ghc: panic! (the 'impossible' happened). RegAllocLinear.getStackSlotFor: out of stack slots, try -fregs-graph
Linking dist/build/SymmetricTest/SymmetricTest ...
[1 of 4] Compiling Codec.Utils ( Codec/Utils.hs, dist/build/SHA1Test/SHA1Test-tmp/Codec/Utils.o )
[2 of 4] Compiling Data.Digest.SHA1 ( Data/Digest/SHA1.hs, dist/build/SHA1Test/SHA1Test-tmp/Data/Digest/SHA1.o )
[3 of 4] Compiling Codec.Text.Raw ( Codec/Text/Raw.hs, dist/build/SHA1Test/SHA1Test-tmp/Codec/Text/Raw.o )
[4 of 4] Compiling Main ( SHA1Test.hs, dist/build/SHA1Test/SHA1Test-tmp/Main.o )
ghc: panic! (the 'impossible' happened)
(GHC version 6.10.2 for i386-unknown-linux):
RegAllocLinear.getStackSlotFor: out of stack slots, try -fregs-graph
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
(Crypto 4.1.0)