1/* This testcase is part of GDB, the GNU debugger.
2
3   Copyright 2014-2020 Free Software Foundation, Inc.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3 of the License, or
8   (at your option) any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
17
18void
19sentinel (void)
20{
21  return;
22}
23
24int
25incr (int i)
26{
27  sentinel ();
28  return i + 1;
29}
30
31int
32decr (int i)
33{
34  sentinel ();
35  return i - 1;
36}
37
38int (*calc) (int) = incr;
39
40int
41main (void)
42{
43  int i = -1;
44
45  i = calc (i);
46  i = calc (i);
47  i = calc (i);
48
49  return i;
50}
51