From 2280477a96e19ba5060de2d48dcc8fd7c8079d22 Mon Sep 17 00:00:00 2001
From: Enrico Tassi <gareuselesinge@debian.org>
Date: Fri, 13 Nov 2015 11:31:34 +0100
Subject: Imported Upstream version 8.5~beta3+dfsg

---
 test-suite/bugs/closed/4375.v | 106 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 106 insertions(+)
 create mode 100644 test-suite/bugs/closed/4375.v

(limited to 'test-suite/bugs/closed/4375.v')

diff --git a/test-suite/bugs/closed/4375.v b/test-suite/bugs/closed/4375.v
new file mode 100644
index 00000000..03af1653
--- /dev/null
+++ b/test-suite/bugs/closed/4375.v
@@ -0,0 +1,106 @@
+
+
+Polymorphic Fixpoint g@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
+  t.
+
+
+Module A.
+Polymorphic Fixpoint foo@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
+  match n with
+  | 0 => t
+  | S n => bar t n
+  end
+
+with bar (t : Type@{i}) (n : nat) : Type@{i} :=
+    match n with
+    | 0 => t
+    | S n => foo t n
+    end.
+End A.
+
+Module B.
+Polymorphic Fixpoint foo@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
+  match n with
+  | 0 => t
+  | S n => bar t n
+  end
+
+with bar@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
+    match n with
+    | 0 => t
+    | S n => foo t n
+    end.
+End B.
+
+Module C.
+Fail Polymorphic Fixpoint foo@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
+  match n with
+  | 0 => t
+  | S n => bar t n
+  end
+
+with bar@{j} (t : Type@{j}) (n : nat) : Type@{j} :=
+    match n with
+    | 0 => t
+    | S n => foo t n
+    end.
+End C.
+
+Module D.
+Polymorphic Fixpoint foo@{i j} (t : Type@{i}) (n : nat) : Type@{i} :=
+  match n with
+  | 0 => t
+  | S n => bar t n
+  end
+
+with bar@{i j} (t : Type@{j}) (n : nat) : Type@{j} :=
+    match n with
+    | 0 => t
+    | S n => foo t n
+    end.
+End D.
+
+Module E.
+Fail Polymorphic Fixpoint foo@{i j} (t : Type@{i}) (n : nat) : Type@{i} :=
+  match n with
+  | 0 => t
+  | S n => bar t n
+  end
+
+with bar@{j i} (t : Type@{j}) (n : nat) : Type@{j} :=
+    match n with
+    | 0 => t
+    | S n => foo t n
+    end.
+End E.
+
+(*
+Polymorphic Fixpoint g@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
+  t.
+
+Print g.
+
+Polymorphic Fixpoint a@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
+  t
+with b@{i} (t : Type@{i}) (n : nat) : Type@{i} :=
+  t.
+
+Print a.
+Print b.
+*)
+
+Polymorphic CoInductive foo@{i} (T : Type@{i}) : Type@{i} :=
+| A : foo T -> foo T.
+
+Polymorphic CoFixpoint cg@{i} (t : Type@{i}) : foo@{i} t :=
+  @A@{i} t (cg@{i} t).
+
+Print cg.
+
+Polymorphic CoFixpoint ca@{i} (t : Type@{i}) : foo@{i} t :=
+  @A@{i} t (@cb@{i} t)
+with cb@{i} (t : Type@{i}) : foo@{i} t :=
+  @A@{i} t (@ca@{i} t).
+
+Print ca.
+Print cb.
\ No newline at end of file
-- 
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