issue upgrading libcxxabi

[Joshua Root]

Ken Cunningham wrote:
> On 2018-01-30, at 9:44 AM, Riccardo Mottola via macports-users wrote:
>> before filing a bug, maybe this is expected and there is a stragey for updating it or replacing it with something?
>> This is on 10.6 Snow Leopard, btw.
> 
> The message is correct. This is expected.
> 
> It's been rolled into libcxx.

Why isn't it replaced_by libcxx then?

- Josh