https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114645
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- What does "quite a bit completely useless" mean? current_zone() tells you what /etc/localtime is set to. So it's as useless as /etc/localtime, no more and no less. Did you read the messages I linked to?
