[gcc/devel/c++-coroutines] Merge master r11-2969.

[Iain D Sandoe]

https://gcc.gnu.org/g:7ae27ea453d7957d6a64f499afb0c293b5afdc03

commit 7ae27ea453d7957d6a64f499afb0c293b5afdc03
Merge: 787a6bf9b24 b1850c617b1
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Tue Sep 1 19:33:33 2020 +0100

    Merge master r11-2969.
    
            * Merge master r11-2969-gb1850c617b14.

Diff:

 gcc/ChangeLog                                      |  58 ++++++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/analyzer/ChangeLog                             |  57 ++++++++
 gcc/analyzer/region-model-manager.cc               |  35 ++++-
 gcc/analyzer/region-model.cc                       |  59 +++++++--
 gcc/analyzer/region.cc                             |   3 +-
 gcc/analyzer/store.cc                              | 146 +++++++++++++++------
 gcc/analyzer/store.h                               |  10 +-
 gcc/analyzer/svalue.cc                             |  13 +-
 gcc/c/c-typeck.c                                   |   2 +-
 gcc/cfgrtl.c                                       |  68 ++++++++--
 gcc/cfgrtl.h                                       |   3 +-
 gcc/config/c6x/c6x.c                               |   3 +-
 gcc/config/rs6000/altivec.h                        |   4 -
 gcc/cp/ChangeLog                                   |  17 +++
 gcc/cp/call.c                                      |   4 +-
 gcc/cp/init.c                                      |  55 +++++++-
 gcc/cp/parser.c                                    |  13 +-
 gcc/cp/pt.c                                        |   4 +
 gcc/cp/semantics.c                                 |   2 +-
 gcc/d/ChangeLog                                    |  10 ++
 gcc/doc/sourcebuild.texi                           |  20 +++
 gcc/fortran/resolve.c                              |   4 +-
 gcc/gimple.c                                       |   7 +-
 gcc/modulo-sched.c                                 |  10 +-
 gcc/symbol-summary.h                               |  13 +-
 gcc/targhooks.c                                    |   5 +-
 gcc/testsuite/ChangeLog                            |  75 +++++++++++
 gcc/testsuite/c-c++-common/gomp/pr96867.c          |   9 ++
 gcc/testsuite/g++.dg/analyzer/pr96763.C            |  13 ++
 gcc/testsuite/g++.dg/cpp0x/sfinae4.C               |   8 +-
 gcc/testsuite/g++.dg/cpp2a/new-array1.C            |  70 ++++++++++
 gcc/testsuite/g++.dg/cpp2a/new-array2.C            |  22 ++++
 gcc/testsuite/g++.dg/cpp2a/new-array3.C            |  17 +++
 gcc/testsuite/g++.dg/cpp2a/new-array4.C            |  10 ++
 gcc/testsuite/gcc.dg/analyzer/memset-1.c           |  14 ++
 gcc/testsuite/gcc.dg/analyzer/pr96764.c            |   6 +
 gcc/testsuite/gcc.dg/analyzer/pr96792.c            |  39 ++++++
 gcc/testsuite/gcc.dg/analyzer/pr96860-1.c          |   9 ++
 gcc/testsuite/gcc.dg/analyzer/pr96860-2.c          |   8 ++
 gcc/testsuite/gfortran.dg/pr95398.f90              |  53 ++++++++
 gcc/testsuite/lib/target-supports.exp              |   2 +-
 gcc/tree-cfg.c                                     |  25 +---
 gcc/tree-ssa-address.c                             |  10 ++
 gcc/tree.c                                         |  15 +++
 gcc/tree.h                                         |   1 +
 gcc/vec.h                                          |  10 +-
 libstdc++-v3/include/std/chrono                    |  21 ++-
 .../testsuite/20_util/duration/cons/dr2094.cc      |  64 +++++++++
 .../duration/requirements/reduced_period.cc        |  10 +-
 .../20_util/duration/requirements/typedefs_neg2.cc |   1 +
 51 files changed, 998 insertions(+), 141 deletions(-)