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authorMaxime Dénès2018-12-12 10:13:58 +0100
committerMaxime Dénès2018-12-12 10:13:58 +0100
commit84a950c8e1fa06d0dd764e9a426edbd987a7989e (patch)
tree824e99b1dbb0cac36e16b0b1ac871bc3492eb2f1 /pretyping/classops.ml
parentd87c4c472478fbcb30de6efabc68473ee36849a1 (diff)
parent4db7296d629f08c5a71905d8f6d29e2c4e4c0517 (diff)
Merge PR #8974: Fix mod_subst wrt universe polymorphism
Diffstat (limited to 'pretyping/classops.ml')
-rw-r--r--pretyping/classops.ml8
1 files changed, 5 insertions, 3 deletions
diff --git a/pretyping/classops.ml b/pretyping/classops.ml
index f18040accb..306a76e35e 100644
--- a/pretyping/classops.ml
+++ b/pretyping/classops.ml
@@ -192,9 +192,11 @@ let subst_cl_typ subst ct = match ct with
let c' = subst_proj_repr subst c in
if c' == c then ct else CL_PROJ c'
| CL_CONST c ->
- let c',t = subst_con_kn subst c in
- if c' == c then ct else
- pi1 (find_class_type Evd.empty (EConstr.of_constr t))
+ let c',t = subst_con subst c in
+ if c' == c then ct else (match t with
+ | None -> CL_CONST c'
+ | Some t ->
+ pi1 (find_class_type Evd.empty (EConstr.of_constr t.Univ.univ_abstracted_value)))
| CL_IND i ->
let i' = subst_ind subst i in
if i' == i then ct else CL_IND i'