[GHC] #14125: Bogus unacceptable type in foreign declaration.

[GHC]

#14125: Bogus unacceptable type in foreign declaration.
-------------------------------------+-------------------------------------
        Reporter:  winter            |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  high              |            Milestone:  8.2.2
       Component:  Compiler (FFI)    |              Version:  8.2.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3865
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by winter):

 My bad, I checked the orignal console output, and the problem just occurs
 when newtype instance involved.

 The original output is here: https://travis-
 ci.org/winterland1989/stdio/jobs/264713243

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14125#comment:7>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler