diff --git a/include/gsl/span b/include/gsl/span
index c2c7a8f..f7e739f 100644
--- a/include/gsl/span
+++ b/include/gsl/span
@@ -741,6 +741,12 @@ as_writable_bytes(span<ElementType, Extent> s) noexcept
 
 } // namespace gsl
 
+//TEST
+#if defined(__GNUC__) && __GNUC__ < 6
+asdfadfasdfasdfasdfasdfasdfasdfasdf
+#endif
+//
+
 #if defined(_MSC_VER) && !defined(__clang__)
 
 #pragma warning(pop)