diff -rupN boost_1_43_0/boost/smart_ptr/detail/spinlock_pool.hpp boost_vms_1_43_0/boost/smart_ptr/detail/spinlock_pool.hpp
--- boost_1_43_0/boost/smart_ptr/detail/spinlock_pool.hpp	2009-03-02 18:22:16.000000000 +0200
+++ boost_vms_1_43_0/boost/smart_ptr/detail/spinlock_pool.hpp	2010-07-11 14:12:55.000000000 +0300
@@ -41,7 +41,11 @@ public:
 
     static spinlock & spinlock_for( void const * pv )
     {
+        #if defined(__VMS) && __INITIAL_POINTER_SIZE == 64
+        std::size_t i = reinterpret_cast< unsigned long long >( pv ) % 41;
+        #else
         std::size_t i = reinterpret_cast< std::size_t >( pv ) % 41;
+        #endif
         return pool_[ i ];
     }