[gcc/devel/c++-coroutines] Merge master r11-3661.

[gcc/devel/c++-coroutines] Merge master r11-3661.

[Iain D Sandoe]

https://gcc.gnu.org/g:f1ca8b6f51138df6344813a8f9369d8ba4612400

commit f1ca8b6f51138df6344813a8f9369d8ba4612400
Merge: 734a3c2d695 ea6da7f50fe
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Mon Oct 5 19:44:47 2020 +0100

    Merge master r11-3661.
    
            * Merge master r11-3661-gea6da7f50fe2.

Diff:

 fixincludes/ChangeLog                              |   6 +
 fixincludes/fixincl.x                              |  12 +-
 fixincludes/inclhack.def                           |  12 +-
 fixincludes/tests/base/malloc.h                    |   2 +
 gcc/ChangeLog                                      | 407 +++++++++++++++++++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/c-family/c-pretty-print.c                      |  59 +++
 gcc/config/arm/arm-cpus.in                         |   2 +
 gcc/config/rs6000/rs6000-call.c                    |   7 +-
 gcc/config/rs6000/rs6000.c                         |   9 +-
 gcc/cp/ChangeLog                                   |  65 ++++
 gcc/cp/cp-tree.h                                   |  13 +-
 gcc/cp/cxx-pretty-print.c                          |   2 +
 gcc/cp/decl.c                                      |  31 +-
 gcc/cp/error.c                                     |  58 +++
 gcc/cp/name-lookup.c                               | 165 +++++----
 gcc/cp/pt.c                                        |  10 +-
 gcc/doc/extend.texi                                |   2 +-
 gcc/fortran/ChangeLog                              |  17 +
 gcc/fortran/trans-intrinsic.c                      |  19 +
 gcc/gimple-ssa-store-merging.c                     |   2 +-
 gcc/ipa-modref-tree.c                              |   4 +-
 gcc/ipa-modref-tree.h                              |  76 +++-
 gcc/ipa-modref.c                                   | 102 +++++-
 gcc/optc-save-gen.awk                              | 100 ++++-
 gcc/opth-gen.awk                                   |  20 +-
 gcc/range-op.cc                                    | 185 +++++++---
 gcc/testsuite/ChangeLog                            | 101 +++++
 gcc/testsuite/c-c++-common/spellcheck-reserved.c   |   2 +-
 gcc/testsuite/gcc.dg/tree-ssa/modref-3.c           |  31 ++
 gcc/testsuite/gfortran.dg/pr97272.f90              |  19 +
 gcc/tracer.c                                       |  18 +
 gcc/tree-ssa-alias.c                               |  38 +-
 gcc/value-range.cc                                 |  67 ++--
 libcc1/ChangeLog                                   |   4 +
 libcc1/libcp1plugin.cc                             |   1 -
 libgomp/ChangeLog                                  |   7 +
 libgomp/testsuite/libgomp.fortran/pr95654.f90      |  11 +
 libstdc++-v3/ChangeLog                             |  21 ++
 libstdc++-v3/config/abi/pre/gnu.ver                |   3 +
 libstdc++-v3/include/bits/atomic_futex.h           |   2 +-
 libstdc++-v3/include/bits/functexcept.h            |   3 +
 libstdc++-v3/include/ext/malloc_allocator.h        |  10 +-
 libstdc++-v3/include/ext/new_allocator.h           |  10 +-
 libstdc++-v3/include/std/memory_resource           |   6 +-
 libstdc++-v3/src/c++11/functexcept.cc              |   4 +
 libstdc++-v3/testsuite/18_support/96817.cc         |   6 +
 .../testsuite/20_util/allocator/lwg3190.cc         |  53 +++
 .../20_util/duration_cast/rounding_c++11.cc        |  43 +++
 .../29_atomics/atomic_float/value_init.cc          |   4 +-
 libstdc++-v3/testsuite/30_threads/async/async.cc   |  62 +++-
 51 files changed, 1640 insertions(+), 275 deletions(-)