QSize QTabBarPrivate::minimumTabSizeHint(int index)
{
    Q_Q(QTabBar);
    // ### Qt 5: make this a protected virtual function in QTabBar
    Tab &tab = tabList[index];
    QString oldText = tab.text;
    tab.text = computeElidedText(elideMode, oldText);
    QSize size = q->tabSizeHint(index);
    tab.text = oldText;
    return size;