path: root/dev-ml/core_kernel/files/oc43.patch

diff -uNr core_kernel-113.33.01/check_caml_modify/caml_modify.ml core_kernel-113.33.01+4.03/check_caml_modify/caml_modify.ml
--- core_kernel-113.33.01/check_caml_modify/caml_modify.ml	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/check_caml_modify/caml_modify.ml	2016-03-22 15:15:54.000000000 +0100
@@ -1,5 +1,5 @@
-external count : unit -> int  = "check_caml_modify_count" "noalloc"
-external reset : unit -> unit = "check_caml_modify_reset" "noalloc"
+external count : unit -> int = "check_caml_modify_count" [@@noalloc]
+external reset : unit -> unit = "check_caml_modify_reset" [@@noalloc]
 
 let%test_unit _ =
   let x = Array.make (32 * 1024) [Random.int 10] in
diff -uNr core_kernel-113.33.01/check_caml_modify/caml_modify.mli core_kernel-113.33.01+4.03/check_caml_modify/caml_modify.mli
--- core_kernel-113.33.01/check_caml_modify/caml_modify.mli	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/check_caml_modify/caml_modify.mli	2016-03-22 15:15:54.000000000 +0100
@@ -6,7 +6,7 @@
 
 (** [count ()] returns the number of times [caml_modify] has been called since the last
     call to {!reset}. *)
-external count : unit -> int = "check_caml_modify_count" "noalloc"
+external count : unit -> int = "check_caml_modify_count" [@@noalloc]
 
 (** [reset ()] reset the counter to [0]. *)
-external reset : unit -> unit = "check_caml_modify_reset" "noalloc"
+external reset : unit -> unit = "check_caml_modify_reset" [@@noalloc]
diff -uNr core_kernel-113.33.01/_oasis core_kernel-113.33.01+4.03/_oasis
--- core_kernel-113.33.01/_oasis	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/_oasis	2016-03-22 15:15:54.000000000 +0100
@@ -1,8 +1,8 @@
 OASISFormat:           0.4
-OCamlVersion:          >= 4.02.3
+OCamlVersion:          >= 4.03.0
 FindlibVersion:        >= 1.3.2
 Name:                  core_kernel
-Version:               113.33.01
+Version:               113.33.01+4.03
 Synopsis:              Industrial strength alternative to OCaml's standard library
 Authors:               Jane Street Group, LLC <opensource@janestreet.com>
 Copyrights:            (C) 2008-2016 Jane Street Group LLC <opensource@janestreet.com>
diff -uNr core_kernel-113.33.01/opam core_kernel-113.33.01+4.03/opam
--- core_kernel-113.33.01/opam	2016-03-22 11:43:53.000000000 +0100
+++ core_kernel-113.33.01+4.03/opam	2016-03-22 17:51:34.000000000 +0100
@@ -25,4 +25,4 @@
   "typerep"
   "variantslib"
 ]
-available: [ ocaml-version >= "4.02.3" ]
+available: [ ocaml-version >= "4.03.0" ]
diff -uNr core_kernel-113.33.01/src/bigstring.ml core_kernel-113.33.01+4.03/src/bigstring.ml
--- core_kernel-113.33.01/src/bigstring.ml	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/bigstring.ml	2016-03-22 15:15:54.000000000 +0100
@@ -16,6 +16,8 @@
 
 external aux_create: max_mem_waiting_gc:int -> size:int -> t = "bigstring_alloc"
 
+external test_allocation : unit -> 'a = "core_bigstring_test_allocation"
+
 let create ?max_mem_waiting_gc size =
   let max_mem_waiting_gc =
     match max_mem_waiting_gc with
@@ -35,6 +37,7 @@
     let max_mem_waiting_gc = Byte_units.create mem_units 256. in
     for _ = 0 to large_int do
       let (_ : t) = create ~max_mem_waiting_gc large_int in
+      ignore (test_allocation ());  (* ensure we allocate something *)
       ()
     done;
     Alarm.delete alarm;
@@ -48,7 +51,7 @@
 
 let length = Array1.dim
 
-external is_mmapped : t -> bool = "bigstring_is_mmapped_stub" "noalloc"
+external is_mmapped : t -> bool = "bigstring_is_mmapped_stub" [@@noalloc]
 
