[gcc/devel/c++-coroutines] Merge master r11-7833.

[gcc/devel/c++-coroutines] Merge master r11-7833.

[Iain D Sandoe]

https://gcc.gnu.org/g:1922c4965551a0fc360997b4c415430e12bd214b

commit 1922c4965551a0fc360997b4c415430e12bd214b
Merge: 8bbe66c24e0 9efd72d2895
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Thu Mar 25 19:36:22 2021 +0000

    Merge master r11-7833.
    
            * Merge master r11-7833-g9efd72d28956.

Diff:

 gcc/ChangeLog                                      | 46 +++++++++++
 gcc/DATESTAMP                                      |  2 +-
 gcc/analyzer/engine.cc                             | 25 ++++++
 gcc/analyzer/program-state.cc                      | 30 ++++++++
 gcc/analyzer/program-state.h                       |  3 +
 gcc/analyzer/region-model.cc                       | 32 ++++++++
 gcc/analyzer/svalue.cc                             | 34 +++++++++
 gcc/analyzer/svalue.h                              |  2 +
 gcc/c-family/c-warn.c                              |  3 +-
 gcc/c/c-typeck.c                                   |  2 +-
 gcc/common/config/i386/i386-common.c               |  2 +-
 gcc/config/i386/i386-options.c                     |  3 +
 gcc/config/rs6000/rs6000.c                         |  2 +-
 gcc/cp/call.c                                      |  6 +-
 gcc/cp/cvt.c                                       |  8 +-
 gcc/fold-const.c                                   |  3 +-
 gcc/fortran/ChangeLog                              |  6 ++
 gcc/jit/ChangeLog                                  |  5 ++
 gcc/testsuite/ChangeLog                            | 48 ++++++++++++
 gcc/testsuite/g++.dg/warn/Wconversion5.C           | 19 +++++
 gcc/testsuite/g++.dg/warn/Wduplicated-branches6.C  |  9 +++
 gcc/testsuite/g++.dg/warn/Wduplicated-branches7.C  | 11 +++
 gcc/testsuite/g++.target/aarch64/sve/pr96974.C     | 18 +++++
 .../analyzer/attr-malloc-CVE-2019-19078-usb-leak.c |  4 +-
 gcc/testsuite/gcc.dg/analyzer/pr93695-1.c          | 53 +++++++++++++
 gcc/testsuite/gcc.dg/analyzer/pr99044-1.c          | 60 +++++++++++++++
 gcc/testsuite/gcc.dg/analyzer/pr99044-2.c          | 42 ++++++++++
 gcc/testsuite/gcc.dg/analyzer/pr99716-1.c          | 40 ++++++++++
 gcc/testsuite/gcc.dg/analyzer/pr99716-2.c          | 34 +++++++++
 gcc/testsuite/gcc.dg/analyzer/pr99716-3.c          | 16 ++++
 gcc/testsuite/gcc.target/i386/pr99753.c            |  5 ++
 gcc/testsuite/gfortran.dg/vect/pr99746.f90         | 45 +++++++++++
 gcc/tree-core.h                                    |  5 +-
 gcc/tree-vect-loop.c                               |  2 +-
 gcc/tree-vect-slp-patterns.c                       | 10 +--
 gcc/tree-vect-stmts.c                              |  8 +-
 libgomp/config.h.in                                |  3 -
 libgomp/configure                                  | 10 ---
 libgomp/plugin/configfrag.ac                       |  7 --
 libgomp/plugin/plugin-gcn.c                        |  2 +-
 libgomp/testsuite/lib/on_device_arch.c             | 30 ++++++++
 .../testsuite/libgomp.c-c++-common/task-detach-6.c |  7 ++
 libgomp/testsuite/libgomp.c/pr99555-1.c            | 19 +++++
 .../testsuite/libgomp.fortran/task-detach-6.f90    | 13 ++++
 .../libgomp.oacc-fortran/derivedtypes-arrays-1.f90 |  1 +
 libstdc++-v3/libsupc++/new_opa.cc                  |  4 +
 libstdc++-v3/testsuite/util/exception/safety.h     | 89 ++++++++++++++--------
 .../testsuite/util/testsuite_containergen.h        | 14 ++++
 48 files changed, 765 insertions(+), 77 deletions(-)