[commit: testsuite] master: Test #5481 (ee78629)

[Max Bolingbroke]

Repository : ssh://darcs.haskell.org//srv/darcs/testsuite

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/ee786290a7cda42517266df9e76dc85c64eb2e4f

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

commit ee786290a7cda42517266df9e76dc85c64eb2e4f
Author: Max Bolingbroke <batterseapower at hotmail.com>
Date:   Sun Sep 11 17:09:55 2011 +0100

    Test #5481

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

 tests/typecheck/should_compile/T5481.hs |    8 ++++++++
 tests/typecheck/should_compile/all.T    |    1 +
 2 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/tests/typecheck/should_compile/T5481.hs b/tests/typecheck/should_compile/T5481.hs
new file mode 100644
index 0000000..636a587
--- /dev/null
+++ b/tests/typecheck/should_compile/T5481.hs
@@ -0,0 +1,8 @@
+{-# LANGUAGE TypeFamilies, MultiParamTypeClasses #-}
+module T5481 where
+
+class Foo a b where
+    type X a
+    type X a = b
+    type Y b
+    type Y b = a
diff --git a/tests/typecheck/should_compile/all.T b/tests/typecheck/should_compile/all.T
index e185708..c3ba163 100644
--- a/tests/typecheck/should_compile/all.T
+++ b/tests/typecheck/should_compile/all.T
@@ -357,3 +357,4 @@ test('T5051', normal, compile, [''])
 test('T3018', normal, compile, [''])
 test('T5032', normal, compile, [''])
 test('T2357', normal, compile, [''])
+test('T5481', normal, compile, [''])