[gcc/devel/rust/master] Merge commit 'ae113080a9f98e807db239f3ad2157c64324542f' into HEAD

[gcc/devel/rust/master] Merge commit 'ae113080a9f98e807db239f3ad2157c64324542f' into HEAD

[Thomas Schwinge]

https://gcc.gnu.org/g:bc644ac37771b9119254831af264e1132b3259da

commit bc644ac37771b9119254831af264e1132b3259da
Merge: 87e7c9dedac ae113080a9f
Author: Thomas Schwinge <thomas@codesourcery.com>
Date:   Tue Feb 21 20:47:19 2023 +0100

    Merge commit 'ae113080a9f98e807db239f3ad2157c64324542f' into HEAD

Diff:

 contrib/ChangeLog                        |   4 +
 fixincludes/ChangeLog                    |   5 +
 gcc/ChangeLog                            | 247 +++++++++++++++++++++++++
 gcc/DATESTAMP                            |   2 +-
 gcc/c-family/ChangeLog                   |   8 +
 gcc/c-family/c-attribs.cc                |  28 +--
 gcc/c-family/c-warn.cc                   |   2 +
 gcc/c/ChangeLog                          |  21 +++
 gcc/c/c-decl.cc                          |  34 ++--
 gcc/c/c-objc-common.cc                   |   6 +-
 gcc/c/c-objc-common.h                    |   2 +-
 gcc/c/c-parser.cc                        |  13 +-
 gcc/c/c-tree.h                           |  16 +-
 gcc/c/c-typeck.cc                        |  20 +-
 gcc/config.gcc                           |  14 +-
 gcc/config/i386/i386-expand.cc           |  31 ++++
 gcc/config/i386/i386-protos.h            |   1 +
 gcc/config/i386/i386.md                  |  17 +-
 gcc/config/loongarch/t-linux             |   2 +-
 gcc/cp/ChangeLog                         |  69 +++++++
 gcc/cp/semantics.cc                      |  17 +-
 gcc/doc/invoke.texi                      |   2 +-
 gcc/match.pd                             |   2 -
 gcc/rust/ChangeLog                       |   4 +
 gcc/testsuite/ChangeLog                  |  82 +++++++++
 gcc/testsuite/g++.dg/DRs/dr2518.C        |   7 +
 gcc/testsuite/gcc.dg/pr105660-1.c        |  13 ++
 gcc/testsuite/gcc.dg/pr105660-2.c        |  12 ++
 gcc/testsuite/gcc.dg/pr108375-1.c        |  14 ++
 gcc/testsuite/gcc.dg/pr108375-2.c        |  15 ++
 gcc/testsuite/gcc.dg/pr108819.c          |  19 ++
 gcc/testsuite/gcc.dg/torture/pr108825.c  |  20 ++
 gcc/testsuite/gcc.target/i386/pr108832.c |  19 ++
 gcc/tree-ssa-loop-manip.cc               |  11 +-
 gcc/tree-ssa-loop-niter.cc               |   6 +-
 gcc/tree-ssa-reassoc.cc                  |   3 +
 gcc/value-query.h                        |   2 +-
 libgm2/ChangeLog                         |   7 +
 libgm2/libm2iso/RTco.cc                  | 303 ++++++++++++++++++-------------
 libstdc++-v3/ChangeLog                   |   5 +
 libstdc++-v3/doc/html/faq.html           |   4 +-
 libstdc++-v3/doc/xml/faq.xml             |   4 +-
 42 files changed, 899 insertions(+), 214 deletions(-)