length of module name affecting performance??

[Neil Mitchell]

Hi

>> I'm using GHC 6.10.1 on OS X. Any ideas on what may be going on?
>
> Wow. Awesome bug! Got lots of discussion at Galois :)
>
> I can confirm a difference in running time, we also tested with 6.8.x and 6.10,
> with similar results.

Is -O2 implying -fvia-C? If so, could it be the evil mangler? Is there
a non-alpha rename difference in the Core?

Very cool bug :-)

Thanks

Neil