Index: integral_promotion.hpp
===================================================================
RCS file: /cvsroot/boost/boost/boost/type_traits/integral_promotion.hpp,v
retrieving revision 1.1
diff -b -d -u -b -u -r1.1 integral_promotion.hpp
--- integral_promotion.hpp	16 Apr 2006 00:22:36 -0000	1.1
+++ integral_promotion.hpp	25 May 2006 02:50:39 -0000
@@ -23,7 +23,8 @@
 namespace type_traits { namespace detail {
 
 // 4.5/2
-BOOST_TT_AUX_BOOL_TRAIT_DEF1(need_promotion, T, boost::is_enum<T>::value)
+template <class T>
+struct need_promotion : boost::is_enum<T> {};
 
 // 4.5/1
 BOOST_TT_AUX_BOOL_TRAIT_CV_SPEC1(need_promotion, char              , true)