From 7cfc4e5146be5666419451bdd516f1f3f264d24a Mon Sep 17 00:00:00 2001
From: Enrico Tassi <gareuselesinge@debian.org>
Date: Sun, 25 Jan 2015 14:42:51 +0100
Subject: Imported Upstream version 8.5~beta1+dfsg

---
 test-suite/bugs/closed/3388.v | 57 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 test-suite/bugs/closed/3388.v

(limited to 'test-suite/bugs/closed/3388.v')

diff --git a/test-suite/bugs/closed/3388.v b/test-suite/bugs/closed/3388.v
new file mode 100644
index 00000000..78262804
--- /dev/null
+++ b/test-suite/bugs/closed/3388.v
@@ -0,0 +1,57 @@
+Inductive test : bool -> bool -> Type :=
+| test00 : test false false
+| test01 : test false true
+| test10 : test true false
+.
+
+(* This does not work *)
+Definition test_a (t : test true false) : test true false :=
+  match t with
+    | test10 => test10
+  end.
+
+(* The following definition shows that test_a SHOULD work *)
+Definition test_a_workaround (t : test true false) : test true false :=
+  match t with
+    | test10 => test10
+    | _ => tt
+  end.
+
+(* Surprisingly, this works *)
+Definition test_b (t : test false true) : test false true :=
+  match t with
+    | test01 => test01
+  end.
+
+
+(* This, too, works *)
+Definition test_c x (t : test false x) : test false x :=
+  match t with
+    | test00 => test00
+    | test01 => test01
+  end.
+
+Inductive test2 : bool -> bool -> Type :=
+| test201 : test2 false true
+| test210 : test2 true false
+| test211 : test2 true true
+.
+
+(* Now this works *)
+Definition test2_a (t : test2 true false) : test2 true false :=
+  match t with
+    | test210 => test210
+  end.
+
+(* Accordingly, this now fails *)
+Definition test2_b (t : test2 false true) : test2 false true :=
+  match t with
+    | test201 => test201
+  end.
+
+
+(* This, too, fails *)
+Definition test2_c x (t : test2 false x) : test2 false x :=
+  match t with
+    | test201 => test201
+  end.
-- 
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