[gcc r15-11612] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:185062975d8dcc86e344e78cff7dddf2bbb558aa

commit r15-11612-g185062975d8dcc86e344e78cff7dddf2bbb558aa
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sun Oct 4 00:19:12 2026 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP           |  2 +-
 gcc/cp/ChangeLog        |  9 +++++++++
 gcc/testsuite/ChangeLog |  8 ++++++++
 libstdc++-v3/ChangeLog  | 35 +++++++++++++++++++++++++++++++++++
 4 files changed, 53 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 76956e8cd411..6259657651ae 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20261003
+20261004
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 6519734f4f33..41a678ba1af9 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,12 @@
+2026-10-03  Marek Polacek  <polacek@redhat.com>
+
+	Backported from master:
+	2026-10-03  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/127672
+	* decl2.cc (constrain_class_visibility): Check OVERLOAD_TYPE_P
+	before calling decl_anon_ns_mem_p.
+
 2026-09-03  Patrick Palka  <ppalka@redhat.com>
 
 	Backported from master:
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 1f4473a4f2d7..3393b13132c1 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,11 @@
+2026-10-03  Marek Polacek  <polacek@redhat.com>
+
+	Backported from master:
+	2026-10-03  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/127672
+	* g++.dg/warn/Wsubobject-linkage-6.C: New test.
+
 2026-10-01  Christophe Lyon  <christophe.lyon@arm.com>
 
 	Backported from master:
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 8af411924ff3..0c28f950418c 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,38 @@
+2026-10-03  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-10-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/125785
+	* include/std/ranges (enable_borrowed_range<to_input_view<T>>):
+	Define partial specialization.
+	* testsuite/std/ranges/adaptors/to_input/1.cc: Test
+	specialization for to_input_view.
+	* testsuite/std/ranges/adaptors/as_const/1.cc: Test
+	specialization for as_const_view.
+	* testsuite/std/ranges/adaptors/as_rvalue/1.cc: Test
+	specialization for as_rvalue_view.
+
+2026-10-03  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-10-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/127666
+	* src/c++17/floating_from_chars.cc (pattern): Avoid reading past
+	the end of the input. Remove unused variable.
+	* testsuite/20_util/from_chars/127666.cc: New test.
+
+2026-10-03  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-07-31  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/126364
+	* include/bits/chrono_io.h (_Parser::operator()) <R>: Only break
+	early when setting failbit.
+	* testsuite/std/time/parse/126364.cc: New test.
+
 2026-10-02  Tomasz Kamiński  <tkaminsk@redhat.com>
 
 	Backported from master: