https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110610
--- Comment #5 from avieira at gcc dot gnu.org --- intenral-fn.h is generated at gcc build-time. I'm not sure we want to 'install' it with a gcc install. Might make more sense to trigger a the generation of it when building this gcc-plugin. But I'm not sure... I'll ask around the community see what people think.
