--- a/gcc/c-family/c-dump.c	Sun Aug 21 07:07:55 2011 +0900
+++ b/gcc/c-family/c-dump.c	Fri Oct 27 22:46:09 2017 +0900
@@ -1,5 +1,5 @@
 /* Tree-dumping functionality for C-family languages.
-   Copyright (C) 2002, 2004, 2005, 2007, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2002-2017 Free Software Foundation, Inc.
    Written by Mark Mitchell <mark@codesourcery.com>
 
 This file is part of GCC.
@@ -21,19 +21,8 @@
 #include "config.h"
 #include "system.h"
 #include "coretypes.h"
-#include "tm.h"
-#include "tree.h"
+#include "c-common.h"
 #include "tree-dump.h"
-#include "c-common.h"
-
-/* Dump information common to statements from STMT.  */
-
-void
-dump_stmt (dump_info_p di, const_tree t)
-{
-  if (EXPR_HAS_LOCATION (t))
-    dump_int (di, "line", EXPR_LINENO (t));
-}
 
 /* Dump any C-specific tree codes and attributes of common codes.  */