[gcc r13-10055] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:30e0c2f0e463f5800a08e299c740268186862422

commit r13-10055-g30e0c2f0e463f5800a08e299c740268186862422
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Tue Jan 27 00:17:13 2026 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 22e0939a393e..87be239a5394 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260126
+20260127
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index b08992110361..68275e6ccf05 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,15 @@
+2026-01-26  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2024-11-27  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/105857
+	* config/locale/dragonfly/codecvt_members.cc (do_length): Limit
+	size of alloca buffer to 4k.
+	* config/locale/gnu/codecvt_members.cc (do_length): Likewise.
+	* testsuite/22_locale/codecvt/length/wchar_t/105857.cc: New
+	test.
+
 2026-01-23  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: