diff --git a/gcc/cfgloop.h b/gcc/cfgloop.h
index 80af7d8dbc439a99123682e76d292b5a0bab8c4e..95f5d5313da8f0eaa0edc050e78c93cbe8f5e8aa 100644
--- a/gcc/cfgloop.h
+++ b/gcc/cfgloop.h
@@ -254,7 +254,8 @@ extern basic_block *get_loop_body_in_custom_order (const struct loop *,
 			       int (*) (const void *, const void *));
 
 extern VEC (edge, heap) *get_loop_exit_edges (const struct loop *);
-edge single_exit (const struct loop *);
+extern edge single_exit (const struct loop *);
+extern edge single_likely_exit (struct loop *loop);
 extern unsigned num_loop_branches (const struct loop *);
 
 extern edge loop_preheader_edge (const struct loop *);