[gcc/devel/c++-coroutines] Merge master r11-8099.

[Iain D Sandoe]

https://gcc.gnu.org/g:c35d20775bd19902cd5effbd7e55369bbd8af5e7

commit c35d20775bd19902cd5effbd7e55369bbd8af5e7
Merge: 5679f2c8b07 b04093adb28
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Fri Apr 9 19:41:17 2021 +0100

    Merge master r11-8099.
    
            * Merge master r11-8099-gb04093adb28b.

Diff:

 gcc/ChangeLog                                      |  36 ++
 gcc/DATESTAMP                                      |   2 +-
 gcc/analyzer/ChangeLog                             |  94 +++++
 gcc/c-family/ChangeLog                             |  16 +
 gcc/config/aarch64/aarch64.c                       |   8 +-
 gcc/config/aarch64/aarch64.md                      |   5 +-
 gcc/config/rs6000/rs6000.c                         |   6 +-
 gcc/config/rs6000/xcoff.h                          |  10 +-
 gcc/cp/ChangeLog                                   |  62 +++
 gcc/cp/parser.c                                    |   4 +-
 gcc/d/ChangeLog                                    |  43 ++
 gcc/doc/extend.texi                                |  58 +--
 gcc/doc/invoke.texi                                |  10 +-
 gcc/fortran/trans-types.c                          |  16 +-
 gcc/lto/ChangeLog                                  |   5 +
 gcc/testsuite/ChangeLog                            | 136 ++++++
 gcc/testsuite/g++.dg/concepts/abbrev10.C           |  18 +
 gcc/testsuite/g++.dg/concepts/abbrev11.C           |  10 +
 gcc/testsuite/g++.dg/cpp1z/fold-lambda4.C          |  30 ++
 gcc/testsuite/g++.dg/gomp/tls-5.C                  |   2 +-
 gcc/testsuite/g++.dg/tree-ssa/pr83518.C            |   2 +-
 gcc/testsuite/g++.dg/warn/uninit-pr55288.C         |  43 ++
 .../g++.target/aarch64/bfloat_cpp_typecheck.C      |   4 +-
 gcc/testsuite/gcc.dg/pr96573.c                     |   2 +-
 gcc/testsuite/gcc.dg/tree-ssa/pr84512.c            |   2 +-
 gcc/testsuite/gcc.dg/vect/bb-slp-43.c              |   2 +-
 gcc/testsuite/gcc.dg/vect/pr65947-7.c              |   5 +-
 gcc/testsuite/gcc.dg/vect/slp-reduc-11.c           |   2 +-
 gcc/testsuite/gcc.target/aarch64/insv_1.c          |   4 +-
 .../gcc.target/aarch64/mem-shift-canonical.c       |  26 +-
 gcc/testsuite/gcc.target/aarch64/pr70398.c         |   1 +
 gcc/testsuite/gfortran.dg/coarray/dummy_2.f90      |  26 ++
 gcc/testsuite/gfortran.dg/ieee/ieee_6.f90          |   1 +
 gcc/testsuite/gfortran.dg/ieee/ieee_8.f90          |   4 +-
 gcc/testsuite/gfortran.dg/vect/vect-8.f90          |   3 +-
 libgomp/team.c                                     |   4 +-
 .../libgomp.oacc-c-c++-common/static-variable-1.c  | 460 +++++++++++++++++++++
 libphobos/ChangeLog                                |  10 +
 libstdc++-v3/ChangeLog                             | 150 +++++++
 libstdc++-v3/configure                             |  30 +-
 libstdc++-v3/doc/Makefile.am                       |   1 +
 libstdc++-v3/doc/Makefile.in                       |   1 +
 libstdc++-v3/include/bits/basic_string.h           |   3 +-
 libstdc++-v3/include/bits/fs_fwd.h                 |   2 +-
 libstdc++-v3/include/bits/hashtable.h              |  10 +-
 libstdc++-v3/include/bits/random.h                 |  16 +-
 libstdc++-v3/include/bits/regex_constants.h        |   2 +-
 libstdc++-v3/include/bits/streambuf_iterator.h     |   2 +-
 libstdc++-v3/include/bits/uses_allocator_args.h    |   2 +-
 libstdc++-v3/include/std/memory                    |   2 +-
 libstdc++-v3/include/std/ranges                    | 107 ++---
 libstdc++-v3/include/tr1/complex                   |   2 +-
 libstdc++-v3/include/tr1/random.h                  |  10 +-
 .../23_containers/unordered_set/cons/99985.cc      |  47 +++
 .../testsuite/std/ranges/adaptors/elements.cc      |  16 +
 .../testsuite/std/ranges/adaptors/split.cc         |  12 +
 maintainer-scripts/ChangeLog                       |  14 +
 maintainer-scripts/branch_changer.py               |  38 +-
 58 files changed, 1446 insertions(+), 193 deletions(-)