[Haskell-cafe] -O2 bug in GHC 6.8.1?

[Bertram Felgenhauer]

Brad Clow wrote:
> I upgraded from GHC 6.6.1 to 6.8.1 and around that time I noticed that
> the output from an app I am working on changed. I have distilled the
> code down to the following example that produces different output
> depending on whether it is compiled with -O2 or not:
[...]

I've created a bug report for this, see

   http://hackage.haskell.org/trac/ghc/ticket/1910

regards,

Bertram