V6 test-in-container patch

[DJ Delorie]

Ping?

https://www.sourceware.org/ml/libc-alpha/2018-08/msg00098.html

On 03 Aug, DJ Delorie <dj@redhat.com> writes:
> No changes since last submittal (V5), I bumped to V6 to drop the RFQ
> tag.  bash, echo, and true added to buildroot.  Parallel/cross/native
> testing supported.  I'm pretty sure I've covered everyone's comments
> and suggestions, and added or changed all the things that need to be
> added or changed.
>
> May I check it in yet?  Joseph, Carlos, Florian - you've reviewed it
> in the past, do you wish to review it again?  Or either join consensus
> or abstain (if time doesn't permit)?