find_by_*_with_cache.diff

diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 78b3507..9fb64b5 100644
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -961,9 +961,12 @@ module ActiveRecord #:nodoc:
             attribute_names = match.attribute_names
             super unless all_attributes_exists?(attribute_names)
             if match.finder?
-              options = arguments.extract_options!
-              relation = options.any? ? construct_finder_arel(options, current_scoped_methods) : scoped
-              relation.send :find_by_attributes, match, attribute_names, *arguments
+              self.class.send :define_method, method_id do |*args|
+                options = args.extract_options!
+                relation = options.any? ? construct_finder_arel(options, current_scoped_methods) : scoped
+                relation.send :find_by_attributes, match, attribute_names, *args
+              end
+              send(method_id, *arguments)
             elsif match.instantiator?
               scoped.send :find_or_instantiator_by_attributes, match, attribute_names, *arguments, &block
             end