anchor.diff:    Expect.equals(true, m1 < 0);
     Expect.equals(false, 0 < m1);
     Expect.equals(false, m1 < m1);
  -}
  -
  +
  +  Expect.equals(true, minus1() < 0);
  +  Expect.equals(false, 0 < minus1());
  +  Expect.equals(false, minus1() < minus1());
  +}
  +
  +@NoInline()
   void lessEqualTest() {
     var m1 = minus1();
     Expect.equals(true, 1 <= 2);
  
positive.code:   Expect.equals(0, one() - one());
  }
  
  void mulTest() {
    var m1 = 0 - 1;
    Expect.equals(0, 0 * 0);
  
negative.code:   Expect.equals(false, m1 > 0);
    Expect.equals(true, 0 > m1);
    Expect.equals(false, m1 > m1);
  
    Expect.equals(false, minus1() > 0);
    Expect.equals(true, 0 > minus1());
    Expect.equals(false, minus1() > minus1());
  }
  
  @NoInline()
  void greaterEqualTest() {
    var m1 = minus1();
    Expect.equals(false, 1 >= 2);
  