[gcc r15-10288] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:6c1e07152fa38a67e4ceaa3d2ae66f92306b7f37

commit r15-10288-g6c1e07152fa38a67e4ceaa3d2ae66f92306b7f37
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Fri Sep 5 00:24:37 2025 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP           |  2 +-
 gcc/cp/ChangeLog        |  9 +++++++++
 gcc/testsuite/ChangeLog |  9 +++++++++
 libstdc++-v3/ChangeLog  | 30 ++++++++++++++++++++++++++++++
 4 files changed, 49 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/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index f617c5fdff82..92bc72f15a8e 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,12 @@
+2025-09-04  Nathaniel Shead  <nathanieloshead@gmail.com>
+
+	Backported from master:
+	2025-09-04  Nathaniel Shead  <nathanieloshead@gmail.com>
+
+	PR c++/121724
+	* name-lookup.cc (push_namespace): Mark inline namespace
+	contexts as purview if needed.
+
 2025-08-27  Nathaniel Shead  <nathanieloshead@gmail.com>
 
 	Backported from master:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 8dad5b3f7216..2644898372a4 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,12 @@
+2025-09-04  Nathaniel Shead  <nathanieloshead@gmail.com>
+
+	Backported from master:
+	2025-09-04  Nathaniel Shead  <nathanieloshead@gmail.com>
+
+	PR c++/121724
+	* g++.dg/modules/namespace-12_a.C: New test.
+	* g++.dg/modules/namespace-12_b.C: New test.
+
 2025-08-30  liuhongt  <hongtao.liu@intel.com>
 
 	Revert:
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index ab8eb9f9f5b5..61242a4d75c8 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,33 @@
+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:
+	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.
+
 2025-08-31  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: