[gcc/devel/c++-coroutines] Merge master r12-1149.

[gcc/devel/c++-coroutines] Merge master r12-1149.

[Iain D Sandoe]

https://gcc.gnu.org/g:f25f21cea92dbce5fc1f6e2b868128740fa54206

commit f25f21cea92dbce5fc1f6e2b868128740fa54206
Merge: 3fc347359a5 833d348aec1
Author: Iain Sandoe <iain@sandoe.co.uk>
Date:   Tue Jun 1 19:24:34 2021 +0100

    Merge master r12-1149.
    
            * Merge master r12-1149-g833d348aec15.

Diff:

 ChangeLog                                          |   4 +
 gcc/ChangeLog                                      |  27 ++
 gcc/DATESTAMP                                      |   2 +-
 gcc/c-family/ChangeLog                             |  15 +
 gcc/c-family/c-attribs.c                           |   6 +-
 gcc/c-family/c-pragma.c                            |   2 +
 gcc/c/ChangeLog                                    |   6 +
 gcc/cp/ChangeLog                                   |  13 +
 gcc/cp/call.c                                      |   4 +-
 gcc/cp/decl2.c                                     |   8 +-
 gcc/cp/init.c                                      |   5 +-
 gcc/diagnostic.c                                   |  85 +++--
 gcc/diagnostic.h                                   |   2 +
 gcc/doc/invoke.texi                                |   2 +-
 gcc/fortran/dump-parse-tree.c                      |  12 +
 gcc/fortran/frontend-passes.c                      |   2 +
 gcc/fortran/gfortran.h                             |  10 +-
 gcc/fortran/match.h                                |   4 +
 gcc/fortran/openmp.c                               |  85 ++++-
 gcc/fortran/parse.c                                |  73 +++-
 gcc/fortran/resolve.c                              |  10 +
 gcc/fortran/st.c                                   |   4 +
 gcc/fortran/trans-openmp.c                         | 112 +++++--
 gcc/fortran/trans.c                                |   4 +
 gcc/gimple-range-cache.cc                          | 215 ++++++++----
 gcc/gimple-range-cache.h                           |  17 +-
 gcc/gimple-range-gori.cc                           | 371 ++++++++-------------
 gcc/gimple-range-gori.h                            |  47 +--
 gcc/gimple-range.cc                                |  19 +-
 gcc/gimple-range.h                                 |   3 +-
 gcc/gimple-ssa-evrp.c                              |   6 +-
 gcc/lto/ChangeLog                                  |   5 +
 gcc/testsuite/ChangeLog                            |  18 +
 gcc/testsuite/g++.dg/cpp0x/depr-copy4.C            |  16 +
 gcc/testsuite/g++.dg/cpp2a/destroying-delete5.C    |  36 ++
 gcc/testsuite/g++.dg/pr100774.C                    |  24 ++
 gcc/testsuite/gcc.dg/Wstringop-overflow-55.c       |   8 +-
 gcc/testsuite/gcc.dg/pr100781.c                    |  25 ++
 gcc/testsuite/gcc.dg/pr80776-1.c                   |   4 +-
 gcc/testsuite/gcc.target/i386/pr98365.c            |  22 ++
 gcc/testsuite/gcc.target/powerpc/rop-5.c           |   1 +
 gcc/testsuite/gfortran.dg/gomp/pr99928-3.f90       | 139 ++++++++
 gcc/testsuite/gfortran.dg/gomp/reduction5.f90      |   4 +-
 gcc/testsuite/gfortran.dg/gomp/scan-1.f90          |   4 +-
 gcc/testsuite/gfortran.dg/gomp/taskloop-1.f90      | 126 +++++++
 gcc/tree-if-conv.c                                 | 142 +++++++-
 gcc/tree.h                                         |   2 +-
 libstdc++-v3/include/bits/ranges_base.h            |   2 +-
 libstdc++-v3/python/Makefile.am                    |   4 +
 libstdc++-v3/python/Makefile.in                    |   4 +
 .../22_locale/ctype/is/string/89728_neg.cc         |   8 +-
 .../testsuite/23_containers/unordered_map/96088.cc |   2 +-
 .../testsuite/23_containers/unordered_set/96088.cc |   2 +-
 .../24_iterators/range_operations/advance.cc       |  48 ++-
 54 files changed, 1368 insertions(+), 453 deletions(-)