From dda7d129dba6c90d642cd99cd989e5f13c0eb4b4 Mon Sep 17 00:00:00 2001
From: Emilio Jesus Gallego Arias
Date: Wed, 3 Jul 2019 12:54:37 +0200
Subject: [core] [api] Support OCaml 4.08

The changes are large due to `Pervasives` deprecation:

- the `Pervasives` module has been deprecated in favor of `Stdlib`, we
  have opted for introducing a few wrapping functions in `Util` and
  just unqualified the rest of occurrences. We avoid the shims as in
  the previous attempt.

- a bug regarding partial application have been fixed.

- some formatting functions have been deprecated, but previous
  versions don't include a replacement, thus the warning has been
  disabled.

We may want to clean up things a bit more, in particular
w.r.t. modules once we can move to OCaml 4.07 as the minimum required
version.

Note that there is a clash between 4.08.0 modules `Option` and `Int`
and Coq's ones. It is not clear if we should resolve that clash or
not, see PR #10469 for more discussion.

On the good side, OCaml 4.08.0 does provide a few interesting
functionalities, including nice new warnings useful for devs.
---
 library/summary.ml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'library')

diff --git a/library/summary.ml b/library/summary.ml
index b3ec4c2db2..d3ae42694a 100644
--- a/library/summary.ml
+++ b/library/summary.ml
@@ -153,7 +153,7 @@ let (!) r =
     CEphemeron.get (fst !r)
 
 let ref ?(freeze=fun x -> x) ~name init =
-  let r = Pervasives.ref (CEphemeron.create init, name) in
+  let r = pervasives_ref (CEphemeron.create init, name) in
   declare_summary name
     { freeze_function = (fun ~marshallable -> freeze !r);
       unfreeze_function = ((:=) r);
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