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-rw-r--r--pretyping/evarutil.ml1
-rw-r--r--pretyping/evarutil.mli2
-rw-r--r--pretyping/pretyping.ml1
3 files changed, 4 insertions, 0 deletions
diff --git a/pretyping/evarutil.ml b/pretyping/evarutil.ml
index a8cbe4290f..f10973afbb 100644
--- a/pretyping/evarutil.ml
+++ b/pretyping/evarutil.ml
@@ -475,3 +475,4 @@ let split_tycon loc env isevars = function
let valcon_of_tycon x = x
+let lift_tycon = option_app (lift 1)
diff --git a/pretyping/evarutil.mli b/pretyping/evarutil.mli
index 637ee8448e..c31b57a4a7 100644
--- a/pretyping/evarutil.mli
+++ b/pretyping/evarutil.mli
@@ -61,3 +61,5 @@ val split_tycon :
type_constraint * type_constraint
val valcon_of_tycon : type_constraint -> val_constraint
+
+val lift_tycon : type_constraint -> type_constraint
diff --git a/pretyping/pretyping.ml b/pretyping/pretyping.ml
index 1667867508..c06e0d5809 100644
--- a/pretyping/pretyping.ml
+++ b/pretyping/pretyping.ml
@@ -356,6 +356,7 @@ let rec pretype tycon env isevars lvar lmeta = function
| RLetIn(loc,name,c1,c2) ->
let j = pretype empty_tycon env isevars lvar lmeta c1 in
let var = (name,j.uj_val,j.uj_type) in
+ let tycon = option_app (lift 1) tycon in
let j' = pretype tycon (push_rel_def var env) isevars lvar lmeta c2 in
{ uj_val = mkLetIn (name, j.uj_val, j.uj_type, j'.uj_val) ;
uj_type = type_app (subst1 j.uj_val) j'.uj_type }