[gcc/devel/c++-coroutines] Merge master r11-1640.

[gcc/devel/c++-coroutines] Merge master r11-1640.

[Iain D Sandoe]

https://gcc.gnu.org/g:e0a7d0320118f02856b4cbca3d653ab6f902dbf8

commit e0a7d0320118f02856b4cbca3d653ab6f902dbf8
Merge: 16cbe7f2634 1e5da6a02fe
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Wed Jun 24 21:10:13 2020 +0100

    Merge master r11-1640.
    
            * Merge master r11-1640-g1e5da6a02fec.

Diff:

 contrib/download_prerequisites                     |  18 +-
 gcc/ChangeLog                                      |  40 +
 gcc/DATESTAMP                                      |   2 +-
 gcc/ada/ChangeLog                                  |  47 ++
 gcc/common/config/i386/cpuinfo.h                   | 850 +++++++++++++++++++++
 gcc/common/config/i386/i386-common.c               | 239 +++---
 .../common/config/i386/i386-cpuinfo.h              | 118 ++-
 gcc/common/config/i386/i386-isas.h                 | 163 ++++
 gcc/config.gcc                                     |   4 +-
 gcc/config/i386/driver-i386.c                      | 644 +++-------------
 gcc/config/i386/i386-builtins.c                    | 456 ++---------
 gcc/config/i386/i386.h                             |   5 +
 gcc/cp/ChangeLog                                   |  22 +
 gcc/cp/call.c                                      |  50 +-
 gcc/cp/class.c                                     |   4 +
 gcc/cp/coroutines.cc                               |  12 +
 gcc/cp/cp-tree.h                                   |   5 +-
 gcc/cp/decl.c                                      |  55 +-
 gcc/cp/pt.c                                        |  73 +-
 gcc/fold-const.c                                   |  18 +-
 gcc/fortran/ChangeLog                              |  13 +
 gcc/fortran/iresolve.c                             |   4 +-
 gcc/omp-low.c                                      |   4 +-
 gcc/optc-save-gen.awk                              |  20 +-
 gcc/simplify-rtx.c                                 |   6 +
 gcc/testsuite/ChangeLog                            |  39 +
 .../coro-bad-gro-00-class-gro-scalar-return.C      |  65 ++
 ...C => coro-bad-gro-01-void-gro-non-class-coro.C} |   2 +-
 gcc/testsuite/g++.dg/coroutines/pr95518.C          |  28 +
 gcc/testsuite/g++.dg/coroutines/pr95813.C          |  46 ++
 gcc/testsuite/g++.dg/cpp2a/class-deduction-aggr3.C |  24 +
 gcc/testsuite/g++.dg/cpp2a/class-deduction-aggr4.C |  29 +
 gcc/testsuite/g++.dg/tree-ssa/final4.C             |  12 +
 gcc/testsuite/gcc.dg/ubsan/pr95810.c               |  13 +
 gcc/testsuite/gcc.dg/vect/pr95856.c                |  20 +
 gcc/testsuite/gcc.target/i386/builtin_target.c     | 355 +--------
 gcc/testsuite/gcc.target/i386/pr95866-1.c          |  18 +
 gcc/testsuite/gfortran.dg/pr95827.f90              |  14 +
 .../gfortran.fortran-torture/execute/forall_5.f90  |   8 +-
 gcc/tree-vect-data-refs.c                          | 267 ++++---
 gcc/tree-vect-slp.c                                |  77 +-
 gcc/tree-vect-stmts.c                              |   3 +-
 gcc/tree-vectorizer.c                              |   4 +
 gcc/tree-vectorizer.h                              |   1 +
 include/ChangeLog                                  |   4 +
 libgcc/ChangeLog                                   |   6 +
 libgcc/config/avr/libf7/ChangeLog                  |   4 +
 libgcc/config/i386/cpuinfo.c                       | 465 +----------
 libgomp/ChangeLog                                  |   5 +
 libiberty/ChangeLog                                |   7 +
 libstdc++-v3/ChangeLog                             |  30 +
 libstdc++-v3/include/bits/stl_algobase.h           |   3 +
 libstdc++-v3/include/std/charconv                  |  15 +-
 libstdc++-v3/testsuite/20_util/from_chars/1.cc     |  19 +-
 libstdc++-v3/testsuite/20_util/from_chars/3.cc     |  79 ++
 libstdc++-v3/testsuite/20_util/to_chars/95851.cc   |  36 +
 56 files changed, 2598 insertions(+), 1972 deletions(-)