unsigned ctr = 0;

int f1(unsigned i)
{
  ctr += i;
}

void g1()
{
  return (const volatile void) f1(1);
}

void f2(unsigned i)
{
  ctr += i;
}

void g2()
{
  return f2(2);
}

int main()
{
  g1();
  g2();

  return !(ctr == 3);
}