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-rw-r--r--pretyping/cases.ml12
1 files changed, 6 insertions, 6 deletions
diff --git a/pretyping/cases.ml b/pretyping/cases.ml
index c2c8065a9..56f5d521a 100644
--- a/pretyping/cases.ml
+++ b/pretyping/cases.ml
@@ -2223,14 +2223,14 @@ let build_ineqs evdref prevpatterns pats liftsign =
(Some ([], 0, 0, [])) eqnpats pats
in match acc with
None -> c
- | Some (sign, len, _, c') ->
- let conj = it_mkProd_or_LetIn (mk_coq_not (mk_coq_and c'))
- (lift_rel_context liftsign sign)
- in
- conj :: c)
+ | Some (sign, len, _, c') ->
+ let sigma, conj = mk_coq_and !evdref c' in
+ let sigma, neg = mk_coq_not sigma conj in
+ let conj = it_mkProd_or_LetIn neg (lift_rel_context liftsign sign) in
+ evdref := sigma; conj :: c)
[] prevpatterns
in match diffs with [] -> None
- | _ -> Some (mk_coq_and diffs)
+ | _ -> Some (let sigma, conj = mk_coq_and !evdref diffs in evdref := sigma; conj)
let constrs_of_pats typing_fun env evdref eqns tomatchs sign neqs arity =
let i = ref 0 in