[gcc r12-8613] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:2a1263d3638bb04e9593e3e879524e542eb4854f

commit r12-8613-g2a1263d3638bb04e9593e3e879524e542eb4854f
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sat Jul 23 00:19:16 2022 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 39 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 7bdcd4fa865..ef960813d5e 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20220722
+20220723
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 8abb19e3e9d..07397aa05d7 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,42 @@
+2022-07-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-06-28  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++17/fs_dir.cc (_Dir::_Dir) [!_GLIBCXX_HAVE_OPENAT]:
+	Always store pathname if we don't have openat or unlinkat,
+	because the full path is needed to open sub-directories and
+	remove entries.
+
+2022-07-22  Alexandre Oliva  <oliva@adacore.com>
+
+	Backported from master:
+	2022-06-27  Alexandre Oliva  <oliva@adacore.com>
+
+	* src/c++17/fs_dir.cc (dir_and_pathname): Use dirfd if
+	_GLIBCXX_HAVE_OPENAT.
+
+2022-07-22  Alexandre Oliva  <oliva@adacore.com>
+
+	Backported from master:
+	2022-06-24  Alexandre Oliva  <oliva@adacore.com>
+
+	* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for
+	openat.
+	* configure, config.h.in: Rebuilt.
+	* src/filesystem/dir-common.h (openat): Use ::openat if
+	_GLIBCXX_HAVE_OPENAT.
+	* src/filesystem/dir.cc (dir_and_pathname): Use dirfd if
+	_GLIBCXX_HAVE_OPENAT.
+
+2022-07-22  Jonathan Wakely  <jwakely@redhat.com>
+
+	Backported from master:
+	2022-05-06  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/std/stacktrace: Do not include <cxxabi.h>.
+	(__cxa_demangle): Declare.
+
 2022-07-21  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: