merge from gcc repository

include/ChangeLog

@@ -1,3 +1,7 @@
+2000-10-11  Mark Mitchell  <mark@codesourcery.com>
+
+	* splay-tree.h (splay_tree_predecessor): Declare.
+
 2000-09-29  Hans-Peter Nilsson  <hp@axis.com>
 
 	* dis-asm.h: Declare cris_get_disassembler, not print_insn_cris.

include/splay-tree.h

@@ -1,5 +1,5 @@
 /* A splay-tree datatype.  
-   Copyright (C) 1998 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2000 Free Software Foundation, Inc.
    Contributed by Mark Mitchell (mark@markmitchell.com).
 
 This file is part of GNU CC.
@@ -104,6 +104,12 @@ extern void splay_tree_remove		PARAMS((splay_tree,
 extern splay_tree_node splay_tree_lookup   
                                         PARAMS((splay_tree,
 					        splay_tree_key));
+extern splay_tree_node splay_tree_predecessor
+                                        PARAMS((splay_tree,
+						splay_tree_key));
+extern splay_tree_node splay_tree_successor
+                                        PARAMS((splay_tree,
+						splay_tree_key));
 extern int splay_tree_foreach           PARAMS((splay_tree,
 					        splay_tree_foreach_fn,
 					        void*));