https://gcc.gnu.org/g:299abcaf55e89b21cce24f174f523bba4bdfea30

commit 299abcaf55e89b21cce24f174f523bba4bdfea30
Merge: 1f104578f7c6 43971276091c
Author: Tobias Burnus <[email protected]>
Date:   Sun Nov 8 20:57:53 2026 +0100

    Merge branch 'releases/gcc-16' into devel/omp/gcc-16
    
    Merge up to r16-9924-g43971276091c5c (Nov 8, 2026)

Diff:

 contrib/ChangeLog                                  |   8 +
 contrib/gcc_update                                 |  41 +-
 gcc/ChangeLog                                      | 569 +++++++++++++++++++++
 gcc/DATESTAMP                                      |   2 +-
 gcc/ada/ChangeLog                                  |  66 +++
 gcc/ada/checks.adb                                 |   4 +-
 gcc/ada/exp_aggr.adb                               |  73 +--
 gcc/ada/exp_ch2.adb                                |   2 +-
 gcc/ada/exp_ch6.adb                                |   4 +-
 gcc/ada/exp_ch7.adb                                |   2 +-
 gcc/ada/exp_pakd.adb                               |   6 +-
 gcc/ada/exp_util.adb                               |   2 +-
 gcc/ada/gcc-interface/Makefile.in                  |   1 -
 gcc/ada/libgnat/g-sothco.ads                       |   3 +-
 gcc/ada/libgnat/s-c_time.ads                       |   1 -
 gcc/ada/libgnat/s-fatgen.adb                       |  12 +-
 gcc/ada/s-oscons-tmplt.c                           |  12 +-
 gcc/ada/sem_ch12.adb                               |  77 +--
 gcc/ada/sem_ch3.adb                                |   4 +-
 gcc/ada/sem_util.adb                               |  22 +-
 gcc/ada/sem_util.ads                               |   3 -
 gcc/common/config/i386/i386-common.cc              |   4 +-
 gcc/config/bpf/bpf.cc                              |   2 +-
 gcc/config/i386/i386-expand.cc                     |   9 +-
 gcc/config/i386/i386-options.cc                    |   4 +
 gcc/config/i386/i386-options.h                     |   1 +
 gcc/config/i386/i386-opts.h                        |   3 +-
 gcc/config/i386/i386.cc                            | 205 +++++++-
 gcc/config/i386/i386.md                            |  97 +++-
 gcc/config/i386/i386.opt                           |   3 +
 gcc/config/i386/sgxintrin.h                        |   2 +-
 gcc/config/i386/sse.md                             |  10 +-
 gcc/config/pa/pa.cc                                | 259 +++++++++-
 gcc/config/rs6000/emmintrin.h                      |   6 +
 gcc/config/rs6000/xmmintrin.h                      |   3 +
 gcc/config/s390/s390.md                            |   4 +-
 gcc/cp/ChangeLog                                   |  54 ++
 gcc/cp/constexpr.cc                                |  20 +-
 gcc/cp/cp-tree.h                                   |   1 +
 gcc/cp/name-lookup.cc                              |   2 +-
 gcc/cp/pt.cc                                       |   8 +-
 gcc/cp/reflect.cc                                  |  23 +-
 gcc/cp/semantics.cc                                |   2 +
 gcc/doc/gm2.texi                                   |  72 ++-
 gcc/doc/invoke.texi                                |  69 ++-
