[gcc r13-8154] Daily bump.

[gcc r13-8154] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:562e3b3590f0d69e9f44ec31391f95283c3cca43

commit r13-8154-g562e3b3590f0d69e9f44ec31391f95283c3cca43
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Thu Dec 14 00:22:01 2023 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 27 +++++++++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index ffab8353875..e01b2976fac 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20231213
+20231214
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 1dcd9377547..f03132df57e 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,30 @@
+2023-12-13  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2023-12-13  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/chrono_io.h (__formatter_chrono::_M_C_y_Y): Do
+	not round century down for %Y formats.
+
+2023-12-13  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2023-12-12  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/std/format/functions/format.cc: Check for expected
+	output for char and bool arguments.
+	* testsuite/std/format/string.cc: Check that 0 filling is
+	rejected for character and string formats.
+
+2023-12-13  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2023-12-12  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/chrono_io.h (__formatter_chrono::_M_C_y_Y): Fix
+	rounding for negative centuries.
+	* testsuite/std/time/year/io.cc: Check %C for negative years.
+
 2023-12-09  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: