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

[Martin Liska]

https://gcc.gnu.org/g:520839b3244507adc4f3ad640e5cab46e2ccbf8f

commit 520839b3244507adc4f3ad640e5cab46e2ccbf8f
Merge: 9104f3d64de 21d7bba242f
Author: Martin Liska <mliska@suse.cz>
Date:   Mon May 31 11:30:50 2021 +0200

    Merge branch 'master' into devel/sphinx

Diff:

 ChangeLog                                          |   5 +
 configure                                          |   3 +
 configure.ac                                       |   3 +
 gcc/ChangeLog                                      |  94 +++++++++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/c-family/ChangeLog                             |  10 ++
 gcc/c-family/c-common.c                            | 139 +++++++++++++++
 gcc/c-family/c-common.h                            |   4 +-
 gcc/c/ChangeLog                                    |  26 +++
 gcc/c/c-decl.c                                     |   1 +
 gcc/c/c-parser.c                                   |  38 +++++
 gcc/config/h8300/h8300.c                           |  29 +++-
 gcc/config/rs6000/predicates.md                    |   3 +-
 gcc/cp/ChangeLog                                   |  41 +++++
 gcc/cp/call.c                                      |  22 ++-
 gcc/cp/constexpr.c                                 |  42 ++---
 gcc/cp/coroutines.cc                               |  10 +-
 gcc/cp/cp-objcp-common.c                           |   1 +
 gcc/cp/cp-tree.h                                   |   3 +
 gcc/cp/module.cc                                   |   5 +-
 gcc/cp/parser.c                                    |  15 ++
 gcc/cp/pt.c                                        |  14 +-
 gcc/cp/semantics.c                                 |   5 +-
 gcc/cp/typeck.c                                    |  36 ++++
 gcc/doc/extend.texi                                |  28 +++
 gcc/fortran/ChangeLog                              |  29 ++++
 gcc/fortran/gfortran.texi                          |   2 +-
 gcc/gimple-ssa-evrp.c                              |   6 +-
 gcc/gimplify.c                                     |   8 +-
 gcc/internal-fn.c                                  |   6 +
 gcc/internal-fn.def                                |   3 +
 gcc/internal-fn.h                                  |   1 +
 gcc/lto/lto-common.c                               |   2 +-
 gcc/testsuite/ChangeLog                            | 100 +++++++++++
 .../c-c++-common/builtin-shufflevector-2.c         |  18 ++
 gcc/testsuite/c-c++-common/gomp/pr99928-1.c        |  56 +++---
 gcc/testsuite/c-c++-common/gomp/pr99928-10.c       |  56 +++---
 gcc/testsuite/c-c++-common/gomp/pr99928-13.c       |  22 +--
 gcc/testsuite/c-c++-common/gomp/pr99928-14.c       |  22 +--
 gcc/testsuite/c-c++-common/gomp/pr99928-2.c        |  50 +++---
 gcc/testsuite/c-c++-common/gomp/pr99928-3.c        |  22 +--
 gcc/testsuite/c-c++-common/gomp/pr99928-4.c        |  16 +-
 gcc/testsuite/c-c++-common/gomp/pr99928-5.c        |  22 +--
 gcc/testsuite/c-c++-common/gomp/pr99928-6.c        |  22 +--
 gcc/testsuite/c-c++-common/gomp/pr99928-7.c        |  22 +--
 gcc/testsuite/c-c++-common/gomp/pr99928-8.c        |  56 +++---
 gcc/testsuite/c-c++-common/gomp/pr99928-9.c        |  56 +++---
 .../c-c++-common/torture/builtin-shufflevector-1.c |  49 ++++++
 gcc/testsuite/g++.dg/ext/builtin-shufflevector-1.C |  18 ++
 gcc/testsuite/g++.dg/ext/builtin-shufflevector-2.C |  12 ++
 gcc/testsuite/g++.dg/inherit/virtual15.C           |  18 ++
 gcc/testsuite/g++.dg/inherit/virtual15a.C          |  19 +++
 gcc/testsuite/g++.target/powerpc/pr99842.C         | 188 +++++++++++++++++++++
 gcc/testsuite/gcc.dg/Wstringop-overflow-55.c       |   8 +-
 .../gcc.dg/plugin/diagnostic_plugin_show_trees.c   |   2 +
 .../plugin/diagnostic_plugin_test_inlining.c       |   2 +
 .../gcc.dg/plugin/diagnostic_plugin_test_paths.c   |   2 +
 .../diagnostic_plugin_test_string_literals.c       |   2 +
 .../diagnostic_plugin_test_tree_expression_range.c |   2 +
 gcc/testsuite/gcc.dg/pr80776-1.c                   |   4 +-
 gcc/testsuite/gcc.dg/vect/bb-slp-pr100778-1.c      |  18 ++
 gcc/tree-iterator.h                                |  36 +++-
 gcc/tree-streamer-in.c                             |   2 +-
 gcc/tree-streamer-out.c                            |   2 +-
 gcc/tree-vect-slp.c                                |   4 +-
 gcc/tree.h                                         |   8 +-
 libgomp/ChangeLog                                  |   4 +
 libstdc++-v3/ChangeLog                             |   6 +
 libstdc++-v3/doc/html/manual/abi.html              |   6 +-
 libstdc++-v3/doc/xml/manual/abi.xml                |  10 --
 70 files changed, 1290 insertions(+), 308 deletions(-)