https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83979
David Malcolm <dmalcolm at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2018-01-22 CC| |dmalcolm at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> --- Confirmed. The "-x c++" isn't necessary, simply using g++ is enough.