 let init n ~f =
   let t = create n in
@@ -119,7 +122,7 @@
     (struct
       external unsafe_blit
         : src : string -> src_pos : int -> dst : t -> dst_pos : int -> len : int -> unit
-        = "bigstring_blit_string_bigstring_stub" "noalloc"
+        = "bigstring_blit_string_bigstring_stub" [@@noalloc]
       include Bigstring_sequence
     end)
 ;;
@@ -131,7 +134,7 @@
     (struct
       external unsafe_blit
         : src : t -> src_pos : int -> dst : string -> dst_pos : int -> len : int -> unit
-        = "bigstring_blit_bigstring_string_stub" "noalloc"
+        = "bigstring_blit_bigstring_string_stub" [@@noalloc]
       include String_sequence
     end)
 ;;
@@ -200,7 +203,7 @@
 
 external unsafe_memcmp
   : t1 : t -> t1_pos : int -> t2 : t -> t2_pos : int -> len : int -> int
-  = "bigstring_memcmp_stub" "noalloc"
+  = "bigstring_memcmp_stub" [@@noalloc]
 
 let compare t1 t2 =
   if phys_equal t1 t2 then 0 else
@@ -395,7 +398,7 @@
 
 (* Search *)
 
-external unsafe_find : t -> char -> pos:int -> len:int -> int = "bigstring_find" "noalloc"
+external unsafe_find : t -> char -> pos:int -> len:int -> int = "bigstring_find" [@@noalloc]
 
 let find ?(pos = 0) ?len chr bstr =
   let len = get_opt_len bstr ~pos len in
diff -uNr core_kernel-113.33.01/src/bigstring.mli core_kernel-113.33.01+4.03/src/bigstring.mli
--- core_kernel-113.33.01/src/bigstring.mli	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/bigstring.mli	2016-03-22 15:15:54.000000000 +0100
@@ -83,7 +83,7 @@
 (** [set t pos] sets the character at [pos] *)
 external set : t -> int -> char -> unit = "%caml_ba_set_1"
 
-external is_mmapped : t -> bool = "bigstring_is_mmapped_stub" "noalloc"
+external is_mmapped : t -> bool = "bigstring_is_mmapped_stub" [@@noalloc]
 (** [is_mmapped bstr] @return whether the bigstring [bstr] is
     memory-mapped. *)
 
@@ -159,7 +159,7 @@
 
 (** Same as [find], but does no bounds checking, and returns a negative value instead of
     [None] if [char] is not found. *)
-external unsafe_find : t -> char -> pos:int -> len:int -> int = "bigstring_find" "noalloc"
+external unsafe_find : t -> char -> pos:int -> len:int -> int = "bigstring_find" [@@noalloc]
 
 
 (** {6 Destruction} *)
diff -uNr core_kernel-113.33.01/src/bigstring_stubs.c core_kernel-113.33.01+4.03/src/bigstring_stubs.c
--- core_kernel-113.33.01/src/bigstring_stubs.c	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/bigstring_stubs.c	2016-03-22 15:15:54.000000000 +0100
@@ -202,3 +202,14 @@
   core_bigstring_destroy(Caml_ba_array_val(v_bstr), 0);
   return Val_unit;
 }
+
+CAMLprim value core_bigstring_test_allocation(value v_unit)
+{
+  int i;
+  value v;
+  v_unit = v_unit;
+  for (i = 0; i < 20; i++) { 
+    v = caml_alloc_small(100, 0);
+  }
+  return v;
+}
diff -uNr core_kernel-113.33.01/src/core_array.ml core_kernel-113.33.01+4.03/src/core_array.ml
--- core_kernel-113.33.01/src/core_array.ml	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/core_array.ml	2016-03-22 15:15:54.000000000 +0100
@@ -937,7 +937,7 @@
     module Unsafe_blit = struct
       external unsafe_blit
         : src:t_ -> src_pos:int -> dst:t_ -> dst_pos:int -> len:int -> unit
-        = "core_array_unsafe_int_blit" "noalloc"
+        = "core_array_unsafe_int_blit" [@@noalloc]
     end
 
     include
@@ -966,7 +966,7 @@
     module Unsafe_blit = struct
       external unsafe_blit
         : src:t_ -> src_pos:int -> dst:t_ -> dst_pos:int -> len:int -> unit
-        = "core_array_unsafe_float_blit" "noalloc"
+        = "core_array_unsafe_float_blit" [@@noalloc]
     end
 
