https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67224
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2015-08-17 CC| |manu at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #10 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- (In reply to Eric from comment #7) > command line options > > -finput-charset=UTF-8 -fextended-identifiers > > are both needed in order to compile a UTF-8 input file containing unicode Note also that since GCC 5.1: The option -fextended-identifiers is now enabled by default for C++, and for C99 and later C versions (https://gcc.gnu.org/gcc-5/changes.html) and the default C version is C11, thus it is enabled by default.