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-rw-r--r--pretyping/indrec.ml14
-rw-r--r--pretyping/pretyping.ml10
2 files changed, 15 insertions, 9 deletions
diff --git a/pretyping/indrec.ml b/pretyping/indrec.ml
index 92573a94fe..fb45be6635 100644
--- a/pretyping/indrec.ml
+++ b/pretyping/indrec.ml
@@ -156,7 +156,7 @@ let type_rec_branch is_rec dep env sigma (vargs,depPvect,decP) tyi cs recargs =
| Prod (n,t,c) ->
let d = (n,None,t) in
make_prod env (n,t,prec (push_rel d env) (i+1) (d::sign) c)
- | LetIn (n,b,t,c) ->
+ | LetIn (n,b,t,c) when List.is_empty largs ->
let d = (n,Some b,t) in
mkLetIn (n,b,t,prec (push_rel d env) (i+1) (d::sign) c)
| Ind (_,_) ->
@@ -167,7 +167,10 @@ let type_rec_branch is_rec dep env sigma (vargs,depPvect,decP) tyi cs recargs =
base [|applist (mkRel (i+1), Context.Rel.to_extended_list 0 sign)|]
else
base
- | _ -> assert false
+ | _ ->
+ let t' = whd_betadeltaiota env sigma p in
+ if Term.eq_constr p' t' then assert false
+ else prec env i sign t'
in
prec env 0 []
in
@@ -231,14 +234,17 @@ let make_rec_branch_arg env sigma (nparrec,fvect,decF) f cstr recargs =
| Prod (n,t,c) ->
let d = (n,None,t) in
mkLambda_name env (n,t,prec (push_rel d env) (i+1) (d::hyps) c)
- | LetIn (n,b,t,c) ->
+ | LetIn (n,b,t,c) when List.is_empty largs ->
let d = (n,Some b,t) in
mkLetIn (n,b,t,prec (push_rel d env) (i+1) (d::hyps) c)
| Ind _ ->
let realargs = List.skipn nparrec largs
and arg = appvect (mkRel (i+1), Context.Rel.to_extended_vect 0 hyps) in
applist(lift i fk,realargs@[arg])
- | _ -> assert false
+ | _ ->
+ let t' = whd_betadeltaiota env sigma p in
+ if Term.eq_constr t' p' then assert false
+ else prec env i hyps t'
in
prec env 0 []
in
diff --git a/pretyping/pretyping.ml b/pretyping/pretyping.ml
index 6166fffbc1..11fba7b941 100644
--- a/pretyping/pretyping.ml
+++ b/pretyping/pretyping.ml
@@ -133,12 +133,12 @@ let interp_universe_level_name evd (loc,s) =
in evd, level
else
try
- let id =
- try Id.of_string s with _ -> raise Not_found in
- evd, Idmap.find id names
+ let level = Evd.universe_of_name evd s in
+ evd, level
with Not_found ->
- try let level = Evd.universe_of_name evd s in
- evd, level
+ try
+ let id = try Id.of_string s with _ -> raise Not_found in
+ evd, Idmap.find id names
with Not_found ->
if not (is_strict_universe_declarations ()) then
new_univ_level_variable ~name:s univ_rigid evd