Index: libs/serialization/src/void_cast.cpp
===================================================================
--- libs/serialization/src/void_cast.cpp	(revision 51891)
+++ libs/serialization/src/void_cast.cpp	(working copy)
@@ -76,9 +76,10 @@
         extended_type_info const * derived,
         extended_type_info const * base,
         std::ptrdiff_t difference,
-        bool m_includes_virtual_base
+        bool includes_virtual_base
     ) :
-        void_caster(derived, base, difference)
+        void_caster(derived, base, difference),
+        m_includes_virtual_base(includes_virtual_base)
     {
         recursive_register(m_includes_virtual_base);
     }