[GHC] #12216: GHC 8.0.1 panics when compiling JuicyPixels-repa 0.7.1

[GHC]

#12216: GHC 8.0.1 panics when compiling JuicyPixels-repa 0.7.1
-------------------------------------+-------------------------------------
           Reporter:  cgo            |             Owner:
               Type:  bug            |            Status:  new
           Priority:  normal         |         Milestone:
          Component:  Compiler       |           Version:  8.0.1
           Keywords:                 |  Operating System:  MacOS X
       Architecture:  x86_64         |   Type of failure:  Compile-time
  (amd64)                            |  crash
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
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 This just happened on macOS 10.11.5:

 Configuring JuicyPixels-repa-0.7.1.0...
 Building JuicyPixels-repa-0.7.1.0...
 Preprocessing library JuicyPixels-repa-0.7.1.0...
 [1 of 1] Compiling Codec.Picture.Repa ( Codec/Picture/Repa.hs, dist/dist-
 sandbox-94652cd7/build/Codec/Picture/Repa.o )
 ghc: panic! (the 'impossible' happened)
   (GHC version 8.0.1 for x86_64-apple-darwin):
         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

 cabal: Leaving directory '/var/folders/lj/5d92khf937120qgs9xccbn400000gn/T
 /cabal-tmp-24887/JuicyPixels-repa-0.7.1.0'
 Updating documentation index

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12216>
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