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tcwg-buildslave pushed a change to branch linaro-local/ci/tcwg_kernel/gnu-master-aarch64-mainline-allyesconfig in repository toolchain/ci/gcc.
from 3a8b20947f2 openmp: Parsing and some semantic analysis of OpenMP alloca [...] adds 31643fa3e99 [PR97504] riscv needs wraplf for aux_long_long_float too adds 44e570d9fb0 aarch64: Add bfloat16 vldN_lane_bf16 + vldNq_lane_bf16 intrisics adds 292c812a27c aarch64: Add vstN_lane_bf16 + vstNq_lane_bf16 intrinsics adds 0f7cd5e5735 libstdc++: Make std::span layout-compatible with struct iov [...] adds 72a87d82e0d libstdc++: Fix name clash with _Cosh in QNX headers [PR 95592] adds ac1724ccfdb dump reason for throwing away SLP instance adds 2acb33103c4 Change the way we split stores in BB vectorization adds 0bc199fc5d4 libstdc++: Override BUFSIZ for Windows targets [PR 94268] adds c227d96feb0 libstdc++: Add comment to nothrow new explaining catch (...) adds 616351b897c Fix iteration over loads in SLP optimize adds b626b00823a tree-optimization/97615 - avoid creating externals from patterns adds 69adcfce123 Fix gcc.dg/vect/bb-slp-5[89].c adds a4b9620d566 testsuite: Correct requirements for byte-in-* testcases. adds 6f62d8dd338 Ignore ignored operands in vect_get_and_check_slp_defs adds 176b8b9679d testsuite: Correct requirements for vadsdu*, vslv and vsrv [...] adds 7d5f38e49e5 c++: Refactor push_template_decl adds 9ccc3495766 c++: Check constraints before instantiation from mark_used [...] adds f4af2dde579 dump when SLP analysis fails due to shared vectype mismatch adds 8572edc828f libstdc++: Fix arithmetic bug in year_month_weekday convers [...] adds a3c13696fd2 VSX_EXTRACT fix adds 4289e488ddd c++: Make OMP UDR DECL_LOCAL_DECL_P earlier adds a0e4d7b44c5 libstdc++: Implement C++20 features for <sstream> adds a4223abb3de c: Allow omitted parameter names for C2x adds 54ef7701a9d value-range: Give up on POLY_INT_CST ranges [PR97457] adds 3dcd47389b1 AArch64: Skip test for pr97535 on ILP32 since it can't expr [...] adds dfbadb8ce9f syscall: don't build libcall_bsd.go on solaris adds 43cb72263fb c++: GCC accepts junk before fold-expression [PR86773] adds 323dd425520 c++: Member template function lookup failure [PR94799] adds 122f0db2793 testsuite: Adjust target requirements for sad-vectorize and [...] adds 976e7ef1a2d c++: Prevent warnings for value-dependent exprs [PR96742] adds 455ade18462 c++: Deprecate arithmetic convs on different enums [PR97573] adds 24fb1d9c585 c++: Improve the MVP -Wparentheses diagnostic. adds 23edcf6bee5 Re: testsuite: Enable and adjust powerpc fold-vec-extract/i [...] adds bbb36257448 [RS6000] float128-type-2.c unsupported adds 4166ebedf8b [RS6000] Don't be too clever with dg-do run and dg-do compile adds f4f9364d207 libstdc++: Fix linker script