[commit: ghc] master: Test Trac #13244 (fed7136)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/fed7136c597868d1c13b96837a2b64137a9ee65c/ghc

>---------------------------------------------------------------

commit fed7136c597868d1c13b96837a2b64137a9ee65c
Author: Simon Peyton Jones <simonpj at microsoft.com>
Date:   Wed Feb 22 11:19:49 2017 +0000

    Test Trac #13244


>---------------------------------------------------------------

fed7136c597868d1c13b96837a2b64137a9ee65c
 .../tests/indexed-types/should_compile/T13244.hs   | 34 ++++++++++++++++++++++
 testsuite/tests/indexed-types/should_compile/all.T |  1 +
 2 files changed, 35 insertions(+)

diff --git a/testsuite/tests/indexed-types/should_compile/T13244.hs b/testsuite/tests/indexed-types/should_compile/T13244.hs
new file mode 100644
index 0000000..e1a65b9
--- /dev/null
+++ b/testsuite/tests/indexed-types/should_compile/T13244.hs
@@ -0,0 +1,34 @@
+{-# LANGUAGE MagicHash, DataKinds, PolyKinds, TypeInType, TypeFamilies #-}
+
+module T13244 where
+
+import Data.Int
+import Data.Word
+import GHC.Prim
+import GHC.Types
+
+type family Rep x where
+  Rep Int    = IntRep
+  Rep Int8   = IntRep
+  Rep Int16  = IntRep
+  Rep Int32  = IntRep
+  Rep Int64  = Int64Rep
+  Rep Bool   = IntRep
+  Rep Char   = IntRep
+  Rep Word   = WordRep
+  Rep Word8  = WordRep
+  Rep Word16 = WordRep
+  Rep Word32 = WordRep
+  Rep Word64 = Word64Rep
+  Rep Float  = FloatRep
+  Rep Double = DoubleRep
+
+class Unbox x where
+  type Unboxed x :: TYPE (Rep x)
+  unbox :: x -> Unboxed x
+  box :: Unboxed x -> x
+
+instance Unbox Int where
+  type Unboxed Int = Int#
+  unbox (I# i) = i
+  box = I#
diff --git a/testsuite/tests/indexed-types/should_compile/all.T b/testsuite/tests/indexed-types/should_compile/all.T
index 26e24ad..cdce0f6 100644
--- a/testsuite/tests/indexed-types/should_compile/all.T
+++ b/testsuite/tests/indexed-types/should_compile/all.T
@@ -260,3 +260,4 @@ test('T12522b', normal, compile, [''])
 test('T12676', normal, compile, [''])
 test('T12526', normal, compile, [''])
 test('T12538', normal, compile_fail, [''])
+test('T13244', normal, compile, [''])