1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index 114275c..64a5aa5 100644
--- a/gcc/cp/tree.c
+++ b/gcc/cp/tree.c
@@ -1769,7 +1769,8 @@ handle_com_interface_attribute (tree* node,
       || !CLASS_TYPE_P (*node)
       || *node != TYPE_MAIN_VARIANT (*node))
     {
-      warning (0, "%qE attribute can only be applied to class definitions", name);
+      warning (OPT_Wattributes, "%qE attribute can only be applied "
+	       "to class definitions", name);
       return NULL_TREE;
     }