https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70611
--- Comment #8 from Sam James <sjames at gcc dot gnu.org> --- (In reply to Manuel López-Ibáñez from comment #4) AFAIK, it's "just" the generic late-optimisation warnings issue in general, so the warning isn't broken with LTO, it's just more likely to have be bogus there.
