https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65713
--- Comment #2 from Armin K. <krejzi at email dot com> --- Created attachment 35276 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35276&action=edit File used to produce the first two files Two files are generated with gcc -E _mkerrcodes.h