Release 1.46.0

[SVN r69125]

include/boost/detail/sp_typeinfo.hpp

@@ -74,7 +74,13 @@ template<class T> struct sp_typeid_
     }
 };
 
-template<class T> sp_typeinfo sp_typeid_< T >::ti_( sp_typeid_< T >::name() );
+#if defined(__SUNPRO_CC)
+// see #4199, the Sun Studio compiler gets confused about static initialization 
+// constructor arguments. But an assignment works just fine. 
+template<class T> sp_typeinfo sp_typeid_< T >::ti_ = sp_typeid_< T >::name();
+#else
+template<class T> sp_typeinfo sp_typeid_< T >::ti_(sp_typeid_< T >::name());
+#endif
 
 template<class T> struct sp_typeid_< T & >: sp_typeid_< T >
 {

include/boost/smart_ptr/detail/sp_convertible.hpp

@@ -25,7 +25,7 @@
 # define BOOST_SP_NO_SP_CONVERTIBLE
 #endif
 
-#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( __BORLANDC__ ) && ( __BORLANDC__ <= 0x620 )
+#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( __BORLANDC__ ) && ( __BORLANDC__ < 0x630 )
 # define BOOST_SP_NO_SP_CONVERTIBLE
 #endif
 
@@ -45,7 +45,7 @@ template< class Y, class T > struct sp_convertible
     static yes f( T* );
     static no  f( ... );
 
-    enum _vt { value = sizeof( f( static_cast<Y*>(0) ) ) == sizeof(yes) };
+    enum _vt { value = sizeof( (f)( static_cast<Y*>(0) ) ) == sizeof(yes) };
 };
 
 struct sp_empty

include/boost/smart_ptr/detail/yield_k.hpp

@@ -55,7 +55,7 @@ namespace detail
 {
 
 #if !defined( BOOST_USE_WINDOWS_H )
-  extern "C" void __stdcall Sleep( unsigned ms );
+  extern "C" void __stdcall Sleep( unsigned long ms );
 #endif
 
 inline void yield( unsigned k )

include/boost/smart_ptr/make_shared.hpp

@@ -87,10 +87,12 @@ public:
 };
 
 #if defined( BOOST_HAS_RVALUE_REFS )
-template< class T > T&& forward( T &&t )
+
+template< class T > T&& sp_forward( T & t )
 {
-    return t;
+    return static_cast< T&& >( t );
 }
+
 #endif
 
 } // namespace detail
@@ -101,9 +103,9 @@ template< class T > T&& forward( T &&t )
 
 template< class T > boost::shared_ptr< T > make_shared()
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -118,9 +120,9 @@ template< class T > boost::shared_ptr< T > make_shared()
 
 template< class T, class A > boost::shared_ptr< T > allocate_shared( A const & a )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -137,15 +139,15 @@ template< class T, class A > boost::shared_ptr< T > allocate_shared( A const & a
 
 // Variadic templates, rvalue reference
 
-template< class T, class... Args > boost::shared_ptr< T > make_shared( Args && ... args )
+template< class T, class Arg1, class... Args > boost::shared_ptr< T > make_shared( Arg1 && arg1, Args && ... args )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
-    ::new( pv ) T( detail::forward<Args>( args )... );
+    ::new( pv ) T( boost::detail::sp_forward<Arg1>( arg1 ), boost::detail::sp_forward<Args>( args )... );
     pd->set_initialized();
 
     T * pt2 = static_cast< T* >( pv );
@@ -154,15 +156,15 @@ template< class T, class... Args > boost::shared_ptr< T > make_shared( Args && .
     return boost::shared_ptr< T >( pt, pt2 );
 }
 
-template< class T, class A, class... Args > boost::shared_ptr< T > allocate_shared( A const & a, Args && ... args )
+template< class T, class A, class Arg1, class... Args > boost::shared_ptr< T > allocate_shared( A const & a, Arg1 && arg1, Args && ... args )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
-    ::new( pv ) T( detail::forward<Args>( args )... );
+    ::new( pv ) T( boost::detail::sp_forward<Arg1>( arg1 ), boost::detail::sp_forward<Args>( args )... );
     pd->set_initialized();
 
