tree 1c37c61bdd809f71878aa640e37bb33ac2f0dcef
parent 7604b89063800f268cdf52ecae6c6a8eb04f4099
author Mark de Wever <koraq@xs4all.nl> 1712160924 +0200
committer Copybara-Service <copybara-worker@google.com> 1712161310 -0700

[libc++][chrono] Loads leap-seconds.list in tzdb. (#82113)

This implements the loading of the leap-seconds.list file and store its
contents in the tzdb struct.

This adds the required `leap_seconds` member.

The class leap_seconds is fully implemented including its non-member
functions.

Implements parts of:
- P0355 Extending <chrono> to Calendars and Time Zones
- P1614 The Mothership has Landed

Implements:
- P1981 Rename leap to leap_second
- LWG3359 <chrono> leap second support should allow for negative leap
seconds
- LWG3383 §[time.zone.leap.nonmembers] sys_seconds should be replaced
with seconds
GitOrigin-RevId: 6f2d8cc0614bee1074e9d11f1ac0df9ce9d185f6