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

[Tobias Burnus]

https://gcc.gnu.org/g:1624a774fad595d9744bd2ace1244a670bca653e

commit 1624a774fad595d9744bd2ace1244a670bca653e
Merge: 9795d3d7ff6 4494965932f
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Mon Jan 9 10:20:42 2023 +0100

    Merge branch 'releases/gcc-12' into devel/omp/gcc-12
    
    Merge up to r12-9034-g4494965932fc5d005e2482bbe58cf9e138c830bd (9th Jan 2023)

Diff:

 gcc/ChangeLog                                    | 13 ++++++
 gcc/DATESTAMP                                    |  2 +-
 gcc/config/rs6000/mma.md                         | 10 ++++-
 gcc/config/rs6000/rs6000-protos.h                |  2 +
 gcc/config/rs6000/rs6000.cc                      | 39 ++++++++++++++++-
 gcc/cp/ChangeLog                                 |  9 ++++
 gcc/cp/decl2.cc                                  |  2 +-
 gcc/fortran/ChangeLog                            | 10 +++++
 gcc/fortran/array.cc                             |  4 --
 gcc/testsuite/ChangeLog                          | 26 ++++++++++++
 gcc/testsuite/g++.dg/cpp2a/concepts-requires34.C | 19 +++++++++
 gcc/testsuite/gcc.target/powerpc/pr106736-1.c    | 20 +++++++++
 gcc/testsuite/gcc.target/powerpc/pr106736-2.c    | 17 ++++++++
 gcc/testsuite/gcc.target/powerpc/pr106736-3.c    | 18 ++++++++
 gcc/testsuite/gcc.target/powerpc/pr106736-4.c    | 19 +++++++++
 gcc/testsuite/gcc.target/powerpc/pr106736-5.c    | 18 ++++++++
 gcc/testsuite/gfortran.dg/pr103505.f90           |  8 ++--
 gcc/testsuite/gfortran.dg/pr108131.f90           | 25 +++++++++++
 libiberty/ChangeLog                              | 14 ++++++
 libiberty/acinclude.m4                           | 14 ++++--
 libiberty/configure                              | 14 ++++--
 libsanitizer/ChangeLog                           |  9 ++++
 libsanitizer/configure                           |  1 +
 libsanitizer/configure.ac                        |  3 +-
 libstdc++-v3/ChangeLog                           | 11 +++++
 libstdc++-v3/include/std/chrono                  | 38 +++++++++++------
 libstdc++-v3/testsuite/std/time/hh_mm_ss/1.cc    | 54 +++++++++++++++++++++++-
 27 files changed, 387 insertions(+), 32 deletions(-)