we only care about methods that the request object responds to

matches? should only deal with methods on the request object, so lets
just filter out anything that the request object doesn't respond to

actionpack/lib/action_dispatch/routing/route_set.rb

@@ -564,8 +564,7 @@ module ActionDispatch
         end
 
         conditions.keep_if do |k, _|
-          k == :action || k == :controller ||
-            request_class.public_method_defined?(k) || path_values.include?(k)
+          request_class.public_method_defined?(k)
         end
       end
       private :build_conditions