+2025-09-18 David Malcolm <dmalcolm@redhat.com>
+
+ * diagnostics/client-data-hooks.h (client_data_hooks::dump): New.
+ * diagnostics/context.cc (context::dump): Dump
+ m_client_data_hooks.
+ (client_data_hooks::dump): New.
+ * diagnostics/logical-locations.h
+ (logical_locations::manager::dump): New.
+ * diagnostics/selftest-logical-locations.cc: Include
+ "diagnostics/dumping.h".
+ (test_manager::dump): New.
+ * diagnostics/selftest-logical-locations.h (test_manager::dump):
+ New decl.
+ * libgdiagnostics.cc: Include "diagnostics/dumping.h".
+ (impl_logical_location_manager::dump): New.
+ * tree-logical-location.cc: Include "diagnostics/dumping.h".
+ (tree_logical_location_manager::dump): New.
+ * tree-logical-location.h (tree_logical_location_manager::dump):
+ New decl.
+
+2025-09-18 David Malcolm <dmalcolm@redhat.com>
+
+ * diagnostics/paths-output.cc: Update for conversion of
+ location_aspect to enum class.
+ * diagnostics/source-printing.cc: Likewise.
+ * input.cc: Likewise.
+ * input.h: Likewise.
+
+2025-09-18 David Malcolm <dmalcolm@redhat.com>
+
+ * diagnostics/buffering.cc: Drop include of "diagnostic.h".
+ * diagnostics/buffering.h: Likewise.
+ * diagnostics/context.h (diagnostics::metadata): Add forward decl.
+ * diagnostics/html-sink.cc: Drop include of "diagnostic.h".
+ * diagnostics/lazy-paths.cc: Likewise.
+ * diagnostics/macro-unwinding.cc: Likewise.
+ * diagnostics/macro-unwinding.h (diagnostics:diagnostic_info): Add
+ forward decl.
+ * diagnostics/option-classifier.h: Include
+ "diagnostics/option-id.h" and "diagnostics/kinds.h".
+ (diagnostics:diagnostic_info): Add forward decl.
+ * diagnostics/output-spec.cc: Drop include of "diagnostic.h".
+ * diagnostics/paths-output.cc: Likewise.
+ * diagnostics/paths.cc: Likewise.
+ * diagnostics/sarif-sink.cc: Likewise.
+ * diagnostics/selftest-context.cc: Likewise.
+ * diagnostics/selftest-paths.cc: Likewise.
+ * diagnostics/source-printing-options.h: Include
+ "rich-location.h".
+ * diagnostics/text-sink.cc: Drop include of "diagnostic.h".
+
+2025-09-18 Qing Zhao <qing.zhao@oracle.com>
+
+ PR tree-optimization/121894
+ * tree-sra.cc (scan_function): Set grp_assignment_write to 1 when
+ specially handle call to .DEFERRED_INIT.
+
+2025-09-18 Zhongyao Chen <chenzhongyao.hit@gmail.com>
+
+ PR target/121910
+ * config/riscv/riscv-vector-costs.cc (compute_estimated_lmul):
+ Return RVV_M8 when estimated lmul is too large.
+
+2025-09-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/121977
+ * omp-low.cc (lower_omp_regimplify_operands_p): If maybe_lookup_decl
+ returns NULL, use maybe_lookup_decl_in_outer_ctx as fallback.
+
+2025-09-18 Karl Meakin <karl.meakin@arm.com>
+
+ * config/aarch64/aarch64-sme.md (@aarch64_sme_write_zt<SVE_FULL:mode>): New insn.
+ (aarch64_sme_lut_zt): Likewise.
+ * config/aarch64/aarch64-sve-builtins-shapes.cc (parse_type): New type format "%T".
+ (struct luti_lane_zt_base): New function shape.
+ (SHAPE): Likewise.
+ (struct write_zt_def): Likewise.
+ (struct write_lane_zt_def): Likewise.
+ * config/aarch64/aarch64-sve-builtins-shapes.h: New function shape.
+ * config/aarch64/aarch64-sve-builtins-sme.cc (class svluti_zt_impl): New function expander.
+ (class svwrite_zt_impl): Likewise.
