https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110394
--- Comment #1 from jackyguo18 at hotmail dot com --- Created attachment 55396 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55396&action=edit .ii file which triggers the bug I couldn't attach the original .ii file, so I had to compress it under gzip.