QDateTime::toUTC() broken under Windows for (at least) "Europe/Moscow" time zone

#include <QCoreApplication>
#include <QDateTime>
#include <QTimeZone>

#include <iostream>

static void printQdt(const QDateTime &qdt)
{
    std::cout << qdt.toString("yyyy-MM-dd HH-mm-ss.zzz t").toStdString()
              << ", offsetFromUtc: "
              << qdt.offsetFromUtc()
              << std::endl;
}

int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);

    QDateTime point(QDate(2015, 5, 27),
                    QTime(16, 37, 00),
                    QTimeZone("Europe/Moscow"));

    printQdt(point);
    printQdt(point.toUTC());

    return a.exec();
}