------- Additional Comments From pinskia at gcc dot gnu dot org  2004-12-03 
18:51 -------
Just for reference this is the example from the text:
struct s { int i; };
int f (void)
{
  struct s *p = 0, *q;
  int j = 0;
 again:
  q=p,p=&((struct s){ j++ });
  if (j < 2) goto again;

  return p == q && q->i == 1;
}

-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18814

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