From 786ed10d59372433aefdf5451f081ba7aa2964be Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Fri, 4 Apr 2014 10:55:48 +0900
Subject: call to_hash before replacing hash

---
 mrblib/hash.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mrblib/hash.rb b/mrblib/hash.rb
index 978fb367b..539efcdf3 100644
--- a/mrblib/hash.rb
+++ b/mrblib/hash.rb
@@ -156,6 +156,7 @@ class Hash
   # ISO 15.2.13.4.23
   def replace(hash)
     self.clear
+    hash = hash.to_hash
     hash.each_key{|k|
       self[k] = hash[k]
     }
-- 
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