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tcwg-buildslave pushed a change to branch linaro-local/ci/tcwg_kernel/gnu-master-aarch64-mainline-defconfig in repository toolchain/ci/gcc.
from 2241061463a [RS6000] power10 scan-assembler tests adds 279a9ce9d54 wide-int: Fix up set_bit_large adds f165ef89c08 lto: LTO cgraph support for late declare variant resolution [...] adds 3f39b64e57a xfail and improve some failing libgomp tests [PR81690] adds 2298ca2d3e1 openmp: Implicitly discover declare target for variants of [...] adds 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 new 4f0606fe4bb Daily bump.
The 1 revisions listed above as "new" are entirely new to this repository and will be described in separate emails. The revisions listed as "adds" were already present in the repository and have only been added to this reference.
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-omp.c | 169 ++ gcc/c-family/c-opts.c | 10 + gcc/c-family/c-pragma.h | 1 + gcc/c-family/c.opt | 11 +- gcc/c/ChangeLog | 25 + gcc/c/c-decl.c | 4 +- gcc/c/c-parser.c | 74 +- gcc/c/c-typeck.c | 72 +- 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 | 4 +- 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/rs6000/vsx.md | 2 +- 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 | 108 +- gcc/cp/pt.c | 201 +- gcc/cp/semantics.c | 93 + gcc/cp/typeck.c | 125 +- gcc/doc/extend.texi | 10 + gcc/doc/invoke.texi | 55 +- gcc/gimple-range-cache.cc | 12 +- gcc/gimplify.c | 25 +- 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-cgraph.c | 6 + gcc/lto-streamer-out.c | 5 +- gcc/lto-streamer.h | 6 + gcc/lto/ChangeLog | 8 + gcc/lto/lto-common.c | 1 - gcc/lto/lto-partition.c | 5 +- gcc/omp-general.c | 121 ++ gcc/omp-low.c | 2 + gcc/omp-offload.c | 23 +- gcc/optc-gen.awk | 3 + gcc/output.h | 3 +- gcc/params.opt | 2 +- gcc/passes.c | 3 +- gcc/symtab.c | 2 +- gcc/testsuite/ChangeLog | 315 +++ gcc/testsuite/c-c++-common/gomp/allocate-1.c | 76 + gcc/testsuite/c-c++-common/gomp/allocate-2.c | 45 + gcc/testsuite/c-c++-common/gomp/clauses-1.c | 138 +- 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/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/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.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/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-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-core.h | 3 + gcc/tree-nested.c | 22 + gcc/tree-pretty-print.c | 13 + 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 | 121 +- gcc/tree-vect-stmts.c | 32 +- gcc/tree-vectorizer.h | 3 +- gcc/tree.c | 3 + gcc/tree.h | 10 + gcc/value-range.cc | 30 +- gcc/varasm.c | 9 +- gcc/vec.h | 2 +- gcc/vr-values.c | 9 +- gcc/wide-int.cc | 7 +- gcc/wide-int.h | 10 +- gotools/ChangeLog | 6 + gotools/Makefile.am | 4 +- gotools/Makefile.in | 4 +- libgcc/ChangeLog | 11 + 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 + libgomp/testsuite/libgomp.c/declare-variant-1.c | 54 + libgomp/testsuite/libgomp.c/target-32.c | 9 +- libgomp/testsuite/libgomp.c/target-42.c | 42 + libgomp/testsuite/libgomp.c/thread-limit-2.c | 3 +- libgomp/testsuite/libgomp.c/usleep.h | 24 + 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 +- 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.../23_containers/map/modifiers/swap/1.cc | 18 +- .../23_containers/multimap/modifiers/swap/1.cc | 18 +- .../23_containers/multiset/modifiers/swap/1.cc | 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 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.../testsuite/27_io/basic_stringbuf/cons/char/2.cc | 121 ++ .../27_io/basic_stringbuf/cons/wchar_t/2.cc | 105 + .../basic_stringbuf/view/char/1.cc} | 27 +- .../basic_stringbuf/view/wchar_t/1.cc} | 27 +- .../27_io/basic_stringstream/cons/char/1.cc | 85 + .../27_io/basic_stringstream/cons/wchar_t/1.cc | 85 + .../basic_stringstream/view/char/1.cc} | 27 +- .../basic_stringstream/view/wchar_t/1.cc} | 27 +- .../27_io/filesystem/operations/remove_all.cc | 2 +- .../testsuite/experimental/any/assign/2.cc | 4 +- libstdc++-v3/testsuite/experimental/any/cons/2.cc | 4 +- .../filesystem/operations/remove_all.cc | 2 +- .../experimental/memory/observer_ptr/cons/cons.cc | 1 - .../memory_resource/null_memory_resource.cc | 2 +- .../testsuite/experimental/source_location/1.cc | 13 +- libstdc++-v3/testsuite/ext/pod_char_traits.cc | 5 +- .../testsuite/ext/vstring/modifiers/clear/56166.cc | 2 +- .../concepts.lang/concept.swappable/swap.cc | 4 +- .../concepts.lang/concept.swappable/swappable.cc | 4 +- 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