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diff --git a/src/third_party/boost-1.69.0/boost/type_traits/has_nothrow_destructor.hpp b/src/third_party/boost-1.69.0/boost/type_traits/has_nothrow_destructor.hpp
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+++ b/src/third_party/boost-1.69.0/boost/type_traits/has_nothrow_destructor.hpp
@@ -0,0 +1,56 @@
+
+//  (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
+//  Use, modification and distribution are subject to the Boost Software License,
+//  Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt).
+//
+//  See http://www.boost.org/libs/type_traits for most recent version including documentation.
+
+#ifndef BOOST_TT_HAS_NOTHROW_DESTRUCTOR_HPP_INCLUDED
+#define BOOST_TT_HAS_NOTHROW_DESTRUCTOR_HPP_INCLUDED
+
+#include <boost/type_traits/has_trivial_destructor.hpp>
+
+#if !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(__SUNPRO_CC) && !(defined(BOOST_MSVC) && (_MSC_FULL_VER < 190023506))
+
+#include <boost/type_traits/declval.hpp>
+#include <boost/type_traits/is_destructible.hpp>
+#include <boost/type_traits/is_complete.hpp>
+#include <boost/static_assert.hpp>
+
+namespace boost{
+
+   namespace detail{
+
+      template <class T, bool b>
+      struct has_nothrow_destructor_imp : public boost::integral_constant<bool, false>{};
+      template <class T>
+      struct has_nothrow_destructor_imp<T, true> : public boost::integral_constant<bool, noexcept(boost::declval<T*&>()->~T())>{};
+
+   }
+
+   template <class T> struct has_nothrow_destructor : public detail::has_nothrow_destructor_imp<T, boost::is_destructible<T>::value>
+   {
+      BOOST_STATIC_ASSERT_MSG(boost::is_complete<T>::value, "Arguments to has_nothrow_destructor must be complete types");
+   };
+   template <class T, std::size_t N> struct has_nothrow_destructor<T[N]> : public has_nothrow_destructor<T>
+   {
+      BOOST_STATIC_ASSERT_MSG(boost::is_complete<T>::value, "Arguments to has_nothrow_destructor must be complete types");
+   };
+   template <class T> struct has_nothrow_destructor<T&> : public integral_constant<bool, false>{};
+#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) 
+   template <class T> struct has_nothrow_destructor<T&&> : public integral_constant<bool, false>{};
+#endif
+   template <> struct has_nothrow_destructor<void> : public false_type {};
+}
+#else
+
+namespace boost {
+
+template <class T> struct has_nothrow_destructor : public ::boost::has_trivial_destructor<T> {};
+
+} // namespace boost
+
+#endif
+
+#endif // BOOST_TT_HAS_NOTHROW_DESTRUCTOR_HPP_INCLUDED