diff options
Diffstat (limited to 'pretyping/unification.ml')
| -rw-r--r-- | pretyping/unification.ml | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/pretyping/unification.ml b/pretyping/unification.ml index e68961da7..98fd658f2 100644 --- a/pretyping/unification.ml +++ b/pretyping/unification.ml @@ -488,7 +488,8 @@ let key_of env b flags f = Id.Pred.mem id (fst flags.modulo_delta) -> Some (IsKey (VarKey id)) | Proj (p, c) when Projection.unfolded p - || Cpred.mem (Projection.constant p) (snd flags.modulo_delta) -> + || (is_transparent env (ConstKey (Projection.constant p)) && + (Cpred.mem (Projection.constant p) (snd flags.modulo_delta))) -> Some (IsProj (p, c)) | _ -> None |