[GHC] #11107: Can't use type wildcard infix

[GHC]

#11107: Can't use type wildcard infix
-------------------------------------+-------------------------------------
           Reporter:  goldfire       |             Owner:
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  7.11
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 This fails:

 {{{
 foo :: Int `_a` Bool
 foo = Right True
 }}}

 But moving `_a` to be prefix works. I observe the same behavior with an
 unnamed type wildcard.

 This was discovered while poking around in the renamer, not in real code!

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11107>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler