http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55748
--- Comment #5 from warrenbear <chx319 at mail dot ustc.edu.cn> 2012-12-20 06:41:16 UTC --- Created attachment 29010 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=29010 It is the preprocessed file.