[gcc r13-10483] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:8b46cd7c5f3c839d0f6505832afdc14958772ce4

commit r13-10483-g8b46cd7c5f3c839d0f6505832afdc14958772ce4
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Wed Aug 26 00:18:13 2026 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index cd565db6db3a..e377e79f10a6 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260825
+20260826
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 7f4066262ad6..b3802c43ad58 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,13 @@
+2026-08-25  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-08-24  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/127006
+	* include/std/spanstream (basic_ospanstream(span, openmode)):
+	Add correct openmode value to parameter.
+	* testsuite/27_io/spanstream/127006.cc: New test.
+
 2026-08-18  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: