From 43572889b3ecd8442574da98988fa187eaa04169 Mon Sep 17 00:00:00 2001
From: k0kubun <k0kubun@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 26 May 2017 14:17:55 +0000
Subject: erb.rb: Tiny improvement of compiling cost

by reducing string allocation.

* Before

app_erb 0.687

* After

app_erb 0.679

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58908 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/erb.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/erb.rb')

diff --git a/lib/erb.rb b/lib/erb.rb
index 8cb68eedb9..dcd190fcbb 100644
--- a/lib/erb.rb
+++ b/lib/erb.rb
@@ -582,7 +582,7 @@ class ERB
     def content_dump(s) # :nodoc:
       n = s.count("\n")
       if n > 0
-        s.dump + "\n" * n
+        s.dump << "\n" * n
       else
         s.dump
       end
-- 
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