--- a/fusion/container/map/detail/map_impl.hpp	2013-09-15 10:27:58.000000000 +0400
+++ b/fusion/container/map/detail/map_impl.hpp	2014-04-29 17:36:30.489281395 +0400
@@ -73,7 +73,7 @@
         {}
 
         map_impl(map_impl&& rhs)
-          : rest_type(std::forward<rest_type>(*static_cast<rest_type*>(this)))
+          : rest_type(std::forward<rest_type>(rhs.get_base()))
           , element(std::forward<Pair>(rhs.element))
         {}