diff --git a/include/boost/type_traits/has_nothrow_copy.hpp b/include/boost/type_traits/has_nothrow_copy.hpp
index 8b92e43..0d9bb18 100644
--- a/include/boost/type_traits/has_nothrow_copy.hpp
+++ b/include/boost/type_traits/has_nothrow_copy.hpp
@@ -25,6 +25,10 @@
 #elif defined(BOOST_MSVC) || defined(BOOST_INTEL)
 #include <boost/type_traits/has_trivial_copy.hpp>
 #include <boost/type_traits/is_array.hpp>
+#ifdef BOOST_INTEL
+#include <boost/type_traits/add_lvalue_reference.hpp>
+#include <boost/type_traits/add_const.hpp>
+#endif
 #endif
 
 namespace boost {
diff --git a/include/boost/type_traits/has_trivial_copy.hpp b/include/boost/type_traits/has_trivial_copy.hpp
index 26819b9..9d3265d 100644
--- a/include/boost/type_traits/has_trivial_copy.hpp
+++ b/include/boost/type_traits/has_trivial_copy.hpp
@@ -20,6 +20,11 @@
 #define BOOST_TT_TRIVIAL_CONSTRUCT_FIX
 #endif
 
+#ifdef BOOST_INTEL
+#include <boost/type_traits/add_const.hpp>
+#include <boost/type_traits/add_lvalue_reference.hpp>
+#endif
+
 namespace boost {
 
 template <typename T> struct has_trivial_copy 
diff --git a/include/boost/type_traits/intrinsics.hpp b/include/boost/type_traits/intrinsics.hpp
index 14a3ee8..e2246be 100644
--- a/include/boost/type_traits/intrinsics.hpp
+++ b/include/boost/type_traits/intrinsics.hpp
@@ -10,6 +10,8 @@
 
 #ifndef BOOST_TT_DISABLE_INTRINSICS
 
+#include <boost/config.hpp>
+
 #ifndef BOOST_TT_CONFIG_HPP_INCLUDED
 #include <boost/type_traits/detail/config.hpp>
 #endif
@@ -99,11 +101,16 @@
 #   define BOOST_IS_POD(T) (__is_pod(T) && __has_trivial_constructor(T))
 #   define BOOST_IS_EMPTY(T) __is_empty(T)
 #   define BOOST_HAS_TRIVIAL_CONSTRUCTOR(T) __has_trivial_constructor(T)
-#   define BOOST_HAS_TRIVIAL_COPY(T) (__has_trivial_copy(T) || ::boost::is_pod<T>::value)
 #   define BOOST_HAS_TRIVIAL_ASSIGN(T) (__has_trivial_assign(T) || ( ::boost::is_pod<T>::value && ! ::boost::is_const<T>::value && !::boost::is_volatile<T>::value))
 #   define BOOST_HAS_TRIVIAL_DESTRUCTOR(T) (__has_trivial_destructor(T) || ::boost::is_pod<T>::value)
 #   define BOOST_HAS_NOTHROW_CONSTRUCTOR(T) (__has_nothrow_constructor(T) || ::boost::has_trivial_constructor<T>::value)
+#if !defined(BOOST_INTEL)
 #   define BOOST_HAS_NOTHROW_COPY(T) ((__has_nothrow_copy(T) || ::boost::has_trivial_copy<T>::value) && !is_array<T>::value)
+#   define BOOST_HAS_TRIVIAL_COPY(T) (__has_trivial_copy(T) || ::boost::is_pod<T>::value)
+#elif (_MSC_VER >= 1900)
+#   define BOOST_HAS_NOTHROW_COPY(T) ((__is_nothrow_constructible(T, typename add_lvalue_reference<typename add_const<T>::type>::type)) && !is_array<T>::value)
+#   define BOOST_HAS_TRIVIAL_COPY(T) (__is_trivially_constructible(T, typename add_lvalue_reference<typename add_const<T>::type>::type))
+#endif
 #   define BOOST_HAS_NOTHROW_ASSIGN(T) (__has_nothrow_assign(T) || ::boost::has_trivial_assign<T>::value)
 #   define BOOST_HAS_VIRTUAL_DESTRUCTOR(T) __has_virtual_destructor(T)
 
diff --git a/include/boost/type_traits/type_with_alignment.hpp b/include/boost/type_traits/type_with_alignment.hpp
index bfd5476..ffa054a 100644
--- a/include/boost/type_traits/type_with_alignment.hpp
+++ b/include/boost/type_traits/type_with_alignment.hpp
@@ -84,7 +84,7 @@ struct type_with_alignment
    typedef typename boost::detail::char_alignment<Align, boost::alignment_of<char>::value >= Align>::type type;
 };
 
-#if (defined(__GNUC__) || (defined (__SUNPRO_CC) &&  (__SUNPRO_CC >= 0x5130))) && !defined(BOOST_TT_DISABLE_INTRINSICS)
+#if (defined(__GNUC__) || (defined (__SUNPRO_CC) &&  (__SUNPRO_CC >= 0x5130)) || defined(__clang__)) && !defined(BOOST_TT_DISABLE_INTRINSICS)
 namespace tt_align_ns {
 struct __attribute__((__aligned__(2))) a2 {};
 struct __attribute__((__aligned__(4))) a4 {};