https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85776
--- Comment #3 from Liu Hao <lh_mouse at 126 dot com> --- Created attachment 44134 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44134&action=edit preprocessed source with GCC 8.1 N.B. This file is very large.