https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81797
--- Comment #16 from Jack Howarth <howarth.at.gcc at gmail dot com> --- The component on this bug should probably be switched back off of 'target' to 'libstdc++' as the broken stamps implementation is likely just latent on other targets because none of them have filesystems with the fine time granularity of APFS yet,