https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89893
--- Comment #23 from 康 珊 <kangshan0910 at hotmail dot com> --- (In reply to Martin Liška from comment #22) > (In reply to 康 珊 from comment #21) > > All of the experiments were did in according to the build steps I just gave > > to you. > > I'm sorry, but I would like to know whether you are talking about LTO builds > (w/ --enable-lto in configure) or not? You tried both, so I'm curious which > have you used? It is configured with "--enable-lto" and LDFLAGS="${LDFLAGS} -fno-lto", I'm not sure whether lto takes effect or not. Do you need me remove "enable-lto" in configure and try the experiments?