[gcc r14-12002] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:f33c1508871870b352fd720c54dc9a48e04efb12

commit r14-12002-gf33c1508871870b352fd720c54dc9a48e04efb12
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Fri Sep 5 00:22:47 2025 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 39 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index afd7c0026872..0cc4fce33a13 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20250904
+20250905
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 12a0c695a273..45bbcad46f8d 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,42 @@
+2025-09-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2025-09-03  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/110853
+	* include/bits/stl_pair.h [C++20] (pair(const T1&, const T2&)):
+	Use std::type_identity_t<T1> for first parameter.
+	* testsuite/20_util/pair/cons/110853.cc: New test.
+
+2025-09-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2025-09-03  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/121745
+	* include/bits/stl_pair.h (get): Use forward instead of move in
+	std::get<T> overloads for rvalue pairs.
+	* testsuite/20_util/pair/astuple/get_by_type.cc: Check all value
+	categories and cv-qualification.
+
+2025-09-04  Yihan Wang  <yronglin777@gmail.com>
+
+	Backported from master:
+	2025-09-03  Yihan Wang  <yronglin777@gmail.com>
+
+	* include/std/expected (expected(U&&)): Add missing constraint
+	as per LWG 4222.
+	* testsuite/20_util/expected/lwg4222.cc: New test.
+
+2025-09-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2024-07-25  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/std/expected (expected): Constrain constructors to
+	prevent problematic bool conversions, as per LWG 3836.
+	* testsuite/20_util/expected/lwg3836.cc: New test.
+
 2025-09-03  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: