[commit: ghc] master: testsuite: Add ClassOperator testcase (9f23dd9)

[git at git.haskell.org]

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

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/9f23dd9d05eb0945fa7a60492d2f2721d364327b/ghc

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

commit 9f23dd9d05eb0945fa7a60492d2f2721d364327b
Author: Ben Gamari <bgamari.foss at gmail.com>
Date:   Sun Dec 20 15:21:10 2015 +0100

    testsuite: Add ClassOperator testcase
    
    This is derived from Haddock's `Operators` `html-test`, which appears to
    fail with GHC master yet compiles with 7.10.2
    
    Reviewers: simonpj, austin
    
    Subscribers: thomie
    
    Differential Revision: https://phabricator.haskell.org/D1667
    
    GHC Trac Issues: #11264


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

9f23dd9d05eb0945fa7a60492d2f2721d364327b
 .../tests/typecheck/should_compile/ClassOperator.hs | 21 +++++++++++++++++++++
 testsuite/tests/typecheck/should_compile/all.T      |  1 +
 2 files changed, 22 insertions(+)

diff --git a/testsuite/tests/typecheck/should_compile/ClassOperator.hs b/testsuite/tests/typecheck/should_compile/ClassOperator.hs
new file mode 100644
index 0000000..6d41d11
--- /dev/null
+++ b/testsuite/tests/typecheck/should_compile/ClassOperator.hs
@@ -0,0 +1,21 @@
+{-# LANGUAGE PatternSynonyms, TypeOperators, TypeFamilies, MultiParamTypeClasses, GADTs #-}
+
+module ClassOperator where
+
+-- | Class with fixity, including associated types
+class a ><> b where
+  type a <>< b :: *
+  data a ><< b
+  (>><), (<<>) :: a -> b -> ()
+
+  -- | Multiple fixities
+  (**>), (**<), (>**), (<**) :: a -> a -> ()
+
+infixr 1 ><>
+infixl 2 <><
+infixl 3 ><<
+infixr 4 >><
+infixl 5 <<>
+
+infixr 8 **>, >**
+infixl 8 **<, <**
diff --git a/testsuite/tests/typecheck/should_compile/all.T b/testsuite/tests/typecheck/should_compile/all.T
index ae2aa94..5b09782 100644
--- a/testsuite/tests/typecheck/should_compile/all.T
+++ b/testsuite/tests/typecheck/should_compile/all.T
@@ -481,3 +481,4 @@ test('T10935', normal, compile, [''])
 test('T10971a', normal, compile, [''])
 test('T11237', normal, compile, [''])
 test('T10592', normal, compile, [''])
+test('ClassOperator', expect_broken(11264), compile, [''])