Give the optional bytecode-only stub an explicit representation.
Give the optional bytecode-only stub an explicit representation.

sjfloat/ocaml-ctypes,fdopen/ocaml-ctypes,yallop/ocaml-ctypes,sjfloat/ocaml-ctypes,whitequark/ocaml-ctypes,dsheets/ocaml-ctypes,whitequark/ocaml-ctypes,sjfloat/ocaml-ctypes,fdopen/ocaml-ctypes,dsheets/ocaml-ctypes,ocamllabs/ocaml-ctypes,whitequark/ocaml-ctypes,yallop/ocaml-ctypes,dsheets/ocaml-ctypes,ocamllabs/ocaml-ctypes,fdopen/ocaml-ctypes