[gcc/devel/omp/gcc-13] Merge branch 'releases/gcc-13' into devel/omp/gcc-13

[Tobias Burnus]

https://gcc.gnu.org/g:ad85577c401dfd38d792d9db9b11102f7ad8d4c7

commit ad85577c401dfd38d792d9db9b11102f7ad8d4c7
Merge: a8b1fb51ae55 319e887bdddf
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Thu Oct 26 11:19:57 2023 +0200

    Merge branch 'releases/gcc-13' into devel/omp/gcc-13
    
    Merge up to r13-7985-g319e887bdddfb8b9244f9310a54c1f08b7e8f0e8 (26th Oct 2023)

Diff:

 gcc/ChangeLog                                      |  73 +++++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/c-family/ChangeLog                             |  15 ++
 gcc/c-family/c-common.cc                           |   7 +-
 gcc/c-family/c-pragma.cc                           |   3 +-
 gcc/config/i386/i386.md                            |   4 +-
 gcc/config/loongarch/loongarch.h                   |   5 +
 gcc/config/loongarch/loongarch.md                  |   7 +
 gcc/config/rs6000/rs6000.md                        |  73 +++----
 gcc/config/sh/sh.md                                |   2 +-
 gcc/config/sh/sh_treg_combine.cc                   |   9 +-
 gcc/doc/extend.texi                                |   5 +
 gcc/fortran/ChangeLog                              |   9 +
 gcc/fortran/frontend-passes.cc                     |   2 +-
 gcc/lra-eliminations.cc                            |   4 +-
 gcc/m2/ChangeLog                                   |  46 +++++
 gcc/m2/Make-lang.in                                | 214 +++++++++++++--------
 gcc/m2/README                                      |  21 --
 gcc/m2/gm2-compiler/M2Quads.mod                    |   2 +-
 gcc/m2/gm2-compiler/SymbolTable.mod                |   3 +-
 gcc/opts.cc                                        |   4 +-
 gcc/testsuite/ChangeLog                            |  53 +++++
 gcc/testsuite/c-c++-common/alias-1.c               |  23 +++
 .../c-c++-common/cpp/Wunknown-pragmas-1.c          |  13 ++
 gcc/testsuite/g++.target/powerpc/pr111367.C        |  22 +++
 gcc/testsuite/gcc.target/i386/pr110170-3.c         |  11 ++
 .../gcc.target/loongarch/builtin_thread_pointer.c  |  10 +
 gcc/testsuite/gfortran.dg/implied_do_io_8.f90      |  18 ++
 libgcc/config/avr/libf7/ChangeLog                  |  19 ++
 libgcc/config/avr/libf7/asm-defs.h                 |   6 +-
 libgcc/config/avr/libf7/f7-renames.h               |   8 +-
 libgcc/config/avr/libf7/libf7-asm.sx               | 163 +++++++++++++++-
 libgcc/config/avr/libf7/libf7-common.mk            |   2 +-
 libgcc/config/avr/libf7/libf7.h                    |   1 +
 libgcc/config/avr/libf7/t-libf7                    |   2 +-
 libstdc++-v3/ChangeLog                             |  58 ++++++
 libstdc++-v3/include/Makefile.am                   |   6 +-
 libstdc++-v3/include/Makefile.in                   |   6 +-
 libstdc++-v3/include/bits/basic_string.h           |   6 +-
 libstdc++-v3/include/bits/basic_string.tcc         |   4 +
 libstdc++-v3/include/bits/fs_dir.h                 |  16 +-
 libstdc++-v3/include/bits/hashtable.h              |  19 +-
 libstdc++-v3/include/bits/hashtable_policy.h       |  13 --
 libstdc++-v3/include/std/ranges                    |  10 +
 libstdc++-v3/include/std/variant                   |  32 ++-
 libstdc++-v3/src/libbacktrace/Makefile.am          |   8 +-
 libstdc++-v3/src/libbacktrace/Makefile.in          |   7 +-
 .../23_containers/unordered_map/modifiers/merge.cc | 178 ++++++++++++++++-
 48 files changed, 995 insertions(+), 229 deletions(-)