/* { dg-do compile } */
/* { dg-options "-O2 -fsplit-paths -fno-tree-cselim -fdump-tree-split-paths-details -fno-finite-loops -fno-tree-dominator-opts -fno-tree-vrp -w" } */

struct __sFILE
{
  unsigned char *_p;
  int _r;
};
typedef struct __sFILE __FILE;
struct _reent
{
  __FILE *_stdin, *_stdout, *_stderr;
};
extern struct _reent *_impure_ptr;
extern char contextbufs[10][1024];
extern int contextoffset;
extern int sflag;
int strtosichar (char *, int);
int ichartosstr (int, int);
void treeinsert (int, int, int);
void stop(void);
int __srget_r (struct _reent *, __FILE *);
void
givehelp (int interactive)
{
  if (interactive)
    {
      while ((--((_impure_ptr->_stdin))->_r <
	      0 ? __srget_r (_impure_ptr,
			     (_impure_ptr->
			      _stdin)) : (int) (*((_impure_ptr->_stdin))->
						_p++)) != ' ');
    }
}

void
oof (void)
{
  int bufsize;
  int hadnl;
  while (1)
    {
      if (bufsize == (sizeof contextbufs[0]) / 2 - 1)
	{
	  if (contextbufs[0][0] == '*' || contextbufs[0][0] == '@')
	    treeinsert (ichartosstr (strtosichar (contextbufs[0] + 1, 0), 1),
			(100 + 4 * 20 + 4), contextbufs[0][0] == '*');
	}
      if (hadnl)
	contextoffset = 0;
      else
	contextoffset += bufsize;
      if (sflag)
	{
	  stop ();
	}
    }
}

void
lookharder (char *string)
{
  register char *g;
  register char *s;
  for (s = string; *s != '\0'; s++)
    {
      if (*s == '*')
	{
	  *g++ = '.';
	}
      else
	*g++ = *s;
    }
}

/* { dg-final { scan-tree-dump-times "Duplicating join block" 3 "split-paths" } } */