[GHC] #16063: ghc-8.6.3 + Mac OSX + FFI dependency causes 'impossible happened' compiler failure

[GHC]

#16063: ghc-8.6.3 + Mac OSX +  FFI dependency causes 'impossible happened' compiler
failure
-------------------------------------+-------------------------------------
        Reporter:  benselfridge      |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.6.3
      Resolution:                    |             Keywords:
Operating System:  MacOS X           |         Architecture:  x86_64
 Type of failure:  Compile-time      |  (amd64)
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5462
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by benselfridge):

 Okay -- I'll do something like that for now. Thanks, Alec.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16063#comment:7>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler