From 4902ef7d591fb01f6c9f70ec194e147c47935541 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 8 Jul 2011 07:40:41 +0000
Subject: * ext/json/parser/parser.rl (convert_encoding): should not modify  
 the argument.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32458 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/json/parser/parser.rl | 1 +
 1 file changed, 1 insertion(+)

(limited to 'ext/json/parser/parser.rl')

diff --git a/ext/json/parser/parser.rl b/ext/json/parser/parser.rl
index abd056f18c..07319a8fd7 100644
--- a/ext/json/parser/parser.rl
+++ b/ext/json/parser/parser.rl
@@ -549,6 +549,7 @@ static VALUE convert_encoding(VALUE source)
             } else if (len >= 4 && ptr[1] == 0 && ptr[3] == 0) {
                 source = rb_funcall(source, i_encode, 2, CEncoding_UTF_8, CEncoding_UTF_16LE);
             } else {
+                source = rb_str_dup(source);
                 FORCE_UTF8(source);
             }
         } else {
-- 
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