[gcc/devel/sphinx] Merge branch 'master' into devel/sphinx

[Martin Liska]

https://gcc.gnu.org/g:6c22519f33270a689fc8730ceff9212b376ed40d

commit 6c22519f33270a689fc8730ceff9212b376ed40d
Merge: 2c92cfe87d2 f10b9f64133
Author: Martin Liska <mliska@suse.cz>
Date:   Mon Oct 17 10:19:50 2022 +0200

    Merge branch 'master' into devel/sphinx

Diff:

 gcc/ChangeLog                                      |  19 +++
 gcc/DATESTAMP                                      |   2 +-
 gcc/common/config/i386/cpuinfo.h                   |   6 +
 gcc/common/config/i386/i386-common.cc              |   4 +
 gcc/config.gcc                                     |   5 +
 gcc/config/h8300/constraints.md                    |  27 +++-
 gcc/config/h8300/h8300.cc                          |   2 +-
 gcc/config/h8300/h8300.h                           |  12 ++
 gcc/config/h8300/movepush.md                       |   8 +-
 libstdc++-v3/ChangeLog                             |  31 ++++
 libstdc++-v3/include/bits/charconv.h               |   4 +-
 libstdc++-v3/include/bits/stl_map.h                |   2 +-
 libstdc++-v3/include/bits/stl_pair.h               |   3 -
 libstdc++-v3/include/bits/uses_allocator_args.h    |   2 +-
 libstdc++-v3/include/std/charconv                  |  41 +++--
 libstdc++-v3/include/std/version                   |   1 +
 libstdc++-v3/src/c++11/debug.cc                    |  16 +-
 .../testsuite/20_util/from_chars/constexpr.cc      |  57 +++++++
 .../testsuite/20_util/to_chars/constexpr.cc        | 172 +++++++++++++++++++++
 libstdc++-v3/testsuite/20_util/to_chars/version.cc |  16 ++
 .../testsuite/20_util/uses_allocator/lwg3677.cc    |  52 +++++++
 21 files changed, 446 insertions(+), 36 deletions(-)