1 files changed, 52 insertions, 4 deletions
diff --git a/3rdParty/Boost/src/boost/smart_ptr/weak_ptr.hpp b/3rdParty/Boost/src/boost/smart_ptr/weak_ptr.hpp
index bf5296a..d314b0d 100644
--- a/3rdParty/Boost/src/boost/smart_ptr/weak_ptr.hpp
+++ b/3rdParty/Boost/src/boost/smart_ptr/weak_ptr.hpp
@@ -63,22 +63,54 @@ public:
     template<class Y>
 #if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
 
-    weak_ptr( weak_ptr<Y> const & r, typename detail::sp_enable_if_convertible<Y,T>::type = detail::sp_empty() )
+    weak_ptr( weak_ptr<Y> const & r, typename boost::detail::sp_enable_if_convertible<Y,T>::type = boost::detail::sp_empty() )
 
 #else
 
     weak_ptr( weak_ptr<Y> const & r )
 
 #endif
-    : pn(r.pn) // never throws
+    : px(r.lock().get()), pn(r.pn) // never throws
     {
-        px = r.lock().get();
     }
 
+#if defined( BOOST_HAS_RVALUE_REFS )
+
+    template<class Y>
+#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
+
+    weak_ptr( weak_ptr<Y> && r, typename boost::detail::sp_enable_if_convertible<Y,T>::type = boost::detail::sp_empty() )
+
+#else
+
+    weak_ptr( weak_ptr<Y> && r )
+
+#endif
+    : px( r.lock().get() ), pn( static_cast< boost::detail::weak_count && >( r.pn ) ) // never throws
+    {
+        r.px = 0;
+    }
+
+    // for better efficiency in the T == Y case
+    weak_ptr( weak_ptr && r ): px( r.px ), pn( static_cast< boost::detail::weak_count && >( r.pn ) ) // never throws
+    {
+        r.px = 0;
+    }
+
+    // for better efficiency in the T == Y case
+    weak_ptr & operator=( weak_ptr && r ) // never throws
+    {
+        this_type( static_cast< weak_ptr && >( r ) ).swap( *this );
+        return *this;
+    }
+
+
+#endif
+
     template<class Y>
 #if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
 
-    weak_ptr( shared_ptr<Y> const & r, typename detail::sp_enable_if_convertible<Y,T>::type = detail::sp_empty() )
+    weak_ptr( shared_ptr<Y> const & r, typename boost::detail::sp_enable_if_convertible<Y,T>::type = boost::detail::sp_empty() )
 
 #else
 
@@ -99,6 +131,17 @@ public:
         return *this;
     }
 
+#if defined( BOOST_HAS_RVALUE_REFS )
+
+    template<class Y>
+    weak_ptr & operator=( weak_ptr<Y> && r )
+    {
+        this_type( static_cast< weak_ptr<Y> && >( r ) ).swap( *this );
+        return *this;
+    }
+
+#endif
+
     template<class Y>
     weak_ptr & operator=(shared_ptr<Y> const & r) // never throws
     {
@@ -124,6 +167,11 @@ public:
         return pn.use_count() == 0;
     }
 
+    bool _empty() const // extension, not in std::weak_ptr
+    {
+        return pn.empty();
+    }
+
     void reset() // never throws in 1.30+
     {
         this_type().swap(*this);