https://gcc.gnu.org/g:02d9bbd206fe139f2e01233a0f66c8e6e5ebb8d5
commit r14-12603-g02d9bbd206fe139f2e01233a0f66c8e6e5ebb8d5 Author: Jonathan Wakely <[email protected]> Date: Fri Jan 12 16:57:41 2024 +0000 libstdc++: Update tzdata to 2026a Import the new 2026a tzdata.zi file and new leapseconds expiry date. libstdc++-v3/ChangeLog: * include/std/chrono (chrono::__detail::__get_leap_second_info): Update expiry date for leap seconds list. * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds): Likewise. * src/c++20/tzdata.zi: Import new file from 2026a release. (cherry picked from commit b8fd759dc61c0a191a236eb19db870bb30078011) Diff: --- libstdc++-v3/include/std/chrono | 2 +- libstdc++-v3/src/c++20/tzdata.zi | 10 ++++++---- libstdc++-v3/src/c++20/tzdb.cc | 4 ++-- 3 files changed, 9 insertions(+), 7 deletions(-) diff --git a/libstdc++-v3/include/std/chrono b/libstdc++-v3/include/std/chrono index a1d1148a70bf..4b6703243df9 100644 --- a/libstdc++-v3/include/std/chrono +++ b/libstdc++-v3/include/std/chrono @@ -3243,7 +3243,7 @@ namespace __detail }; // The list above is known to be valid until (at least) this date // and only contains positive leap seconds. - constexpr sys_seconds __expires(1782604800s); // 2026-06-28 00:00:00 UTC + constexpr sys_seconds __expires(1798416000s); // 2026-12-28 00:00:00 UTC #if _GLIBCXX_USE_CXX11_ABI || ! _GLIBCXX_USE_DUAL_ABI if (__ss > __expires) diff --git a/libstdc++-v3/src/c++20/tzdata.zi b/libstdc++-v3/src/c++20/tzdata.zi index c56f67c02f6d..88f7d34a3817 100644 --- a/libstdc++-v3/src/c++20/tzdata.zi +++ b/libstdc++-v3/src/c++20/tzdata.zi @@ -1,4 +1,5 @@ -# version 2025c +# version 2026a +# redo posix_only # This zic input file is in the public domain. R d 1916 o - Jun 14 23s 1 S R d 1916 1919 - O Su>=1 23s 0 - @@ -1304,8 +1305,8 @@ R MT 1974 o - S 16 0s 0 - R MT 1975 1979 - Ap Su>=15 2 1 S R MT 1975 1980 - S Su>=15 2 0 - R MT 1980 o - Mar 31 2 1 S -R MD 1997 ma - Mar lastSu 2 1 S -R MD 1997 ma - O lastSu 3 0 - +R MD 1997 2021 - Mar lastSu 2 1 S +R MD 1997 2021 - O lastSu 3 0 - R O 1918 1919 - S 16 2s 0 - R O 1919 o - Ap 15 2s 1 S R O 1944 o - Ap 3 2s 1 S @@ -3666,7 +3667,8 @@ Z Europe/Chisinau 1:55:20 - LMT 1880 3 R MSK/MSD 1990 May 6 2 2 R EE%sT 1992 2 e EE%sT 1997 -2 MD EE%sT +2 MD EE%sT 2022 +2 E EE%sT Z Europe/Dublin -0:25:21 - LMT 1880 Au 2 -0:25:21 - DMT 1916 May 21 2s -0:25:21 1 IST 1916 O 1 2s diff --git a/libstdc++-v3/src/c++20/tzdb.cc b/libstdc++-v3/src/c++20/tzdb.cc index b3d029d8b238..4c6aea9fdbed 100644 --- a/libstdc++-v3/src/c++20/tzdb.cc +++ b/libstdc++-v3/src/c++20/tzdb.cc @@ -1192,8 +1192,8 @@ namespace std::chrono pair<vector<leap_second>, bool> tzdb_list::_Node::_S_read_leap_seconds() { - // This list is valid until at least 2026-06-28 00:00:00 UTC. - constexpr auto expires = sys_days{2026y/06/28}; + // This list is valid until at least 2026-12-28 00:00:00 UTC. + constexpr auto expires = sys_days{2026y/12/28}; vector<leap_second> leaps { (leap_second) 78796800, // 1 Jul 1972
