[gcc/devel/c++-coroutines] Merge master r11-2984.

[gcc/devel/c++-coroutines] Merge master r11-2984.

[Iain D Sandoe]

https://gcc.gnu.org/g:52bf6abbec8fe9132c208695f0304ad39b6cc063

commit 52bf6abbec8fe9132c208695f0304ad39b6cc063
Merge: 7ae27ea453d ce90d203cea
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Wed Sep 2 19:42:29 2020 +0100

    Merge master r11-2984.
    
            * Merge master r11-2984-gce90d203cea3.

Diff:

 gcc/ChangeLog                                      |  51 +++++++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/analyzer/ChangeLog                             |   6 ++
 gcc/builtins.c                                     |   9 +-
 gcc/c/ChangeLog                                    |   6 ++
 gcc/config.gcc                                     |   1 +
 gcc/config/bpf/bpf.c                               |  17 ---
 gcc/config/bpf/bpf.h                               |  46 ++------
 gcc/config/pa/pa.c                                 |  21 ++++
 gcc/config/rs6000/rs6000-call.c                    |  10 +-
 gcc/cp/ChangeLog                                   |  11 ++
 gcc/cp/init.c                                      |   6 ++
 gcc/doc/invoke.texi                                |   2 +-
 gcc/fortran/ChangeLog                              |   8 ++
 gcc/fortran/check.c                                |   8 +-
 gcc/testsuite/ChangeLog                            |  37 +++++++
 gcc/testsuite/g++.dg/cpp0x/initlist-new4.C         |   6 ++
 gcc/testsuite/g++.old-deja/g++.abi/cxa_vec.C       |   1 +
 gcc/testsuite/gcc.dg/Wstringop-overflow-42.c       |  58 ++++++++++
 gcc/testsuite/gcc.dg/Wstringop-overflow.c          |  12 +--
 gcc/testsuite/gcc.dg/Wstringop-overread-4.c        |  58 ++++++++++
 gcc/testsuite/gcc.dg/pr55940.c                     |   1 +
 gcc/testsuite/gcc.target/powerpc/pr96808.c         |  59 ++++++++++
 gcc/testsuite/gfortran.dg/pr96859.f90              |  25 +++++
 libstdc++-v3/ChangeLog                             |  33 ++++++
 libstdc++-v3/include/bits/c++config                |  35 ++++--
 libstdc++-v3/include/bits/cpp_type_traits.h        |  60 +++++++++++
 libstdc++-v3/include/bits/deque.tcc                |   8 +-
 libstdc++-v3/include/bits/range_access.h           |  10 +-
 libstdc++-v3/include/bits/ranges_algo.h            |   5 +-
 libstdc++-v3/include/bits/stl_algobase.h           |   7 +-
 libstdc++-v3/include/bits/stl_iterator.h           |   3 +-
 libstdc++-v3/include/parallel/base.h               |   5 +-
 libstdc++-v3/include/std/array                     |  22 ++--
 libstdc++-v3/include/std/ranges                    |   4 +-
 libstdc++-v3/libsupc++/new                         |   4 +-
 libstdc++-v3/libsupc++/new_opvnt.cc                |   3 +-
 .../testsuite/18_support/destroying_delete.cc      |   1 +
 .../testsuite/20_util/variant/index_type.cc        |   2 +-
 .../array/comparison_operators/96851.cc            | 119 +++++++++++++++++++++
 .../23_containers/array/tuple_interface/get_neg.cc |   6 +-
 .../testsuite/experimental/numeric/92978.cc        |   2 +-
 42 files changed, 660 insertions(+), 130 deletions(-)