+ (class svwrite_lane_zt_impl): Likewise.
+ (FUNCTION): Likewise
+ * config/aarch64/aarch64-sve-builtins-sme.def (svwrite_zt): New function shape.
+ (svwrite_lane_zt): Likewise.
+ (svluti4_zt): Likewise.
+ * config/aarch64/aarch64-sve-builtins-sme.h: New function base.
+ * config/aarch64/aarch64-sve-builtins.h: Mention the arrays of function_group_info by name.
+
+2025-09-18 Karl Meakin <karl.meakin@arm.com>
+
+ * config/aarch64/aarch64-c.cc (aarch64_update_cpp_builtins): Conditonally define
+ `__ARM_FEATURE_SME_LUTv2" macro.
+ * config/aarch64/aarch64-option-extensions.def (AARCH64_OPT_EXTENSION("sme-lutv2")): New
+ optional architecture extension.
+ * config/aarch64/aarch64.h (TARGET_SME_LUTv2): New macro.
+ * doc/invoke.texi: Document `+sme-lutv2` flag.
+
+2025-09-18 Pan Li <pan2.li@intel.com>
+
+ * match.pd: Add pattern for SAT_MUL form 5.
+ * tree-ssa-math-opts.cc (math_opts_dom_walker::after_dom_children):
+ Try match pattern for IOR.
+
+2025-09-18 Jan Hubicka <hubicka@ucw.cz>
+
+ * ipa-cp.cc (update_counts_for_self_gen_clones): Do not update
+ call frequency for local profiles.
+
+2025-09-18 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/87615
+ * tree-ssa-sccvn.cc (vn_nary_op_insert_into): When inserting
+ a new predicate or location into an existing predicate list
+ make sure to not exceed 8 locations. Avoid copying things
+ when we later eventually throw them away.
+ (vn_nary_op_insert_pieces_predicated): Avoid expensive check
+ when not checking.
+ (dominated_by_p_w_unex): Apply the limit on a single successors
+ predecessor count consistently.
+
+2025-09-18 Tobias Burnus <tburnus@baylibre.com>
+ Sandra Loosemore <sloosemore@baylibre.com>
+
+ PR middle-end/121922
+ * omp-general.cc (omp_dynamic_cond): Use 'unshare_expr' for
+ the user condition.
+
+2025-09-18 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/121720
+ * tree-ssa-pre.cc (bitmap_set_subtract_expressions): Add
+ flag to tell whether we should copy instead of prune the
+ value set.
+ (compute_antic_aux): Remove intersection of ANTIC_IN with
+ the old solution. When subtracting TMP_GEN from
+ ANTIC_OUT do not prune the value set when MAX was involved
+ in the ANTIC_OUT computation.
+
+2025-09-18 hongtao.liu <hongtao.liu@intel.com>
+
+ * config/i386/x86-tune.def (X86_TUNE_AVX512_MOVE_BY_PIECES):
+ Remove SPR/GNR/DMR.
+ (X86_TUNE_AVX512_STORE_BY_PIECES): Ditto.
+
2025-09-17 David Malcolm <dmalcolm@redhat.com>
* sarif-replay.cc (set_defaults): Initialize
+2025-09-18 Jason Merrill <jason@redhat.com>
+
+ * constexpr.cc (cxx_eval_component_reference): Clarify diagnostic.
+
+2025-09-18 Jason Merrill <jason@redhat.com>
+
+ * init.cc (build_new_1): Clobber classes.
+
+2025-09-18 Jason Merrill <jason@redhat.com>
+
+ * constexpr.cc (get_or_insert_ctor_field): -2 means don't insert.
+ (cxx_eval_component_reference): Handle finding void_node.
+ (cxx_eval_store_expression): Don't represent initial clobber
+ unless we need to activate a union member.
+ (cxx_eval_statement_list): Don't ask for a void prvalue.
+ (cxx_eval_loop_expr): The expr is discarded-value.
+ (cxx_eval_constant_expression): A loose clobber is non-constant.
+ Handle getting void_node instead of a real result.
+ (potential_constant_expression_1): A local temp is
+ potentially-constant.
