[GHC] #14764: Make $! representation-polymorphic

[GHC]

#14764: Make $! representation-polymorphic
-------------------------------------+-------------------------------------
           Reporter:  dfeuer         |             Owner:  (none)
               Type:  task           |            Status:  new
           Priority:  normal         |         Milestone:  8.6.1
          Component:  Core           |           Version:  8.2.2
  Libraries                          |
           Keywords:  TypeInType     |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):  Phab:D4382     |         Wiki Page:
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 Currently,

 {{{#!hs
 ($) :: forall r a (b :: TYPE r). (a -> b) -> a -> b
 }}}

 but

 {{{#!hs
 ($!) :: (a -> b) -> a -> b
 }}}

 It seems fairly obvious that we should generalize `($!)`.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14764>
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