(%function-name x))
(#.sb!vm:funcallable-instance-header-type
(typecase x
+ ;; FIXME: byte compiler to go away completely
+ #|
(byte-function
(sb!c::byte-function-name x))
(byte-closure
(sb!c::byte-function-name (byte-closure-function x)))
+ |#
(t ;; funcallable-instance
(%function-name
(funcallable-instance-function x))))))))