     include
@@ -1131,7 +1131,7 @@
 
     external unsafe_blit
       : src:[> read] t -> src_pos:int -> dst:[> write] t -> dst_pos:int -> len:int -> unit
-      = "core_array_unsafe_int_blit" "noalloc"
+      = "core_array_unsafe_int_blit" [@@noalloc]
   end
 
   module Float : sig
@@ -1141,7 +1141,7 @@
 
     external unsafe_blit
       : src:[> read] t -> src_pos:int -> dst:[> write] t -> dst_pos:int -> len:int -> unit
-      = "core_array_unsafe_float_blit" "noalloc"
+      = "core_array_unsafe_float_blit" [@@noalloc]
   end
 
   val of_array_id : 'a array -> ('a, [< read_write]) t
diff -uNr core_kernel-113.33.01/src/core_array.mli core_kernel-113.33.01+4.03/src/core_array.mli
--- core_kernel-113.33.01/src/core_array.mli	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/core_array.mli	2016-03-22 15:15:54.000000000 +0100
@@ -97,7 +97,7 @@
 
   external unsafe_blit
     : src:t -> src_pos:int -> dst:t -> dst_pos:int -> len:int -> unit
-    = "core_array_unsafe_int_blit" "noalloc"
+    = "core_array_unsafe_int_blit" [@@noalloc]
 end
 
 module Float : sig
@@ -107,7 +107,7 @@
 
   external unsafe_blit
     : src:t -> src_pos:int -> dst:t -> dst_pos:int -> len:int -> unit
-    = "core_array_unsafe_float_blit" "noalloc"
+    = "core_array_unsafe_float_blit" [@@noalloc]
 end
 
 (** [Array.of_list l] returns a fresh array containing the elements of [l]. *)
@@ -332,7 +332,7 @@
 
     external unsafe_blit
       : src:[> read] t -> src_pos:int -> dst:[> write] t -> dst_pos:int -> len:int -> unit
-      = "core_array_unsafe_int_blit" "noalloc"
+      = "core_array_unsafe_int_blit" [@@noalloc]
   end
 
   module Float : sig
@@ -342,7 +342,7 @@
 
     external unsafe_blit
       : src:[> read] t -> src_pos:int -> dst:[> write] t -> dst_pos:int -> len:int -> unit
-      = "core_array_unsafe_float_blit" "noalloc"
+      = "core_array_unsafe_float_blit" [@@noalloc]
   end
 
   (** [of_array_id] and [to_array_id] return the same underlying array.  On the other
diff -uNr core_kernel-113.33.01/src/core_gc.ml core_kernel-113.33.01+4.03/src/core_gc.ml
--- core_kernel-113.33.01/src/core_gc.ml	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/core_gc.ml	2016-03-22 15:15:54.000000000 +0100
@@ -83,6 +83,7 @@
           the first-fit policy, which can be slower in some cases but can be better for
           programs with fragmentation problems.  Default: 0. *)
       mutable allocation_policy : int;
+      window_size : int;
     } [@@deriving compare, bin_io, sexp, fields]
   end
 
@@ -91,7 +92,8 @@
 end
 
 let tune ?logger ?minor_heap_size ?major_heap_increment ?space_overhead
-      ?verbose ?max_overhead ?stack_limit ?allocation_policy () =
+      ?verbose ?max_overhead ?stack_limit ?allocation_policy
+      ?window_size () =
   let module Field = Fieldslib.Field in
   let old_control_params = get () in
   let f opt to_string field =
@@ -113,6 +115,7 @@
       ~max_overhead:        (f max_overhead         string_of_int)
       ~stack_limit:         (f stack_limit          string_of_int)
       ~allocation_policy:   (f allocation_policy    string_of_int)
+      ~window_size:         (f window_size          string_of_int)
   in
   set new_control_params
 ;;
@@ -141,14 +144,14 @@
 ;;
 
