[GHC] #16153: ghc 8.6.3 fails to build on macOS Sierra, High Sierra and Mojave (10.12 to 10.14)

[GHC]

#16153: ghc 8.6.3 fails to build on macOS Sierra, High Sierra and Mojave (10.12 to
10.14)
-------------------------------------+-------------------------------------
           Reporter:  fxcoudert      |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.6.3
           Keywords:                 |  Operating System:  MacOS X
       Architecture:  x86_64         |   Type of failure:  GHC doesn't work
  (amd64)                            |  at all
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 We at Homebrew are trying to upgrade the ghc version we ship to 8.6.3.
 However, many test failures are occurring: https://github.com/Homebrew
 /homebrew-core/pull/35773

 {{{
 SUMMARY for test run started at Tue Jan  8 18:16:47 2019 GMT
  0:55:14 spent to go through
     6521 total tests, which gave rise to
    25300 test cases, of which
    18851 were skipped

       28 had missing libraries
     5900 expected passes
       90 expected failures

        0 caused framework failures
        0 caused framework warnings
        1 unexpected passes
      422 unexpected failures
        8 unexpected stat failures
 }}}

 I am attaching the full build output.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16153>
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