diff options
| -rw-r--r-- | test-suite/success/CaseInClause.v | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/test-suite/success/CaseInClause.v b/test-suite/success/CaseInClause.v index 599b9566cb..6424fe92dd 100644 --- a/test-suite/success/CaseInClause.v +++ b/test-suite/success/CaseInClause.v @@ -24,3 +24,6 @@ Theorem foo : forall (n m : nat) (pf : n = m), (* Check redundant clause is removed *) Inductive I : nat * nat -> Type := C : I (0,0). Check fun x : I (1,1) => match x in I (y,z) return y = z with C => eq_refl end. + +(* An example of non-local inference of the type of an impossible case *) +Check (fun y n (x:Vector.t nat (S n)) => match x with a::_ => a | _ => y end) 2. |