[GHC] #9352: Allow `State# s` argument/result types in `ccall` FFI imports

[GHC]

#9352: Allow `State# s` argument/result types in `ccall` FFI imports
-------------------------------------+-------------------------------------
              Reporter:  hvr         |            Owner:
                  Type:  feature     |           Status:  new
  request                            |        Milestone:  7.10.1
              Priority:  normal      |          Version:  7.8.2
             Component:  Compiler    |         Keywords:
  (Type checker)                     |     Architecture:  Unknown/Multiple
            Resolution:              |       Difficulty:  Unknown
      Operating System:              |       Blocked By:
  Unknown/Multiple                   |  Related Tickets:  #9281
       Type of failure:              |
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
-------------------------------------+-------------------------------------
Changes (by hvr):

 * cc: simonmar, simonpj (added)


Comment:

 I've cc'ed you both to trigger any comments you might have with respect to
 the results from comment:1

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9352#comment:3>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler