[patch] Fix a few related COFF comdat issues

[Rafael Espíndola]

On 6 June 2014 15:07, Reid Kleckner <rnk at google.com> wrote:
> Thanks, this is great!  lgtm
>
> @@ -54,12 +49,9 @@ class MCSymbol;
>                    const MCSectionCOFF *Assoc, SectionKind K)
>
> Do we need the Assoc parameter still?


No, good catch.

I had also forgotten to update the documentation. I fixed both and
committed as r210367.

Cheers,
Rafael