 external minor_words : unit -> int = "core_kernel_gc_minor_words"
-external major_words : unit -> int = "core_kernel_gc_major_words" "noalloc"
-external promoted_words : unit -> int = "core_kernel_gc_promoted_words" "noalloc"
-external minor_collections : unit -> int = "core_kernel_gc_minor_collections" "noalloc"
-external major_collections : unit -> int = "core_kernel_gc_major_collections" "noalloc"
-external heap_words : unit -> int = "core_kernel_gc_heap_words" "noalloc"
-external heap_chunks : unit -> int = "core_kernel_gc_heap_chunks" "noalloc"
-external compactions : unit -> int = "core_kernel_gc_compactions" "noalloc"
-external top_heap_words : unit -> int = "core_kernel_gc_top_heap_words" "noalloc"
+external major_words : unit -> int = "core_kernel_gc_major_words" [@@noalloc]
+external promoted_words : unit -> int = "core_kernel_gc_promoted_words" [@@noalloc]
+external minor_collections : unit -> int = "core_kernel_gc_minor_collections" [@@noalloc]
+external major_collections : unit -> int = "core_kernel_gc_major_collections" [@@noalloc]
+external heap_words : unit -> int = "core_kernel_gc_heap_words" [@@noalloc]
+external heap_chunks : unit -> int = "core_kernel_gc_heap_chunks" [@@noalloc]
+external compactions : unit -> int = "core_kernel_gc_compactions" [@@noalloc]
+external top_heap_words : unit -> int = "core_kernel_gc_top_heap_words" [@@noalloc]
 
 external major_plus_minor_words : unit -> int = "core_kernel_gc_major_plus_minor_words"
 
diff -uNr core_kernel-113.33.01/src/core_gc.mli core_kernel-113.33.01+4.03/src/core_gc.mli
--- core_kernel-113.33.01/src/core_gc.mli	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/core_gc.mli	2016-03-22 15:15:54.000000000 +0100
@@ -148,6 +148,7 @@
         first-fit policy, which can be slower in some cases but
         can be better for programs with fragmentation problems.
         Default: 0. *)
+    window_size : int;
   }
   [@@deriving bin_io, sexp, fields]
 
@@ -185,21 +186,21 @@
     (%r15 on x86-64) to the global variable [caml_young_ptr] before the C stub tries to
     read its value. *)
 external minor_words       : unit -> int = "core_kernel_gc_minor_words"
-external major_words       : unit -> int = "core_kernel_gc_major_words"       "noalloc"
-external promoted_words    : unit -> int = "core_kernel_gc_promoted_words"    "noalloc"
-external minor_collections : unit -> int = "core_kernel_gc_minor_collections" "noalloc"
-external major_collections : unit -> int = "core_kernel_gc_major_collections" "noalloc"
-external heap_words        : unit -> int = "core_kernel_gc_heap_words"        "noalloc"
-external heap_chunks       : unit -> int = "core_kernel_gc_heap_chunks"       "noalloc"
-external compactions       : unit -> int = "core_kernel_gc_compactions"       "noalloc"
-external top_heap_words    : unit -> int = "core_kernel_gc_top_heap_words"    "noalloc"
+external major_words       : unit -> int = "core_kernel_gc_major_words"       [@@noalloc]
+external promoted_words    : unit -> int = "core_kernel_gc_promoted_words"    [@@noalloc]
+external minor_collections : unit -> int = "core_kernel_gc_minor_collections" [@@noalloc]
+external major_collections : unit -> int = "core_kernel_gc_major_collections" [@@noalloc]
+external heap_words        : unit -> int = "core_kernel_gc_heap_words"        [@@noalloc]
+external heap_chunks       : unit -> int = "core_kernel_gc_heap_chunks"       [@@noalloc]
+external compactions       : unit -> int = "core_kernel_gc_compactions"       [@@noalloc]
+external top_heap_words    : unit -> int = "core_kernel_gc_top_heap_words"    [@@noalloc]
 
 (** This function returns [major_words () + minor_words ()].  It exists purely for speed
     (one call into C rather than two).  Like [major_words] and [minor_words],
     [major_plus_minor_words] avoids allocating a [stat] record or a float, and may
     overflow on 32-bit machines.
 
