https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90627
--- Comment #3 from bogi788 at hotmail dot com --- Created attachment 46415 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46415&action=edit gcc 9.1.0 preprocessed source the same file preprocessed with gcc 9.1.0, though i doubt it'll be much help.