Crash while settingPersistentStoragePath

int main(int argc, char** argv)
{
QApplication app(argc, argv);
QWebEngineProfile* p = QWebEngineProfile::defaultProfile();
QWebEngineView page ;
page.load(QUrl("qrc:/file.html"));
p->setPersistentStoragePath(QStandardPaths::writableLocation(QStandardPaths::CacheLocation);
return app.exec();
}