[PATCH v3] arm: memcpy: fix copying big data does not meet expectations [BZ #25620]

[Florian Weimer]

How can we move this forward?

We have a second patch now, but the copyright status of that is unclear
to me:

  <https://sourceware.org/pipermail/libc-alpha/2020-June/114702.html>

Thanks,
Florian