diff --git a/tests/span_compile_only.cpp b/tests/span_compile_only.cpp
index 5c9da6d..05356dd 100644
--- a/tests/span_compile_only.cpp
+++ b/tests/span_compile_only.cpp
@@ -28,7 +28,7 @@
 // #include <stddef.h>    // for ptrdiff_t
 // #include <string>      // for string
 // #include <type_traits> // for integral_constant<>::value, is_default_co...
-// #include <vector>      // for vector
+#include <vector>      // for vector
 
 namespace gsl {
 struct fail_fast;
@@ -54,3 +54,17 @@ bool foo()
         return ret;
     }
 }
+
+
+GSL_SUPPRESS(con.4) // NO-FORMAT: attribute
+bool bar()
+{
+    {
+        bool ret = true;
+        vector<int> v{0,1,2,3};
+        span<int> s{v};
+        ret = ret || (s.size() == 4 && s.data() != nullptr);
+
+        return ret;
+    }
+}
\ No newline at end of file