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-rw-r--r--pretyping/patternops.ml4
1 files changed, 2 insertions, 2 deletions
diff --git a/pretyping/patternops.ml b/pretyping/patternops.ml
index 5e4e5eb97..d695e8a45 100644
--- a/pretyping/patternops.ml
+++ b/pretyping/patternops.ml
@@ -203,7 +203,7 @@ let instantiate_pattern sigma lvar c =
let rec aux vars = function
| PVar id as x ->
(try
- let ctx,c = List.assoc id lvar in
+ let ctx,c = Id.Map.find id lvar in
try
let inst =
List.map (fun id -> mkRel (List.index (Name id) vars)) ctx in
@@ -213,7 +213,7 @@ let instantiate_pattern sigma lvar c =
let vars =
List.map_filter (function Name id -> Some id | _ -> None) vars in
error_instantiate_pattern id (List.subtract ctx vars)
- with Not_found (* List.assoc failed *) ->
+ with Not_found (* Map.find failed *) ->
x)
| (PFix _ | PCoFix _) -> error ("Non instantiable pattern.")
| c ->