https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107089
--- Comment #2 from JohnDoe <wcs84014 at xcoxc dot com> --- >Andrew Pinski Thank you for your reply. That's right. Therefore, I am currently using my own parser. Nobody needs fix, so you can close this topic. However, the cause of the bug seems to be a mistake in the pointer count as: while(++p) <-> while(p++) I already read the document: https://gcc.gnu.org/onlineDocscpp I have used a little M4 in Autotools. Certainly POSIX, portable, real macro, but minor. I tried to provide a mechanism to customize to ordinary users using the CPP.
