regSpill: out of spill slots!
runghc ./Setup.hs build
Building SHA-1.5.0.0...
Preprocessing library SHA-1.5.0.0...
[1 of 1] Compiling Data.Digest.Pure.SHA ( Data/Digest/Pure/SHA.hs, dist/build/Data/Digest/Pure/SHA.o )
ghc: panic! (the 'impossible' happened)
(GHC version 7.2.0.20110728 for x86_64-unknown-linux):
regSpill: out of spill slots!
regs to spill = 2479
slots left = 2040
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
Edited by Ian Lynagh -