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libstdc++: Update expiry times for leap seconds lists

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The list in tzdb.cc isn't the only hardcoded list of leap seconds in the
library, there's the one defined inline in <chrono> (to avoid loading
the tzdb for the common case) and another in a testcase. This updates
them to note that there are no new leap seconds in 2024 either, until at
least 2024-12-28.

libstdc++-v3/ChangeLog:

	* include/std/chrono (__get_leap_second_info): Update expiry
	time for hardcoded list of leap seconds.
	* testsuite/std/time/tzdb/leap_seconds.cc: Update comment.
This commit is contained in:
Jonathan Wakely 2024-03-01 20:55:10 +00:00
parent 709d8474bc
commit ddd347fca0
2 changed files with 2 additions and 2 deletions
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2
libstdc++-v3/include/std/chrono
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@ -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.
const sys_seconds __expires(1703721600s); // 2023-12-28 00:00:00 UTC
const sys_seconds __expires(1735344000s); // 2024-12-28 00:00:00 UTC
#if _GLIBCXX_USE_CXX11_ABI || ! _GLIBCXX_USE_DUAL_ABI
if (__ss > __expires)

2
libstdc++-v3/testsuite/std/time/tzdb/leap_seconds.cc
View file

@ -21,7 +21,7 @@ void
test_load_leapseconds()
{
std::ofstream("leapseconds") << R"(
# These are all the real leap seconds as of 2022:
# These are all the real leap seconds as of 2024:
Leap 1972 Jun 30 23:59:60 + S
Leap 1972 Dec 31 23:59:60 + S
Leap 1973 Dec 31 23:59:60 + S