From 5872a58026fdf2e031b9ee8619c27db9246f79f0 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 31 May 2007 08:26:31 +0000
Subject: [PATCH] * lib/benchmark.rb (Benchmark::Job::item): avoid modifying
 the   argument unintentionally.  [ruby-talk:253676]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@12418 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog        | 5 +++++
 lib/benchmark.rb | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index aed3822e5d..b662523861 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu May 31 17:27:53 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/benchmark.rb (Benchmark::Job::item): avoid modifying the
+	  argument unintentionally.  [ruby-talk:253676]
+
 Thu May 31 02:12:32 2007  Masatoshi SEKI  <m_seki@mva.biglobe.ne.jp>
 
 	* lib/rinda/tuplespace.rb (Rinda::TupleBag): create index on tuple bag
diff --git a/lib/benchmark.rb b/lib/benchmark.rb
index 36e593518f..c7c3935131 100644
--- a/lib/benchmark.rb
+++ b/lib/benchmark.rb
@@ -331,7 +331,7 @@ module Benchmark
     #
     def item(label = "", &blk) # :yield:
       raise ArgmentError, "no block" unless block_given?
-      label.concat ' '
+      label += ' '
       w = label.length
       @width = w if @width < w
       @list.push [label, blk]