Fix mpl conceptual failure.

2015-01-22 17:50:18 +00:00
parent d834d7aeab
commit a685e20578
1 changed files with 1 additions and 0 deletions
--- a/include/boost/type_traits/integral_constant.hpp
+++ b/include/boost/type_traits/integral_constant.hpp
@ -67,6 +67,7 @@ namespace boost{
   template <bool val>
   struct integral_constant<bool, val>
   {
+      typedef mpl::integral_c_tag tag;
      typedef integral_constant<bool, val> type;
      static const bool value = val;