adds 0a36f5f21cd analyzer: fix more pointer-printing in logs adds e9751143e23 analyzer: move svalue and region decls to their own header files adds 1a9af271275 analyzer: fix false leak diagnostic on offsets from malloc [...] adds f635f0ce87d analyzer: more non-determinism fixes adds e93aae4a497 Daily bump. adds 0cdde1e7ae1 libgo: handle linking to NetBSD's versioned symbols adds c6bfc4eb3c9 libstdc++: Fix new basic_stringbuf constructor adds 0162d00d12b Call infer_non_null() directly when checking for non-null. adds 1e1e1edf88a More BB vectorization tweaks adds 632a2f50b8b Enable GCC to support Intel Key Locker ISA adds 68990ed13dc libstdc++: Rename _UniformRandomNumberGenerator parameters adds 53dede0f04b CSE conversions within sincos adds bafcf452c79 opts: Sanity check for param names. adds 291d920395d Fix conditional inclusion guard in gthr-vxworks-thread.c adds 9df44b94033 Fix the logic conditioning VX_ENTER/LEAVE_TLS_DTOR adds eb6b71b83c9 libstdc++: Fix some warnings in headers adds e4b3d2a4c25 Consistently pass the vector type for scalar SLP cost compute adds 64817472be2 libstdc++: Correct PR number in ChangeLog entry adds 568de14d2e7 LTO: get_section: add new argument adds 6e23549157d vect: Fix load costs for SLP permutes adds 2e0216f9c4d libstdc++: Fix memory issue in ranges::lexicographical_comp [...] adds 9703b8d98c1 c++: Stop (most) function-scope entities having a template header adds a3ffa866e35 Add testcase for PR97596 adds 8fe9869083d * gcc.dg/pr97596.c: Require int128 effective target. adds 054d7b9f6f6 Selectively trap if ranger and vr-values disagree on range [...] adds 3c9b99ef711 libstdc++: Make std::function work better with -fno-rtti adds d067bd72936 libstdc++: Do not use volatile for __gnu_cxx::rope referenc [...] adds 822c1d21a3c libstdc++: Allow Lemire's algorithm to be used in more cases adds 8c84486bba1 libstdc++: Improve tests for constexpr algorithms adds 40749db75ca stdbool.h: Update true and false expansions for C2x adds 815baade9a0 c++: Diagnose constexpr delete [] new int; and delete new i [...] adds 0da3e7668c4 Avoid typeless storage in wide-int adds 2ca6de338d4 Annotate vec::copy better for mem stats adds 5afd90c5f36 c++: Fix constexpr dtors vs invisible ref [PR97388] adds 8895443a42d c++: Fix constexpr cleanup error handling. adds 57ec9b687b0 Fix some memleaks adds 5681668765e c++: Tolerate empty initial args during normalization [PR97412] adds e1344fe7b6a c++: Simplify constraint normalization routines adds 79991e2348a c++: Reject float <=> enum. adds 6fb7e3c2918 c++: Deducing type from initializer_list<auto> [PR93107] adds 52215bb3ec6 Replace free with XDELETE. adds 11dc4c4e137 c++: Implement CWG 625: Use of auto as template-arg [PR97479] adds 13feb0234b1 libstdc++: Avoid warnings in tests adds 52ddf0d458f libstdc++: