weired exception ?

[Marc Weber]

> Sound like it might be connected to bug #945, which was closed only as
> cantreproduce...

I can't either now.. Even with nix.
It has been reallly strange because adding 10 echo dummy lines did make
it go away.. removing one did make it appear again..

I'll ask ot #ghc (Ian is there too) when the trouble appears again.

Thanks for digging up the bug report

Marc Weber