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diff --git a/src/boost/libs/serialization/test/D.hpp b/src/boost/libs/serialization/test/D.hpp
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+++ b/src/boost/libs/serialization/test/D.hpp
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+#ifndef BOOST_SERIALIZATION_TEST_D_HPP
+#define BOOST_SERIALIZATION_TEST_D_HPP
+
+// MS compatible compilers support #pragma once
+#if defined(_MSC_VER)
+# pragma once
+#endif
+
+/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
+// D.hpp
+
+// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
+// Use, modification and distribution is 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 for updates, documentation, and revision history.
+
+#include <cstddef> // NULL
+
+#include "test_tools.hpp"
+#include <boost/detail/no_exceptions_support.hpp>
+#include <boost/serialization/throw_exception.hpp>
+#include <boost/serialization/split_member.hpp>
+
+#include "B.hpp"
+
+///////////////////////////////////////////////////////
+// Contained class with multiple identical pointers
+class D
+{
+private:
+    friend class boost::serialization::access;
+    B *b1;
+    B *b2;
+    template<class Archive>
+    void save(Archive &ar, const unsigned int file_version) const{
+        ar << BOOST_SERIALIZATION_NVP(b1);
+        ar << BOOST_SERIALIZATION_NVP(b2);
+    }
+
+    template<class Archive>
+    void load(Archive & ar, const unsigned int file_version){
+        BOOST_TRY {
+            ar >> boost::serialization::make_nvp("b", b1);
+            ar >> boost::serialization::make_nvp("b", b2);
+        }
+        BOOST_CATCH (...){
+            // eliminate invalid pointers
+            b1 = NULL;
+            b2 = NULL;
+            BOOST_FAIL( "multiple identical pointers failed to load" );
+        }
+        BOOST_CATCH_END
+        // check that loading was correct
+        BOOST_CHECK(b1 == b2);
+    }
+
+    BOOST_SERIALIZATION_SPLIT_MEMBER()
+public:
+    D();
+    ~D();
+    bool operator==(const D &rhs) const;
+};
+
+BOOST_CLASS_VERSION(D, 3)
+
+D::D()
+{
+    b1 = new B();
+    b2 = b1;
+}
+
+D::~D()
+{
+    delete b1;
+}
+
+bool D::operator==(const D &rhs) const
+{
+    if(! (*b1 == *(rhs.b1)) )
+        return false;   
+    if(! (*b2 == *(rhs.b2)) )
+        return false;
+    return true;
+}
+
+#endif // BOOST_SERIALIZATION_TEST_D_HPP