QCoreApplication::startingUp() is never false without a QApplication

#include <QtGui>

int main(int argc, char** argv) 
{ 
    qDebug() << "Before QCoreApp c'tor" << QCoreApplication::startingUp();
    {
        QCoreApplication coreapp(argc, argv); 
        qDebug() << "After QCoreApp c'tor" << QCoreApplication::startingUp();
    }
    qDebug() << "After QCoreApp d'tor" << QCoreApplication::startingUp();
    {
        QApplication app(argc, argv); 
        qDebug() << "After QApp c'tor" << QCoreApplication::startingUp();
    }
    qDebug() << "After QApp d'tor" << QCoreApplication::startingUp();
   
    return 0; 
}