 gcc/doc/sourcebuild.texi                           |   4 +-
 gcc/fortran/ChangeLog                              |  31 ++
 gcc/fortran/gfortran.texi                          |   4 +
 gcc/fortran/intrinsic.cc                           |   4 +-
 gcc/fortran/intrinsic.texi                         |   8 +-
 gcc/fortran/module.cc                              |   4 +-
 gcc/fortran/trans-expr.cc                          |  25 +-
 gcc/gimple-fold.cc                                 |  73 ++-
 gcc/gimple-isel.cc                                 |  16 +-
 gcc/gimple-lower-bitint.cc                         |  65 ++-
 gcc/gimple-ssa-isolate-paths.cc                    |  68 ++-
 gcc/gimple-ssa-pta-constraints.cc                  |  86 ++--
 gcc/gimple.cc                                      |   6 +-
 gcc/ipa-cp.cc                                      |  41 +-
 gcc/ipa-fnsummary.cc                               |   4 +-
 gcc/m2/gm2-compiler/P3Build.bnf                    |  31 +-
 gcc/m2/gm2-libs-iso/Storage.def                    |   3 +-
 gcc/m2/gm2-libs-iso/Storage.mod                    |  33 +-
 gcc/match.pd                                       |   8 +-
 gcc/simplify-rtx.cc                                |  12 +-
 gcc/testsuite/ChangeLog                            | 520 +++++++++++++++++++
 gcc/testsuite/g++.dg/cpp26/literals1.C             |   2 +-
 gcc/testsuite/g++.dg/cpp26/literals2.C             |   2 +-
 .../g++.dg/ext/builtin-structured-binding-size2.C  |   2 +-
 .../g++.dg/ext/builtin-structured-binding-size7.C  |  10 +
 gcc/testsuite/g++.dg/ipa/pr127917.C                |  45 ++
 gcc/testsuite/g++.dg/reflect/decomp1.C             |  17 +
 gcc/testsuite/g++.dg/reflect/dep17.C               |  50 ++
 gcc/testsuite/g++.dg/reflect/extract13.C           |  75 +++
 gcc/testsuite/g++.dg/reflect/extract14.C           |  22 +
 gcc/testsuite/g++.dg/reflect/extract2.C            |   2 +-
 gcc/testsuite/g++.dg/reflect/extract3.C            |  21 +-
 gcc/testsuite/g++.dg/reflect/member16.C            |   4 +-
 gcc/testsuite/g++.dg/reflect/member25.C            |  61 +++
 .../builtin-dynamic-object-size-pr127899-1.c       |  36 ++
 .../builtin-dynamic-object-size-pr127899-2.c       |  30 ++
 .../builtin-dynamic-object-size-pr127899-3.c       |  15 +
 gcc/testsuite/gcc.dg/field-merge-27.c              |  22 +
 gcc/testsuite/gcc.dg/field-merge-29.c              | 110 ++++
 gcc/testsuite/gcc.dg/field-merge-30.c              |  46 ++
 gcc/testsuite/gcc.dg/field-merge-31.c              |  41 ++
 gcc/testsuite/gcc.dg/lto/bitint-lto-1_0.c          |  22 +
 gcc/testsuite/gcc.dg/opt-ordered-and-nonequal-1.c  |   4 +-
 gcc/testsuite/gcc.dg/opt-ordered-and-nonequal-2.c  |  27 +
 gcc/testsuite/gcc.dg/pr127848-1.c                  |   8 +
 gcc/testsuite/gcc.dg/pr127848-2.c                  |  18 +
 gcc/testsuite/gcc.dg/pr127848-3.c                  |  18 +
 gcc/testsuite/gcc.dg/pr127848-4.c                  |  20 +
 gcc/testsuite/gcc.dg/pr127848-5.c                  |  20 +
 gcc/testsuite/gcc.dg/pr127965-1.c                  |  12 +
 gcc/testsuite/gcc.dg/pr127965-2.c                  |  12 +
 gcc/testsuite/gcc.dg/torture/bitint-111.c          |  29 ++
