[gcc/devel/omp/gcc-15] Merge branch 'releases/gcc-15' into devel/omp/gcc-15

[Tobias Burnus]

https://gcc.gnu.org/g:2ed152968611a87c80a510ac7ceb24ab53ccc4be

commit 2ed152968611a87c80a510ac7ceb24ab53ccc4be
Merge: a6a5a2674c5c 9803e23a2129
Author: Tobias Burnus <tburnus@baylibre.com>
Date:   Tue Jun 17 11:44:30 2025 +0200

    Merge branch 'releases/gcc-15' into devel/omp/gcc-15
    
    Merge up to r15-9840-g9803e23a212962 (June 17, 2025)

Diff:

 gcc/ChangeLog                                      |  62 +++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/ada/ChangeLog                                  |  66 +++++
 gcc/ada/doc/gnat_rm/gnat_language_extensions.rst   | 156 +++++-------
 .../building_executable_programs_with_gnat.rst     |  17 +-
 .../doc/gnat_ugn/gnat_and_program_execution.rst    |  59 +++--
 gcc/ada/exp_util.adb                               |  28 ++-
 gcc/ada/gnat_rm.texi                               | 265 ++++++++-------------
 gcc/ada/gnat_ugn.texi                              | 102 +++++---
 gcc/ada/sem_ch3.adb                                |  16 +-
 gcc/ada/usage.adb                                  |  10 +-
 gcc/config/avr/avr.md                              |  35 +++
 gcc/fortran/ChangeLog                              |   9 +
 gcc/fortran/trans-expr.cc                          |  16 +-
 gcc/ipa-prop.cc                                    |  28 +++
 gcc/po/ChangeLog                                   |   4 +
 gcc/po/es.po                                       | 193 +++++++--------
 gcc/real.cc                                        |  27 ++-
 gcc/testsuite/ChangeLog                            |  49 ++++
 gcc/testsuite/gcc.dg/bitint-123.c                  |  26 ++
 gcc/testsuite/gcc.dg/ipa/pr120295.c                |  66 +++++
 gcc/testsuite/gcc.dg/pr120638.c                    |  31 +++
 gcc/testsuite/gcc.dg/torture/pr117811.c            |   5 +
 gcc/testsuite/gcc.target/avr/torture/pr120423-1.c  |  29 +++
 .../gcc.target/avr/torture/pr120423-116389.c       |  22 ++
 gcc/testsuite/gcc.target/avr/torture/pr120423-2.c  |  30 +++
 gcc/testsuite/gfortran.dg/save_8.f90               |  13 +
 gcc/tree-chrec.cc                                  |   2 +-
 gcc/tree-ssa-math-opts.cc                          |   1 +
 libstdc++-v3/ChangeLog                             |  38 +++
 libstdc++-v3/include/std/format                    |  18 +-
 .../testsuite/std/format/formatter/120625.cc       |  19 ++
 32 files changed, 974 insertions(+), 470 deletions(-)