[gcc/devel/sphinx] Merge branch 'master' into devel/sphinx

[Martin Liska]

https://gcc.gnu.org/g:ae420abed0fe342866cf2bdfaf0ec1134493b25e

commit ae420abed0fe342866cf2bdfaf0ec1134493b25e
Merge: a78721691fb 67378cd63d6
Author: Martin Liska <mliska@suse.cz>
Date:   Tue Apr 20 10:01:29 2021 +0200

    Merge branch 'master' into devel/sphinx

Diff:

 gcc/ChangeLog                                      |  38 +++
 gcc/DATESTAMP                                      |   2 +-
 gcc/c-family/ChangeLog                             |   4 +
 gcc/c-family/c.opt                                 |  13 -
 gcc/config/arm/arm.c                               |   8 +-
 gcc/cp/ChangeLog                                   |   6 +
 gcc/cp/decl.c                                      |   6 +
 gcc/d/ChangeLog                                    |   8 +
 gcc/d/d-diagnostic.cc                              |  64 ++++-
 gcc/doc/invoke.texi                                |  24 +-
 gcc/fortran/ChangeLog                              |   4 +
 gcc/fortran/lang.opt                               |   4 -
 gcc/fortran/trans-decl.c                           |   3 +-
 gcc/gimple-range-cache.h                           |   2 +-
 gcc/gimple-range-gori.cc                           |  67 +++--
 gcc/omp-oacc-kernels-decompose.cc                  |   2 +-
 gcc/params.opt                                     |  18 ++
 gcc/testsuite/ChangeLog                            |  38 +++
 gcc/testsuite/c-c++-common/goacc/if-clause-2.c     |   2 +-
 .../c-c++-common/goacc/kernels-decompose-1.c       |   2 +-
 .../c-c++-common/goacc/kernels-decompose-2.c       |   2 +-
 .../c-c++-common/goacc/kernels-decompose-ice-1.c   |   2 +-
 .../c-c++-common/goacc/kernels-decompose-ice-2.c   |   2 +-
 gcc/testsuite/g++.dg/concepts/diagnostic16.C       |  45 ++++
 gcc/testsuite/g++.dg/diagnostic/pr72803.C          |   5 +-
 gcc/testsuite/gcc.dg/pr100142.c                    |   8 +
 gcc/testsuite/gcc.target/aarch64/pr100075.c        |   1 +
 gcc/testsuite/gdc.dg/pr98457.d                     |   9 +
 .../gfortran.dg/goacc/kernels-decompose-1.f95      |   2 +-
 .../gfortran.dg/goacc/kernels-decompose-2.f95      |   2 +-
 gcc/testsuite/gfortran.dg/goacc/kernels-tree.f95   |   2 +-
 gcc/testsuite/gfortran.dg/pdt_26.f03               |   4 +-
 gcc/testsuite/gfortran.dg/pdt_31.f03               |  26 ++
 libcpp/ChangeLog                                   |   6 +
 libcpp/line-map.c                                  |   2 +-
 libgomp/ChangeLog                                  |  10 +
 .../declare-vla-kernels-decompose-ice-1.c          |   2 +-
 .../declare-vla-kernels-decompose.c                |   2 +-
 .../kernels-decompose-1.c                          |   2 +-
 .../testsuite/libgomp.oacc-fortran/pr94358-1.f90   |   2 +-
 libphobos/ChangeLog                                |  66 +++++
 libphobos/configure                                |  26 +-
 libphobos/libdruntime/MERGE                        |   2 +-
 libphobos/libdruntime/Makefile.am                  |  29 +-
 libphobos/libdruntime/Makefile.in                  |  93 ++++---
 libphobos/libdruntime/config/common/threadasm.S    |   2 +-
 libphobos/libdruntime/config/mingw/msvc.c          | 169 ++++++++++++
 libphobos/libdruntime/config/mingw/switchcontext.S |  12 +-
 .../libdruntime/config/powerpc/switchcontext.S     | 278 ++++++++++++++++++-
 libphobos/libdruntime/config/x86/switchcontext.S   | 159 ++++++++++-
 libphobos/libdruntime/core/stdc/config.d           |  39 ++-
 libphobos/libdruntime/core/stdc/math.d             | 295 +++++++++++----------
 libphobos/libdruntime/core/stdc/stdio.d            |  82 +++++-
 libphobos/libdruntime/core/stdc/stdlib.d           |  27 +-
 libphobos/libdruntime/core/stdc/tgmath.d           |   7 +
 libphobos/libdruntime/core/sys/darwin/config.d     |  53 ++++
 .../libdruntime/core/sys/darwin/mach/thread_act.d  |  66 +++++
 .../libdruntime/core/sys/openbsd/sys/link_elf.d    |   5 +
 libphobos/libdruntime/core/sys/posix/stdio.d       |  50 ++++
 libphobos/libdruntime/core/sys/windows/com.d       |   4 +-
 libphobos/libdruntime/core/sys/windows/dbghelp.d   |   2 +-
 libphobos/libdruntime/core/sys/windows/dll.d       |   4 +-
 libphobos/libdruntime/core/sys/windows/threadaux.d |   4 +-
 libphobos/libdruntime/core/thread/fiber.d          |  48 +++-
 libphobos/libdruntime/core/thread/osthread.d       | 138 +++++++++-
 libphobos/libdruntime/core/thread/threadbase.d     |   4 +
 libphobos/libdruntime/gcc/backtrace.d              |   4 +-
 libphobos/libdruntime/gcc/deh.d                    |  31 +--
 libphobos/libdruntime/gcc/gthread.d                |   6 +-
 libphobos/libdruntime/gcc/sections/elf.d           |  54 ++--
 libphobos/libdruntime/gcc/sections/package.d       |   1 +
 libphobos/libdruntime/gcc/unwind/generic.d         |   2 +-
 libphobos/libdruntime/gcc/unwind/pe.d              |  81 +++---
 libphobos/libdruntime/rt/dmain2.d                  |  67 +----
 libphobos/m4/druntime/libraries.m4                 |   4 +-
 libphobos/m4/druntime/os.m4                        |  22 +-
 libphobos/src/MERGE                                |   2 +-
 libphobos/src/std/process.d                        |  51 +++-
 .../testsuite/libphobos.thread/fiber_guard_page.d  |   6 +-
 libstdc++-v3/ChangeLog                             |   5 +
 .../post/x86_64-linux-gnu/x32/baseline_symbols.txt | 102 +++++++
 81 files changed, 2042 insertions(+), 511 deletions(-)