[commit: testsuite] master: Test Trac #7451 (9a35237)

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

On branch  : master

http://hackage.haskell.org/trac/ghc/changeset/9a35237ec0b5134cb70f5ea21edfcf90132ade3b

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

commit 9a35237ec0b5134cb70f5ea21edfcf90132ade3b
Author: Simon Peyton Jones <[email protected]>
Date:   Mon Nov 26 12:23:04 2012 +0000

    Test Trac #7451

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

 tests/typecheck/should_compile/T7451.hs |   12 ++++++++++++
 tests/typecheck/should_compile/all.T    |    1 +
 2 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/tests/typecheck/should_compile/T7451.hs b/tests/typecheck/should_compile/T7451.hs
new file mode 100644
index 0000000..5684813
--- /dev/null
+++ b/tests/typecheck/should_compile/T7451.hs
@@ -0,0 +1,12 @@
+module T6117a where
+
+-- Tests that Lint does not complain about
+-- a mis-match between * and Constraint
+
+class B a where
+     b :: a
+
+newtype Additive a = Additive a
+
+instance B a => B (Additive a) where
+    b = Additive b
diff --git a/tests/typecheck/should_compile/all.T b/tests/typecheck/should_compile/all.T
index 6240962..be74f77 100644
--- a/tests/typecheck/should_compile/all.T
+++ b/tests/typecheck/should_compile/all.T
@@ -389,3 +389,4 @@ test('T7196', normal, compile, [''])
 test('T7050', normal, compile, [''])
 test('T7312', normal, compile, [''])
 test('T7384', normal, compile, [''])
+test('T7451', normal, compile, [''])