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

   Copyright 2020-2021 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/>.  */

static inline int __attribute__ ((always_inline))
inline_func (int i)
{
  i++;          /* multiple locations here */
  return i;
}

int global = 0;

void
ovld_func ()
{
  global = 1;
}

void
ovld_func (int)
{
  global = 2;
}

/* This is a separate function so that we can test that "until" stops
   at the caller.  */

int
test ()
{
  int i = 0;

  i = inline_func (i);
  i = inline_func (i);
  i = inline_func (i);

  ovld_func ();
  ovld_func (0);

  return 0;
}

int
main ()
{
  return test ();
}
