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

[Martin Liska]

https://gcc.gnu.org/g:0d9e5270f10a21bd5549f3dd12a3b0c7c5f83362

commit 0d9e5270f10a21bd5549f3dd12a3b0c7c5f83362
Merge: fcea5603e57 f8f0193b5b8
Author: Martin Liska <mliska@suse.cz>
Date:   Wed Jun 2 14:46:33 2021 +0200

    Merge branch 'master' into devel/sphinx

Diff:

 gcc/config/arc/arc.h                               |  2 +-
 gcc/config/s390/s390.md                            | 14 ++---
 gcc/config/s390/subst.md                           |  2 +-
 gcc/testsuite/g++.dg/ext/builtin-shufflevector-1.C |  1 +
 gcc/testsuite/gcc.target/s390/ashr.c               | 11 ++++
 gcc/testsuite/gfortran.dg/gomp/taskloop-2.f90      | 72 ++++++++++++++++++++++
 libstdc++-v3/doc/html/manual/abi.html              | 16 ++---
 libstdc++-v3/doc/html/manual/facets.html           |  2 +-
 libstdc++-v3/doc/html/manual/status.html           | 18 +++---
 libstdc++-v3/doc/xml/manual/status_cxxis29124.xml  |  6 +-
 libstdc++-v3/doc/xml/manual/status_cxxtr1.xml      |  6 +-
 libstdc++-v3/doc/xml/manual/status_cxxtr24733.xml  |  7 ++-
 libstdc++-v3/include/bits/hashtable_policy.h       |  6 +-
 .../testsuite/23_containers/unordered_map/96088.cc | 22 ++++---
 .../unordered_map/allocator/default_init.cc        |  1 -
 .../testsuite/23_containers/unordered_set/96088.cc | 22 ++++---
 .../unordered_set/allocator/default_init.cc        |  1 -
 17 files changed, 152 insertions(+), 57 deletions(-)