From 86d3f0aba7a094ab62a13da442cdd2ca13bd7623 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@pdimov.com>
Date: Sun, 15 Apr 2007 02:47:45 +0000
Subject: [PATCH] Changed move constructors/assignments to leave the source
 empty

[SVN r37439]
---
 include/boost/shared_ptr.hpp | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/boost/shared_ptr.hpp b/include/boost/shared_ptr.hpp
index b8072ba..ec38248 100644
--- a/include/boost/shared_ptr.hpp
+++ b/include/boost/shared_ptr.hpp
@@ -313,26 +313,26 @@ public:
     shared_ptr( shared_ptr && r ): px( r.px ), pn() // never throws
     {
         pn.swap( r.pn );
+        r.px = 0;
     }
 
     template<class Y>
     shared_ptr( shared_ptr<Y> && r ): px( r.px ), pn() // never throws
     {
         pn.swap( r.pn );
+        r.px = 0;
     }
 
     shared_ptr & operator=( shared_ptr && r ) // never throws
     {
-        px = r.px;
-        pn.swap( r.pn );
+        this_type( static_cast< shared_ptr && >( r ) ).swap( *this );
         return *this;
     }
 
     template<class Y>
     shared_ptr & operator=( shared_ptr<Y> && r ) // never throws
     {
-        px = r.px;
-        pn.swap( r.pn );
+        this_type( static_cast< shared_ptr<Y> && >( r ) ).swap( *this );
         return *this;
     }