 gcc/testsuite/gcc.dg/torture/bitint-113.c          |  34 ++
 gcc/testsuite/gcc.dg/torture/bitint-114.c          |  35 ++
 gcc/testsuite/gcc.dg/torture/clz-table-zero-1.c    |  55 ++
 gcc/testsuite/gcc.dg/torture/cmp-of-cmp-fenv-1.c   |  31 ++
 gcc/testsuite/gcc.dg/torture/ctz-table-zero-1.c    |  42 ++
 gcc/testsuite/gcc.dg/torture/pr127357.c            |  62 +++
 gcc/testsuite/gcc.dg/torture/pr127764.c            |  20 +
 gcc/testsuite/gcc.dg/torture/pr127858.c            |  44 ++
 gcc/testsuite/gcc.dg/torture/pr127966.c            |  11 +
 gcc/testsuite/gcc.dg/torture/pr128008.c            |  20 +
 gcc/testsuite/gcc.dg/torture/pr128051.c            |  44 ++
 gcc/testsuite/gcc.dg/torture/pr128054.c            |  29 ++
 gcc/testsuite/gcc.dg/tree-ssa/predcom-10.c         |  42 ++
 gcc/testsuite/gcc.dg/tree-ssa/ssa-ifcombine-14.c   |  41 ++
 gcc/testsuite/gcc.dg/tree-ssa/ssa-ifcombine-15.c   |  25 +
 gcc/testsuite/gcc.dg/vect/bb-slp-pr128069.c        |  48 ++
 gcc/testsuite/gcc.dg/vect/vect-cond-reduc-7.c      |  45 ++
 gcc/testsuite/gcc.dg/vect/vect-iv-15.c             |  25 +
 gcc/testsuite/gcc.dg/vect/vect-pr127407.c          |  29 ++
 gcc/testsuite/gcc.dg/vect/vect-pr127475.c          |  40 ++
 gcc/testsuite/gcc.dg/vect/vect-pr127601.c          |  37 ++
 gcc/testsuite/gcc.dg/vect/vect-pr127814.c          |  33 ++
 gcc/testsuite/gcc.dg/vect/vect-pr127876-1.c        |  30 ++
 gcc/testsuite/gcc.dg/vect/vect-pr127876-2.c        |  30 ++
 gcc/testsuite/gcc.dg/vect/vect-pr127877.c          |  37 ++
 gcc/testsuite/gcc.dg/vect/vect-simd-21.c           |  14 +
 gcc/testsuite/gcc.dg/vect/vect-simd-22.c           |  14 +
 .../gcc.dg/vect/vect-simd-clone-allones-mask.c     |  43 ++
 .../gcc.target/aarch64/clz-ctz-table-zero.c        |  68 +++
 .../gcc.target/aarch64/volatile-fuse-minus-1.c     |  79 +++
 .../gcc.target/aarch64/volatile-fuse-minus-2.c     |  23 +
 .../gcc.target/arm/mve/general-c/nomve_fp_1.c      |   2 +-
 gcc/testsuite/gcc.target/bpf/memmove-3.c           |  17 +
 gcc/testsuite/gcc.target/bpf/memmove-4.c           |  18 +
 gcc/testsuite/gcc.target/i386/avx10_2-compare-1b.c |   2 +-
 .../gcc.target/i386/clz-ctz-table-nonzero.c        |  47 ++
 gcc/testsuite/gcc.target/i386/clz-ctz-table-zero.c |  74 +++
 gcc/testsuite/gcc.target/i386/opt-comi-1.c         |   2 +-
 gcc/testsuite/gcc.target/i386/pr127459-1a.c        |  20 +
 gcc/testsuite/gcc.target/i386/pr127459-1b.c        |  11 +
 gcc/testsuite/gcc.target/i386/pr127897-1.c         |  20 +
 gcc/testsuite/gcc.target/i386/pr127897-2.c         |  14 +
 gcc/testsuite/gcc.target/i386/pr127897-3.c         |  13 +
 gcc/testsuite/gcc.target/i386/pr127965-1.c         |  16 +
 gcc/testsuite/gcc.target/i386/pr127965-2.c         |  16 +
 gcc/testsuite/gcc.target/i386/pr128270-1.c         |  18 +
 gcc/testsuite/gcc.target/i386/pr128270-2.c         |  17 +
 gcc/testsuite/gcc.target/i386/pr128270-3.c         |  21 +
 gcc/testsuite/gcc.target/i386/pr128270-4.c         |  20 +
 gcc/testsuite/gcc.target/i386/pr128271-1.c         |  19 +
 gcc/testsuite/gcc.target/i386/pr128271-2.c         |  18 +
