[gcc r13-8208] Daily bump.

[gcc r13-8208] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:c9c8044632ae8548f088ac89db2c83bf993f8fe8

commit r13-8208-gc9c8044632ae8548f088ac89db2c83bf993f8fe8
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Thu Jan 11 00:22:56 2024 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 4748a81cfd9..f62216e5602 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20240110
+20240111
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index f34659c54ef..83181da7aad 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,24 @@
+2024-01-10  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2023-09-08  Jonathan Wakely  <jwakely@redhat.com>
+
+	* doc/html/manual/*: Regenerate.
+	* doc/xml/manual/using.xml: Update documentation on linking.
+	* scripts/testsuite_flags.in: Adjust LDFLAGS to find
+	libstdc++exp instead of libstdc++_libbacktrace.
+	* src/c++20/Makefile.am: Fix comment.
+	* src/c++20/Makefile.in: Regenerate.
+	* src/experimental/Makefile.am: Use LIBADD to include other
+	libraries.
+	* src/experimental/Makefile.in: Regenerate.
+	* testsuite/19_diagnostics/stacktrace/current.cc: Adjust
+	dg-options to use -lstdc++exp.
+	* testsuite/19_diagnostics/stacktrace/entry.cc: Likewise.
+	* testsuite/19_diagnostics/stacktrace/stacktrace.cc: Likewise.
+	* testsuite/23_containers/vector/debug/assign4_backtrace_neg.cc:
+	Likewise.
+
 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 
 	* testsuite/std/format/functions/format.cc: Add more checks for