https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120881
--- Comment #19 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to H.J. Lu from comment #18) > > Perhaps a better approach is to error out for -fstack-protector-all -pg > > without -fentry. > > It can happen without -fstack-protector-all. I see. I suggest to warn that for -pg -fshrink-wrap the results will be unreliable without -mfentry instead of silently switching to -mfentry.