From 523ecd29b8acef4faa47331aaf1c6bf128b29ad6 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 14 Apr 2015 03:31:28 +0000
Subject: use frozen string of symbols

* range.c (range_step, range_each): String#upto should never
  modifies the receiver, use frozen strings to enumerate symbols.

* re.c (reg_operand): matching target is not modified.

* ext/socket/constants.c (constant_arg): str_to_int never modifies
  argument strings.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50306 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/socket/constants.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ext/socket')

diff --git a/ext/socket/constants.c b/ext/socket/constants.c
index bab27b23bb..6fc862777e 100644
--- a/ext/socket/constants.c
+++ b/ext/socket/constants.c
@@ -22,7 +22,7 @@ constant_arg(VALUE arg, int (*str_to_int)(const char*, long, int*), const char *
     int ret;
 
     if (SYMBOL_P(arg)) {
-        arg = rb_sym_to_s(arg);
+        arg = rb_sym2str(arg);
         goto str;
     }
     else if (!NIL_P(tmp = rb_check_string_type(arg))) {
-- 
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