diff options
Diffstat (limited to 'kernel/mod_subst.ml')
| -rw-r--r-- | kernel/mod_subst.ml | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/kernel/mod_subst.ml b/kernel/mod_subst.ml index a43c5b274..817716c2d 100644 --- a/kernel/mod_subst.ml +++ b/kernel/mod_subst.ml @@ -224,8 +224,10 @@ let constant_of_delta_with_inline resolve con = let kn1,kn2 = canonical_con con,user_con con in try find_inline_of_delta kn2 resolve with Not_found -> - try find_inline_of_delta kn1 resolve - with Not_found -> None + if kn1 == kn2 then None + else + try find_inline_of_delta kn1 resolve + with Not_found -> None let subst_mp0 sub mp = (* 's like subst *) let rec aux mp = @@ -273,7 +275,9 @@ type sideconstantsubst = | Canonical let gen_subst_mp f sub mp1 mp2 = - match subst_mp0 sub mp1, subst_mp0 sub mp2 with + let o1 = subst_mp0 sub mp1 in + let o2 = if mp1 == mp2 then o1 else subst_mp0 sub mp2 in + match o1, o2 with | None, None -> raise No_subst | Some (mp',resolve), None -> User, (f mp' mp2), resolve | None, Some (mp',resolve) -> Canonical, (f mp1 mp'), resolve |