jhc -v -ffast --optc=-march=opteron -o atom atom.hs
jhc 0.1 20070302 (nioteadd+0)
Compiling [Right "atom.hs"]
Loading libraries: ["base","haskell98"]
Loading library: "base-1.0" @ "/home/dons/lib/jhc/base-1.0.hl"
Found object file: ~/lib/jhc/base-1.0.hl
Loading library: "haskell98-1.0" @ "/home/dons/lib/jhc/haskell98-1.0.hl"
Found object file: ~/lib/jhc/haskell98-1.0.hl
Found object file: atom.ho
PassStats
jhc: <stderr>: hPutStr: illegal operation (handle is finalized)