QThread::quit() is unreliable on Windows

#include <future>
#include <iostream>
#include <QCoreApplication>
#include <QThread>
#include <QTimer>

class TestThread : public QThread
{
public:
    ~TestThread()
    {
        quit();
        if (!wait(10000)) {
            std::cerr << "Failed to quit" << std::endl;
        }
    }

    void run() override
    {
        QObject object;
        m_promise.set_value(&object);
        QThread::run();
    }

    QObject *objectInThread() { return m_future.get(); }

private:
    std::promise<QObject*> m_promise;
    std::shared_future<QObject*> m_future = m_promise.get_future();
};

int main(int argc, char **argv)
{
    QCoreApplication app(argc, argv);

    for (int i = 0; i < 10000000; ++i) {
        std::cout << "iteration " << i << std::endl;
        TestThread t;
        t.start();
        std::promise<bool> prom;
        std::shared_future<bool> fut = prom.get_future();
        QMetaObject::invokeMethod(t.objectInThread(),
                                  [&] {
            // When we call prom.set_value we signal to the main thread to call QThread::quit()
            // on "our" thread.
            prom.set_value(true);
            // To trigger the race condition we then immediately after schedule some work
            // for the event loop.
            QTimer::singleShot(0, [] {});
        },
        Qt::QueuedConnection);
        fut.get();
    }
}