aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJasper Hugunin2019-05-19 01:38:59 -0700
committerJasper Hugunin2019-05-19 01:38:59 -0700
commitd8d665f900ee92fac8f776031a9a6a0981a4ed2e (patch)
treefd73e59456e3b290dbad1a9e970d0e9ab2cd3b01
parentd61c293eb0fc99eb921ef5ea599bbab8ac7aedcc (diff)
Implicit Quantifiers recurse in continuation of let-in
-rw-r--r--interp/implicit_quantifiers.ml2
-rw-r--r--test-suite/bugs/closed/bug_10189.v9
2 files changed, 10 insertions, 1 deletions
diff --git a/interp/implicit_quantifiers.ml b/interp/implicit_quantifiers.ml
index dffccf02fc..6277d874dd 100644
--- a/interp/implicit_quantifiers.ml
+++ b/interp/implicit_quantifiers.ml
@@ -281,7 +281,7 @@ let implicits_of_glob_constr ?(with_products=true) l =
| _ -> ()
in []
| GLambda (na, bk, t, b) -> abs na bk b
- | GLetIn (na, b, t, c) -> aux i b
+ | GLetIn (na, b, t, c) -> aux i c
| GRec (fix_kind, nas, args, tys, bds) ->
let nb = match fix_kind with |GFix (_, n) -> n | GCoFix n -> n in
List.fold_left_i (fun i l (na,bk,_,_) -> add_impl i na bk l) i (aux (List.length args.(nb) + i) bds.(nb)) args.(nb)
diff --git a/test-suite/bugs/closed/bug_10189.v b/test-suite/bugs/closed/bug_10189.v
new file mode 100644
index 0000000000..d603bff386
--- /dev/null
+++ b/test-suite/bugs/closed/bug_10189.v
@@ -0,0 +1,9 @@
+Definition foo : forall (x := unit) {y : nat}, nat := fun y => y.
+Check foo (y := 3). (*We fail to get implicits in the type past a let-in*)
+Definition foo' : forall (x : Set) {y : nat}, nat := fun _ y => y.
+Check foo' unit (y := 3). (* It works with a function binder *)
+
+Definition bar := let f {x} : nat -> nat := fun y => x in f (x := 3).
+(* Adding bar : nat -> nat gives implicits-in-term warning *)
+Fail Check bar (x := 3).
+(* The implicits from the type of the local definition leak to the outer term *)