younger = second;
}
final boolean trueB = older.getParent().getTrue() == older;
BranchExpression youngerBranch = younger.getParent();
Expression youngTest = youngerBranch.getTest();
ExpressionStack other;
if (younger.getParent().get(trueB) != younger) {
youngTest = Expression.logicalNot(youngTest);
other = youngerBranch.get(trueB);
} else
other = youngerBranch.get(!trueB);
Expression test = Expression.logicalAnd(
older.getParent().getTest(), youngTest);
if (!trueB)