#define _Instantiate(...) template void __function_requires< __VA_ARGS__ > ()
-namespace __gnu_cxx
-{
+_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
+
template void __aux_require_boolean_expr<bool>(bool const&);
_Instantiate(_ConvertibleConcept<unsigned, unsigned> );
_Instantiate(_RandomAccessIteratorConcept<wchar_t const*> );
#endif
-} // namespace __gnu_cxx
+
+_GLIBCXX_END_NAMESPACE
#undef _Instantiate