[PATCH] aarch64: MTE compatible strchrnul

[Florian Weimer]

* Adhemerval Zanella via Libc-alpha:

> Afaiu there is no need to add any marking for MTE, the main difference
> it enforce 16-byte granularity read. I think you are confusing with
> BTI, which does require the GNU note.

If there is no compatibility issue, then why are these changes to the
glibc string functions needed?

Clearly I'm confused.

Thanks,
Florian