[gcc/devel/c++-coroutines] Merge master r10-6763.

[Iain D Sandoe]

https://gcc.gnu.org/g:a1b3c2ab49885646e651cb818ce21875c699c89f

commit a1b3c2ab49885646e651cb818ce21875c699c89f
Merge: 6f96ffb 5586e506
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Thu Feb 20 20:01:01 2020 +0000

    Merge master r10-6763.
    
    2020-02-20  Iain Sandoe  <iain@sandoe.co.uk>
    
    	* Merge master r10-6763-g5586e5060fb6.

Diff:

 gcc/ChangeLog                                      |   16 +
 gcc/DATESTAMP                                      |    2 +-
 gcc/common/config/avr/avr-common.c                 |    6 +-
 gcc/config/darwin.c                                |    3 +-
 gcc/config/or1k/or1k.opt                           |    2 +-
 gcc/config/rs6000/rs6000.c                         |    2 +-
 gcc/cp/ChangeLog                                   |   17 +
 gcc/cp/constexpr.c                                 |    3 +-
 gcc/cp/parser.c                                    |    2 +-
 gcc/doc/invoke.texi                                |    2 +-
 gcc/fortran/ChangeLog                              |   25 +-
 gcc/fortran/openmp.c                               |   15 +-
 gcc/po/ChangeLog                                   |    4 +
 gcc/po/de.po                                       | 1876 ++++++++------------
 gcc/testsuite/ChangeLog                            |   26 +
 gcc/testsuite/g++.dg/cpp0x/constexpr-93169.C       |   21 +
 gcc/testsuite/gcc.dg/gimplefe-41.c                 |    1 +
 gcc/testsuite/gcc.dg/ipa/ipa-sra-19.c              |    1 +
 gcc/testsuite/gcc.dg/strlenopt-81.c                |   13 +-
 gcc/testsuite/gcc.target/powerpc/pr93658.c         |   20 +
 gcc/testsuite/gfortran.dg/goacc/tile-3.f90         |   13 +
 libstdc++-v3/ChangeLog                             |   95 +
 libstdc++-v3/include/bits/iterator_concepts.h      |    2 +
 libstdc++-v3/include/bits/range_access.h           |   42 +-
 libstdc++-v3/include/bits/stl_iterator.h           |    2 +-
 libstdc++-v3/include/std/concepts                  |   38 +-
 libstdc++-v3/include/std/ranges                    |   70 +-
 libstdc++-v3/include/std/system_error              |   79 +-
 libstdc++-v3/include/std/thread                    |   32 +-
 libstdc++-v3/libsupc++/compare                     |   24 +-
 libstdc++-v3/libsupc++/typeinfo                    |    3 +
 .../error_category/operators/less.cc               |   30 +
 .../error_category/operators/three_way.cc          |   48 +
 .../19_diagnostics/error_code/operators/equal.cc   |    1 -
 .../19_diagnostics/error_code/operators/less.cc    |   38 +
 .../error_code/operators/not_equal.cc              |    1 -
 .../error_code/operators/three_way.cc              |   60 +
 .../error_condition/operators/equal.cc             |    1 -
 .../error_condition/operators/less.cc              |   38 +
 .../error_condition/operators/not_equal.cc         |    1 -
 .../error_condition/operators/three_way.cc         |   60 +
 .../headers/iterator/synopsis_c++20.cc             |    2 +-
 .../testsuite/30_threads/thread/id/70294.cc        |   13 +-
 .../testsuite/30_threads/thread/id/operators.cc    |   22 +-
 .../30_threads/thread/id/operators_c++20.cc        |   48 +
 libstdc++-v3/testsuite/std/ranges/access/begin.cc  |    6 +-
 .../testsuite/std/ranges/access/begin_neg.cc       |   39 +
 .../testsuite/std/ranges/access/end_neg.cc         |    5 +-
 .../testsuite/std/ranges/access/size_neg.cc        |    3 +-
 libstdc++-v3/testsuite/std/ranges/access/ssize.cc  |    7 +-
 .../testsuite/std/ranges/adaptors/split.cc         |    3 +-
 .../testsuite/std/ranges/iota/iota_view.cc         |   17 +
 .../testsuite/std/ranges/subrange/lwg3282_neg.cc   |   31 +
 53 files changed, 1634 insertions(+), 1297 deletions(-)