1  /* This was an ICE in fold where we tried to fold something like,
       2  
       3       a = 0 == 0 ? 0 : 3988292384
       4  
       5     after doing if-conversion for the vectorizer.  Folding "0 == 0"
       6     should have been done before calling fold on the whole rhs of
       7     the above expression.  */
       8  
       9  /* { dg-do compile } */
      10  /* { dg-require-effective-target int32plus } */
      11  /* { dg-options "-O3 -ftree-vectorize" } */
      12  
      13  static unsigned short int crc_table[256];
      14  void AC3_encode_init(void)
      15  {
      16    unsigned int c, n, k;
      17    for(n=0;  n<256; n++)
      18    {
      19      c = n << 8;
      20      for (k = 0; k < 8; k++)
      21      {
      22        if (c & (1 << 15))
      23         c = ((c << 1) & 0xffff) ^ (((1 << 0) | (1 << 2) | (1 << 15) | (1 << 16)) & 0xffff);
      24      }
      25      crc_table[n] = c;
      26    }
      27  }