Implicit conversion QGuiApplication

In file included from ../../../../Tools/qt/5.15.2/ios/include/QtGui/QGuiApplication:1:
In file included from ../../../../Tools/qt/5.15.2/ios/include/QtGui/qguiapplication.h:44:
In file included from ../../../../Tools/qt/5.15.2/ios/include/QtCore/qcoreapplication.h:44:
../../../../Tools/qt/5.15.2/ios/include/QtCore/qstring.h:2027:80: warning: implicit conversion loses integer precision: 'qsizetype' (aka 'long long') to 'int' [-Wshorten-64-to-32]
{ return QString::localeAwareCompare_helper(constData(), length(), s.data(), s.size()); }
 ~~~~~~~ ~~^~~~~~