[libcxx] r337809 - fix nesting of namespace and standard-version check. Also include <__config>

[Marshall Clow via cfe-commits]

Author: marshall
Date: Mon Jul 23 20:56:38 2018
New Revision: 337809

URL: http://llvm.org/viewvc/llvm-project?rev=337809&view=rev
Log:
fix nesting of namespace and standard-version check. Also include <__config>

Modified:
    libcxx/trunk/include/span

Modified: libcxx/trunk/include/span
URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/include/span?rev=337809&r1=337808&r2=337809&view=diff
==============================================================================
--- libcxx/trunk/include/span (original)
+++ libcxx/trunk/include/span Mon Jul 23 20:56:38 2018
@@ -140,6 +140,7 @@ template<class Container>
 
 */
 
+#include <__config>
 #include <cstddef>      // for ptrdiff_t
 #include <iterator>     // for iterators
 #include <array>        // for array
@@ -600,7 +601,8 @@ template<class _Container>
 template<class _Container>
     span(const _Container&) -> span<const typename _Container::value_type>;
 
+#endif // _LIBCPP_STD_VER > 17
+
 _LIBCPP_END_NAMESPACE_STD
 
-#endif // _LIBCPP_STD_VER > 17
 #endif // _LIBCPP_SPAN