 gcc/testsuite/gcc.target/i386/pr128310.c           |  33 ++
 gcc/testsuite/gcc.target/i386/pr128388.c           |  22 +
 .../gcc.target/i386/vect-simd-clone-avx512-4.c     |  37 ++
 gcc/testsuite/gcc.target/i386/vectorize-hvml-1.c   | 378 ++++++++++++++
 gcc/testsuite/gcc.target/i386/vectorize-hvml-2.c   |  21 +
 gcc/testsuite/gcc.target/i386/vectorize-hvml-3.c   |  23 +
 .../gcc.target/i386/volatile-fuse-minus-1.c        |  79 +++
 .../gcc.target/i386/volatile-fuse-minus-2.c        |  23 +
 .../gcc.target/i386/volatile-fuse-order-1.c        |  25 +
 .../gcc.target/i386/volatile-fuse-order-2.c        |  32 ++
 .../gcc.target/i386/volatile-fuse-order-3.c        |  31 ++
 gcc/testsuite/gcc.target/s390/pr127692-1.c         |  17 +
 gcc/testsuite/gfortran.dg/bind_c_char_value.f90    |  57 +++
 gcc/testsuite/gfortran.dg/bind_c_char_value_aux.c  |   4 +
 gcc/testsuite/gfortran.dg/unsigned_45.f90          |  69 +++
 gcc/testsuite/gfortran.dg/unsigned_46.f90          |  56 ++
 gcc/testsuite/gm2.dg/spell/iso/fail/badmodule.mod  |  17 +
 gcc/testsuite/gm2.dg/spell/iso/fail/badrecord.mod  |  20 +
 gcc/testsuite/gm2.dg/spell/iso/fail/color.def      |   5 +
 .../gm2/examples/cppcallingm2/run/pass/README      |   1 +
 .../gm2/examples/cppcallingm2/run/pass/a.def       |   3 +
 .../gm2/examples/cppcallingm2/run/pass/a.mod       |   9 +
 .../gm2/examples/cppcallingm2/run/pass/b.def       |   3 +
 .../gm2/examples/cppcallingm2/run/pass/b.mod       |  11 +
 .../gm2/examples/cppcallingm2/run/pass/c.def       |   3 +
 .../gm2/examples/cppcallingm2/run/pass/c.mod       |  10 +
 .../gm2/examples/cppcallingm2/run/pass/test.cc     |  54 ++
 gcc/testsuite/gnat.dg/specs/generic_inst11.ads     |  13 +
 .../generic_inst11_pkg-g1-parser-g2-parser.ads     |   7 +
 .../specs/generic_inst11_pkg-g1-parser-g2.ads      |   3 +
 .../gnat.dg/specs/generic_inst11_pkg-g1-parser.ads |   5 +
 .../gnat.dg/specs/generic_inst11_pkg-g1.ads        |   3 +
 gcc/testsuite/gnat.dg/specs/generic_inst11_pkg.ads |   2 +
 gcc/testsuite/gnat.dg/specs/vect1.ads              |  14 +
 gcc/testsuite/gnat.dg/task7.adb                    |   9 +
 gcc/testsuite/gnat.dg/task7_pkg.ads                |  16 +
 gcc/testsuite/lib/target-supports.exp              |  55 +-
 gcc/tree-object-size.cc                            |  32 +-
 gcc/tree-outof-ssa.cc                              |   2 +-
 gcc/tree-outof-ssa.h                               |   1 +
 gcc/tree-ssa-forwprop.cc                           |   4 +-
 gcc/tree-ssa-ifcombine.cc                          |  22 +-
 gcc/tree-ssa-loop-im.cc                            |   5 +-
 gcc/tree-ssa-loop-manip.cc                         |  31 +-
 gcc/tree-ssa-loop-niter.cc                         |   9 +-
 gcc/tree-switch-conversion.cc                      |   2 +-
 gcc/tree-tailcall.cc                               |  40 +-
 gcc/tree-vect-data-refs.cc                         |   3 +
 gcc/tree-vect-loop-manip.cc                        |  95 ++--
 gcc/tree-vect-loop.cc                              |  66 ++-
 gcc/tree-vect-slp.cc                               |   9 +
 gcc/tree-vect-stmts.cc                             |  91 ++--
