[gcc(refs/vendors/redhat/heads/gcc-15-branch)] Merge commit 'r15-10730-g33a0437ba5984e230488daf67207354172bed3ae' into redhat/gcc-15-branch

[Jakub Jelinek]

https://gcc.gnu.org/g:226e8310eed1ce10784f98f199e1aa4b12ca86b7

commit 226e8310eed1ce10784f98f199e1aa4b12ca86b7
Merge: e1c8dce1e249 33a0437ba598
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Fri Jan 23 20:39:49 2026 +0100

    Merge commit 'r15-10730-g33a0437ba5984e230488daf67207354172bed3ae' into redhat/gcc-15-branch

Diff:

 gcc/ChangeLog                                      |  11 ++
 gcc/DATESTAMP                                      |   2 +-
 gcc/ada/ChangeLog                                  |   7 ++
 gcc/ada/sem_ch13.adb                               |   4 +-
 gcc/ada/sem_util.adb                               |   2 +-
 gcc/builtins.cc                                    |   2 +-
 gcc/config/arm/neon.md                             |  20 ++--
 gcc/config/i386/sse.md                             |   5 +-
 gcc/config/i386/x86-tune.def                       |   3 +-
 gcc/config/rs6000/altivec.md                       |   5 +-
 gcc/cp/ChangeLog                                   |  19 ++++
 gcc/cp/decl.cc                                     |   1 +
 gcc/cp/parser.cc                                   |  10 +-
 gcc/cp/pt.cc                                       |   6 +-
 gcc/fold-const.cc                                  |  17 ++-
 gcc/testsuite/ChangeLog                            |  42 +++++++
 .../g++.dg/cpp23/class-deduction-inherited10.C     |  11 ++
 .../g++.dg/cpp23/class-deduction-inherited9.C      |  31 ++++++
 gcc/testsuite/g++.dg/cpp2a/concepts-friend18.C     |  19 ++++
 gcc/testsuite/g++.dg/cpp2a/concepts-friend18a.C    |  22 ++++
 gcc/testsuite/g++.dg/gomp/pr123597.C               |  25 +++++
 gcc/testsuite/g++.dg/torture/pr123603.C            |  20 ++++
 gcc/testsuite/gcc.c-torture/compile/pr123703.c     |  10 ++
 gcc/testsuite/gcc.dg/torture/pr123107.c            |  18 +++
 gcc/testsuite/gcc.dg/vect/vect-pr122793.c          |  28 +++++
 gcc/testsuite/gcc.target/arm/neon-smax16.c         |  14 +++
 gcc/testsuite/gcc.target/arm/neon-smin16.c         |  14 +++
 gcc/testsuite/gcc.target/i386/apx-broadcast.c      |  24 ++++
 .../gcc.target/powerpc/builtins-1-p9-runnable.c    |   5 -
 gcc/testsuite/gfortran.dg/vect/vect-pr123741.f90   |  50 +++++++++
 gcc/testsuite/gnat.dg/generic_inst16.adb           |  11 ++
 .../generic_inst16_pkg-child-grandchild.ads        |  20 ++++
 gcc/testsuite/gnat.dg/generic_inst16_pkg-child.ads |  17 +++
 gcc/testsuite/gnat.dg/generic_inst16_pkg.ads       |   5 +
 gcc/testsuite/gnat.dg/generic_inst16_proc.adb      |   7 ++
 gcc/testsuite/gnat.dg/generic_inst16_proc.ads      |   5 +
 gcc/tree-ssa-loop-unswitch.cc                      |   3 +-
 gcc/tree-ssa-pre.cc                                |   7 +-
 gcc/tree-vect-slp.cc                               |  67 ++++++-----
 gcc/tree-vect-stmts.cc                             |   2 +-
 libstdc++-v3/ChangeLog                             |  29 +++++
 .../abi/post/ia64-linux-gnu/baseline_symbols.txt   | 122 ++++++++++++++++++++-
 libstdc++-v3/include/bits/chrono_io.h              |   8 +-
 libstdc++-v3/src/c++11/system_error.cc             |  21 ++--
 .../error_category/system_category.cc              |  19 +++-
 libstdc++-v3/testsuite/std/time/parse/parse.cc     |  14 +++
 46 files changed, 725 insertions(+), 79 deletions(-)