https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81117
--- Comment #15 from Martin Sebor <msebor at gcc dot gnu.org> --- (In reply to Dmitry G. Dyachenko from comment #12) LTO doesn't interact with these warnings very well. pr71907 and pr79062 track a couple of the problems I know about. If you find a different issue please do open a new bug.
