fix CI

Author: bobzhang

jscomp/build_tests/ocamlgraph/libx/bitv.ml

@@ -595,6 +595,7 @@ let to_int64_us _ = failwith "todo"
 let of_int64_s _ = failwith "todo"
 let to_int64_s _ = failwith "todo"
 
+#if 0 then
 (* [Nativeint] *)
 let select_of f32 f64 = match Sys.word_size with
  | 32 -> (fun i -> f32 (Nativeint.to_int32 i))
@@ -608,3 +609,4 @@ let select_to f32 f64 = match Sys.word_size with
  | _ -> assert false
 let to_nativeint_s = select_to to_int32_s to_int64_s
 let to_nativeint_us = select_to to_int32_us to_int64_us
+#end

jscomp/build_tests/ocamlgraph/libx/bitv.mli

@@ -183,12 +183,13 @@ val of_int64_s : Int64.t -> t
 val to_int64_s : t -> Int64.t
 val of_int64_us : Int64.t -> t
 val to_int64_us : t -> Int64.t
+#if 0 then
 (* type [Nativeint.t] (length 32/64 with sign, 31/63 without) *)
 val of_nativeint_s : Nativeint.t -> t
 val to_nativeint_s : t -> Nativeint.t
 val of_nativeint_us : Nativeint.t -> t
 val to_nativeint_us : t -> Nativeint.t
-
+#end
 (*s Only if you know what you are doing... *)
 
 val unsafe_set : t -> int -> bool -> unit