-    This function is not marked ["noalloc"] to ensure that the allocation pointer is
+    This function is not marked [[@@noalloc]] to ensure that the allocation pointer is
     up-to-date when the minor-heap measurement is made.
 *)
 external major_plus_minor_words : unit -> int = "core_kernel_gc_major_plus_minor_words"
@@ -256,6 +257,7 @@
   -> ?max_overhead         : int
   -> ?stack_limit          : int
   -> ?allocation_policy    : int
+  -> ?window_size          : int
   -> unit
   -> unit
 
diff -uNr core_kernel-113.33.01/src/core_gc_stubs.c core_kernel-113.33.01+4.03/src/core_gc_stubs.c
--- core_kernel-113.33.01/src/core_gc_stubs.c	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/core_gc_stubs.c	2016-03-22 15:15:54.000000000 +0100
@@ -11,8 +11,8 @@
 
 extern intnat caml_stat_minor_collections;
 extern intnat caml_stat_major_collections;
-extern intnat caml_stat_heap_size;
-extern intnat caml_stat_top_heap_size;
+extern intnat caml_stat_heap_wsz;
+extern intnat caml_stat_top_heap_wsz;
 extern intnat caml_stat_compactions;
 extern intnat caml_stat_heap_chunks;
 
@@ -54,7 +54,7 @@
 
 CAMLprim value core_kernel_gc_heap_words(value unit __attribute__((unused)))
 {
-  return Val_long(caml_stat_heap_size / sizeof (value));
+  return Val_long(caml_stat_heap_wsz);
 }
 
 CAMLprim value core_kernel_gc_heap_chunks(value unit __attribute__((unused)))
@@ -69,7 +69,7 @@
 
 CAMLprim value core_kernel_gc_top_heap_words(value unit __attribute__((unused)))
 {
-  return Val_long(caml_stat_top_heap_size / sizeof (value));
+  return Val_long(caml_stat_top_heap_wsz);
 }
 
 CAMLprim value core_kernel_gc_major_plus_minor_words(value unit __attribute__((unused)))
diff -uNr core_kernel-113.33.01/src/core_pervasives.mli core_kernel-113.33.01+4.03/src/core_pervasives.mli
--- core_kernel-113.33.01/src/core_pervasives.mli	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/core_pervasives.mli	2016-03-22 15:15:54.000000000 +0100
@@ -417,8 +417,8 @@
    zero.  When [f] is non-zero, they are defined by
    [f = x *. 2 ** n] and [0.5 <= x < 1.0]. *)
 
-external ldexp : float -> int -> float = "caml_ldexp_float"
-  [@@deprecated "[since 2014-10] Use [Float]"]
+external ldexp : (float [@unboxed]) -> (int [@untagged]) -> (float [@unboxed]) =
+  "caml_ldexp_float" "caml_ldexp_float_unboxed" [@@noalloc]
 (** [ldexp x n] returns [x *. 2 ** n]. *)
 
 external modf : float -> float * float = "caml_modf_float"
@@ -480,7 +480,8 @@
 (** The five classes of floating-point numbers, as determined by
    the {!Pervasives.classify_float} function. *)
 
-external classify_float : float -> fpclass = "caml_classify_float"
+external classify_float : (float [@unboxed]) -> fpclass =
+  "caml_classify_float" "caml_classify_float_unboxed" [@@noalloc]
   [@@deprecated "[since 2014-10] Use [Float]"]
 (** Return the class of the given floating-point number:
    normal, subnormal, zero, infinite, or not a number. *)
@@ -953,6 +954,10 @@
    Equivalent to [fun r -> r := pred !r]. *)
 
 
+(* Result type *)
+
+type ('a,'b) result = ('a, 'b) Pervasives.result = Ok of 'a | Error of 'b
+
 (** {6 Operations on format strings} *)
 
 (** Format strings are character strings with special lexical conventions
@@ -1054,7 +1059,6 @@
   [f1], then results from [f2].
 *)
 
-
 (** {6 Program termination} *)
 
 val exit : int -> 'a
diff -uNr core_kernel-113.33.01/src/core_string.ml core_kernel-113.33.01+4.03/src/core_string.ml
--- core_kernel-113.33.01/src/core_string.ml	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/core_string.ml	2016-03-22 15:15:54.000000000 +0100
@@ -949,7 +949,7 @@
    divergence is to expose the macro redefined in hash_stubs.c in the hash.h header of
    the OCaml compiler.) *)
 module Hash = struct
-  external hash : string -> int = "caml_hash_string" "noalloc"
+  external hash : string -> int = "caml_hash_string" [@@noalloc]
 
   let%test_unit _ =
     List.iter ~f:(fun string -> assert (hash string = Caml.Hashtbl.hash string))
diff -uNr core_kernel-113.33.01/src/core_string.mli core_kernel-113.33.01+4.03/src/core_string.mli
--- core_kernel-113.33.01/src/core_string.mli	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/core_string.mli	2016-03-22 15:15:54.000000000 +0100
@@ -269,7 +269,7 @@
 val concat_array : ?sep : t -> t array -> t
 
