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| author |  Matthieu Sozeau <mattam@mattam.org> | 2018-07-09 17:52:40 +0100 |
|---|---|---|
| committer | Matthieu Sozeau <mattam@mattam.org> | 2018-07-09 17:52:40 +0100 |
| commit | c1d4dc68ace54f9ff9fd8f6466add38098ef0495 (patch) | |
| tree | cb4908114f590d5df10628f68fd7ae92a7c80ecf | |
| parent | a44b4be1bf8b96e941216cd10cfb5981a825c3fa (diff) | |
| parent | b098de535db3a17777fb77733229bbbfb914511f (diff) | |
Merge PR #7884: Fix #5719: Uncaught exception Invalid_argument.
| -rw-r--r-- | pretyping/cases.ml | 3 | ||||
| -rw-r--r-- | test-suite/bugs/closed/5719.v | 9 |
2 files changed, 11 insertions, 1 deletions
diff --git a/pretyping/cases.ml b/pretyping/cases.ml index 93ca9dc5e..2d72b9db6 100644 --- a/pretyping/cases.ml +++ b/pretyping/cases.ml @@ -1699,7 +1699,8 @@ let abstract_tycon ?loc env evdref subst tycon extenv t = let ty = get_type_of env !evdref t in Evarutil.evd_comb1 (refresh_universes (Some false) env) evdref ty in - let ty = lift (-k) (aux x ty) in + let dummy_subst = List.init k (fun _ -> mkProp) in + let ty = substl dummy_subst (aux x ty) in let depvl = free_rels !evdref ty in let inst = List.map_i diff --git a/test-suite/bugs/closed/5719.v b/test-suite/bugs/closed/5719.v new file mode 100644 index 000000000..0fad5f54e --- /dev/null +++ b/test-suite/bugs/closed/5719.v @@ -0,0 +1,9 @@ +Axiom cons_data_one : + forall (Aone : unit -> Set) (i : unit) (a : Aone i), nat. +Axiom P : nat -> Prop. +Axiom children_data_rect3 : forall {Aone : unit -> Set} + (cons_one_case : forall (i : unit) (b : Aone i), + nat -> nat -> P (cons_data_one Aone i b)), + P 0. +Fail Definition decide_children_equality IH := children_data_rect3 + (fun _ '(existT _ _ _) => match IH with tt => _ end). |