https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69715
--- Comment #15 from Kip Warner <kip at thevertigo dot com> --- Thank you for your hard work, Richard. It's very appreciated. I can't imagine what it would be like to debug GCC. Which stable version of GCC should I look for that will be the newest to carry your fix? I'm guessing > 5.3 or 4.9.(>4)?