diff -u -r -p boost_1_39_0/boost/type_traits/is_virtual_base_of.hpp boost.throw/boost/type_traits/is_virtual_base_of.hpp
--- boost_1_39_0/boost/type_traits/is_virtual_base_of.hpp	2009-04-01 12:44:46.000000000 +0200
+++ boost.throw/boost/type_traits/is_virtual_base_of.hpp	2009-08-05 11:03:52.923840598 +0200
@@ -57,14 +57,14 @@ struct is_virtual_base_of_impl<Base, Der
        X();
        X(const X&);
        X& operator=(const X&);
-       ~X();
+       ~X() throw();
     };
     struct Y : Derived 
     {
        Y();
        Y(const Y&);
        Y& operator=(const Y&);
-       ~Y();
+       ~Y() throw();
     };
 #endif
     BOOST_STATIC_CONSTANT(bool, value = (sizeof(X)==sizeof(Y)));