diff options
| -rw-r--r-- | pretyping/cases.ml | 1 | ||||
| -rw-r--r-- | test-suite/bugs/closed/5547.v | 16 |
2 files changed, 17 insertions, 0 deletions
diff --git a/pretyping/cases.ml b/pretyping/cases.ml index a5b7a9e6f..a48889c6c 100644 --- a/pretyping/cases.ml +++ b/pretyping/cases.ml @@ -1427,6 +1427,7 @@ and match_current pb (initial,tomatch) = let case = make_case_or_project pb.env !(pb.evdref) indf ci pred current brvals in + let _ = Typing.e_type_of pb.env pb.evdref pred in Typing.check_allowed_sort pb.env !(pb.evdref) mind current pred; { uj_val = applist (case, inst); uj_type = prod_applist !(pb.evdref) typ inst } diff --git a/test-suite/bugs/closed/5547.v b/test-suite/bugs/closed/5547.v new file mode 100644 index 000000000..79633f489 --- /dev/null +++ b/test-suite/bugs/closed/5547.v @@ -0,0 +1,16 @@ +(* Checking typability of intermediate return predicates in nested pattern-matching *) + +Inductive A : (Type->Type) -> Type := J : A (fun x => x). +Definition ret (x : nat * A (fun x => x)) + := match x return Type with + | (y,z) => match z in A f return f Type with + | J => bool + end + end. +Definition foo : forall x, ret x. +Proof. +Fail refine (fun x + => match x return ret x with + | (y,J) => true + end + ). |