 (** slightly faster hash function on strings *)
-external hash : t -> int = "caml_hash_string" "noalloc"
+external hash : t -> int = "caml_hash_string" [@@noalloc]
 
 (** fast equality function on strings, doesn't use compare_val *)
 val equal : t -> t -> bool
diff -uNr core_kernel-113.33.01/src/exn.ml core_kernel-113.33.01+4.03/src/exn.ml
--- core_kernel-113.33.01/src/exn.ml	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/exn.ml	2016-03-22 15:15:54.000000000 +0100
@@ -112,7 +112,8 @@
   try func () with
   | exn -> raise (Reraised (str, exn))
 
-external clear_backtrace : unit -> unit = "clear_caml_backtrace_pos" "noalloc"
+external clear_backtrace : unit -> unit = "clear_caml_backtrace_pos" [@@noalloc]
+
 let raise_without_backtrace e =
   (* We clear the backtrace to reduce confusion, so that people don't think whatever
      is stored corresponds to this raise. *)
diff -uNr core_kernel-113.33.01/src/float.ml core_kernel-113.33.01+4.03/src/float.ml
--- core_kernel-113.33.01/src/float.ml	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/float.ml	2016-03-22 15:15:54.000000000 +0100
@@ -15,7 +15,7 @@
   type t = float [@@deriving sexp, bin_io, typerep]
   let compare (x : t) y = compare x y
   let equal (x : t) y = x = y
-  external hash : float -> int = "caml_hash_double" "noalloc"
+  external hash : float -> int = "caml_hash_double" [@@noalloc]
 
   let%test_unit _ =
     List.iter ~f:(fun float -> assert (hash float = Caml.Hashtbl.hash float))
@@ -381,6 +381,7 @@
     else
       invalid_argf "Float.iround_up_exn: argument (%f) is too small or NaN" (box t) ()
   end
+[@@ocaml.inline always]
 
 let iround_down t =
   if t >= 0.0 then begin
@@ -409,6 +410,7 @@
     else
       invalid_argf "Float.iround_down_exn: argument (%f) is too small or NaN" (box t) ()
   end
+[@@ocaml.inline always]
 
 let iround_towards_zero t =
   if t >= iround_lbound && t <= iround_ubound then
@@ -481,6 +483,7 @@
       else
         invalid_argf "Float.iround_nearest_exn: argument (%f) is too small or NaN" (box t)
           ()
+[@@ocaml.inline always]
 
 (* The following [iround_exn] and [iround] functions are slower than the ones above.
    Their equivalence to those functions is tested in the unit tests below. *)
diff -uNr core_kernel-113.33.01/src/heap_block.ml core_kernel-113.33.01+4.03/src/heap_block.ml
--- core_kernel-113.33.01/src/heap_block.ml	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/heap_block.ml	2016-03-22 15:15:54.000000000 +0100
@@ -1,6 +1,6 @@
 type 'a t = 'a [@@deriving sexp_of]
 
-external is_heap_block : Obj.t -> bool = "core_heap_block_is_heap_block" "noalloc"
+external is_heap_block : Obj.t -> bool = "core_heap_block_is_heap_block" [@@noalloc]
 
 let is_ok v = is_heap_block (Obj.repr v)
 
diff -uNr core_kernel-113.33.01/src/int_math.ml core_kernel-113.33.01+4.03/src/int_math.ml
--- core_kernel-113.33.01/src/int_math.ml	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/int_math.ml	2016-03-22 15:15:54.000000000 +0100
@@ -8,7 +8,7 @@
   Core_printf.invalid_argf "integer overflow in pow" ()
 
