https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80755
--- Comment #1 from Pekka S <p...@gcc-bugzilla.mail.kapsi.fi> --- Created attachment 41359 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41359&action=edit trips __has_include_next. must be placed under last-include-dir/