[GHC] #14460: Can't decompose ghc.exe path

[GHC]

#14460: Can't decompose ghc.exe path
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        Reporter:  astert            |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1
      Resolution:                    |             Keywords:
Operating System:  Windows           |         Architecture:
 Type of failure:  GHC doesn't work  |  Unknown/Multiple
  at all                             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Old description:

> I downloaded the haskell platform, but when I try to use ghci I get this
> message:
>
> ghc.exe: panic!(the 'impossible' happened)
>     (GHC version 8.2.1 for x86_64-unknown-mingw32):
>         can't decompose ghc.exe path:
> "H:\\Programs\\Haskell\\8.2.1\\bin\\ghc.exe"

New description:

 I downloaded the haskell platform, but when I try to use ghci I get this
 message:

 {{{
 ghc.exe: panic!(the 'impossible' happened)
     (GHC version 8.2.1 for x86_64-unknown-mingw32):
         can't decompose ghc.exe path:
 "H:\\Programs\\Haskell\\8.2.1\\bin\\ghc.exe"
 }}}

--

Comment (by RyanGlScott):

 I've code-formatted the panic to make this clearer.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14460#comment:3>
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