diff options
Diffstat (limited to 'vernac/classes.ml')
| -rw-r--r-- | vernac/classes.ml | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/vernac/classes.ml b/vernac/classes.ml index d6d4b164b..ab1892a18 100644 --- a/vernac/classes.ml +++ b/vernac/classes.ml @@ -68,7 +68,7 @@ let _ = let existing_instance glob g info = let c = global g in let info = Option.default Hints.empty_hint_info info in - let instance = Global.type_of_global_unsafe c in + let instance, _ = Global.type_of_global_in_context (Global.env ()) c in let _, r = decompose_prod_assum instance in match class_of_constr Evd.empty (EConstr.of_constr r) with | Some (_, ((tc,u), _)) -> add_instance (new_instance tc info glob |