[GHC] #15306: First attempt at starting GHCI failed

[GHC]

#15306: First attempt at starting GHCI failed
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           Reporter:  DaleB          |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.6.1
          Component:  Compiler       |           Version:  8.4.3
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 PS C:\WINDOWS\system32> ghci
 GHCi, version 8.4.3: http://www.haskell.org/ghc/  :? for help
 ghc.exe: C:\F\G77\lib\libmingw32.a: Not a x86_64 PE+ file.
 ghc.exe: getNumberOfSymbols: error whilst reading `CRTglob.o' header in
 `C:\F\G77\lib\libmingw32.a': Unknown COFF_OBJ_TYPE.
 ghc.exe: loadArchive: error whilst reading `C:\F\G77\lib\libmingw32.a'
 ghc.exe: panic! (the 'impossible' happened)
   (GHC version 8.4.3 for x86_64-unknown-mingw32):
         loadArchive "C:\\F\\G77\\lib\\libmingw32.a": failed

 Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15306>
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