[gcc/devel/c++-coroutines] Merge master r12-2331.

[Iain D Sandoe]

https://gcc.gnu.org/g:1ef3e1c046c4dd6e0a3eed4fd4a198ea51fc747f

commit 1ef3e1c046c4dd6e0a3eed4fd4a198ea51fc747f
Merge: 0d8a54a3526 7094a69bd62
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Thu Jul 15 19:32:20 2021 +0100

    Merge master r12-2331.
    
            * Merge master r12-2331-g7094a69bd62a.

Diff:

 MAINTAINERS                                        |    1 +
 gcc/ChangeLog                                      |  130 +
 gcc/DATESTAMP                                      |    2 +-
 gcc/c-family/ChangeLog                             |    4 +
 gcc/c-family/c-opts.c                              |    4 +
 gcc/c-family/c-warn.c                              |    3 +-
 gcc/c/c-decl.c                                     |    1 +
 gcc/cfgexpand.c                                    |   44 +-
 gcc/config/aarch64/aarch64-simd-builtins.def       |    4 +-
 gcc/config/aarch64/aarch64-simd.md                 |   62 +-
 gcc/config/aarch64/arm_neon.h                      |    8 +-
 gcc/config/arm/aarch-common-protos.h               |    3 +-
 gcc/config/arm/aarch-common.c                      |    8 +-
 gcc/config/arm/arm.c                               |    4 +-
 gcc/config/arm/neon.md                             |    8 +-
 gcc/config/avr/avr.c                               |    3 +-
 gcc/config/cris/cris.c                             |    4 +-
 gcc/config/i386/i386.c                             |    8 +-
 gcc/config/mn10300/mn10300.c                       |    2 +-
 gcc/config/nds32/nds32.c                           |    3 +-
 gcc/config/pdp11/pdp11.c                           |    4 +-
 gcc/config/rs6000/rs6000-p8swap.c                  |   19 +
 gcc/config/rs6000/rs6000.c                         | 3121 ++++++++++----------
 gcc/config/s390/s390.c                             |    2 +-
 gcc/config/vax/vax.c                               |    5 +-
 gcc/config/visium/visium.c                         |    4 +-
 gcc/cp/ChangeLog                                   |   35 +
 gcc/cp/class.c                                     |    4 +-
 gcc/cp/coroutines.cc                               |    2 +-
 gcc/cp/cp-gimplify.c                               |   29 +-
 gcc/cp/cp-objcp-common.c                           |   24 +-
 gcc/cp/cp-tree.h                                   |    6 -
 gcc/cp/parser.c                                    |    6 +-
 gcc/cp/pt.c                                        |   90 +-
 gcc/cp/semantics.c                                 |    3 +-
 gcc/doc/invoke.texi                                |    6 +-
 gcc/doc/tm.texi                                    |    5 +-
 gcc/fold-const.c                                   |   33 +-
 gcc/fortran/ChangeLog                              |    6 +
 gcc/gcc.c                                          |   10 +
 gcc/gimple-pretty-print.c                          |    2 +-
 gcc/gimple-range-cache.cc                          |   35 +-
 gcc/gimple-range-cache.h                           |    2 +
 gcc/gimple-range.cc                                |    8 +-
 gcc/gimplify.c                                     |    3 +-
 gcc/profile-count.h                                |    2 +-
 gcc/sel-sched-ir.h                                 |    2 +-
 gcc/target.def                                     |    5 +-
 gcc/testsuite/ChangeLog                            |   81 +
 gcc/testsuite/g++.dg/cpp0x/nullptr46.C             |   11 +
 gcc/testsuite/g++.dg/cpp1z/class-deduction96.C     |   34 +
 gcc/testsuite/g++.dg/torture/pr100382.C            |    1 +
 gcc/testsuite/gcc.c-torture/compile/pr101437.c     |   29 +
 gcc/testsuite/gcc.dg/Wvla-parameter-12.c           |   36 +
 gcc/testsuite/gcc.dg/vect/vect-reduc-dot-17.c      |    5 +-
 gcc/testsuite/gcc.dg/vect/vect-reduc-dot-18.c      |    5 +-
 gcc/testsuite/gcc.dg/vect/vect-reduc-dot-22.c      |    2 +-
 gcc/testsuite/gcc.dg/vect/vect-reduc-dot-9.c       |    5 +-
 gcc/testsuite/gcc.target/powerpc/mma-builtin-9.c   |   28 +
 gcc/testsuite/gcc.target/powerpc/pr101129.c        |   35 +
 gcc/tree-cfg.c                                     |    2 +-
 gcc/tree-core.h                                    |    7 +-
 gcc/tree-diagnostic.c                              |    6 +-
 gcc/tree-vect-loop-manip.c                         |   14 +-
 gcc/tree-vect-stmts.c                              |   21 +-
 gcc/tree-vectorizer.h                              |    3 +-
 libgcc/config/rs6000/morestack.S                   |   41 +
 libstdc++-v3/ChangeLog                             |    7 +
 libstdc++-v3/include/bits/c++config                |   12 +-
 libstdc++-v3/include/std/tuple                     |   69 +-
 .../20_util/tuple/element_access/101427.cc         |   23 +
 .../20_util/tuple/element_access/get_neg.cc        |    3 +-
 72 files changed, 2493 insertions(+), 1766 deletions(-)