/* Empty GC callbacks to be used by languages that don't support GC.
   Copyright (C) 1999, 2000 Free Software Foundation, Inc.

   This file is part of GCC.

   GCC is free software; you can redistribute it and/or modify it
   under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   GCC is distributed in the hope that it will be useful, but WITHOUT
   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
   License for more details.

   You should have received a copy of the GNU General Public License
   along with GCC; see the file COPYING.  If not, write to the Free
   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
   02111-1307, USA.  */

#include "config.h"
#include "system.h"
#include "rtl.h"
#include "tree.h"
#include "tm_p.h"
#include "ggc.h"

void ATTRIBUTE_NORETURN
lang_mark_tree (t)
     union tree_node *t ATTRIBUTE_UNUSED;
{
  /* If this function is called, we are doing GC.  But, this file is
     only included in compilers for languages that don't support GC.  */
  abort ();
}