[gcc/devel/omp/gcc-12] Merge branch 'releases/gcc-12' into devel/omp/gcc-12

[Tobias Burnus]

https://gcc.gnu.org/g:1e2e86107cf033161c0a2abfdcc2c757648ec939

commit 1e2e86107cf033161c0a2abfdcc2c757648ec939
Merge: 43884163928 14faa5f585f
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Fri Nov 18 10:47:08 2022 +0100

    Merge branch 'releases/gcc-12' into devel/omp/gcc-12
    
    Merge up to r12-8916-g14faa5f585f6025df1e04c8c8b34340ff5e4d494 (18th Nov 2022)

Diff:

 gcc/ChangeLog                                      |  26 +++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/config/aarch64/aarch64-cores.def               |   4 +-
 gcc/config/aarch64/aarch64-cost-tables.h           | 107 +++++++++++++++++
 gcc/config/aarch64/aarch64-fusion-pairs.def        |   1 +
 gcc/config/aarch64/aarch64-tune.md                 |   2 +-
 gcc/config/aarch64/aarch64.cc                      |  64 +++++++++++
 gcc/cp/decl.cc                                     |   2 +-
 gcc/doc/invoke.texi                                |   3 +-
 gcc/testsuite/ChangeLog                            |   8 ++
 gcc/testsuite/g++.dg/cpp2a/constinit18.C           |  12 ++
 gcc/testsuite/g++.dg/tree-ssa/pr107206.C           |  27 +++++
 gcc/tree-sra.cc                                    |   7 ++
 libstdc++-v3/ChangeLog                             |  39 +++++++
 libstdc++-v3/include/bits/basic_string.h           |   4 +-
 libstdc++-v3/include/bits/fs_path.h                | 126 ++++++++++++---------
 libstdc++-v3/include/bits/mofunc_impl.h            |   5 +-
 libstdc++-v3/include/experimental/bits/fs_path.h   |  52 +++++++--
 .../testsuite/20_util/move_only_function/call.cc   |  11 ++
 .../27_io/filesystem/path/construct/95048.cc       |  45 ++++++++
 .../filesystem/path/construct/95048.cc             |  47 ++++++++
 21 files changed, 516 insertions(+), 78 deletions(-)