Imported Upstream version 1.62.0upstream/1.62.0

Change-Id: I9d4c1ddb7b7d8f0069217ecc582700f9fda6dd4c
Signed-off-by: DongHun Kwak <dh0128.kwak@samsung.com>

4 files changed, 45 insertions, 4 deletions

diff --git a/boost/smart_ptr/enable_shared_from_raw.hpp b/boost/smart_ptr/enable_shared_from_raw.hpp
index 669a6492b6..5cd3574e7c 100644
--- a/boost/smart_ptr/enable_shared_from_raw.hpp
+++ b/boost/smart_ptr/enable_shared_from_raw.hpp
@@ -104,7 +104,7 @@ private:
     }
 
     // Note: invoked automatically by shared_ptr; do not call
-    template<class X, class Y> void _internal_accept_owner( shared_ptr<X> * ppx, Y * py ) const
+    template<class X, class Y> void _internal_accept_owner( shared_ptr<X> * ppx, Y * ) const
     {
         BOOST_ASSERT( ppx != 0 );
 
diff --git a/boost/smart_ptr/intrusive_ptr.hpp b/boost/smart_ptr/intrusive_ptr.hpp
index e5db609976..1e9339732b 100644
--- a/boost/smart_ptr/intrusive_ptr.hpp
+++ b/boost/smart_ptr/intrusive_ptr.hpp
@@ -59,7 +59,7 @@ public:
 
     typedef T element_type;
 
-    intrusive_ptr() BOOST_NOEXCEPT : px( 0 )
+    BOOST_CONSTEXPR intrusive_ptr() BOOST_NOEXCEPT : px( 0 )
     {
     }
 
@@ -122,6 +122,30 @@ public:
         return *this;
     }
 
+    template<class U> friend class intrusive_ptr;
+
+    template<class U>
+#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
+
+    intrusive_ptr(intrusive_ptr<U> && rhs, typename boost::detail::sp_enable_if_convertible<U,T>::type = boost::detail::sp_empty())
+
+#else
+
+    intrusive_ptr(intrusive_ptr<U> && rhs)
+
+#endif        
+    : px( rhs.px )
+    {
+        rhs.px = 0;
+    }
+
+    template<class U>
+    intrusive_ptr & operator=(intrusive_ptr<U> && rhs) BOOST_NOEXCEPT
+    {
+        this_type( static_cast< intrusive_ptr<U> && >( rhs ) ).swap(*this);
+        return *this;
+    }
+
 #endif
 
     intrusive_ptr & operator=(intrusive_ptr const & rhs)
diff --git a/boost/smart_ptr/intrusive_ref_counter.hpp b/boost/smart_ptr/intrusive_ref_counter.hpp
index 82fa8bc3e3..b7587ea7a0 100644
--- a/boost/smart_ptr/intrusive_ref_counter.hpp
+++ b/boost/smart_ptr/intrusive_ref_counter.hpp
@@ -83,7 +83,7 @@ struct thread_safe_counter
 
     static unsigned int decrement(boost::detail::atomic_count& counter) BOOST_NOEXCEPT
     {
-        return --counter;
+        return static_cast< unsigned int >(--counter);
     }
 };
 
diff --git a/boost/smart_ptr/shared_ptr.hpp b/boost/smart_ptr/shared_ptr.hpp
index bcefda8897..77f68bebd0 100644
--- a/boost/smart_ptr/shared_ptr.hpp
+++ b/boost/smart_ptr/shared_ptr.hpp
@@ -642,6 +642,14 @@ public:
         return *this;
     }
 
+    // aliasing move
+    template<class Y>
+    shared_ptr( shared_ptr<Y> && r, element_type * p ) BOOST_NOEXCEPT : px( p ), pn()
+    {
+        pn.swap( r.pn );
+        r.px = 0;
+    }
+
 #endif
 
 #if !defined( BOOST_NO_CXX11_NULLPTR )
@@ -679,7 +687,16 @@ public:
     {
         this_type( r, p ).swap( *this );
     }
-    
+
+#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
+
+    template<class Y> void reset( shared_ptr<Y> && r, element_type * p )
+    {
+        this_type( static_cast< shared_ptr<Y> && >( r ), p ).swap( *this );
+    }
+
+#endif
+
     // never throws (but has a BOOST_ASSERT in it, so not marked with BOOST_NOEXCEPT)
     typename boost::detail::sp_dereference< T >::type operator* () const
     {