GHC 7.0.4 recursion while trying to derive type

Bogdan Opanchuk mantihor at
Tue Jan 10 01:50:51 CET 2012

Hello Simon,

On Tue, Jan 10, 2012 at 12:17 AM, Simon Peyton-Jones
<simonpj at> wrote:
> If you think there's a bug here, could you open a ticket a repro case, please?

Sure, I just did not think it was sensible to file a bug on something
that had been apparently fixed in the most recent stable version of
GHC. Here's the bug:

Best regards,

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