Prevent deprecation warnings from <tr1/shared_ptr> adds d7aa21a3c78 libstdc++: Fix some warnings in headers adds a55cda891d6 libstdc++: Avoid narrowing conversion in subrange constructor adds ffe6b410150 libstdc++: Fix linker script to remove conflicting patterns adds 4f0606fe4bb Daily bump. adds dec1eb4c276 libstdc++: AIX xfail for_overwrite.cc testcase adds 228156e8496 PowerPC: Adjust float128/ibm128 warnings. adds 973574465ca Adjust gcc.dg/vect/bb-slp-pr65935.c adds 5a6b1d8ef42 openmp: Handle non-static data members in allocate clause a [...] adds 71e713209ad openmp: Fix handling of allocate clause on taskloop adds 9a835ba4c00 Introduce support for vxworks7r2 on x86 and x86_64 adds 17e8da49bfe Predefine __ppc and __ppc__ for VxWorks 7 adds 7de23b8c536 aarch64: Fix PR96998 and restore code quality in combine adds c0bfd9672e1 tree-optimization/97633 - fix SLP scheduling of single-node cycles
No new revisions were added by this update.
Summary of changes: gcc/ChangeLog | 307 +++ gcc/DATESTAMP | 2 +- gcc/Makefile.in | 1 + gcc/ada/ChangeLog | 6 + gcc/ada/Makefile.rtl | 1 + gcc/analyzer/ChangeLog | 42 + gcc/analyzer/analyzer.h | 3 + gcc/analyzer/complexity.cc | 95 + gcc/analyzer/complexity.h | 51 + gcc/analyzer/program-state.cc | 33 +- gcc/analyzer/region-model-reachability.cc | 44 +- gcc/analyzer/region-model.h | 2135 +------------------- gcc/analyzer/region.cc | 20 +- gcc/analyzer/region.h | 1017 ++++++++++ gcc/analyzer/svalue.cc | 31 +- gcc/analyzer/svalue.h | 1150 +++++++++++ gcc/c-family/ChangeLog | 16 + gcc/c-family/c-opts.c | 10 + gcc/c-family/c.opt | 11 +- gcc/c/ChangeLog | 25 + gcc/c/c-decl.c | 4 +- gcc/c/c-typeck.c | 10 +- gcc/combine.c | 18 + gcc/common/config/i386/cpuinfo.h | 19 + gcc/common/config/i386/i386-common.c | 86 +- gcc/common/config/i386/i386-cpuinfo.h | 3 + gcc/common/config/i386/i386-isas.h | 3 + gcc/config.gcc | 6 +- gcc/config/aarch64/aarch64.c | 107 +- gcc/config/aarch64/arm_neon.h | 228 ++- gcc/config/i386/cpuid.h | 7 + gcc/config/i386/i386-builtin-types.def | 7 + gcc/config/i386/i386-builtin.def | 13 + gcc/config/i386/i386-c.c | 4 + gcc/config/i386/i386-expand.c | 220 ++ gcc/config/i386/i386-options.c | 12 +- gcc/config/i386/i386.h | 10 +- gcc/config/i386/i386.opt | 8 + gcc/config/i386/immintrin.h | 2 + gcc/config/i386/keylockerintrin.h | 129 ++ gcc/config/i386/predicates.md | 118 ++ gcc/config/i386/sse.md | 218 ++ gcc/config/i386/t-vxworks | 19 +- gcc/config/i386/vxworks.h | 96 +- gcc/config/rs6000/rs6000.c | 29 +- gcc/config/rs6000/vsx.md | 2 +- gcc/config/rs6000/vxworks.h | 6 + gcc/cp/ChangeLog | 159 ++ gcc/cp/call.c | 35 +- gcc/cp/constexpr.c | 87 +- gcc/cp/constraint.cc | 72 +- gcc/cp/cp-tree.h | 8 +- gcc/cp/decl.c | 15 +- gcc/cp/decl2.c | 20 +- gcc/cp/parser.c | 49 +- gcc/cp/pt.c | 201 +- gcc/cp/semantics.c | 33 +- gcc/cp/typeck.c | 125 +- gcc/doc/extend.texi | 10 + gcc/doc/invoke.texi | 55 +- gcc/gimple-range-cache.cc | 12 +- gcc/gimplify.c | 55 +- gcc/ginclude/stdbool.h | 5 + gcc/go/gofrontend/MERGE | 2 +- gcc/ipa-cp.c | 20 +- gcc/ipa-fnsummary.c | 6 +- gcc/langhooks.c | 2 +- gcc/lto/ChangeLog | 8 + gcc/optc-gen.awk | 3 + gcc/output.h | 3 +- gcc/params.opt | 2 +- gcc/testsuite/ChangeLog | 315 +++ gcc/testsuite/c-c++-common/gomp/allocate-1.c | 8 + gcc/testsuite/c-c++-common/gomp/allocate-3.c | 38 + gcc/testsuite/g++.dg/DRs/dr625.C | 15 + gcc/testsuite/g++.dg/cpp0x/auto3.C | 2 +- gcc/testsuite/g++.dg/cpp0x/auto9.C | 2 +- gcc/testsuite/g++.dg/cpp0x/initlist-deduce3.C | 22 + gcc/testsuite/g++.dg/cpp0x/linkage2.C | 2 +- gcc/testsuite/g++.dg/cpp1z/fold12.C | 13 + gcc/testsuite/g++.dg/cpp2a/concepts-fn7.C | 11 + gcc/testsuite/g++.dg/cpp2a/concepts-pr84979-2.C | 12 +- gcc/testsuite/g++.dg/cpp2a/concepts-pr84979-3.C | 12 +- gcc/testsuite/g++.dg/cpp2a/concepts-pr84979.C | 2 +- gcc/testsuite/g++.dg/cpp2a/concepts-variadic2.C | 12 + gcc/testsuite/g++.dg/cpp2a/constexpr-dtor5.C | 35 + gcc/testsuite/g++.dg/cpp2a/constexpr-dtor6.C | 36 + gcc/testsuite/g++.dg/cpp2a/constexpr-dtor7.C | 19 + gcc/testsuite/g++.dg/cpp2a/constexpr-dtor8.C | 19 + gcc/testsuite/g++.dg/cpp2a/constexpr-new15.C | 21 + gcc/testsuite/g++.dg/cpp2a/enum-conv1.C | 117 ++ gcc/testsuite/g++.dg/cpp2a/enum-conv2.C | 115 ++ gcc/testsuite/g++.dg/cpp2a/enum-conv3.C | 115 ++ gcc/testsuite/g++.dg/cpp2a/spaceship-err5.C | 23 + gcc/testsuite/g++.dg/gomp/allocate-1.C | 88 + gcc/testsuite/g++.dg/other/i386-2.C | 2 +- gcc/testsuite/g++.dg/other/i386-3.C | 2 +- gcc/testsuite/g++.dg/parse/attr3.C | 2 +- gcc/testsuite/g++.dg/pr97609.C | 46 + gcc/testsuite/g++.dg/template/lookup16.C | 23 + gcc/testsuite/g++.dg/vect/slp-pr97636.cc | 83 + gcc/testsuite/g++.dg/warn/Wdiv-by-zero-3.C | 6 +- gcc/testsuite/g++.dg/warn/Wtautological-compare3.C | 11 + gcc/testsuite/g++.dg/warn/Wtype-limits5.C | 11 + gcc/testsuite/g++.dg/warn/mvp3.C | 30 + gcc/testsuite/g++.old-deja/g++.pt/crash10.C | 1 - gcc/testsuite/gcc.c-torture/compile/pr96998.c | 15 + gcc/testsuite/gcc.dg/analyzer/malloc-1.c | 8 + gcc/testsuite/gcc.dg/analyzer/pr97608.c | 17 + gcc/testsuite/gcc.dg/c11-bool-1.c | 50 + gcc/testsuite/gcc.dg/c11-parm-omit-1.c | 5 + gcc/testsuite/gcc.dg/c11-parm-omit-2.c | 5 + gcc/testsuite/gcc.dg/c11-parm-omit-3.c | 5 + gcc/testsuite/gcc.dg/c11-parm-omit-4.c | 6 + gcc/testsuite/gcc.dg/c2x-bool-1.c | 50 + gcc/testsuite/gcc.dg/c2x-parm-omit-1.c | 5 + gcc/testsuite/gcc.dg/c2x-parm-omit-2.c | 10 + gcc/testsuite/gcc.dg/c2x-parm-omit-3.c | 23 + gcc/testsuite/gcc.dg/c2x-parm-omit-4.c | 5 + gcc/testsuite/gcc.dg/c99-bool-4.c | 46 + gcc/testsuite/gcc.dg/noncompile/pr79758.c | 2 +- gcc/testsuite/gcc.dg/pr97596.c | 12 + gcc/testsuite/gcc.dg/sin_cos.c | 41 + gcc/testsuite/gcc.dg/vect/bb-slp-58.c | 1 + gcc/testsuite/gcc.dg/vect/bb-slp-59.c | 1 + gcc/testsuite/gcc.dg/vect/bb-slp-68.c | 22 + gcc/testsuite/gcc.dg/vect/bb-slp-pr65935.c | 5 +- gcc/testsuite/gcc.dg/vect/bb-slp-pr97615.c | 23 + gcc/testsuite/gcc.dg/vect/bb-slp-pr97633.c | 27 + gcc/testsuite/gcc.dg/vect/pr97457.c | 15 + .../aarch64/advsimd-intrinsics/arm-neon-ref.h | 4 +- .../aarch64/advsimd-intrinsics/bf16_vldN_lane_1.c | 74 + .../aarch64/advsimd-intrinsics/bf16_vldN_lane_2.c | 52 + .../aarch64/advsimd-intrinsics/bf16_vstN_lane_1.c | 227 +++ .../aarch64/advsimd-intrinsics/bf16_vstN_lane_2.c | 52 + .../advsimd-intrinsics/vld2_lane_bf16_indices_1.c | 17 + .../advsimd-intrinsics/vld2q_lane_bf16_indices_1.c | 17 + .../advsimd-intrinsics/vld3_lane_bf16_indices_1.c | 17 + .../advsimd-intrinsics/vld3q_lane_bf16_indices_1.c | 17 + .../advsimd-intrinsics/vld4_lane_bf16_indices_1.c | 17 + .../advsimd-intrinsics/vld4q_lane_bf16_indices_1.c | 17 + .../advsimd-intrinsics/vst2_lane_bf16_indices_1.c | 16 + .../advsimd-intrinsics/vst2q_lane_bf16_indices_1.c | 16 + .../advsimd-intrinsics/vst3_lane_bf16_indices_1.c | 16 + .../advsimd-intrinsics/vst3q_lane_bf16_indices_1.c | 16 + .../advsimd-intrinsics/vst4_lane_bf16_indices_1.c | 16 + .../advsimd-intrinsics/vst4q_lane_bf16_indices_1.c | 16 + gcc/testsuite/gcc.target/aarch64/pr97535.c | 2 +- gcc/testsuite/gcc.target/i386/funcspec-56.inc | 4 + .../gcc.target/i386/keylocker-aesdec128kl.c | 17 + .../gcc.target/i386/keylocker-aesdec256kl.c | 17 + .../gcc.target/i386/keylocker-aesdecwide128kl.c | 32 + .../gcc.target/i386/keylocker-aesdecwide256kl.c | 32 + .../gcc.target/i386/keylocker-aesenc128kl.c | 17 + .../gcc.target/i386/keylocker-aesencwide128kl.c | 32 + .../gcc.target/i386/keylocker-aesencwide256kl.c | 33 + .../gcc.target/i386/keylocker-encodekey128.c | 29 + .../gcc.target/i386/keylocker-encodekey256.c | 30 + .../gcc.target/i386/keylocker-loadiwkey.c | 19 + gcc/testsuite/gcc.target/i386/sse-12.c | 2 +- gcc/testsuite/gcc.target/i386/sse-13.c | 2 +- gcc/testsuite/gcc.target/i386/sse-14.c | 2 +- gcc/testsuite/gcc.target/i386/sse-22.c | 4 +- gcc/testsuite/gcc.target/i386/sse-23.c | 2 +- gcc/testsuite/gcc.target/powerpc/altivec-consts.c | 4 +- .../gcc.target/powerpc/byte-in-either-range-0.c | 3 +- .../gcc.target/powerpc/byte-in-either-range-1.c | 3 +- gcc/testsuite/gcc.target/powerpc/byte-in-range-0.c | 3 +- gcc/testsuite/gcc.target/powerpc/byte-in-range-1.c | 3 +- gcc/testsuite/gcc.target/powerpc/byte-in-set-0.c | 3 +- gcc/testsuite/gcc.target/powerpc/byte-in-set-1.c | 3 +- gcc/testsuite/gcc.target/powerpc/byte-in-set-2.c | 5 +- gcc/testsuite/gcc.target/powerpc/float128-mix-2.c | 16 + gcc/testsuite/gcc.target/powerpc/float128-mix-3.c | 16 + gcc/testsuite/gcc.target/powerpc/float128-mix.c | 20 +- gcc/testsuite/gcc.target/powerpc/float128-type-1.c | 2 +- gcc/testsuite/gcc.target/powerpc/float128-type-2.c | 2 +- .../gcc.target/powerpc/fold-vec-extract-char.p9.c | 1 - .../gcc.target/powerpc/fold-vec-extract-int.p9.c | 1 - .../powerpc/fold-vec-extract-longlong.p7.c | 1 - .../powerpc/fold-vec-extract-longlong.p8.c | 1 - .../gcc.target/powerpc/fold-vec-insert-int-p9.c | 2 - .../gcc.target/powerpc/le-altivec-consts.c | 4 +- gcc/testsuite/gcc.target/powerpc/sad-vectorize-1.c | 1 - gcc/testsuite/gcc.target/powerpc/sad-vectorize-2.c | 1 - gcc/testsuite/gcc.target/powerpc/sad-vectorize-3.c | 4 +- gcc/testsuite/gcc.target/powerpc/sad-vectorize-4.c | 4 +- gcc/testsuite/gcc.target/powerpc/signbit-1.c | 4 +- gcc/testsuite/gcc.target/powerpc/signbit-2.c | 4 +- gcc/testsuite/gcc.target/powerpc/signbit-3.c | 2 +- gcc/testsuite/gcc.target/powerpc/vadsdu-0.c | 3 +- gcc/testsuite/gcc.target/powerpc/vadsdu-1.c | 3 +- gcc/testsuite/gcc.target/powerpc/vadsdu-2.c | 3 +- gcc/testsuite/gcc.target/powerpc/vadsdu-3.c | 3 +- gcc/testsuite/gcc.target/powerpc/vadsdu-4.c | 3 +- gcc/testsuite/gcc.target/powerpc/vadsdu-5.c | 3 +- gcc/testsuite/gcc.target/powerpc/vadsdub-1.c | 3 +- gcc/testsuite/gcc.target/powerpc/vadsdub-2.c | 3 +- gcc/testsuite/gcc.target/powerpc/vadsduh-1.c | 3 +- gcc/testsuite/gcc.target/powerpc/vadsduh-2.c | 3 +- gcc/testsuite/gcc.target/powerpc/vadsduw-1.c | 3 +- gcc/testsuite/gcc.target/powerpc/vadsduw-2.c | 3 +- gcc/testsuite/gcc.target/powerpc/vslv-0.c | 3 +- gcc/testsuite/gcc.target/powerpc/vslv-1.c | 3 +- gcc/testsuite/gcc.target/powerpc/vsrv-0.c | 3 +- gcc/testsuite/gcc.target/powerpc/vsrv-1.c | 3 +- .../powerpc/vsx-load-element-extend-char.c | 5 +- .../powerpc/vsx-load-element-extend-int.c | 5 +- .../powerpc/vsx-load-element-extend-longlong.c | 5 +- .../powerpc/vsx-load-element-extend-short.c | 5 +- .../powerpc/vsx-store-element-truncate-char.c | 5 +- .../powerpc/vsx-store-element-truncate-int.c | 5 +- .../powerpc/vsx-store-element-truncate-longlong.c | 5 +- .../powerpc/vsx-store-element-truncate-short.c | 5 +- gcc/testsuite/gnat.dg/sin_cos.adb | 14 + gcc/testsuite/gnat.dg/sin_cos.ads | 4 + gcc/tree-ssa-math-opts.c | 107 +- gcc/tree-ssa-pre.c | 5 +- gcc/tree-vect-data-refs.c | 8 +- gcc/tree-vect-loop.c | 2 +- gcc/tree-vect-slp.c | 283 ++- gcc/tree-vect-stmts.c | 32 +- gcc/tree-vectorizer.h | 3 +- gcc/value-range.cc | 30 +- gcc/varasm.c | 9 +- gcc/vec.h | 2 +- gcc/vr-values.c | 9 +- gcc/wide-int.h | 10 +- gotools/ChangeLog | 6 + gotools/Makefile.am | 4 +- gotools/Makefile.in | 4 +- libgcc/ChangeLog | 11 + libgcc/config.host | 2 +- libgcc/config/gthr-vxworks-thread.c | 2 +- libgcc/config/gthr-vxworks-tls.c | 2 +- libgo/Makefile.am | 60 +- libgo/Makefile.in | 58 +- libgo/config.h.in | 3 + libgo/configure | 2 +- libgo/configure.ac | 2 +- libgo/go/os/dir_regfile.go | 2 +- libgo/go/os/user/decls_unix.go | 