https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83022
--- Comment #4 from Marc Glisse <glisse at gcc dot gnu.org> --- (In reply to Nathan Sidwell from comment #2) > I noticed the crazy default probabilities during investigating this. I > think that's really a second-order problem. It's just that comparing the frequencies (or however they are called now) could be an easier and less restrictive check than exact CFG matching.