[gcc/devel/c++-coroutines] Merge master r11-8327.

[gcc/devel/c++-coroutines] Merge master r11-8327.

[Iain D Sandoe]

https://gcc.gnu.org/g:116900d3cde9cf9c3556711f659135ca0e86faf0

commit 116900d3cde9cf9c3556711f659135ca0e86faf0
Merge: 4b96da8f163 3275f2e2af2
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Thu Apr 22 19:38:01 2021 +0100

    Merge master r11-8327.
    
            * Merge master r11-8327-g3275f2e2af24.

Diff:

 gcc/ChangeLog                                      | 172 +++++++++++++++++++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/builtins.c                                     |   2 +-
 gcc/config/i386/darwin.h                           |   5 -
 gcc/config/i386/i386-expand.c                      |   7 +
 gcc/cp/ChangeLog                                   |  21 +++
 gcc/dwarf2out.c                                    |   4 +-
 gcc/fortran/ChangeLog                              |  24 +++
 gcc/fortran/frontend-passes.c                      |   2 +-
 gcc/fortran/trans-intrinsic.c                      |  26 +---
 gcc/lto-wrapper.c                                  | 113 +++++++++++++-
 gcc/testsuite/ChangeLog                            |  63 ++++++++
 gcc/testsuite/g++.dg/cpp0x/sfinae67.C              |  20 +++
 gcc/testsuite/g++.dg/template/access36.C           |  25 +++
 gcc/testsuite/g++.dg/template/nontype29.C          |   4 +-
 gcc/testsuite/gcc.dg/Warray-bounds-64.c            |   2 +-
 gcc/testsuite/gcc.dg/Warray-parameter.c            |   2 +-
 gcc/testsuite/gcc.dg/Wstring-compare.c             |  10 +-
 gcc/testsuite/gcc.dg/format/gcc_diag-11.c          |   2 +-
 gcc/testsuite/gcc.target/aarch64/pr99988.c         |   2 +-
 gcc/testsuite/gcc.target/i386/pr100119.c           |  28 ++++
 gcc/testsuite/gfortran.dg/array_constructor_3.f90  |   2 +-
 gcc/testsuite/gfortran.dg/matmul_bounds_9.f90      |   2 +-
 gcc/testsuite/gfortran.dg/pr78033.f90              |   2 +-
 gcc/testsuite/gfortran.dg/pr96325.f90              |   2 +-
 gcc/testsuite/gfortran.dg/set_vm_limit.c           |  13 +-
 gcc/testsuite/{ => gfortran.dg}/substr_10.f90      |   0
 gcc/testsuite/{ => gfortran.dg}/substr_9.f90       |   0
 .../struct-layout-encoding-1_generate.c            |   2 +
 libgomp/ChangeLog                                  |  21 +++
 .../testsuite/libgomp.c-c++-common/reduction-16.c  |   2 +-
 libgomp/testsuite/libgomp.fortran/depobj-1.f90     |   3 +-
 libiberty/ChangeLog                                |   6 +
 libphobos/ChangeLog                                |   6 +
 libstdc++-v3/ChangeLog                             |  32 ++++
 libstdc++-v3/config/os/gnu-linux/os_defines.h      |   2 +-
 libstdc++-v3/include/bits/atomic_timed_wait.h      |  22 +--
 libstdc++-v3/include/bits/atomic_wait.h            |  12 +-
 libstdc++-v3/include/bits/semaphore_base.h         |  22 +--
 libstdc++-v3/include/bits/shared_ptr.h             |   2 +
 libstdc++-v3/include/bits/shared_ptr_base.h        |   2 +
 libstdc++-v3/include/std/semaphore                 |   2 +
 .../testsuite/20_util/shared_ptr/creation/99006.cc |   9 ++
 .../testsuite/29_atomics/atomic_float/1.cc         |   1 +
 .../29_atomics/atomic_float/wait_notify.cc         |   1 +
 .../30_threads/semaphore/try_acquire_for.cc        |   2 -
 .../30_threads/semaphore/try_acquire_posix.cc      |   1 +
 .../30_threads/semaphore/try_acquire_until.cc      |   2 -
 .../30_threads/stop_token/stop_callback/destroy.cc |   2 -
 lto-plugin/ChangeLog                               |   4 +
 50 files changed, 627 insertions(+), 88 deletions(-)