intended borland fix

[SVN r29106]

include/boost/range/iterator_range.hpp

@@ -141,6 +141,7 @@ namespace boost
             //! Difference type
             typedef BOOST_DEDUCED_TYPENAME 
                 iterator_difference<IteratorT>::type difference_type;
+            
             //! Size type
             typedef std::size_t size_type; // note: must be unsigned
 
@@ -160,6 +161,19 @@ namespace boost
                                singular( true )
             { }
 
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))  
+            iterator_range( this_type r ) :
+            : m_Begin(r.begin()), m_End(r.end())
+            { }
+
+            this_type& operator=( this_type r )
+            {
+                m_Begin = r.begin();
+                m_End   = r.end();
+                return *this;
+            }
+#endif
+            
             //! Constructor from a pair of iterators
             template< class Iterator >
             iterator_range( Iterator Begin, Iterator End ) : 

include/boost/range/sub_range.hpp

@@ -40,6 +40,20 @@ namespace boost
         sub_range() : base() 
         { }
 
+#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))  
+        typedef sub_range<ForwardRange> this_type;
+        
+        sub_range( this_type r ) :
+        : base( r )
+        { }
+
+        this_type& operator=( this_type r )
+        {
+            base::operator=( r );
+            return *this;
+        }
+#endif
+
         template< class ForwardRange2 >
         sub_range( ForwardRange2& r ) :