/* { dg-lto-options {{-O2 -flto}} }  */
/* { dg-lto-do link } */
/* { dg-require-effective-target global_constructor } */

int a;
volatile int v;
volatile int w;

int __attribute__((destructor))
b() {
  if (v)
    return a + b();
  v = 5;
  return 0;
}

int
main (int argc, char **argv)
{
  w = 1;
  return 0;
}