From f3f45895ccafd9b87566c063626cf516c0a13123 Mon Sep 17 00:00:00 2001
From: Simon Peyton Jones <simonpj@microsoft.com>
Date: Tue, 1 Jul 2014 15:23:30 +0100
Subject: [PATCH] Test Trac #9222
(cherry picked from commit 127c45ea30eaee6b5244b3f30aaa701d0ad327ac)
Conflicts:
testsuite/tests/polykinds/all.T
---
testsuite/tests/polykinds/T9222.hs | 7 +++++++
testsuite/tests/polykinds/all.T | 1 +
2 files changed, 8 insertions(+)
create mode 100644 testsuite/tests/polykinds/T9222.hs
diff --git a/testsuite/tests/polykinds/T9222.hs b/testsuite/tests/polykinds/T9222.hs
new file mode 100644
index 000000000000..df112519ac6b
--- /dev/null
+++ b/testsuite/tests/polykinds/T9222.hs
@@ -0,0 +1,7 @@
+{-# LANGUAGE RankNTypes, GADTs, DataKinds, PolyKinds, TypeOperators, TypeFamilies #-}
+module T9222 where
+
+import Data.Proxy
+
+data Want :: (i,j) -> * where
+ Want :: (a ~ '(b,c) => Proxy b) -> Want a
diff --git a/testsuite/tests/polykinds/all.T b/testsuite/tests/polykinds/all.T
index 96faa6725ba0..de73b371eada 100644
--- a/testsuite/tests/polykinds/all.T
+++ b/testsuite/tests/polykinds/all.T
@@ -101,3 +101,4 @@ test('T7481', normal, compile_fail,[''])
test('T8705', normal, compile, [''])
test('T8985', normal, compile, [''])
test('T9106', normal, compile_fail, [''])
+test('T9222', normal, compile, [''])
--
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