[gcc/devel/c++-coroutines] Merge master r12-3296.

[Iain D Sandoe]

https://gcc.gnu.org/g:e5370d1813a47f1d3ecaaf36b5c005b0bab42100

commit e5370d1813a47f1d3ecaaf36b5c005b0bab42100
Merge: 571f4fef343 fbb334a6acc
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Wed Sep 1 19:38:13 2021 +0100

    Merge master r12-3296.
    
            * Merge master r12-3296-gfbb334a6acc5.

Diff:

 ChangeLog                                          |   5 +
 MAINTAINERS                                        |   1 +
 gcc/ChangeLog                                      | 146 +++++++++++++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/c-family/c-attribs.c                           |  69 +++++++
 gcc/c/ChangeLog                                    |   5 +
 gcc/c/c-decl.c                                     |  52 +++++-
 gcc/c/c-tree.h                                     |   2 +
 gcc/c/c-typeck.c                                   |   8 +-
 gcc/cp/ChangeLog                                   |  44 +++++
 gcc/cp/call.c                                      |   4 +-
 gcc/cp/class.c                                     |   2 +
 gcc/cp/coroutines.cc                               |   8 +-
 gcc/cp/cp-tree.h                                   |   2 +-
 gcc/cp/decl.c                                      |  69 ++++++-
 gcc/cp/decl.h                                      |   3 +-
 gcc/cp/decl2.c                                     |  58 +++++-
 gcc/cp/module.cc                                   |   2 +-
 gcc/cp/parser.c                                    |  47 +++--
 gcc/cp/typeck.c                                    |   9 +-
 gcc/cp/typeck2.c                                   |   2 +-
 gcc/doc/extend.texi                                |  46 +++++
 gcc/doc/md.texi                                    |   4 +
 gcc/emit-rtl.c                                     |  40 ----
 gcc/expmed.c                                       | 103 +++--------
 gcc/fortran/ChangeLog                              |  13 ++
 gcc/fortran/resolve.c                              |   2 +-
 gcc/fortran/simplify.c                             |  31 +---
 gcc/gimple-ssa-store-merging.c                     |  27 ++-
 gcc/graph.c                                        |   9 +-
 gcc/objc/objc-act.c                                |  81 ++++++--
 gcc/objc/objc-next-runtime-abi-02.c                |  29 +--
 gcc/print-tree.c                                   |   2 +
 gcc/read-md.c                                      |  21 ++-
 gcc/testsuite/ChangeLog                            |  84 +++++++++
 gcc/testsuite/g++.dg/ext/attr-unavailable-1.C      | 113 +++++++++++
 gcc/testsuite/g++.dg/ext/attr-unavailable-2.C      |  10 +
 gcc/testsuite/g++.dg/ext/attr-unavailable-3.C      |  14 ++
 gcc/testsuite/g++.dg/ext/attr-unavailable-4.C      |  11 ++
 gcc/testsuite/g++.dg/ext/attr-unavailable-5.C      |   6 +
 gcc/testsuite/g++.dg/ext/attr-unavailable-6.C      | 110 +++++++++++
 gcc/testsuite/g++.dg/ext/attr-unavailable-7.C      |  19 ++
 gcc/testsuite/g++.dg/ext/attr-unavailable-8.C      |  17 ++
 gcc/testsuite/g++.dg/ext/attr-unavailable-9.C      |  17 ++
 gcc/testsuite/gcc.dg/attr-unavailable-1.c          |  88 +++++++++
 gcc/testsuite/gcc.dg/attr-unavailable-2.c          |   6 +
 gcc/testsuite/gcc.dg/attr-unavailable-3.c          |  10 +
 gcc/testsuite/gcc.dg/attr-unavailable-4.c          |  88 +++++++++
 gcc/testsuite/gcc.dg/attr-unavailable-5.c          |   6 +
 gcc/testsuite/gcc.dg/attr-unavailable-6.c          |  11 ++
 gcc/testsuite/gcc.dg/pr102141.c                    |  11 ++
 gcc/testsuite/gcc.dg/pr79412.c                     |   9 +
 gcc/testsuite/gcc.dg/torture/pr102124.c            |  27 +++
 gcc/testsuite/gcc.dg/torture/pr102139.c            |  43 +++++
 gcc/testsuite/gcc.dg/torture/pr102149.c            |  19 ++
 gcc/testsuite/gcc.dg/torture/pr93491.c             |  24 +++
 gcc/testsuite/gcc.dg/tree-ssa/pr88087.c            |  18 +-
 gcc/testsuite/gcc.dg/typedef-var-2.c               |   5 +-
 gcc/testsuite/gfortran.dg/pr100950.f90             |  12 ++
 .../obj-c++.dg/attributes/method-unavailable-1.mm  |  34 ++++
 .../obj-c++.dg/attributes/method-unavailable-2.mm  |  24 +++
 .../obj-c++.dg/attributes/method-unavailable-3.mm  |  22 +++
 .../property/at-property-unavailable-1.mm          |  38 ++++
 .../property/at-property-unavailable-2.mm          |  26 +++
 .../obj-c++.dg/property/dotsyntax-unavailable-1.mm |  42 +++++
 .../objc.dg/attributes/method-unavailable-1.m      |  34 ++++
 .../objc.dg/attributes/method-unavailable-2.m      |  24 +++
 .../objc.dg/attributes/method-unavailable-3.m      |  22 +++
 .../objc.dg/property/at-property-unavailable-1.m   |  39 ++++
 .../objc.dg/property/at-property-unavailable-2.m   |  26 +++
 .../objc.dg/property/dotsyntax-unavailable-1.m     |  42 +++++
 gcc/tree-core.h                                    |  10 +-
 gcc/tree-ssa-pre.c                                 |  33 +++-
 gcc/tree-ssa-sccvn.c                               |   1 +
 gcc/tree-vect-data-refs.c                          |  66 +++----
 gcc/tree-vect-patterns.c                           |  26 ++-
 gcc/tree-vectorizer.h                              |  10 +-
 gcc/tree.c                                         | 206 ++++++++-------------
 gcc/tree.h                                         |   6 +
 libcpp/ChangeLog                                   |   5 +
 libgcc/ChangeLog                                   |   8 +
 libgcc/unwind-arm-common.inc                       |   4 -
 libiberty/configure                                |  43 ++---
 libiberty/configure.ac                             |  15 +-
 libiberty/xmalloc.c                                |   2 +
 libphobos/m4/druntime/os.m4                        |   7 +-
 libphobos/src/Makefile.am                          |   4 +
 libphobos/src/Makefile.in                          |   5 +-
 libstdc++-v3/ChangeLog                             |  44 +++++
 89 files changed, 2122 insertions(+), 472 deletions(-)