Index: libs/spirit/classic/test/symbols_add_null.cpp
===================================================================
--- libs/spirit/classic/test/symbols_add_null.cpp	(revision 19409)
+++ libs/spirit/classic/test/symbols_add_null.cpp	(working copy)
@@ -7,6 +7,11 @@
     http://www.boost.org/LICENSE_1_0.txt)
 =============================================================================*/
 
+// This test requires NDEBUG to not be defiend
+#ifdef NDEBUG
+#  undef NDEBUG
+#endif
+
 #include <stdexcept>
 
 #define BOOST_SPIRIT_ASSERT_EXCEPTION ::spirit_exception