From 90c3c8e6082ac02ace28abc81234d5d2487112b7 Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Fri, 12 Mar 2010 16:57:29 +0000
Subject: [PATCH] Fixes #4000.

[SVN r60525]
---
 include/boost/type_traits/is_empty.hpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/boost/type_traits/is_empty.hpp b/include/boost/type_traits/is_empty.hpp
index c8eb791..45c4e9e 100644
--- a/include/boost/type_traits/is_empty.hpp
+++ b/include/boost/type_traits/is_empty.hpp
@@ -36,6 +36,12 @@ namespace boost {
 namespace detail {
 
 #ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+#ifdef BOOST_MSVC
+#pragma warning(push)
+#pragma warning(disable:4624) // destructor could not be generated
+#endif
+
 template <typename T>
 struct empty_helper_t1 : public T
 {
@@ -47,6 +53,10 @@ private:
    empty_helper_t1& operator=(const empty_helper_t1&);
 };
 
+#ifdef BOOST_MSVC
+#pragma warning(pop)
+#endif
+
 struct empty_helper_t2 { int i[256]; };
 
 #if !BOOST_WORKAROUND(__BORLANDC__, < 0x600)