From 12815e0d44faf1154bebe5703577ff56c13688bc Mon Sep 17 00:00:00 2001
From: Carlos Antonio da Silva <carlosantoniodasilva@gmail.com>
Date: Fri, 15 Nov 2013 00:24:40 -0200
Subject: Avoid a new hash allocation

---
 activemodel/lib/active_model/validations/numericality.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/activemodel/lib/active_model/validations/numericality.rb b/activemodel/lib/active_model/validations/numericality.rb
index 0f131de923..5acd4477ff 100644
--- a/activemodel/lib/active_model/validations/numericality.rb
+++ b/activemodel/lib/active_model/validations/numericality.rb
@@ -48,7 +48,7 @@ module ActiveModel
             option_value = record.send(option_value) if option_value.is_a?(Symbol)
 
             unless value.send(CHECKS[option], option_value)
-              record.errors.add(attr_name, option, filtered_options(value).merge(count: option_value))
+              record.errors.add(attr_name, option, filtered_options(value).merge!(count: option_value))
             end
           end
         end
-- 
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