_entry_brand
if (!_entry_brand_may_be(dest_d, _entry_brand(src_d))) {
_entry_brand_as(dest_d, _entry_brand(src_d));
switch (_entry_brand(a)) {
if (_entry_brand(entry_d) != _acl_brand(acl)) {
assert(_entry_brand(entry) == ACL_BRAND_NFS4);
assert(_entry_brand(entry_new) == ACL_BRAND_POSIX);
assert(_entry_brand(entry) == ACL_BRAND_POSIX);
assert(_entry_brand(a) == ACL_BRAND_POSIX);
assert(_entry_brand(b) == ACL_BRAND_POSIX);
int _entry_brand(const acl_entry_t entry);
assert(_entry_brand(entry) == ACL_BRAND_NFS4);