https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100811
--- Comment #7 from Florian Weimer <fw at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #6) > I think aarch64 defaults to -fno-omit-frame-pointer anyway. > /* Disable fomit-frame-pointer by default. */ > { OPT_LEVELS_ALL, OPT_fomit_frame_pointer, NULL, 0 }, It's required by some (all?) AArch64 ABIs, certainly on GNU/Linux.