GHC 8.0.1 panics when compiling JuicyPixels-repa 0.7.1

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

changed weight to 5

added Tbug Trac import labels

changed the description

closed

Dup of #12127 (closed). Am fixing

Trac metadata

Trac field	Value
Resolution	Unresolved → ResolvedDuplicate

mentioned in commit 393928db

I believe this is now fixed.

Wow, that was quick; thanks Simon! While I'm at it, thanks for all the other work you put into GHC.

Trac metadata

Trac field	Value
Related	- → #12127 (closed)

added compiler crash label

added Pnormal label