Hi,
When I tried to build the SHA library with GHC head on on 32bit Linux,
GHC head got panic. GHC 7.4.2 can build SHA on the same machine.
Configuring SHA-1.6.1...
Building SHA-1.6.1...
Failed to install SHA-1.6.1
Last 10 lines of the build log (
/home/kazu/work/rpf/.cabal-sandbox/logs/SHA-1.6.1.log ):
Preprocessing library SHA-1.6.1...
[1 of 1] Compiling Data.Digest.Pure.SHA ( Data/Digest/Pure/SHA.hs,
dist/dist-sandbox-ef3aaa11/build/Data/Digest/Pure/SHA.o )
ghc: panic! (the 'impossible' happened)
(GHC version 7.7.20131202 for i386-unknown-linux):
regSpill: out of spill slots!
regs to spill = 1129
slots left = 677
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
--Kazu
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