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

[GHC]

#15306: First attempt at starting GHCI failed
-------------------------------------+-------------------------------------
        Reporter:  DaleB             |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Runtime System    |              Version:  8.4.3
  (Linker)                           |
      Resolution:                    |             Keywords:
Operating System:  Windows           |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Runtime crash     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * failure:  None/Unknown => Runtime crash
 * os:  Unknown/Multiple => Windows
 * component:  Compiler => Runtime System (Linker)


Old description:

> 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

New description:

 {{{
 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#comment:1>
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