From 3efbea3fab1fedf1f6b783204fd226653e908f6e Mon Sep 17 00:00:00 2001
From: Yukihiro Matsumoto <matz@ruby-lang.org>
Date: Fri, 19 Oct 2012 21:44:58 +0900
Subject: wrong check of argument numbers

---
 mrblib/enum.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mrblib/enum.rb b/mrblib/enum.rb
index 29422716c..2774bc856 100644
--- a/mrblib/enum.rb
+++ b/mrblib/enum.rb
@@ -199,7 +199,7 @@ module Enumerable
   #
   # ISO 15.3.2.2.11
   def inject(*args, &block)
-    raise ArgumentError, "too many arguments" if args.size > 3
+    raise ArgumentError, "too many arguments" if args.size > 2
     if Symbol === args[-1]
       sym = args[-1]
       block = ->(x,y){x.send(sym,y)}
-- 
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