https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107014
--- Comment #5 from Alexander Monakov <amonakov at gcc dot gnu.org> --- (In reply to Jiri Slaby from comment #4) > > I am surprised that "flatten" blows up on this function. Is that with any > > config, or again some specific settings like gcov? Is there an existing lkml > > thread about this? > > Yes, linked in the commit log: > https://lore.kernel.org/all/ > cak8p3a2zwfnexksm8k_suhhwkor17jfo3xaplxjzfpqx0eu...@mail.gmail.com/ I mean now, about compile time blowup with LTO.