[GHC] #14466: Error while installing codeworld-api

[GHC]

#14466: Error while installing codeworld-api
-------------------------------------+-------------------------------------
           Reporter:  Zalathorm      |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.2.1
           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:
-------------------------------------+-------------------------------------
 C:\Users\****>cabal install codeworld-api
 Resolving dependencies...
 Configuring codeworld-api-0.2.1.0...
 Building codeworld-api-0.2.1.0...
 Failed to install codeworld-api-0.2.1.0
 Build log ( C:\Users\****\AppData\Roaming\cabal\logs\ghc-8.2.1\codeworld-
 api-0.2.1.0-FP1wjOCq6YC5GIs4ve2sRp.log ):
 Preprocessing library for codeworld-api-0.2.1.0..
 Building library for codeworld-api-0.2.1.0..
 [1 of 6] Compiling CodeWorld.Color  ( src\CodeWorld\Color.hs,
 dist\build\CodeWorld\Color.o )
 [2 of 6] Compiling CodeWorld.Picture ( src\CodeWorld\Picture.hs,
 dist\build\CodeWorld\Picture.o )
 [3 of 6] Compiling CodeWorld.Event  ( src\CodeWorld\Event.hs,
 dist\build\CodeWorld\Event.o )
 [4 of 6] Compiling CodeWorld.CollaborationUI (
 src\CodeWorld\CollaborationUI.hs, dist\build\CodeWorld\CollaborationUI.o )
 ghc.exe: panic! (the 'impossible' happened)
   (GHC version 8.2.1 for x86_64-unknown-mingw32):
         runtimeRepPrimRep
   typePrimRep (r_abQP :: TYPE rep_abQO)
   rep_abQO
   Call stack:
       CallStack (from HasCallStack):
         prettyCurrentCallStack, called at
 compiler\utils\Outputable.hs:1133:58 in ghc:Outputable
         callStackDoc, called at compiler\utils\Outputable.hs:1137:37 in
 ghc:Outputable
         pprPanic, called at compiler\simplStg\RepType.hs:360:5 in
 ghc:RepType

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

 cabal: Leaving directory 'C:\Users\****\AppData\Local\Temp\cabal-tmp-5456
 \codeworld-api-0.2.1.0'
 cabal: Error: some packages failed to install:
 codeworld-api-0.2.1.0-FP1wjOCq6YC5GIs4ve2sRp failed during the building
 phase.
 The exception was:
 ExitFailure 1

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14466>
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