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

[Tobias Burnus]

https://gcc.gnu.org/g:fc781c70c7df653171eea970afa5b18527457aad

commit fc781c70c7df653171eea970afa5b18527457aad
Merge: a5a4800e927 c6e3ecca0e3
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Mon Feb 20 07:52:01 2023 +0100

    Merge branch 'releases/gcc-12' into devel/omp/gcc-12
    
    Merge up to r12-9189-gc6e3ecca0e3dcf567d0c843a4987e52591041372 (20th Feb 2023)

Diff:

 gcc/ChangeLog                                      | 62 ++++++++++++++++++++++
 gcc/DATESTAMP                                      |  2 +-
 gcc/config.gcc                                     | 14 ++---
 gcc/config/i386/i386.cc                            | 11 ++--
 gcc/config/loongarch/t-linux                       |  2 +-
 gcc/cp/ChangeLog                                   |  8 +++
 gcc/cp/call.cc                                     |  2 +
 gcc/fortran/ChangeLog                              |  9 ++++
 gcc/fortran/resolve.cc                             |  8 +--
 gcc/gimple-ssa-warn-access.cc                      | 19 ++-----
 gcc/gimplify.cc                                    |  2 +-
 gcc/testsuite/ChangeLog                            | 58 ++++++++++++++++++++
 gcc/testsuite/c-c++-common/Wdangling-pointer-10.c  | 12 +++++
 gcc/testsuite/c-c++-common/Wdangling-pointer-9.c   |  9 ++++
 gcc/testsuite/g++.dg/cpp0x/overload-conv-5.C       | 21 ++++++++
 gcc/testsuite/gfortran.dg/pr104554.f90             | 11 ++++
 gcc/testsuite/gnat.dg/shift2.adb                   |  8 +++
 libstdc++-v3/ChangeLog                             | 58 ++++++++++++++++++++
 libstdc++-v3/include/experimental/bits/simd.h      |  6 ++-
 libstdc++-v3/include/experimental/bits/simd_math.h |  4 +-
 libstdc++-v3/include/experimental/bits/simd_x86.h  | 21 ++++----
 libstdc++-v3/include/std/atomic                    | 20 +++++++
 .../29_atomics/atomic_flag/test/explicit.cc        | 26 ++++++++-
 .../29_atomics/atomic_flag/test/implicit.cc        | 26 ++++++++-
 libstdc++-v3/testsuite/experimental/simd/README.md | 10 +++-
 .../experimental/simd/tests/bits/verify.h          |  2 +-
 26 files changed, 383 insertions(+), 48 deletions(-)