10 +- libgo/go/runtime/netpoll_kqueue.go | 4 +- libgo/go/runtime/os_gccgo.go | 4 +- libgo/go/runtime/os_netbsd.go | 8 +- libgo/go/runtime/signal_gccgo.go | 22 +- libgo/go/runtime/stubs2.go | 2 +- libgo/go/syscall/libcall_bsd.go | 2 +- libgo/go/syscall/mksyscall.awk | 4 +- libgo/mklinknames.awk | 46 + libgo/sysinfo.c | 4 + libgomp/ChangeLog | 19 + libstdc++-v3/ChangeLog | 369 ++++ libstdc++-v3/acinclude.m4 | 2 +- libstdc++-v3/config/abi/pre/gnu.ver | 60 +- libstdc++-v3/config/os/mingw32-w64/os_defines.h | 3 + libstdc++-v3/config/os/mingw32/os_defines.h | 3 + libstdc++-v3/configure | 16 +- libstdc++-v3/include/bits/fstream.tcc | 2 +- libstdc++-v3/include/bits/hashtable_policy.h | 4 +- libstdc++-v3/include/bits/parse_numbers.h | 2 +- libstdc++-v3/include/bits/ranges_util.h | 2 +- libstdc++-v3/include/bits/regex.h | 2 +- libstdc++-v3/include/bits/regex_compiler.tcc | 14 +- libstdc++-v3/include/bits/shared_ptr_base.h | 2 +- libstdc++-v3/include/bits/std_function.h | 67 +- libstdc++-v3/include/bits/stl_tree.h | 1 + libstdc++-v3/include/bits/uniform_int_dist.h | 104 +- libstdc++-v3/include/bits/valarray_after.h | 74 +- libstdc++-v3/include/debug/safe_iterator.h | 2 +- libstdc++-v3/include/experimental/buffer | 2 +- libstdc++-v3/include/experimental/internet | 6 +- libstdc++-v3/include/ext/debug_allocator.h | 4 +- libstdc++-v3/include/ext/rope | 4 +- libstdc++-v3/include/ext/stdio_filebuf.h | 4 +- libstdc++-v3/include/ext/throw_allocator.h | 10 + libstdc++-v3/include/std/chrono | 3 +- libstdc++-v3/include/std/fstream | 5 + libstdc++-v3/include/std/span | 12 +- libstdc++-v3/include/std/sstream | 196 ++ libstdc++-v3/include/std/variant | 6 +- libstdc++-v3/include/tr1/shared_ptr.h | 18 +- libstdc++-v3/libsupc++/new_opnt.cc | 10 +- libstdc++-v3/src/Makefile.am | 12 +- libstdc++-v3/src/Makefile.in | 14 +- libstdc++-v3/src/c++20/Makefile.am | 105 + libstdc++-v3/src/c++20/Makefile.in | 735 +++++++ libstdc++-v3/src/c++20/sstream-inst.cc | 108 + libstdc++-v3/testsuite/18_support/96817.cc | 2 +- libstdc++-v3/testsuite/20_util/align/1.cc | 4 +- libstdc++-v3/testsuite/20_util/any/assign/2.cc | 4 +- libstdc++-v3/testsuite/20_util/any/cons/2.cc | 4 +- libstdc++-v3/testsuite/20_util/function/1.cc | 2 +- libstdc++-v3/testsuite/20_util/function/65760.cc | 5 +- .../testsuite/20_util/function/cons/move_target.cc | 2 +- .../testsuite/20_util/function/target_no_rtti.cc | 56 + .../testsuite/20_util/headers/memory/synopsis.cc | 6 +- .../20_util/monotonic_buffer_resource/allocate.cc | 2 +- .../uninitialized_copy/808590-cxx11.cc | 2 + .../testsuite/20_util/tuple/cons/deduction.cc | 2 - .../20_util/unique_ptr/creation/for_overwrite.cc | 1 + .../testsuite/21_strings/basic_string/56166.cc | 2 +- .../basic_string/numeric_conversions/char/stod.cc | 14 +- .../basic_string/numeric_conversions/char/stof.cc | 14 +- .../basic_string/numeric_conversions/char/stoi.cc | 22 +- .../basic_string/numeric_conversions/char/stol.cc | 18 +- .../basic_string/numeric_conversions/char/stold.cc | 12 +- .../basic_string/numeric_conversions/char/stoll.cc | 18 +- .../basic_string/numeric_conversions/char/stoul.cc | 18 +- .../numeric_conversions/char/stoull.cc | 20 +- .../numeric_conversions/wchar_t/stod.cc | 14 +- .../numeric_conversions/wchar_t/stof.cc | 14 +- .../numeric_conversions/wchar_t/stoi.cc | 22 +- .../numeric_conversions/wchar_t/stol.cc | 18 +- .../numeric_conversions/wchar_t/stold.cc | 12 +- .../numeric_conversions/wchar_t/stoll.cc | 18 +- .../numeric_conversions/wchar_t/stoul.cc | 18 +- 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18 +- .../23_containers/set/modifiers/swap/1.cc | 18 +- .../span/layout_compat.cc} | 41 +- .../23_containers/unordered_set/56267-2.cc | 2 + .../testsuite/23_containers/vector/bool/23632.cc | 3 +- .../23_containers/vector/modifiers/swap/1.cc | 18 +- .../testsuite/25_algorithms/all_of/constexpr.cc | 13 +- .../testsuite/25_algorithms/any_of/constexpr.cc | 5 +- .../25_algorithms/binary_search/constexpr.cc | 5 +- .../25_algorithms/copy_backward/constexpr.cc | 2 +- .../testsuite/25_algorithms/count/constexpr.cc | 4 +- .../testsuite/25_algorithms/equal/constexpr.cc | 7 +- .../25_algorithms/equal_range/constexpr.cc | 3 +- .../testsuite/25_algorithms/fill/constexpr.cc | 2 +- .../testsuite/25_algorithms/find_end/constexpr.cc | 4 +- .../testsuite/25_algorithms/find_if/constexpr.cc | 4 +- .../testsuite/25_algorithms/heap/moveable2.cc | 8 +- .../25_algorithms/is_partitioned/constexpr.cc | 2 +- .../25_algorithms/is_permutation/constexpr.cc | 4 +- .../25_algorithms/is_sorted_until/constexpr.cc | 5 +- .../lexicographical_compare/constexpr.cc | 2 +- .../lexicographical_compare/constrained.cc | 2 +- .../25_algorithms/lower_bound/constexpr.cc | 2 +- .../testsuite/25_algorithms/merge/constexpr.cc | 4 +- .../testsuite/25_algorithms/mismatch/constexpr.cc | 3 +- .../testsuite/25_algorithms/none_of/constexpr.cc | 2 +- .../25_algorithms/partition_copy/constexpr.cc | 3 +- .../25_algorithms/remove_copy/constexpr.cc | 4 +- .../25_algorithms/remove_copy_if/constexpr.cc | 2 +- .../testsuite/25_algorithms/remove_if/constexpr.cc | 2 +- .../25_algorithms/replace_if/constexpr.cc | 4 +- .../testsuite/25_algorithms/reverse/constexpr.cc | 2 - .../25_algorithms/reverse_copy/constexpr.cc | 2 +- .../25_algorithms/rotate_copy/constexpr.cc | 2 +- libstdc++-v3/testsuite/25_algorithms/sample/1.cc | 1 + .../testsuite/25_algorithms/search/constexpr.cc | 4 +- .../testsuite/25_algorithms/search/searcher.cc | 2 +- .../25_algorithms/set_difference/constexpr.cc | 9 +- .../25_algorithms/set_intersection/constexpr.cc | 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