From 7cfc4e5146be5666419451bdd516f1f3f264d24a Mon Sep 17 00:00:00 2001 From: Enrico Tassi Date: Sun, 25 Jan 2015 14:42:51 +0100 Subject: Imported Upstream version 8.5~beta1+dfsg --- test-suite/bugs/closed/3416.v | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 test-suite/bugs/closed/3416.v (limited to 'test-suite/bugs/closed/3416.v') diff --git a/test-suite/bugs/closed/3416.v b/test-suite/bugs/closed/3416.v new file mode 100644 index 00000000..5cfb8f1f --- /dev/null +++ b/test-suite/bugs/closed/3416.v @@ -0,0 +1,12 @@ +Inductive list A := Node : node A -> list A +with node A := Nil | Cons : A -> list A -> node A. + +Fixpoint app {A} (l1 l2 : list A) {struct l1} : list A +with app_node {A} (n1 : node A) (l2 : list A) {struct n1} : node A. +Proof. ++ destruct l1 as [n]; constructor. + exact (app_node _ n l2). ++ destruct n1 as [|x l1]. + - destruct l2 as [n2]; exact n2. + - exact (Cons _ x (app _ l1 l2)). +Qed. -- cgit v1.2.3