From 0349d29c672a2a25bacffb207d3defc80103afdf Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Mon, 31 Jan 2005 13:50:40 +0000
Subject: [PATCH] Mode aligned_storage<>::type report true to is_pod.

[SVN r26960]
---
 include/boost/type_traits/aligned_storage.hpp | 38 +++++++++++++++----
 1 file changed, 30 insertions(+), 8 deletions(-)

diff --git a/include/boost/type_traits/aligned_storage.hpp b/include/boost/type_traits/aligned_storage.hpp
index 9de4a70..4bcca20 100755
--- a/include/boost/type_traits/aligned_storage.hpp
+++ b/include/boost/type_traits/aligned_storage.hpp
@@ -10,23 +10,45 @@
 #define BOOST_TT_ALIGNED_STORAGE_HPP_INCLUDED
 
 #include "boost/type_traits/type_with_alignment.hpp"
+#include <boost/type_traits/is_pod.hpp>
+
+// should be the last #include
+#include "boost/type_traits/detail/bool_trait_def.hpp"
 
 namespace boost {
 
+namespace detail{
+
+template <class T, std::size_t N>
+struct storage
+{
+   union
+   {
+      char m_buf[N];
+      T m_align;
+   };
+};
+
+}
+
+#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+template <class T, std::size_t K>
+struct is_pod<boost::detail::storage<T,K> >
+   BOOST_TT_AUX_BOOL_C_BASE(true)
+{ 
+    BOOST_TT_AUX_BOOL_TRAIT_VALUE_DECL(true)
+}; 
+#endif
+
 template <std::size_t Len, std::size_t Align>
 struct aligned_storage
 {
-   typedef typename type_with_alignment<Align>::type aligned_type;
-   struct type{
-      union
-      {
-         char m_buf[Len];
-         aligned_type m_align;
-      };
-   };
+   typedef typename type_with_alignment<Align>::type  aligned_type;
+   typedef detail::storage<aligned_type,Len>          type;
 };
 
 } // namespace boost
 
+#include "boost/type_traits/detail/bool_trait_undef.hpp"
 
 #endif // BOOST_TT_ALIGNED_STORAGE_HPP_INCLUDED