Deriving regression or bad code?

Ron Alford ronwalf at
Thu Apr 8 10:35:43 EDT 2010

At Igloo's suggestion, it's now a ticket:


On Thu, Apr 8, 2010 at 1:39 AM, Ron Alford <ronwalf at> wrote:
> I've attached the simplest example of my code that used to compile in
> GHC 6.10 now gives the error in GHC 6.12.1:

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