On Sun, Feb 03, 2008 at 02:37:42PM -0500, Adam P Jenkins wrote:
> The haskell program below demonstrates an optimization bug with the
> GHC compiler.  I have tried this with ghc 6.8.1 on my MacBook Pro and
> on a Linux i686 machine.  This email should build as a literate haskell
> program.  Build the program as

While this may be unfortunate, it is a consequence of document
behavior; thus I would not consider it a bug per-se.  Try with
-fno-state-hack; the documentation for this option, I believe, should
explain what is going on.  (Hint: IO a ~ State# -> (State#, a))

Stefan

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