https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92508
--- Comment #18 from Jan Hubicka <hubicka at ucw dot cz> --- > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92508 > > --- Comment #17 from Martin Liška <marxin at gcc dot gnu.org> --- > (In reply to Jan Hubicka from comment #14) > > > Did you use bootstrap-lto-lean (and not bootstrap-lto)? > > > > OK, I finally managed to reproduce and debug this. > > It is triggered by fact that bootstrap-lean is not training objc and > > other frontends which is probably not a good idea (at least from the > > objc developer POV). > > Yes, it will probably require running a subset of test-suite during the > training run. Right? We may do something like that, but testsuite requires dejagnu that is not normally necessary for bootstrapping. It would also let us to train -O0 compilation that is quite important for perofrmance, too.
