--- boost_1_43_0_orig/boost/exception/detail/error_info_impl.hpp        2010-03-08 00:18:25.000000000 -0800
+++ boost_1_43_0/boost/exception/detail/error_info_impl.hpp     2010-05-07 14:52:09.656952000 -0700
@@ -30,7 +30,7 @@
 
             protected:
 
-            ~error_info_base() throw()
+            virtual ~error_info_base() throw()
                 {
                 }
             };