{
static QBasicAtomicInt metatype_id = Q_BASIC_ATOMIC_INITIALIZER(0);
if (!metatype_id.load()) {
- int len = strlen(T::staticMetaObject.className());
+ const int len = int(strlen(T::staticMetaObject.className()));
QVarLengthArray<char, 16> classNameStar;
classNameStar.append(T::staticMetaObject.className(), len);
classNameStar.append("*\0", 2);