[Bug c/67224] UTF-8 support for identifier names in GCC

[lhyatt at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67224

--- Comment #34 from Lewis Hyatt <lhyatt at gmail dot com> ---
(In reply to Eric Gallager from comment #33)
> This is a big enough feature that it should probably get an entry in
> gcc-10/changes.html

I emailed a suggested patch to that effect here:
https://gcc.gnu.org/ml/gcc-patches/2020-01/msg01667.html. I can commit if it
looks OK. Thanks!