/* { dg-do link } */
/* { dg-options  "-flto -flto-partition=none -fipa-dead-field-eliminate -fdump-ipa-structure-reorg -fipa-typelist-field=nextout -fipa-typelist-struct=arc" } */

struct a
{
  struct arc *b;
} c (struct a *d, struct a *e)
{
  while (e)
    d = d;
}
int
main ()
{}