qtwayland: use-after-free in autogenerated qwayland-server-wayland.cpp

void wl_region::destroy_func(struct ::wl_resource *client_resource)
    {
        Resource *resource = Resource::fromResource(client_resource);
        Q_ASSERT(resource);
        wl_region *that = resource->region_object;
        if (Q_LIKELY(that)) {
            that->m_resource_map.remove(resource->client(), resource);
            that->region_destroy_resource(resource);
            if (that->m_resource == resource)\n");
                that->m_resource = nullptr;\n");
        }
        delete resource;
    }

void Region::region_destroy_resource(Resource *)
{
    delete this;
}