nobu	2016-02-04 15:44:55 +0900 (Thu, 04 Feb 2016)

  New Revision: 53737

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=53737

  Log:
    return shared string
    
    * re.c (rb_reg_source): return shared string without copying.

  Modified files:
    trunk/re.c
Index: re.c
===================================================================
--- re.c	(revision 53736)
+++ re.c	(revision 53737)
@@ -500,7 +500,7 @@ rb_reg_source(VALUE re) https://github.com/ruby/ruby/blob/trunk/re.c#L500
     VALUE str;
 
     rb_reg_check(re);
-    str = rb_enc_str_new(RREGEXP_SRC_PTR(re),RREGEXP_SRC_LEN(re), rb_enc_get(re));
+    str = rb_str_dup(RREGEXP_SRC(re));
     if (OBJ_TAINTED(re)) OBJ_TAINT(str);
     return str;
 }

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