1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/testsuite/g++.dg/plugin/attribute_plugin.c b/gcc/testsuite/g++.dg/plugin/attribute_plugin.c
index 6327095f7cd..e5b0566837d 100644
--- a/gcc/testsuite/g++.dg/plugin/attribute_plugin.c
+++ b/gcc/testsuite/g++.dg/plugin/attribute_plugin.c
@@ -10,6 +10,7 @@
 #include "intl.h"
 #include "toplev.h"
 #include "plugin.h"
+#include "diagnostic.h"
 
 int plugin_is_GPL_compatible;
 
@@ -43,7 +44,7 @@ handle_pre_generic (void *event_data, void *data)
 {
   tree fndecl = (tree) event_data;
   tree arg;
-  for (arg = DECL_ARGUMENTS(fndecl); arg; arg = TREE_CHAIN (arg)) {
+  for (arg = DECL_ARGUMENTS(fndecl); arg; arg = DECL_CHAIN (arg)) {
       tree attr;
       for (attr = DECL_ATTRIBUTES (arg); attr; attr = TREE_CHAIN (attr)) {
           tree attrname = TREE_PURPOSE (attr);