New AIX testsuite failures

[Jonathan Wakely]

On 14/06/18 21:02 +0300, Ville Voutilainen wrote:
>On 14 June 2018 at 20:57, David Edelsohn <dje.gcc@gmail.com> wrote:
>> I'm still seeing two, new failures in the libstdc++ testsuite on AIX:
>>
>> 23_containers/array/tuple_interface/tuple_element_cpp14.cc
>> 20_util/pair/astuple/astuple_cpp14.cc
>>
>> Both additional errors are similar.  Appended below.
>>
>> Any idea what's wrong?
>
>I would wager that since <array> doesn't #include <tuple>, moving
>tuple_element_t with the feature macro
>borked it. :)

Right. No idea why I didn't see that failure though.

I'll fix it.