From 96bcef947bf713b7d9fc88f26dff69f568111262 Mon Sep 17 00:00:00 2001
From: Santiago Pastorino <santiago@wyeworks.com>
Date: Fri, 2 Nov 2012 19:10:22 -0200
Subject: Clear url helpers when reloading routes

---
 actionpack/CHANGELOG.md                             | 4 ++++
 actionpack/lib/action_dispatch/routing/route_set.rb | 1 +
 2 files changed, 5 insertions(+)

diff --git a/actionpack/CHANGELOG.md b/actionpack/CHANGELOG.md
index 0ffae5086e..72121668ac 100644
--- a/actionpack/CHANGELOG.md
+++ b/actionpack/CHANGELOG.md
@@ -1,5 +1,9 @@
 ## Rails 4.0.0 (unreleased) ##
 
+*   Clear url helpers when reloading routes.
+
+    *Santiago Pastorino*
+
 *   `BestStandardsSupport` middleware now appends it's `X-UA-Compatible` value to app's
     returned value if any. Fix #8086
 
diff --git a/actionpack/lib/action_dispatch/routing/route_set.rb b/actionpack/lib/action_dispatch/routing/route_set.rb
index 61071d1228..0f95daa790 100644
--- a/actionpack/lib/action_dispatch/routing/route_set.rb
+++ b/actionpack/lib/action_dispatch/routing/route_set.rb
@@ -288,6 +288,7 @@ module ActionDispatch
 
       def clear!
         @finalized = false
+        @url_helpers = nil
         named_routes.clear
         set.clear
         formatter.clear
-- 
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