diff --git a/test/boost_no_priv_aggregate.ipp b/test/boost_no_priv_aggregate.ipp
index c345d0fd..37f662bb 100644
--- a/test/boost_no_priv_aggregate.ipp
+++ b/test/boost_no_priv_aggregate.ipp
@@ -17,6 +17,7 @@ struct t
 private:
    void foo(){ i = j; }
 public:
+   void bar(){ j = i; } // silences warning from GCC
    int i;
    int j;
 };