 (* To implement [int64_pow], we use C code rather than OCaml to eliminate allocation. *)
-external int_math_int_pow   : int   -> int   -> int   = "int_math_int_pow_stub" "noalloc"
+external int_math_int_pow   : int   -> int   -> int   = "int_math_int_pow_stub" [@@noalloc]
 external int_math_int64_pow : int64 -> int64 -> int64 = "int_math_int64_pow_stub"
 
 let int_pow base exponent =
diff -uNr core_kernel-113.33.01/src/META core_kernel-113.33.01+4.03/src/META
--- core_kernel-113.33.01/src/META	2016-03-22 11:43:53.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/META	2016-03-22 17:51:34.000000000 +0100
@@ -1,6 +1,6 @@
 # OASIS_START
-# DO NOT EDIT (digest: decb3f50ccea06803a171b5aba7b36dd)
-version = "113.33.01"
+# DO NOT EDIT (digest: f5e86cbda47f50180165621f5cbe2d8d)
+version = "113.33.01+4.03"
 description = "Industrial strength alternative to OCaml's standard library"
 requires =
 "bin_prot fieldslib num ppx_assert.runtime-lib ppx_bench.runtime-lib ppx_expect.collector ppx_inline_test.runtime-lib result sexplib typerep variantslib"
diff -uNr core_kernel-113.33.01/src/obj_array.ml core_kernel-113.33.01+4.03/src/obj_array.ml
--- core_kernel-113.33.01/src/obj_array.ml	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/obj_array.ml	2016-03-22 15:15:54.000000000 +0100
@@ -33,16 +33,22 @@
 
 let empty = [||]
 
+type not_a_float = Not_a_float_0 | Not_a_float_1 of int
+let _not_a_float_0 = Not_a_float_0
+let _not_a_float_1 = Not_a_float_1 42
+
 let get t i =
-  (* Make the compiler believe [a] is an integer array so it does not check if [a] is
-     tagged with [Double_array_tag]. *)
-  Obj.repr (Array.get (Obj.magic (t : t) : int array) i : int)
+  (* Make the compiler believe [a] is an array not containing floats so it does not
+     check if [a] is tagged with [Double_array_tag].  It is NOT ok to use "int array"
+     since (if this function is inlined and the array contains in-heap boxed values)
+     wrong register typing may result, leading to a failure to register necessary
+     GC roots. *)
+  Obj.repr (Array.get (Obj.magic (t : t) : not_a_float array) i : not_a_float)
 ;;
 
 let unsafe_get t i =
-  (* Make the compiler believe [a] is an integer array so it does not check if [a] is
-     tagged with [Double_array_tag]. *)
-  Obj.repr (Array.unsafe_get (Obj.magic (t : t) : int array) i : int)
+  (* See comment on [get]. *)
+  Obj.repr (Array.unsafe_get (Obj.magic (t : t) : not_a_float array) i : not_a_float)
 ;;
 
 (* For [set] and [unsafe_set], if a pointer is involved, we first do a physical-equality
diff -uNr core_kernel-113.33.01/src/time_ns.ml core_kernel-113.33.01+4.03/src/time_ns.ml
--- core_kernel-113.33.01/src/time_ns.ml	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/time_ns.ml	2016-03-22 15:15:54.000000000 +0100
@@ -419,7 +419,7 @@
 
 #if JSC_ARCH_SIXTYFOUR
   external since_unix_epoch_or_zero : unit -> t
-    = "core_kernel_time_ns_gettime_or_zero" "noalloc"
+    = "core_kernel_time_ns_gettime_or_zero" [@@noalloc]
 #else
   external since_unix_epoch_or_zero : unit -> t
     = "core_kernel_time_ns_gettime_or_zero"
diff -uNr core_kernel-113.33.01/src/type_equal.ml core_kernel-113.33.01+4.03/src/type_equal.ml
--- core_kernel-113.33.01/src/type_equal.ml	2016-03-22 11:37:07.000000000 +0100
+++ core_kernel-113.33.01+4.03/src/type_equal.ml	2016-03-22 15:15:54.000000000 +0100
@@ -64,7 +64,8 @@
       type _ t = ..
 
       let sexp_of_t _sexp_of_a t =
-        (`type_witness (Obj.extension_id t)) |> [%sexp_of: [ `type_witness of int ]]
+        (`type_witness (Obj.extension_id (Obj.extension_constructor t)))
+        |> [%sexp_of: [ `type_witness of int ]]
       ;;
     end
 
@@ -87,7 +88,8 @@
       (module M : S with type t = t)
     ;;
 
-    let uid (type a) (module M : S with type t = a) = Obj.extension_id M.Key
+    let uid (type a) (module M : S with type t = a) =
+      Obj.extension_id (Obj.extension_constructor M.Key)
 
     (* We want a constant allocated once that [same] can return whenever it gets the same
        witnesses.  If we write the constant inside the body of [same], the native-code