[gcc r16-8926] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:93f50a01c85062d86a12fd0c1ecf0ca0db69dd01

commit r16-8926-g93f50a01c85062d86a12fd0c1ecf0ca0db69dd01
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sun May 17 00:19:49 2026 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 24 ++++++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 8ee5b417cbc7..ca08e6063fdc 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20260516
+20260517
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index d5975d6f96d4..f1752b03cc91 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,27 @@
+2026-05-16  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-05-16  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/125312
+	* acinclude.m4 (GLIBCXX_ENABLE_ATOMIC_BUILTINS): Copy header
+	into cwd instead of including it via an absolute path.
+	* configure: Regenerate.
+
+2026-05-16  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-04-24  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++20/tzdata.zi: Import new file from 2026a release.
+
+2026-05-16  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2026-05-13  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/shared_ptr_atomic.h: Remove trailing whitespace.
+
 2026-05-05  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: