[GHC] #12604: panic when building repa-fftw

[GHC]

#12604: panic when building repa-fftw
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           Reporter:  koshmar        |             Owner:
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.0.1
           Keywords:                 |  Operating System:  Linux
       Architecture:                 |   Type of failure:  Building GHC
  Unknown/Multiple                   |  failed
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 Sorry, if I reported it wrongly. It is my first bug.
 --  While building package repa-fftw-3.2.3.2 using:
       /home/kosh/.stack/setup-exe-cache/x86_64-linux-nix/setup-Simple-
 Cabal-1.24.0.0-ghc-8.0.1 --builddir=.stack-work/dist/x86_64-linux-
 nix/Cabal-1.24.0.0 build --ghc-options " -ddump-hi -ddump-to-file"
     Process exited with code: ExitFailure 1
     Logs have been written to: /home/kosh/haskell/spRepa/.stack-work/logs
 /repa-fftw-3.2.3.2.log

     Configuring repa-fftw-3.2.3.2...
     Building repa-fftw-3.2.3.2...
     Preprocessing library repa-fftw-3.2.3.2...
     [1 of 1] Compiling Data.Array.Repa.FFTW ( Data/Array/Repa/FFTW.hs,
 .stack-work/dist/x86_64-linux-
 nix/Cabal-1.24.0.0/build/Data/Array/Repa/FFTW.o )
     ghc: panic! (the 'impossible' happened)
       (GHC version 8.0.1 for x86_64-unknown-linux):
         filterImports/combine
       (Array,
        Array{Array, AByteString, ACursored, ADelayed, AForeignPtr,
 AInterleave, ASmall, APart, AUnboxed, AUndefined, AVector, cursoredExtent,
 loadCursor, makeCursor, shiftCursor},
        Nothing)
       (Array,
        Source{Source, Array, deepSeqArray, extent, index, linearIndex,
 unsafeIndex, unsafeLinearIndex},
        Nothing)

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

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12604>
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