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

   Copyright 2016-2021 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/>.  */

/* This is the test program loaded into GDB by the py-recurse-unwind test.  */

void
ccc (int arg)
{
}

void
bbb (int arg)
{
  ccc (789);
}

void
aaa (int arg)
{
  bbb (456);
}

int
main ()
{
  int i;

  for (i = 0; i < 10; i++)
    aaa (123);

  return 0;
}
