1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-dom2-details -w --param logical-op-non-short-circuit=1 -fdisable-tree-threadfull1" } */
       3  unsigned char
       4  validate_subreg (unsigned int offset, unsigned int isize, unsigned int osize, int zz, int qq)
       5  {
       6  if (osize >= (((zz & (1L << 2)) != 0) ? 8 : 4) && isize >= osize)
       7      ;
       8    else if (qq == 99)
       9   return 0;
      10    if (osize > isize)
      11      return offset == 0;
      12    return 1;
      13  }
      14  /* When we test isize >= osize in the first IF conditional and it is
      15     false and qq != 99, then we can thread the osize > isize test of
      16     the second conditional.  */
      17  /* { dg-final { scan-tree-dump-times "Threaded" 1 "dom2"} } */