https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107014
--- Comment #6 from Jiri Slaby <jirislaby at gmail dot com> --- (In reply to Alexander Monakov from comment #5) > I mean now, about compile time blowup with LTO. No, LTO is not supported by upstream (yet) ;). The point is what should I do when submitting the LTO support. Disabling flatten in the kernel completely does not sound about right. I wanted to confirm that this is not a compiler issue -- you guys say the function shoots to its leg by __flatten__. So thinking about the best approach...