Notations: Enforce strong evaluation of cases_pattern_of_glob_constr.

This is because it can raise Not_found in depth and we need to catch
it at the right time.

2 files changed, 3 insertions, 0 deletions

diff --git a/lib/dAst.ml b/lib/dAst.ml
index f34ab956a3..803b2a0cff 100644
--- a/lib/dAst.ml
+++ b/lib/dAst.ml
@@ -30,6 +30,8 @@ let make ?loc v = CAst.make ?loc (Value v)
 
 let delay ?loc v = CAst.make ?loc (Thunk (Lazy.from_fun v))
 
+let force x = CAst.make ?loc:x.CAst.loc (Value (get_thunk x.v))
+
 let map f n = CAst.map (fun x -> map_thunk f x) n
 
 let map_with_loc f n =
diff --git a/lib/dAst.mli b/lib/dAst.mli
index 28c78784e6..2f58cfc41f 100644
--- a/lib/dAst.mli
+++ b/lib/dAst.mli
@@ -21,6 +21,7 @@ val get_thunk : ('a, 'b) thunk -> 'a
 
 val make : ?loc:Loc.t -> 'a -> ('a, 'b) t
 val delay : ?loc:Loc.t -> (unit -> 'a) -> ('a, [ `thunk ]) t
+val force : ('a, 'b) t -> ('a, 'b) t
 
 val map : ('a -> 'b) -> ('a, 'c) t -> ('b, 'c) t
 val map_with_loc : (?loc:Loc.t -> 'a -> 'b) -> ('a, 'c) t -> ('b, 'c) t