https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67224
--- Comment #8 from Eric <ejolson at unr dot edu> --- Created attachment 36196 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36196&action=edit Test program with UTF-8 identifiers... Compile this test program using gcc \ -finput-charset=UTF-8 -fextended-identifiers \ -o circle circle.c to check whether gcc can handle UTF-8 identifiers.