UndefinedBehaviorSanitizer (on FreeBSD)

07:21:34 /usr/home/jenkins/workspace/default_Review_FreeBSD/build/test/qt/Test_core_DiagnosisModel_autogen/include/test_DiagnosisModel.moc:147:28: runtime error: member access within address 0x6080000003a0 which does not point to an object of type 'QObjectData'
07:21:34 0x6080000003a0: note: object is of type 'QObjectPrivate'
07:21:34  07 00 00 6c  f8 27 ac 05 08 00 00 00  90 dd ff ff ff 7f 00 00  00 00 00 00 00 00 00 00  90 da a9 05
07:21:34               ^~~~~~~~~~~~~~~~~~~~~~~
07:21:34               vptr for 'QObjectPrivate'
07:21:34 SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /usr/home/jenkins/workspace/default_Review_FreeBSD/build/test/qt

const QMetaObject *test_DiagnosisModel::metaObject() const
{
    return QObject::d_ptr->metaObject ? QObject::d_ptr->dynamicMetaObject() : &staticMetaObject;
}