Sync our copy of the timezone library with IANA release tzcode2018e. The non-cosmetic changes involve teaching the "zic" tzdata compiler about negative DST. While I'm not currently intending that we start using negative-DST data right away, it seems possible that somebody would try to use our copy of zic with bleeding-edge IANA data. So we'd better be out in front of this change code-wise, even though it doesn't matter for the data file we're shipping.
Discussion: https://postgr.es/m/30996.1525445...@sss.pgh.pa.us Branch ------ REL9_5_STABLE Details ------- https://git.postgresql.org/pg/commitdiff/4e0e9e59b7cef3bb9518e12ba44f04d91224779f Modified Files -------------- src/timezone/README | 2 +- src/timezone/localtime.c | 14 ++--- src/timezone/strftime.c | 2 +- src/timezone/zic.c | 157 ++++++++++++++++++++++++++++++++++++----------- 4 files changed, 129 insertions(+), 46 deletions(-)