From 36d66786905b3cc2dda6c48345a89bbd760fcb82 Mon Sep 17 00:00:00 2001
From: Aaron Patterson <aaron.patterson@gmail.com>
Date: Tue, 18 Jan 2011 14:55:20 -0800
Subject: removing usesless variable assignments

---
 activesupport/lib/active_support/callbacks.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'activesupport')

diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb
index 32ebea8571..843c688ca9 100644
--- a/activesupport/lib/active_support/callbacks.rb
+++ b/activesupport/lib/active_support/callbacks.rb
@@ -185,7 +185,11 @@ module ActiveSupport
           # end
           filter = <<-RUBY_EVAL
             unless halted
-              result = #{@filter}
+              # This double assignment is to prevent warnings in 1.9.3.  I would
+              # remove the `result` variable, but apparently some other
+              # generated code is depending on this variable being set sometimes
+              # and sometimes not.
+              result = result = #{@filter}
               halted = (#{chain.config[:terminator]})
             end
           RUBY_EVAL
-- 
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