[gcc r14-12780] Daily bump.

https://gcc.gnu.org/g:b78e22e1298577aa8ff932c3e128675a9e88b712

commit r14-12780-gb78e22e1298577aa8ff932c3e128675a9e88b712
Author: GCC Administrator <[email protected]>
Date:   Sat Aug 1 00:19:56 2026 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 97 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 98 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 4856dc75a20f..89a5952fcdcb 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260731
+20260801
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 57d4cedcd1cd..5fb05af306bd 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,100 @@
+2026-07-31  Tomasz Kamiński  <[email protected]>
+
+	Backported from master:
+	2026-07-20  Tomasz Kamiński  <[email protected]>
+
+	PR libstdc++/116110
+	* src/c++20/tzdb.cc (time_zone::_M_get_sys_info): Correct
+	condition for stopping zone expansion before STD zone.
+	* testsuite/std/time/time_zone/116110.cc (test_dawson):
+	Add test for America/Dawson August 1945 transition.
+
+2026-07-31  Tomasz Kamiński  <[email protected]>
+
+	Backported from master:
+	2026-05-18  Tomasz Kamiński  <[email protected]>
+
+	PR libstdc++/124852
+	* src/c++20/tzdb.cc (on_month_day::on_day_t, on_month_day::on_day):
+	Remove.
+	(operator>>(istream&, on_month_day::day_t&)): Inlined into...
+	(operator>>(istream&, on_month_day)): Inlined on_month_day::on_day.
+	Avoid modifying on.month if MONTH is not present. Report failure
+	on failure to parse day for LessEq / GreaterEq.
+
+2026-07-31  Álvaro Begué  <[email protected]>
+
+	Backported from master:
+	2026-05-13  Álvaro Begué  <[email protected]>
+		    Tomasz Kamiński  <[email protected]>
+
+	PR libstdc++/124852
+	* src/c++20/tzdb.cc (on_day): Rename to...
+	(on_day_month): Rename from on_day.
+	(on_day_month::on_day_t, on_day_month::on_day): Define.
+	(operator>>(istream&, on_day_t&&)): Factored out of
+	operator>>(istream&, on_day&).
+	(operator>>(istream&, on_day&)): Use on_day_t parser.
+	(operator>>(istream&, ZoneInfo&)): Replace the integer DAY
+	parser with on_day_t for the UNTIL field.
+	* testsuite/std/time/time_zone/until_day_on.cc: New test.
+
+2026-07-31  Álvaro Begué  <[email protected]>
+
+	Backported from master:
+	2026-05-13  Álvaro Begué  <[email protected]>
+
+	PR libstdc++/124851
+	* src/c++20/tzdb.cc (ZoneInfo::ZoneInfo(sys_info&&)): Store
+	stdoff only in m_offset (subtract info.save).
+	(ZoneInfo::ZoneInfo(const pair<sys_info, string_view>&)):
+	Likewise.
+	(ZoneInfo::offset()): Document new semantics.
+	(ZoneInfo::to(sys_info&)): Add m_save back to offset() when
+	populating sys_info::offset.
+	* testsuite/std/time/time_zone/numeric_save.cc: New test.
+
+2026-07-31  Jonathan Wakely  <[email protected]>
+
+	Backported from master:
+	2026-03-19  Jonathan Wakely  <[email protected]>
+
+	PR libstdc++/124513
+	* src/c++20/tzdb.cc (operator>>(istream&, at_time::Indicator&)):
+	Do not peek at the next character if eofbit is already set.
+	(istream& operator>>(istream&, at_time&)): Skip whitespace
+	before the first character. Handle EOF when parsing "-" as time.
+	Do not peek for ":" or "." if eofbit already set.
+	* testsuite/std/time/time_zone/116110.cc (test_apia): Remove
+	offset of 24h now that the UNTIL time is parsed correctly.
+	* testsuite/std/time/time_zone/124513.cc: New test.
+
+2026-07-31  Jonathan Wakely  <[email protected]>
+
+	Backported from master:
+	2026-03-19  Jonathan Wakely  <[email protected]>
+
+	PR libstdc++/116110
+	* src/c++20/tzdb.cc (operator>>(istream&, ZoneInfo&)): Adjust
+	inf.m_until according to indicator suffix on AT time in UNTIL.
+	* testsuite/std/time/time_zone/116110.cc (test_kiritimati):
+	Remove FIXME now that the UNTIL time is adjusted for STDOFF.
+	(test_apia): Adjust FIXME now that UNTIL time is adusted for
+	STDOFF.
+	* testsuite/std/time/time_zone/get_info_sys.cc: Adjust expected
+	results to account for corrected logic.
+	* testsuite/std/time/zoned_time/1.cc: Likewise.
+
+2026-07-31  Jonathan Wakely  <[email protected]>
+
+	Backported from master:
+	2026-03-19  Jonathan Wakely  <[email protected]>
+
+	PR libstdc++/116110
+	* src/c++20/tzdb.cc (time_zone::_M_get_sys_info): Update
+	info.offset and info.save to values from the active rule.
+	* testsuite/std/time/time_zone/116110.cc: New test.
+
 2026-06-27  Patrick Palka  <[email protected]>
 
 	Backported from master: