[GHC] #15140: GHC 8.4.2 installation crash with Stack

[GHC]

#15140: GHC 8.4.2 installation crash with Stack
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           Reporter:  fpanahi        |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:  8.6.1
          Component:  Build System   |           Version:  8.4.2
           Keywords:                 |  Operating System:  Windows
       Architecture:  x86            |   Type of failure:  Installing GHC
                                     |  failed
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 I got this problem while installing GHC 8.4.2 with the "stack install"
 command. I had successfully installed Stack and cloned
 https://github.com/haskell/haskell-ide-engine beforehand.

 The OS is Windows 10 (64b).

 The error message is on the screen copy herein attached.

 It is already such a long and difficult process to install Haskell,
 compared to similar PL ...

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15140>
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