Added defect macro BOOST_NO_CXX11_UNION_STATIC_DATA for compilers which do not support unions with static data.

test/no_union_static_data_fail.cpp

@@ -0,0 +1,37 @@
+//  This file was automatically generated on Mon Dec 09 09:47:37 2019
+//  by libs/config/tools/generate.cpp
+//  Copyright John Maddock 2002-4.
+//  Use, modification and distribution are subject to the 
+//  Boost Software License, Version 1.0. (See accompanying file 
+//  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+
+//  See http://www.boost.org/libs/config for the most recent version.//
+//  Revision $Id$
+//
+
+
+// Test file for macro BOOST_NO_CXX11_UNION_STATIC_DATA
+// This file should not compile, if it does then
+// BOOST_NO_CXX11_UNION_STATIC_DATA should not be defined.
+// See file boost_no_union_static_data.ipp for details
+
+// Must not have BOOST_ASSERT_CONFIG set; it defeats
+// the objective of this file:
+#ifdef BOOST_ASSERT_CONFIG
+#  undef BOOST_ASSERT_CONFIG
+#endif
+
+#include <boost/config.hpp>
+#include "test.hpp"
+
+#ifdef BOOST_NO_CXX11_UNION_STATIC_DATA
+#include "boost_no_union_static_data.ipp"
+#else
+#error "this file should not compile"
+#endif
+
+int main( int, char *[] )
+{
+   return boost_no_cxx11_union_static_data::test();
+}
+