[gcc r11-11129] Daily bump.

[gcc r11-11129] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:9a273c5a68b6a4f0311fe17e715e3cc9a4a2bd23

commit r11-11129-g9a273c5a68b6a4f0311fe17e715e3cc9a4a2bd23
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Thu Dec 7 00:18:26 2023 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 76ff872532c..af1f8a0d719 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20231206
+20231207
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 2ce20a21dca..9624cd21281 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,34 @@
+2023-12-06  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2021-11-01  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/debug/stl_iterator.h (__valid_range): Add constexpr
+	for C++20. Qualify call to avoid ADL.
+	(__get_distance, __can_advance, __unsafe, __base): Likewise.
+	* testsuite/25_algorithms/move/constexpr.cc: Also check with
+	std::reverse_iterator arguments.
+
+2023-12-06  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2023-11-02  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/112314
+	* include/std/string_view (string_view::remove_suffix): Add
+	debug assertion.
+	* testsuite/21_strings/basic_string_view/modifiers/remove_prefix/debug.cc:
+	New test.
+	* testsuite/21_strings/basic_string_view/modifiers/remove_suffix/debug.cc:
+	New test.
+
+2023-12-06  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2023-11-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/std/utility (in_range): Rename _Up parameter to _Res.
+
 2023-11-15  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: