[GHC] #10458: GHCi fails to load shared object (the 'impossible' happened)
GHC
ghc-devs at haskell.org
Thu Sep 15 00:45:41 UTC 2016
#10458: GHCi fails to load shared object (the 'impossible' happened)
-------------------------------+----------------------------------------
Reporter: rleslie | Owner:
Type: bug | Status: new
Priority: highest | Milestone: 8.0.1
Component: GHCi | Version: 7.10.1
Resolution: | Keywords:
Operating System: Linux | Architecture: Unknown/Multiple
Type of failure: GHCi crash | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s): Phab:D1631
Wiki Page: |
-------------------------------+----------------------------------------
Changes (by basvandijk):
* status: closed => new
* owner: trommler =>
* resolution: fixed =>
Comment:
As also mentioned in #12152 I'm getting the following panic with GHC-8.0.1
which looks very similar to the error discussed in this ticket:
{{{
$ git clone https://github.com/LumiGuide/haskell-opencv.git
$ cd haskell-opencv
$ nix-shell -I nixpkgs=../nixpkgs # a checkout of a recent nixos-16.09
$ rm -rf dist/
$ cabal build -v
Package has never been configured. Configuring with default flags. If this
fails, please run configure manually.
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/ghc --numeric-
version
looking for tool ghc-pkg near compiler in
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin
found ghc-pkg in
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/ghc-pkg
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/ghc-pkg
--version
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/ghc --supported-
languages
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/ghc --info
Reading available packages...
/nix/store/pkymfih8lf7j3ib6bfab7srri4xiyw34-pkg-config-0.29/bin/pkg-config
--version
/nix/store/pkymfih8lf7j3ib6bfab7srri4xiyw34-pkg-config-0.29/bin/pkg-config
--list-all
/nix/store/pkymfih8lf7j3ib6bfab7srri4xiyw34-pkg-config-0.29/bin/pkg-config
--modversion poppler-cairo Wand-6.Q16 'ImageMagick++-6.Q16' python2 formw
'ncurses++' openssl libkeymap libgvc MagickWand-6.Q16 blkid form libxdot
opencv ImageMagick menu smartcols libsystemd-login gimpui-2.0 libcdt
libgvpr devmapper com_err libcurl libssl libsystemd-journal polkit-
gobject-1 libecpg libsystemd polkit-agent-1 libpathplan nix-main libpci
poppler panelw Wand libcap xorg-server e2p ImageMagick-6.Q16 liblzma
gimpthumb-2.0 ncurses lvm2app MagickCore sqlite3 python libpq libcgraph
xtables libprocps libkmod libip4tc libecpg_compat libpgtypes nix-store
libcrypto poppler-splash libudev panel ext2fs libiptc poppler-glib
'Magick++-6.Q16' python-2.7 fdisk uuid libsystemd-daemon nix-expr poppler-
cpp libip6tc mount fuse MagickWand gimp-2.0 fontconfig udisks2 ncursesw ss
'ImageMagick++' MagickCore-6.Q16 'Magick++' menuw libsystemd-id128
'ncurses++w'
Choosing modular solver.
Resolving dependencies...
creating dist/setup
creating dist
creating dist/setup
copy ./Setup.hs to ./dist/setup/setup.hs
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/ghc --make -odir
./dist/setup -hidir ./dist/setup -i -i. -package-id Cabal-1.24.0.0
./dist/setup/setup.hs -o ./dist/setup/setup -threaded
[1 of 1] Compiling Main ( dist/setup/setup.hs,
dist/setup/Main.o )
Linking ./dist/setup/setup ...
./dist/setup/setup configure --verbose=2 --builddir=dist --ghc
--prefix=/home/bas.van.dijk/.cabal --user
--extra-prog-path=/home/bas.van.dijk/.cabal/bin
--dependency=aeson=aeson-0.11.2.1-11xZO4dSHJ36B3esP34sNx
--dependency=base=base-4.9.0.0
--dependency=base64-bytestring=base64-bytestring-1.0.0.1-In9M41tLtcS9QYt3QpGpNY
--dependency=bindings-DSL=bindings-DSL-1.0.23-GUrVdpTUVQC2JWoov2sGwA
--dependency=bytestring=bytestring-0.10.8.1
--dependency=containers=containers-0.5.7.1
--dependency=deepseq=deepseq-1.4.2.0
--dependency=inline-c=inline-c-0.5.5.7-3JCuNEZtXHO4YTLZSRWOQ2
--dependency=inline-c-cpp=inline-c-cpp-0.1.0.0-2wSjs2z7tfoLnsB36U1XGl
--dependency=linear=linear-1.20.5-2Z9jl9x0ElZ4xkEQ6d4gVk
--dependency=primitive=primitive-0.6.1.0-Ip44DqhfCp21tTUYbecwa
--dependency=repa=repa-3.4.1.1-FdCcjPvmfDZGBwGc0CsqjV
--dependency=template-haskell=template-haskell-2.11.0.0
--dependency=text=text-1.2.2.1-JAnD1x1IHr6H3rdrqlXcyH
--dependency=transformers=transformers-0.5.2.0
--dependency=vector=vector-0.11.0.0-BEDZb5o2QOhGbIm6ky7rl6 --disable-tests
--exact-configuration --disable-benchmarks
Configuring opencv-0.0.0...
Dependency aeson ==0.11.2.1: using aeson-0.11.2.1
Dependency base ==4.9.0.0: using base-4.9.0.0
Dependency base64-bytestring ==1.0.0.1: using base64-bytestring-1.0.0.1
Dependency bindings-DSL ==1.0.23: using bindings-DSL-1.0.23
Dependency bytestring ==0.10.8.1: using bytestring-0.10.8.1
Dependency containers ==0.5.7.1: using containers-0.5.7.1
Dependency deepseq ==1.4.2.0: using deepseq-1.4.2.0
Dependency inline-c ==0.5.5.7: using inline-c-0.5.5.7
Dependency inline-c-cpp ==0.1.0.0: using inline-c-cpp-0.1.0.0
Dependency linear ==1.20.5: using linear-1.20.5
Dependency primitive ==0.6.1.0: using primitive-0.6.1.0
Dependency repa ==3.4.1.1: using repa-3.4.1.1
Dependency template-haskell ==2.11.0.0: using template-haskell-2.11.0.0
Dependency text ==1.2.2.1: using text-1.2.2.1
Dependency transformers ==0.5.2.0: using transformers-0.5.2.0
Dependency vector ==0.11.0.0: using vector-0.11.0.0
Dependency opencv -any: using version 3.1.0
Using Cabal-1.24.0.0 compiled by ghc-8.0
Using compiler: ghc-8.0.1
Using install prefix: /home/bas.van.dijk/.cabal
Binaries installed in: /home/bas.van.dijk/.cabal/bin
Libraries installed in:
/home/bas.van.dijk/.cabal/lib/x86_64-linux-
ghc-8.0.1/opencv-0.0.0-2zTtfFNABNdFAnLU4MNJ6b
Private binaries installed in: /home/bas.van.dijk/.cabal/libexec
Data files installed in:
/home/bas.van.dijk/.cabal/share/x86_64-linux-ghc-8.0.1/opencv-0.0.0
Documentation installed in:
/home/bas.van.dijk/.cabal/share/doc/x86_64-linux-ghc-8.0.1/opencv-0.0.0
Configuration files installed in: /home/bas.van.dijk/.cabal/etc
No alex found
Using ar found on system at:
/nix/store/v77miigq2dx55ga1hxfv3k7v9a873472-binutils-2.27/bin/ar
No c2hs found
Using cpphs version 1.20.2 found on system at:
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/cpphs
Using gcc version 5.4.0 given by user at:
/nix/store/45qrn064f92kfxnjg99z39zxda671h6f-gcc-wrapper-5.4.0/bin/g++
Using ghc version 8.0.1 found on system at:
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/ghc
Using ghc-pkg version 8.0.1 found on system at:
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/ghc-pkg
No ghcjs found
No ghcjs-pkg found
No greencard found
Using haddock version 2.17.2 found on system at:
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/haddock
No happy found
Using haskell-suite found on system at: haskell-suite-dummy-location
Using haskell-suite-pkg found on system at: haskell-suite-pkg-dummy-
location
No hmake found
Using hpc version 0.67 found on system at:
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/hpc
Using hsc2hs version 0.68 found on system at:
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/hsc2hs
Using hscolour version 1.24 found on system at:
/run/current-system/sw/bin/HsColour
No jhc found
Using ld given by user at:
/nix/store/45qrn064f92kfxnjg99z39zxda671h6f-gcc-wrapper-5.4.0/bin/g++
No lhc found
No lhc-pkg found
Using pkg-config version 0.29 found on system at:
/nix/store/pkymfih8lf7j3ib6bfab7srri4xiyw34-pkg-config-0.29/bin/pkg-config
Using strip version 2.27 found on system at:
/nix/store/v77miigq2dx55ga1hxfv3k7v9a873472-binutils-2.27/bin/strip
Using tar found on system at:
/nix/store/blzs121zpxzms8axnblp1pbbzphrsb2r-gnutar-1.29/bin/tar
No uhc found
creating dist/setup
./dist/setup/setup build --verbose=2 --builddir=dist --jobs=2
Component build order: library
creating dist/build
creating dist/build/autogen
Building opencv-0.0.0...
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/ghc-pkg init
dist/package.conf.inplace
Preprocessing library opencv-0.0.0...
creating dist/build/OpenCV/Core
creating dist/build/OpenCV
creating dist/build/OpenCV/Core
...
... Lots of calls to hsc2hs
...
Building library...
creating dist/build
/nix/store/91grrinb827jsdr44yd2lqls9i7z2az0-ghc-8.0.1/bin/ghc \
--make \
-fbuilding-cabal-package \
-O \
-j2 \
-static -dynamic-too \
-dynosuf dyn_o -dynhisuf dyn_hi \
-outputdir dist/build -odir dist/build -hidir dist/build -stubdir
dist/build \
-i \
-idist/build \
-isrc \
-idist/build/autogen \
-Idist/build/autogen \
-Idist/build \
-Iinclude \
-I/nix/store/gyqgb314gb2jny8xjix3bdrly50p9mrz-
opencv-3.1.0/include/opencv \
-I/nix/store/gyqgb314gb2jny8xjix3bdrly50p9mrz-opencv-3.1.0/include \
-optP-include \
-optPdist/build/autogen/cabal_macros.h \
-this-unit-id opencv-0.0.0-2zTtfFNABNdFAnLU4MNJ6b \
-hide-all-packages \
-package-db dist/package.conf.inplace \
-package-id aeson-0.11.2.1-11xZO4dSHJ36B3esP34sNx \
-package-id base-4.9.0.0 \
-package-id base64-bytestring-1.0.0.1-In9M41tLtcS9QYt3QpGpNY \
-package-id bindings-DSL-1.0.23-GUrVdpTUVQC2JWoov2sGwA \
-package-id bytestring-0.10.8.1 -package-id containers-0.5.7.1 \
-package-id deepseq-1.4.2.0 \
-package-id inline-c-0.5.5.7-3JCuNEZtXHO4YTLZSRWOQ2 \
-package-id inline-c-cpp-0.1.0.0-2wSjs2z7tfoLnsB36U1XGl \
-package-id linear-1.20.5-2Z9jl9x0ElZ4xkEQ6d4gVk \
-package-id primitive-0.6.1.0-Ip44DqhfCp21tTUYbecwa \
-package-id repa-3.4.1.1-FdCcjPvmfDZGBwGc0CsqjV \
-package-id template-haskell-2.11.0.0 \
-package-id text-1.2.2.1-JAnD1x1IHr6H3rdrqlXcyH \
-package-id transformers-0.5.2.0 \
-package-id vector-0.11.0.0-BEDZb5o2QOhGbIm6ky7rl6 \
-XHaskell2010 -XBangPatterns -XDataKinds -XFlexibleContexts \
-XFlexibleInstances -XLambdaCase -XOverloadedStrings \
-XPackageImports -XPolyKinds -XScopedTypeVariables \
-XTupleSections -XTypeFamilies -XTypeOperators \
OpenCV OpenCV.Calib3d OpenCV.Core.ArrayOps OpenCV.Core.Types
OpenCV.Core.Types.Mat OpenCV.Core.Types.Mat.HMat
OpenCV.Core.Types.Mat.Repa OpenCV.Core.Types.Matx OpenCV.Core.Types.Point
OpenCV.Core.Types.Rect OpenCV.Core.Types.Size OpenCV.Core.Types.Vec
OpenCV.Exception OpenCV.Features2d OpenCV.HighGui OpenCV.ImgCodecs
OpenCV.ImgProc.ColorMaps OpenCV.ImgProc.Drawing
OpenCV.ImgProc.FeatureDetection OpenCV.ImgProc.GeometricImgTransform
OpenCV.ImgProc.ImgFiltering OpenCV.ImgProc.MiscImgTransform
OpenCV.ImgProc.MiscImgTransform.ColorCodes OpenCV.ImgProc.ObjectDetection
OpenCV.ImgProc.StructuralAnalysis OpenCV.ImgProc.Types OpenCV.JSON
OpenCV.Photo OpenCV.TypeLevel OpenCV.Unsafe OpenCV.Video
OpenCV.Video.MotionAnalysis OpenCV.VideoIO.VideoCapture OpenCV.Internal
OpenCV.Internal.Mutable OpenCV.Internal.C.Inline
OpenCV.Internal.C.PlacementNew OpenCV.Internal.C.PlacementNew.TH
OpenCV.Internal.C.Types OpenCV.Internal.Calib3d.Constants
OpenCV.Internal.Core.ArrayOps OpenCV.Internal.Core.Types
OpenCV.Internal.Core.Types.Constants OpenCV.Internal.Core.Types.Mat
OpenCV.Internal.Core.Types.Mat.Depth
OpenCV.Internal.Core.Types.Mat.Marshal
OpenCV.Internal.Core.Types.Mat.ToFrom OpenCV.Internal.Core.Types.Matx
OpenCV.Internal.Core.Types.Matx.TH OpenCV.Internal.Core.Types.Point
OpenCV.Internal.Core.Types.Point.TH OpenCV.Internal.Core.Types.Rect
OpenCV.Internal.Core.Types.Rect.TH OpenCV.Internal.Core.Types.Size
OpenCV.Internal.Core.Types.Size.TH OpenCV.Internal.Core.Types.Vec
OpenCV.Internal.Core.Types.Vec.TH OpenCV.Internal.Exception
OpenCV.Internal.ImgCodecs OpenCV.Internal.ImgProc.MiscImgTransform
OpenCV.Internal.ImgProc.MiscImgTransform.TypeLevel
OpenCV.Internal.ImgProc.MiscImgTransform.ColorCodes
OpenCV.Internal.ImgProc.Types OpenCV.Internal.Photo.Constants \
-Wall \
-fwarn-incomplete-patterns \
-funbox-strict-fields \
-O2
[ 1 of 64] Compiling OpenCV.Internal.Photo.Constants (
dist/build/OpenCV/Internal/Photo/Constants.hs,
dist/build/OpenCV/Internal/Photo/Constants.o )
[ 2 of 64] Compiling OpenCV.Internal.ImgProc.MiscImgTransform (
dist/build/OpenCV/Internal/ImgProc/MiscImgTransform.hs,
dist/build/OpenCV/Internal/ImgProc/MiscImgTransform.o )
[ 3 of 64] Compiling OpenCV.Internal.ImgCodecs (
dist/build/OpenCV/Internal/ImgCodecs.hs,
dist/build/OpenCV/Internal/ImgCodecs.o )
[ 4 of 64] Compiling OpenCV.Internal.Core.Types.Constants (
dist/build/OpenCV/Internal/Core/Types/Constants.hs,
dist/build/OpenCV/Internal/Core/Types/Constants.o )
[ 5 of 64] Compiling OpenCV.Internal.C.PlacementNew (
src/OpenCV/Internal/C/PlacementNew.hs,
dist/build/OpenCV/Internal/C/PlacementNew.o )
[ 6 of 64] Compiling OpenCV.Internal.C.PlacementNew.TH (
src/OpenCV/Internal/C/PlacementNew/TH.hs,
dist/build/OpenCV/Internal/C/PlacementNew/TH.o )
[ 7 of 64] Compiling OpenCV.Internal.Mutable (
src/OpenCV/Internal/Mutable.hs, dist/build/OpenCV/Internal/Mutable.o )
[ 8 of 64] Compiling OpenCV.Internal.Core.ArrayOps (
dist/build/OpenCV/Internal/Core/ArrayOps.hs,
dist/build/OpenCV/Internal/Core/ArrayOps.o )
[ 9 of 64] Compiling OpenCV.Internal ( src/OpenCV/Internal.hs,
dist/build/OpenCV/Internal.o )
[10 of 64] Compiling OpenCV.Internal.Calib3d.Constants (
dist/build/OpenCV/Internal/Calib3d/Constants.hs,
dist/build/OpenCV/Internal/Calib3d/Constants.o )
[11 of 64] Compiling OpenCV.Internal.C.Types (
src/OpenCV/Internal/C/Types.hs, dist/build/OpenCV/Internal/C/Types.o )
[12 of 64] Compiling OpenCV.Internal.Core.Types.Matx (
src/OpenCV/Internal/Core/Types/Matx.hs,
dist/build/OpenCV/Internal/Core/Types/Matx.o )
[13 of 64] Compiling OpenCV.Internal.Core.Types.Matx.TH (
src/OpenCV/Internal/Core/Types/Matx/TH.hs,
dist/build/OpenCV/Internal/Core/Types/Matx/TH.o )
[14 of 64] Compiling OpenCV.Internal.Core.Types.Point (
src/OpenCV/Internal/Core/Types/Point.hs,
dist/build/OpenCV/Internal/Core/Types/Point.o )
[15 of 64] Compiling OpenCV.Internal.Core.Types.Point.TH (
src/OpenCV/Internal/Core/Types/Point/TH.hs,
dist/build/OpenCV/Internal/Core/Types/Point/TH.o )
[16 of 64] Compiling OpenCV.Internal.Core.Types.Size (
src/OpenCV/Internal/Core/Types/Size.hs,
dist/build/OpenCV/Internal/Core/Types/Size.o )
[17 of 64] Compiling OpenCV.Internal.Core.Types.Size.TH (
src/OpenCV/Internal/Core/Types/Size/TH.hs,
dist/build/OpenCV/Internal/Core/Types/Size/TH.o )
[18 of 64] Compiling OpenCV.Internal.Core.Types.Vec (
src/OpenCV/Internal/Core/Types/Vec.hs,
dist/build/OpenCV/Internal/Core/Types/Vec.o )
[19 of 64] Compiling OpenCV.Internal.Core.Types.Vec.TH (
src/OpenCV/Internal/Core/Types/Vec/TH.hs,
dist/build/OpenCV/Internal/Core/Types/Vec/TH.o )
[20 of 64] Compiling OpenCV.Internal.C.Inline (
src/OpenCV/Internal/C/Inline.hs, dist/build/OpenCV/Internal/C/Inline.o )
[21 of 64] Compiling OpenCV.Core.Types.Size (
src/OpenCV/Core/Types/Size.hs, dist/build/OpenCV/Core/Types/Size.o )
[22 of 64] Compiling OpenCV.Core.Types.Vec ( src/OpenCV/Core/Types/Vec.hs,
dist/build/OpenCV/Core/Types/Vec.o )
[23 of 64] Compiling OpenCV.TypeLevel ( src/OpenCV/TypeLevel.hs,
dist/build/OpenCV/TypeLevel.o )
[24 of 64] Compiling OpenCV.Internal.ImgProc.MiscImgTransform.TypeLevel (
src/OpenCV/Internal/ImgProc/MiscImgTransform/TypeLevel.hs,
dist/build/OpenCV/Internal/ImgProc/MiscImgTransform/TypeLevel.o )
[25 of 64] Compiling OpenCV.Internal.ImgProc.MiscImgTransform.ColorCodes (
src/OpenCV/Internal/ImgProc/MiscImgTransform/ColorCodes.hs,
dist/build/OpenCV/Internal/ImgProc/MiscImgTransform/ColorCodes.o )
[26 of 64] Compiling OpenCV.ImgProc.MiscImgTransform.ColorCodes (
src/OpenCV/ImgProc/MiscImgTransform/ColorCodes.hs,
dist/build/OpenCV/ImgProc/MiscImgTransform/ColorCodes.o )
[27 of 64] Compiling OpenCV.Internal.Core.Types.Mat.Depth (
src/OpenCV/Internal/Core/Types/Mat/Depth.hs,
dist/build/OpenCV/Internal/Core/Types/Mat/Depth.o )
[28 of 64] Compiling OpenCV.Internal.Exception (
src/OpenCV/Internal/Exception.hs, dist/build/OpenCV/Internal/Exception.o )
[29 of 64] Compiling OpenCV.Exception ( src/OpenCV/Exception.hs,
dist/build/OpenCV/Exception.o )
[30 of 64] Compiling OpenCV.Internal.Core.Types.Mat.Marshal (
dist/build/OpenCV/Internal/Core/Types/Mat/Marshal.hs,
dist/build/OpenCV/Internal/Core/Types/Mat/Marshal.o )
[31 of 64] Compiling OpenCV.Core.Types.Point (
src/OpenCV/Core/Types/Point.hs, dist/build/OpenCV/Core/Types/Point.o )
[32 of 64] Compiling OpenCV.Internal.Core.Types (
src/OpenCV/Internal/Core/Types.hs, dist/build/OpenCV/Internal/Core/Types.o
)
[33 of 64] Compiling OpenCV.Internal.Core.Types.Mat (
src/OpenCV/Internal/Core/Types/Mat.hs,
dist/build/OpenCV/Internal/Core/Types/Mat.o )
<no location info>: error:
ghc: panic! (the 'impossible' happened)
(GHC version 8.0.1 for x86_64-unknown-linux):
Loading temp shared object failed:
/run/user/1001/ghc8697_0/libghc_200.so: undefined symbol:
inline_c_OpenCV_Internal_Exception_1_2402dbf3aea4f7f79392b71ed42618962a22e9aa
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
[36 of 64] Compiling OpenCV.Internal.Core.Types.Rect (
src/OpenCV/Internal/Core/Types/Rect.hs,
dist/build/OpenCV/Internal/Core/Types/Rect.o )
[37 of 64] Compiling OpenCV.Internal.Core.Types.Rect.TH (
src/OpenCV/Internal/Core/Types/Rect/TH.hs,
dist/build/OpenCV/Internal/Core/Types/Rect/TH.o )
[38 of 64] Compiling OpenCV.Core.Types.Rect (
src/OpenCV/Core/Types/Rect.hs, dist/build/OpenCV/Core/Types/Rect.o )
<no location info>: error:
ghc: panic! (the 'impossible' happened)
(GHC version 8.0.1 for x86_64-unknown-linux):
Loading temp shared object failed:
/run/user/1001/ghc8697_0/libghc_206.so: undefined symbol:
inline_c_OpenCV_Core_Types_Point_19_5c3d561e8841e5271fd465bfb109504b1d56b3f6
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
[39 of 64] Compiling OpenCV.Core.Types.Matx (
src/OpenCV/Core/Types/Matx.hs, dist/build/OpenCV/Core/Types/Matx.o )
}}}
The details are in https://github.com/NixOS/nixpkgs/issues/18558.
It's worth repeating here that I've successfully build `haskell-opencv`
with GHC-8.0.1 before on an older version of `nixpkgs`. So it has probably
something to do with how GHC is packaged in `nixpkgs` or with the used
`binutils`. However, a GHC panic should also warrant a ticket on the GHC
bug tracker so here it is.
Although this ticket is about GHCi and I'm using GHC do note that
`haskell-opencv` makes use of template-haskell in lots of places which I
believe is using GHCi internally.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10458#comment:45>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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