* tree.c (walk_tree): Don't walk into default args.

[pf3gnuchains/gcc-fork.git] / gcc / cp / tree.c

diff --git a/gcc/cp/tree.c b/gcc/cp/tree.c
index a1d37c8..f974067 100644 (file)
--- a/gcc/cp/tree.c
+++ b/gcc/cp/tree.c
@@ -1388,7 +1388,13 @@ walk_tree (tp, func, data, htab)
 
     case FUNCTION_TYPE:
       WALK_SUBTREE (TREE_TYPE (*tp));
-      WALK_SUBTREE (TYPE_ARG_TYPES (*tp));
+      {
+       tree arg = TYPE_ARG_TYPES (*tp);
+
+       /* We never want to walk into default arguments.  */
+       for (; arg; arg = TREE_CHAIN (arg))
+         WALK_SUBTREE (TREE_VALUE (arg));
+      }
       break;
 
     case ARRAY_TYPE: