a2aa4..b4216ac1d0 100644
--- a/array.c
+++ b/array.c
@@ -1778,7 +1778,8 @@ rb_ary_empty_p(VALUE ary)
 VALUE
 rb_ary_dup(VALUE ary)
 {
-    VALUE dup = rb_ary_new2(RARRAY_LEN(ary));
+    VALUE ary_class = rb_obj_class(ary);
+    VALUE dup = ary_new(ary_class ? ary_class : rb_cArray, RARRAY_LEN(ary));
     MEMCPY(RARRAY_PTR(dup), RARRAY_PTR(ary), VALUE, RARRAY_LEN(ary));
     ARY_SET_LEN(dup, RARRAY_LEN(ary));
     return dup;
-- 
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