object_traits.hpp:

  - A type has to be a class and have a trivial default constructor to be
    stateless


[SVN r12562]

libs/type_traits

@@ -1 +1 @@
-Subproject commit 226abdf852ce946ef4f68d75b5ac264ab5be8780
+Subproject commit 964ec6c6429c600ffa4f5432568993398ed7e439