1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree.h b/gcc/tree.h
index 9881090..7b431af 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -3914,6 +3914,7 @@ extern bool range_in_array_bounds_p (tree);
 
 extern tree value_member (tree, tree);
 extern tree purpose_member (const_tree, tree);
+extern tree chain_index (int, tree);
 
 extern int attribute_list_equal (const_tree, const_tree);
 extern int attribute_list_contained (const_tree, const_tree);