https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121335
--- Comment #2 from kongmingd234 <kongmingd234 at proton dot me> --- Created attachment 62050 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=62050&action=edit Module interface unit There is inconsistent macro definitions when I use -E to preprocess the file.