1  /* { dg-options "-O3 -fgraphite-identity" } */
       2  
       3  typedef unsigned char U8;
       4  extern char test1;
       5  
       6  char *Perl_screaminstr (int, int, int);
       7  int Perl_utf8_distance (U8 *, U8 *);
       8  
       9  void
      10  Perl_re_intuit_start( int minlen,  char *strend, unsigned int flags, int i)
      11  {
      12    register int start_shift = 0;
      13    register int end_shift = 0;
      14    register char *s;
      15    char *strbeg;
      16    char *t;
      17    if(i > 0)
      18      goto success_at_start;
      19    int end = 0;
      20    int eshift = (test1 ? Perl_utf8_distance((U8*)strend,(U8*)s) : (U8*)strend - (U8*)s) - end;
      21    if (end_shift < eshift)
      22      end_shift = eshift;
      23   restart:
      24    s = Perl_screaminstr(start_shift + (s - strbeg), end_shift, 0);
      25    while( t < strend - minlen){  
      26    }
      27   success_at_start:
      28    eshift = (test1 ? Perl_utf8_distance((U8*)strend,(U8*)s) : (U8*)strend - (U8*)s) - end;
      29    goto restart;
      30  }