gdb/testsuite/gdb.cp/cold-clone.cc

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

   Copyright 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/>.  */

#include <stdlib.h>
#include "../lib/attributes.h"

int a;
int b;
int c;

static int __attribute__((used, noinline)) ATTRIBUTE_NOCLONE
foo (void)
{
  a = 2;
  if (b)
    abort ();

  return c;
}

static int __attribute__((used, noinline)) ATTRIBUTE_NOCLONE
bar (void)
{
  a = 1;
  if (c)
    abort ();
  return b;
}

int
main (int argc, char **argv __attribute__((unused)))
{
  b = argc * 2;
  c = argc / 2;

  if (b + c == 5)
    abort ();

  return foo () + bar ();
}