A bug of multicore IO manager

[Akio Takano]

I'm going to try to make a small test case today (probably after 08:00
UTC), but feel free to try it. If my guess is correct, reverting the patch
should fix the problem.

On Fri, Sep 6, 2013 at 7:38 AM, Kazu Yamamoto <kazu at iij.ad.jp> wrote:

> Hi Takano-san,
>
> > It looks like after the commit, addCFinalizerToWeak# can call into the GC
> > with the closure lock held. This means the info pointer points to
> > stg_WHITEHOLE_info, breaking the asserted invariant. I haven't done any
> > testing to confirm this, however.
>
> I can try. Should I revert this patch?
>
> --Kazu
>
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