Imported Upstream snapshot 8.3~beta0+13298

1 files changed, 29 insertions, 0 deletions

diff --git a/test-suite/success/Case3.v b/test-suite/success/Case3.v
new file mode 100644
index 00000000..de7784ae
--- /dev/null
+++ b/test-suite/success/Case3.v
@@ -0,0 +1,29 @@
+Inductive Le : nat -> nat -> Set :=
+  | LeO : forall n : nat, Le 0 n
+  | LeS : forall n m : nat, Le n m -> Le (S n) (S m).
+
+Parameter discr_l : forall n : nat, S n <> 0.
+
+Type
+  (fun n : nat =>
+   match n return (n = 0 \/ n <> 0) with
+   | O => or_introl (0 <> 0) (refl_equal 0)
+   | S O => or_intror (1 = 0) (discr_l 0)
+   | S (S x) => or_intror (S (S x) = 0) (discr_l (S x))
+   end).
+
+Parameter iguales : forall (n m : nat) (h : Le n m), Prop.
+
+Type
+  match LeO 0 as h in (Le n m) return Prop with
+  | LeO O => True
+  | LeS (S x) (S y) H => iguales (S x) (S y) H
+  | _ => False
+  end.
+
+Type
+  match LeO 0 as h in (Le n m) return Prop with
+  | LeO O => True
+  | LeS (S x) O H => iguales (S x) 0 H
+  | _ => False
+  end.