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

[ejolson at unr dot edu]

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

--- Comment #1 from Eric <ejolson at unr dot edu> ---
To check the installed version of iconv has C99 support type

  $ iconv --list | grep "C99"
  C99
  $

which means that iconv is recent enough.