Ticket #2312: intrusive_ptr_assignment.patch

intrusive_ptr.hpp

@@ -111 +111 @@
 
 #endif
 
-    intrusive_ptr & operator=(intrusive_ptr const & rhs)
+    intrusive_ptr & operator=(intrusive_ptr rhs)
     {
-        this_type(rhs).swap(*this);
+        rhs.swap(*this);
         return *this;
     }