1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/df.h b/gcc/df.h
index be37fa4..e1421d1 100644
--- a/gcc/df.h
+++ b/gcc/df.h
@@ -1115,8 +1115,8 @@ struct web_entry
 
 extern struct web_entry *unionfind_root (struct web_entry *);
 extern bool unionfind_union (struct web_entry *, struct web_entry *);
-extern void union_defs (df_ref,
-                        struct web_entry *, struct web_entry *,
+extern void union_defs (df_ref, struct web_entry *,
+			unsigned int *used, struct web_entry *,
 			bool (*fun) (struct web_entry *, struct web_entry *));
 
 #endif /* GCC_DF_H */