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Subject: [Boost-commit] svn:boost r51905 - trunk/boost/serialization
From: ramey_at_[hidden]
Date: 2009-03-22 15:06:56
Author: ramey
Date: 2009-03-22 15:06:55 EDT (Sun, 22 Mar 2009)
New Revision: 51905
URL: http://svn.boost.org/trac/boost/changeset/51905
Log:
fix for virtual base classes
Text files modified: 
   trunk/boost/serialization/void_cast.hpp |     4 +++-                                    
   1 files changed, 3 insertions(+), 1 deletions(-)
Modified: trunk/boost/serialization/void_cast.hpp
==============================================================================
--- trunk/boost/serialization/void_cast.hpp	(original)
+++ trunk/boost/serialization/void_cast.hpp	2009-03-22 15:06:55 EDT (Sun, 22 Mar 2009)
@@ -167,7 +167,9 @@
     void_caster( 
         & type_info_implementation<Derived>::type::get_const_instance(), 
         & type_info_implementation<Base>::type::get_const_instance(),
-        reinterpret_cast<unsigned long int>(
+        // note:I wanted to display from 0 here, but at least one compiler
+        // treated 0 by not shifting it at all.
+        reinterpret_cast<std::ptrdiff_t>(
             static_cast<Derived *>(
                 reinterpret_cast<Base *>(1)
             )