[GHC] #1965: Allow unconstrained existential contexts in newtypes

[GHC]

#1965: Allow unconstrained existential contexts in newtypes
-------------------------------------+-------------------------------------
        Reporter:  guest             |                   Owner:
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  6.8.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  None/Unknown      |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by oerjan):

 * cc: oerjan (added)


--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/1965#comment:20>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler