if (VM.VerifyAssertions) VM.assert(false);
if (VM.VerifyAssertions) VM._assert(false);
  public static final int flipCode(int cc) {    switch(cc) {    case LT: return GE;    case GT: return LE;    case EQ: return NE;    case LE: return GT;    case GE: return LT;    case NE: return EQ;    }    if (VM.VerifyAssertions) VM.assert(false);    return -1;  }