Index: gcc/basic-block.h
===================================================================
--- gcc/basic-block.h	(revision 174056)
+++ gcc/basic-block.h	(working copy)
@@ -882,6 +882,9 @@ extern basic_block get_bb_copy (basic_block);
 void set_loop_copy (struct loop *, struct loop *);
 struct loop *get_loop_copy (struct loop *);
 
+extern void debug_dominance_info (enum cdi_direction dir);
+extern void debug_dominance_tree (enum cdi_direction dir, basic_block root);
+
 #include "cfghooks.h"
 
 /* Return true when one of the predecessor edges of BB is marked with EDGE_EH.  */