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/* This testcase is part of GDB, the GNU debugger.

   Copyright 2014-2018 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/>.  */

void
sentinel (void)
{
  return;
}

int
incr (int i)
{
  sentinel ();
  return i + 1;
}

int
decr (int i)
{
  sentinel ();
  return i - 1;
}

int (*calc) (int) = incr;

int
main (void)
{
  int i = -1;

  i = calc (i);
  i = calc (i);
  i = calc (i);

  return i;
}