https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106499
--- Comment #15 from Tomasz Kłoczko <kloczko.tomasz at gmail dot com> --- (In reply to Richard Biener from comment #14) > In addition to that, -flto-partition=none is almost never a good idea either. > > Note I think that we should honor flatten only during early inlining to > avoid all kinds of funny behavior when applying cross TU. Issue is that in few cases AFAIK it is only solution to some still unresolved LTO issues :/