Override new on proxy objects so that they never wrap nil or false.

activesupport/lib/active_support/deprecation/proxy_wrappers.rb

@@ -3,6 +3,13 @@
 module ActiveSupport
   module Deprecation
     class DeprecationProxy #:nodoc:
+      def self.new(*args, &block)
+        object = args.first
+
+        return object unless object
+        super
+      end
+
       instance_methods.each { |m| undef_method m unless m =~ /^__|^object_id$/ }
 
       # Don't give a deprecation warning on inspect since test/unit and error