 gcc/tree.cc                                        |  14 +-
 libgcc/ChangeLog                                   |  12 +
 libgcc/config/microblaze/moddi3.S                  | 223 +++++---
 libgfortran/ChangeLog                              |  24 +
 libgfortran/io/io.h                                |   3 +
 libgfortran/io/unit.c                              | 211 +++++---
 libgfortran/io/unix.c                              |   6 +-
 libgomp/ChangeLog                                  |   8 +
 libgomp/testsuite/libgomp.fortran/unit-cache-1.f90 |  67 +++
 libstdc++-v3/ChangeLog                             | 182 +++++++
 .../abi/post/hppa-linux-gnu/baseline_symbols.txt   |  62 ++-
 libstdc++-v3/include/bits/fstream.tcc              |   8 +
 libstdc++-v3/include/bits/stl_bvector.h            |  24 +-
 libstdc++-v3/include/bits/stl_iterator.h           |   8 +-
 .../include/bits/stl_iterator_base_types.h         |   7 +
 .../include/ext/pb_ds/detail/debug_map_base.hpp    |  19 +-
 .../constructors_destructor_fn_imps.hpp            |   2 +
 .../pb_ds/detail/ov_tree_map_/erase_fn_imps.hpp    |  13 +-
 libstdc++-v3/include/parallel/search.h             |   2 +-
 libstdc++-v3/include/std/inplace_vector            | 119 +++--
 libstdc++-v3/include/std/mdspan                    |  96 +++-
 libstdc++-v3/include/std/memory                    |   2 +-
 libstdc++-v3/src/c++17/memory_resource.cc          |  10 +-
 libstdc++-v3/src/c++20/tzdata.zi                   |  21 +-
 libstdc++-v3/src/c++20/tzdb.cc                     |  19 +-
 .../20_util/unsynchronized_pool_resource/128264.cc |  82 +++
 .../inplace_vector/modifiers/capacity_check.cc     | 315 ++++++++++++
 .../mdspan/layouts/stride_debug_neg.cc             |  42 ++
 .../23_containers/mdspan/layouts/stride_neg.cc     |  63 ++-
 .../testsuite/23_containers/vector/bool/prX.cc     | 160 ++++++
 .../24_iterators/common_iterator/lwg3953.cc        |  30 ++
 .../24_iterators/counted_iterator/lwg3953.cc       |  30 ++
 .../basic_filebuf/overflow/char/118099-codecvt.cc  |  76 +++
 .../27_io/basic_filebuf/overflow/char/118099.cc    |  57 +++
 .../overflow/wchar_t/118099-codecvt.cc             |  76 +++
 .../27_io/basic_filebuf/overflow/wchar_t/118099.cc |  57 +++
 .../testsuite/ext/pb_ds/regression/127675.cc       |  53 ++
 .../ext/pb_ds/regression/hash_map_rand.cc          |   2 +-
 .../ext/pb_ds/regression/hash_set_rand.cc          |   2 +-
 .../ext/pb_ds/regression/list_update_map_rand.cc   |   2 +-
 .../ext/pb_ds/regression/list_update_set_rand.cc   |   2 +-
 .../ext/pb_ds/regression/priority_queue_rand.cc    |   2 +-
 .../ext/pb_ds/regression/tree_map_rand.cc          |   2 +-
 .../ext/pb_ds/regression/tree_set_rand.cc          |   2 +-
 .../ext/pb_ds/regression/trie_map_rand.cc          |   2 +-
 .../ext/pb_ds/regression/trie_set_rand.cc          |   2 +-
 .../testsuite/std/time/time_zone/127815.cc         |  40 ++
 libstdc++-v3/testsuite/std/time/tzdb/links.cc      |   2 +-
 libstdc++-v3/testsuite/util/testsuite_rng.h        |   7 +-
 249 files changed, 8158 insertions(+), 835 deletions(-)

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