     T * pt2 = static_cast< T* >( pv );
@@ -178,9 +180,9 @@ template< class T, class A, class... Args > boost::shared_ptr< T > allocate_shar
 template< class T, class A1 >
 boost::shared_ptr< T > make_shared( A1 const & a1 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -196,9 +198,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1 )
 template< class T, class A, class A1 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -214,9 +216,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1 )
 template< class T, class A1, class A2 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -232,9 +234,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2 )
 template< class T, class A, class A1, class A2 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -250,9 +252,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -268,9 +270,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3
 template< class T, class A, class A1, class A2, class A3 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -286,9 +288,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3, class A4 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -304,9 +306,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3,
 template< class T, class A, class A1, class A2, class A3, class A4 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -322,9 +324,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3, class A4, class A5 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -340,9 +342,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3,
 template< class T, class A, class A1, class A2, class A3, class A4, class A5 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -358,9 +360,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3, class A4, class A5, class A6 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -376,9 +378,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3,
 template< class T, class A, class A1, class A2, class A3, class A4, class A5, class A6 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -394,9 +396,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3, class A4, class A5, class A6, class A7 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6, A7 const & a7 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -412,9 +414,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3,
 template< class T, class A, class A1, class A2, class A3, class A4, class A5, class A6, class A7 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6, A7 const & a7 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -430,9 +432,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6, A7 const & a7, A8 const & a8 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -448,9 +450,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3,
 template< class T, class A, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6, A7 const & a7, A8 const & a8 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -466,9 +468,9 @@ boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a
 template< class T, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9 >
 boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6, A7 const & a7, A8 const & a8, A9 const & a9 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >() );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >() );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 
@@ -484,9 +486,9 @@ boost::shared_ptr< T > make_shared( A1 const & a1, A2 const & a2, A3 const & a3,
 template< class T, class A, class A1, class A2, class A3, class A4, class A5, class A6, class A7, class A8, class A9 >
 boost::shared_ptr< T > allocate_shared( A const & a, A1 const & a1, A2 const & a2, A3 const & a3, A4 const & a4, A5 const & a5, A6 const & a6, A7 const & a7, A8 const & a8, A9 const & a9 )
 {
-    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), detail::sp_ms_deleter< T >(), a );
+    boost::shared_ptr< T > pt( static_cast< T* >( 0 ), boost::detail::sp_ms_deleter< T >(), a );
 
-    detail::sp_ms_deleter< T > * pd = boost::get_deleter< detail::sp_ms_deleter< T > >( pt );
+    boost::detail::sp_ms_deleter< T > * pd = boost::get_deleter< boost::detail::sp_ms_deleter< T > >( pt );
 
     void * pv = pd->address();
 

test/Jamfile.v2

@@ -63,5 +63,6 @@ import testing ;
           [ compile-fail auto_ptr_lv_fail.cpp ]
           [ run atomic_count_test2.cpp ]
           [ run sp_typeinfo_test.cpp ]
+          [ compile make_shared_fp_test.cpp ]
         ;
 }

test/make_shared_fp_test.cpp

@@ -0,0 +1,19 @@
+//
+//  make_shared_fp_test.cpp
+//
+//  Copyright 2010 Georg Fritzsche
+//
+//  Distributed under 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
+//
+
+
+#include <boost/shared_ptr.hpp>
+#include <boost/make_shared.hpp>
+
+int main()
+{
+    typedef boost::shared_ptr<int>(*FP)(); 
+    FP fp = boost::make_shared<int>;
+}

test/make_shared_perfect_forwarding_test.cpp

@@ -12,14 +12,14 @@
 #include <boost/make_shared.hpp>
 #include <boost/shared_ptr.hpp>
 
-#ifndef BOOST_HAS_RVALUE_REFS
+#if !defined( BOOST_HAS_RVALUE_REFS ) || !defined( BOOST_HAS_VARIADIC_TMPL )
 
 int main()
 {
     return 0;
 }
 
-#else // BOOST_HAS_RVALUE_REFS
+#else // BOOST_HAS_RVALUE_REFS, BOOST_HAS_VARIADIC_TMPL
 
 class myarg
 {

test/weak_ptr_test.cpp

@@ -914,7 +914,6 @@ void test()
         BOOST_TEST(wp2.use_count() == 0);
         BOOST_TEST(!(wp < wp3 || wp3 < wp));
 
-        using std::swap;
         swap(wp, wp2);
 
         BOOST_TEST(wp.use_count() == 0);
@@ -950,7 +949,6 @@ void test()
         BOOST_TEST(wp2.use_count() == 0);
         BOOST_TEST(!(wp < wp3 || wp3 < wp));
 
-        using std::swap;
         swap(wp, wp2);
 
         BOOST_TEST(wp.use_count() == 0);
@@ -965,7 +963,6 @@ void test()
         BOOST_TEST(wp2.use_count() == 0);
         BOOST_TEST(!(wp < wp3 || wp3 < wp));
 
-        using std::swap;
         swap(wp, wp2);
 
         BOOST_TEST(wp.use_count() == 0);