Index: iterator_facade.hpp
===================================================================
--- iterator_facade.hpp	(revision 68320)
+++ iterator_facade.hpp	(working copy)
@@ -20,6 +20,7 @@
 #include <boost/type_traits/is_same.hpp>
 #include <boost/type_traits/add_const.hpp>
 #include <boost/type_traits/add_pointer.hpp>
+#include <boost/type_traits/add_reference.hpp>
 #include <boost/type_traits/remove_const.hpp>
 #include <boost/type_traits/remove_reference.hpp>
 #include <boost/type_traits/is_convertible.hpp>
@@ -321,8 +322,16 @@
           , Pointer
           , operator_arrow_proxy<ValueType>
         >::type type;
+      
+        // Types with alignment cannot be passed by value, so
+        // we need to make sure that we supply a real reference.
+        typedef typename mpl::if_<
+           is_reference<Reference>
+         , Reference
+         , typename add_reference<Reference>::type
+       >::type input_type;
 
-        static type make(Reference x)
+        static type make(input_type x)
         {
             return boost::implicit_cast<type>(&x);
         }