[gcc r15-11484] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:c30bc72b0b8fa3d0affb3e254cf029f6898a33a3

commit r15-11484-gc30bc72b0b8fa3d0affb3e254cf029f6898a33a3
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Wed Aug 19 00:20:05 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 96f8ad477e25..a8e78f54d93c 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260818
+20260819
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index d02dfa6a8049..29890dc9ddbb 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,13 @@
+2026-08-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-07-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/126452
+	* acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Use LC_ALL_C and
+	match both "Warning" and "warning" in ld output.
+	* configure: Regenerate.
+
 2026-08-17  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: