--- ooh680-m12/cppuhelper/source/implbase_ex.cxx.alt	2006-09-16 16:40:52 +0400
+++ ooh680-m12/cppuhelper/source/implbase_ex.cxx	2008-04-27 14:27:09 +0400
@@ -127,6 +127,12 @@ static inline type_entry * __getTypeEntr
             for ( sal_Int32 n = cd->m_nTypes; n--; )
             {
                 type_entry * pEntry = &pEntries[ n ];
+                if (!pEntry->m_type.getCppuType)
+                {
+                    throw RuntimeException( rtl::OUString::createFromAscii(
+                       "type \"<Unknown>\" is no interface type!"),
+                      Reference< XInterface >() );
+                }
                 Type const & rType = (*pEntry->m_type.getCppuType)( 0 );
                 OSL_ENSURE( rType.getTypeClass() == TypeClass_INTERFACE, "### wrong helper init: expected interface!" );
                 OSL_ENSURE( ! isXInterface( rType.getTypeLibType()->pTypeName ), "### want to implement XInterface: template argument is XInterface?!?!?!" );