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/* This testcase is part of GDB, the GNU debugger.
Copyright (C) 2018-2023 Free Software Foundation, Inc.
This program 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 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */
enum cons_type
{
type_atom = 0,
type_cons = 1
};
struct atom
{
int ival;
};
struct cons
{
enum cons_type type;
union
{
struct atom atom;
struct cons *slots[2];
};
};
#define nil ((struct cons*)0);
int
main ()
{
struct cons c1, c2, c3, c4;
c1.type = type_cons;
c1.slots[0] = &c4;
c1.slots[1] = &c2;
c2.type = type_cons;
c2.slots[0] = nil;
c2.slots[1] = &c3;
c3.type = type_cons;
c3.slots[0] = nil;
c3.slots[1] = nil;
c4.type = type_atom;
c4.atom.ival = 13;
return 0; /* next line */
}
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