[C++] fix alias and members

[Jason Merrill]

On 06/08/2010 03:29 PM, Nathan Sidwell wrote:
> hm, ok, but a weakref must have static (local) linkage, which is
> something a member function cannot have. The case where a member
> function could behave as-if it had static linkage would be in an
> anonymous namespace. But in that case the class itself is local to the
> TU. So again, I think we're ok.

Fair enough.

Jason