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/* Language-dependent trees for LTO.
   Copyright 2009 Free Software Foundation, Inc.
   Contributed by CodeSourcery, 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 3, 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 COPYING3.  If not see
<http://www.gnu.org/licenses/>.  */
 
#ifndef GCC_LTO_TREE_H
#define GCC_LTO_TREE_H
 
#include "plugin-api.h"
 
struct GTY(()) lang_identifier
{
  struct tree_identifier base;
};
 
struct GTY(()) lang_decl
{
  int dummy;  /* Added because ggc does not like empty structs.  */
};
 
struct GTY(()) lang_type
{
  int dummy;  /* Added because ggc does not like empty structs.  */
};
 
struct GTY(()) language_function
{
  int dummy;  /* Added because ggc does not like empty structs.  */
};
 
enum lto_tree_node_structure_enum {
  TS_LTO_GENERIC
};
 
union GTY((desc ("lto_tree_node_structure (&%h)"),
	  chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
    lang_tree_node
{
  union tree_node GTY ((tag ("TS_LTO_GENERIC"),
			desc ("tree_node_structure (&%h)"))) generic;
};
 
/* Vector to keep track of external variables we've seen so far.  */
extern GTY(()) VEC(tree,gc) *lto_global_var_decls;
 
#endif /* GCC_LTO_TREE_H */