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

[Tobias Burnus]

https://gcc.gnu.org/g:30a1cd1e468d0497e224b8319c03f8e59b0506dc

commit 30a1cd1e468d0497e224b8319c03f8e59b0506dc
Merge: 38d6201af06 a3fbfc1027e
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Tue Dec 27 11:53:58 2022 +0100

    Merge branch 'releases/gcc-12' into devel/omp/gcc-12
    
    Merge up to r12-9015-ga3fbfc1027e9edcd14bb290b5702504d80d9e8fe (27th Dec 2022)

Diff:

 gcc/ChangeLog                                 | 30 +++++++++++++++
 gcc/DATESTAMP                                 |  2 +-
 gcc/doc/install.texi                          |  6 ++-
 gcc/gcc.cc                                    | 37 +++---------------
 gcc/lto-wrapper.cc                            | 44 +++++-----------------
 gcc/opts-common.cc                            | 54 +++++++++++++++++++++++++++
 gcc/opts-jobserver.h                          | 46 +++++++++++++++++++++++
 gcc/testsuite/ChangeLog                       |  6 +++
 gcc/testsuite/g++.dg/guality/guality.exp      |  4 ++
 gcc/testsuite/gcc.dg/guality/guality.exp      |  4 ++
 gcc/testsuite/gfortran.dg/guality/guality.exp |  4 ++
 libgfortran/ChangeLog                         |  7 ++++
 libstdc++-v3/ChangeLog                        | 27 ++++++++++++++
 13 files changed, 201 insertions(+), 70 deletions(-)