[commit: testsuite] master: Test Trac #7641 (d579465)

[Simon Peyton Jones]

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

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/d5794650edd0566ed97c0761646ec0be3f4aa51c

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

commit d5794650edd0566ed97c0761646ec0be3f4aa51c
Author: Simon Peyton Jones <simonpj at microsoft.com>
Date:   Sun Mar 3 23:08:45 2013 +0000

    Test Trac #7641

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

 tests/typecheck/should_compile/T7641.hs |   14 ++++++++++++++
 tests/typecheck/should_compile/all.T    |    1 +
 2 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/tests/typecheck/should_compile/T7641.hs b/tests/typecheck/should_compile/T7641.hs
new file mode 100644
index 0000000..5d68f4f
--- /dev/null
+++ b/tests/typecheck/should_compile/T7641.hs
@@ -0,0 +1,14 @@
+{-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE MultiParamTypeClasses #-}
+
+module T7641 where
+
+data Foo b = Foo deriving Show
+
+class ToFoo a b where
+    toFoo :: a -> Foo b
+
+instance ToFoo (c -> ()) b where
+    toFoo _ = Foo
+
+baz () = toFoo $ \_ -> ()
diff --git a/tests/typecheck/should_compile/all.T b/tests/typecheck/should_compile/all.T
index 0fdb2ad..9160781 100644
--- a/tests/typecheck/should_compile/all.T
+++ b/tests/typecheck/should_compile/all.T
@@ -397,3 +397,4 @@ test('T7408', normal, compile, [''])
 test('UnboxStrictPrimitiveFields', normal, compile, [''])
 test('T7541', normal, compile, [''])
 test('T7562', normal, compile, [''])
+test('T7641', normal, compile, [''])