[gcc r11-10473] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:5f30fae901cc442829350677519e534d41e758e9

commit r11-10473-g5f30fae901cc442829350677519e534d41e758e9
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Thu Jan 19 00:20:03 2023 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 14 ++++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 5943f2b395d..847dee113d4 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20230118
+20230119
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index a7aa638dc05..893662c74dc 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,17 @@
+2023-01-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-08-04  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/106183
+	* include/bits/atomic_wait.h (__waiter_pool_base::_M_notify):
+	Move increment of _M_ver here.
+	[!_GLIBCXX_HAVE_PLATFORM_WAIT]: Lock mutex around increment.
+	Use relaxed memory order and always notify all waiters.
+	(__waiter_base::_M_do_wait) [!_GLIBCXX_HAVE_PLATFORM_WAIT]:
+	Check value again after locking mutex.
+	(__waiter_base::_M_notify): Remove increment of _M_ver.
+
 2022-12-22  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: