QImage::reinterpretAsFormat wrong reference counting when out of memory

poPreparedImage = new QImage(oQImage);
if (!poPreparedImage->reinterpretAsFormat(QImage::Format::Format_ARGB32_Premultiplied))
{
	// Error due to low memory
	delete poPreparedImage;
	// After this the data pointer in oQImage is deleted and the object is corrupt
}

void QImage::detach()
{
    if (d) {
        if (d->is_cached && d->ref.loadRelaxed() == 1)
            QImagePixmapCleanupHooks::executeImageHooks(cacheKey());        if (d->ref.loadRelaxed() != 1 || d->ro_data)
            *this = copy();        if (d)
            ++d->detach_no;
    }
}

bool QImage::reinterpretAsFormat(Format format)
{
    if (!d)
        return false;
    if (d->format == format)
        return true;
    if (qt_depthForFormat(format) != qt_depthForFormat(d->format))
        return false;
    if (!isDetached()) { // Detach only if shared, not for read-only data.
        QImageData *oldD = d;
        detach();
        // In case detach() ran out of memory
        if (!d) {
            d = oldD;
            return false;
        }
    }    d->format = format;
    return true;
}