#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: -------------------------------------+------------------------------------- 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 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12216 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler