Ensure routing optimizations are cleared when new routes are added [#981 state:resolved]

Signed-off-by: Joshua Peek <josh@joshpeek.com>

2 files changed, 11 insertions, 2 deletions

diff --git a/actionpack/lib/action_controller/routing/recognition_optimisation.rb b/actionpack/lib/action_controller/routing/recognition_optimisation.rb
index 6d54d0334c..306219a431 100644
--- a/actionpack/lib/action_controller/routing/recognition_optimisation.rb
+++ b/actionpack/lib/action_controller/routing/recognition_optimisation.rb
@@ -147,6 +147,15 @@ module ActionController
             end
           }, __FILE__, __LINE__
         end
+
+        def clear_recognize_optimized!
+          instance_eval %{
+            def recognize_optimized(path, environment)
+              write_recognize_optimized!
+              recognize_optimized(path, environment)
+            end
+          }, __FILE__, __LINE__
+        end
     end
   end
 end
diff --git a/actionpack/lib/action_controller/routing/route_set.rb b/actionpack/lib/action_controller/routing/route_set.rb
index 9d48f289db..ff448490e9 100644
--- a/actionpack/lib/action_controller/routing/route_set.rb
+++ b/actionpack/lib/action_controller/routing/route_set.rb
@@ -195,7 +195,7 @@ module ActionController
         self.routes = []
         self.named_routes = NamedRouteCollection.new
 
-        write_recognize_optimized!
+        clear_recognize_optimized!
       end
 
       # Subclasses and plugins may override this method to specify a different
@@ -217,7 +217,7 @@ module ActionController
         @routes_by_controller = nil
         # This will force routing/recognition_optimization.rb
         # to refresh optimisations.
-        @compiled_recognize_optimized = nil
+        clear_recognize_optimized!
       end
 
       def install_helpers(destinations = [ActionController::Base, ActionView::Base], regenerate_code = false)