Index: boost/type_traits/intrinsics.hpp
===================================================================
--- boost/type_traits/intrinsics.hpp	(revision 74056)
+++ boost/type_traits/intrinsics.hpp	(working copy)
@@ -124,6 +124,69 @@
 #   define BOOST_HAS_TYPE_TRAITS_INTRINSICS
 #endif
 
+#if defined(BOOST_CLANG) && defined(__has_feature)
+#   include <boost/type_traits/is_same.hpp>
+#   include <boost/type_traits/is_reference.hpp>
+#   include <boost/type_traits/is_volatile.hpp>
+
+#   if __has_feature(is_union)
+#     define BOOST_IS_UNION(T) __is_union(T)
+#   endif
+// #   if __has_feature(is_pod)
+// #     define BOOST_IS_POD(T) __is_pod(T)
+// #   endif
+// #   if __has_feature(is_empty)
+// #     define BOOST_IS_EMPTY(T) __is_empty(T)
+// #   endif
+#   if __has_feature(has_trivial_constructor)
+#     define BOOST_HAS_TRIVIAL_CONSTRUCTOR(T) __has_trivial_constructor(T)
+#   endif
+#   if __has_feature(has_trivial_copy)
+#     define BOOST_HAS_TRIVIAL_COPY(T) (__has_trivial_copy(T) && !is_reference<T>::value && !is_volatile<T>::value)
+#   endif
+#   if __has_feature(has_trivial_assign)
+#     define BOOST_HAS_TRIVIAL_ASSIGN(T) (__has_trivial_assign(T) && !is_volatile<T>::value)
+#   endif
+#   if __has_feature(has_trivial_destructor)
+#     define BOOST_HAS_TRIVIAL_DESTRUCTOR(T) __has_trivial_destructor(T)
+#   endif
+#   if __has_feature(has_nothrow_constructor)
+#     define BOOST_HAS_NOTHROW_CONSTRUCTOR(T) __has_nothrow_constructor(T)
+#   endif
+#   if __has_feature(has_nothrow_copy)
+#     define BOOST_HAS_NOTHROW_COPY(T) (__has_nothrow_copy(T) && !is_volatile<T>::value && !is_reference<T>::value)
+#   endif
+#   if __has_feature(has_nothrow_assign)
+#     define BOOST_HAS_NOTHROW_ASSIGN(T) (__has_nothrow_assign(T) && !is_volatile<T>::value)
+#   endif
+#   if __has_feature(has_virtual_destructor)
+#     define BOOST_HAS_VIRTUAL_DESTRUCTOR(T) __has_virtual_destructor(T)
+#   endif
+
+#   if __has_feature(is_abstract)
+#     define BOOST_IS_ABSTRACT(T) __is_abstract(T)
+#   endif
+#   if __has_feature(is_base_of)
+#     define BOOST_IS_BASE_OF(T,U) (__is_base_of(T,U) && !is_same<T,U>::value)
+#   endif
+#   if __has_feature(is_class)
+#     define BOOST_IS_CLASS(T) __is_class(T)
+#   endif
+#   if __has_feature(is_convertible_to)
+#     include <boost/type_traits/is_abstract.hpp>
+#     define BOOST_IS_CONVERTIBLE(T,U) (__is_convertible_to(T,U) && !::boost::is_abstract<U>::value)
+#   endif
+#   if __has_feature(is_enum)
+#     define BOOST_IS_ENUM(T) __is_enum(T)
+#   endif
+#   if __has_feature(is_polymorphic)
+#     define BOOST_IS_POLYMORPHIC(T) __is_polymorphic(T)
+#   endif
+#   define BOOST_ALIGNMENT_OF(T) __alignof(T)
+
+#   define BOOST_HAS_TYPE_TRAITS_INTRINSICS
+#endif
+
 #if defined(__GNUC__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 3) && !defined(__GCCXML__)))
 #   include <boost/type_traits/is_same.hpp>
 #   include <boost/type_traits/is_reference.hpp>