Functions using QSettings crash with -fstack-protector on

#include <QCoreApplication>
#include <QSettings>
#include <QTimer>

int readSettings() {
    QSettings settings;
    return settings.value(QStringLiteral("Settings/Temp"), 1).toInt();
}

int main(int argc, char *argv[]) {
    QCoreApplication a(argc, argv);
    QCoreApplication::setApplicationName(QStringLiteral("AppName"));
    QCoreApplication::setOrganizationName(QStringLiteral("OrgName"));
    QCoreApplication::setOrganizationDomain(QStringLiteral("www.org.org"));
    QCoreApplication::setApplicationVersion(QStringLiteral("1.0"));

    volatile int i = readSettings();

    QTimer::singleShot(0, &a, &QCoreApplication::quit);
    return a.exec();
} 

QT -= gui
CONFIG += c++11 console
CONFIG -= app_bundle
SOURCES += main.cpp
QMAKE_CXXFLAGS += -fstack-protector
win32: LIBS += -lssp