"Convert to Stack Variable" and "convert to Pointer" generates invalid code

Case 1. (Convert to Stack Variable)
from: QObject *obj = new QObject(this);
to: QObject obj = this;
expected: QObject obj(this);

Case 2. (Convert to Stack Variable)
from: QObject *obj = new QObject{this};
to: QObject obj;
expected: QObject obj{this};

Case 3. (Convert to Stack Variable)
from: QByteArray *buf = new QByteArray("text", 4);
to: QByteArray buf = "text", 4;
expected: QByteArray buf("text", 4);

Case 4. (Convert to Stack Variable)
from: QByteArray *buf = new QByteArray{"text", 4};
to: QByteArray buf;
expected: QByteArray buf{"text", 4};

Case 5. (Convert to Pointer)
from: QObject obj;
to: QObject *obj;
expected: QObject *obj = new QObject;

Case 6. (Convert to Pointer)
from: QObject obj{this};
to: QObject *obj{this};
expected: QObject *obj = new QObject{this};