https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77421
--- Comment #9 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- || xloc.file == '\0' || xloc.file[0] == '\xff' || xloc.file[1] == '\xff') This missing warning is PR64767
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77421
--- Comment #9 from Manuel López-Ibáñez <manu at gcc dot gnu.org> --- || xloc.file == '\0' || xloc.file[0] == '\xff' || xloc.file[1] == '\xff') This missing warning is PR64767