panic in 4.08.2.

[George Russell]

Simon Peyton-Jones wrote:
[snip]
> There's a simple workaround:
> - don't export unfoldings for the offending module (GuardedChannels).
> - or edit the .hi file by hand to remove the offending kind signature.
>   (I did this and it worked fine)
> 
> Drat.
[snip]
Well the first workaround (hacking my Makefiles to compile GuardedChannels with
 -funfolding-interface-threshold0) works.  Many thanks for the quick service,

George Russell