diff --git a/gcc/testsuite/g++.old-deja/g++.pt/memtemp64.C b/gcc/testsuite/g++.old-deja/g++.pt/memtemp64.C
index 6185d3d6058..fbebe3ae82f 100644
--- a/gcc/testsuite/g++.old-deja/g++.pt/memtemp64.C
+++ b/gcc/testsuite/g++.old-deja/g++.pt/memtemp64.C
@@ -4,7 +4,7 @@ template <class T>
 struct S1 {};
 
 template <class T>
-void f(T);
+void f(T); // ERROR - original declaration.
 
 template <class C>
 struct S2