[google] Work around PR52796 by replacing empty packs with explicit overloads. (issue5971053)

[Jason Merrill]

On 04/01/2012 12:38 PM, Diego Novillo wrote:
> I'm not sure it makes sense to propose it for gcc-4_6-branch. Jason/Ben,
> any opinions on PR 52796 and what should we do for gcc-4_6-branch?

Fixed.  :)

Jason