From 47732dbd2ba2430c22d10663399a42447e98b240 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 4 Oct 2007 07:28:35 +0000
Subject: * parse.y (reg_compile_gen): copy encoding from source string if  
 non-empty.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@13615 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 parse.y | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'parse.y')

diff --git a/parse.y b/parse.y
index b81e37ee0f..3b4065ac06 100644
--- a/parse.y
+++ b/parse.y
@@ -8170,7 +8170,7 @@ reg_compile_gen(struct parser_params* parser, VALUE str, int options)
 	compile_error(PARSER_ARG "%s", RSTRING_PTR(re));
 	return Qnil;
     }
-    rb_enc_copy(re, str);
+    if (str) rb_enc_copy(re, str);
     return re;
 }
 
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