FFI: passing 6 FD arguments doesn't work

[Sven Panne]

Simon Marlow wrote:
> [...] George, can you verify that your test case works fine if you use
> -fvia-C? [...]

I tested George's stuff on our Solaris box, and it fails without -fvia-C
(during the fprintf) and works with this option.

Cheers,
   S.