https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88424
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Component|c |preprocessor --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Most likely \r is being treated as a new line just like \n. Remember \r by itself is the new line endings on the classic mac os.