https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64828
--- Comment #7 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Jonathan Wakely from comment #6) > But not in libstdc++ any longer. Please re-open and change the component if > you want it fixed in libsanitizer, otherwise I'm closing this as fixed. True. Libsanitizer warnings are reported in PR64841.