1  /* PR 6534 */
       2  /* GCSE unified the two i<0 tests, but if-conversion to ui=abs(i) 
       3     insertted the code at the wrong place corrupting the i<0 test.  */
       4  
       5  void abort (void);
       6  static char *
       7  inttostr (long i, char buf[128])
       8  {
       9    unsigned long ui = i;
      10    char *p = buf + 127;
      11    *p = '\0';
      12    if (i < 0)
      13      ui = -ui;
      14    do
      15      *--p = '0' + ui % 10;
      16    while ((ui /= 10) != 0);
      17    if (i < 0)
      18      *--p = '-';
      19    return p;
      20  }
      21  
      22  int
      23  main ()
      24  {
      25    char buf[128], *p;
      26  
      27    p = inttostr (-1, buf);
      28    if (*p != '-')
      29      abort ();
      30    return 0;
      31  }