+ * init.cc (build_new_1): Don't clobber empty types or
+ in a template.
+ (build_vec_init): Fix clobber handling.
+
+2025-09-18 Jason Merrill <jason@redhat.com>
+
+ * init.cc (build_new_1): Append alloc_node to checking COND_EXPR.
+
2025-09-17 David Malcolm <dmalcolm@redhat.com>
PR c++/121966
+2025-09-18 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/114815
+ * decl.cc (gfc_get_pdt_instance): Copy the contents of 'tb' and
+ not the pointer.
+ * primary.cc (gfc_match_rvalue): If there is only one actual
+ argument list, use if for the type spec parameter values. If
+ this fails try the default type specification values and use
+ the actual arguments for the component values.
+ * resolve.cc (build_init_assign): Don't initialize implicit PDT
+ function results.
+
2025-09-17 Thomas Koenig <tkoenig@gcc.gnu.org>
* frontend-passes.cc (optimize_namespace): Handle
+2025-09-18 Joseph Myers <josmyers@redhat.com>
+
+ * gcc.dg/c2y-anon-init-1.c, gcc.dg/c2y-incomplete-2.c:
+ gcc.dg/c2y-linkage-1.c, gcc.dg/c2y-linkage-2.c,
+ gcc.dg/c2y-linkage-3.c, gcc.dg/c2y-linkage-4.c,
+ gcc.dg/c2y-static-assert-1.c: New tests.
+ * gcc.dg/c2y-linkage-1.c: New file.
+ * gcc.dg/c2y-linkage-2.c: New file.
+ * gcc.dg/c2y-linkage-3.c: New file.
+ * gcc.dg/c2y-linkage-4.c: New file.
+ * gcc.dg/c2y-static-assert-1.c: New file.
+
+2025-09-18 Jason Merrill <jason@redhat.com>
+
+ * g++.dg/cpp2a/constexpr-98122.C: Adjust diagnostic.
+ * g++.dg/cpp26/constexpr-new6a.C: New test.
+
+2025-09-18 Jason Merrill <jason@redhat.com>
+
+ * g++.dg/analyzer/pr97116.C: Adjust diagnostic.
+ * g++.dg/warn/Warray-bounds-20.C: Likewise.
+
+2025-09-18 Jason Merrill <jason@redhat.com>
+
+ * g++.dg/init/pr25811.C: Tweak diagnostic.
+ * g++.dg/warn/Warray-bounds-12.C: Likewise.
+ * g++.dg/warn/Warray-bounds-13.C: Likewise.
+ * g++.dg/cpp26/constexpr-new6.C: New test.
+
+2025-09-18 Jason Merrill <jason@redhat.com>
+
+ * g++.dg/warn/Wmismatched-new-delete-2.C: Remove xfail.
+
+2025-09-18 Qing Zhao <qing.zhao@oracle.com>
+
+ PR tree-optimization/121894
+ * g++.dg/opt/auto-init-sra-pr121894.C: New test.
+
+2025-09-18 Paul Thomas <pault@gcc.gnu.org>
+
+ PR fortran/114815
+ * gfortran.dg/pdt_3.f03: Add missing deallocation of 'matrix'.
+ * gfortran.dg/pdt_17.f03: Change dg-error text.
+ * gfortran.dg/pdt_47.f03: New test.
+
+2025-09-18 Zhongyao Chen <chenzhongyao.hit@gmail.com>
+
+ PR target/121910
+ * gcc.target/riscv/rvv/autovec/pr121910.c: New file.
+
+2025-09-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/121977
+ * g++.dg/gomp/pr121977.C: New test.
+
+2025-09-18 Karl Meakin <karl.meakin@arm.com>
+
+ * gcc.target/aarch64/sme2/acle-asm/svluti4_zt_1.c: New test.
+ * gcc.target/aarch64/sme2/acle-asm/svwrite_lane_zt_1.c: New test.
+ * gcc.target/aarch64/sme2/acle-asm/svwrite_zt_1.c: New test.
+ * gcc.target/aarch64/sve/acle/general-c/svluti4_zt_1.c: New test.
+ * gcc.target/aarch64/sve/acle/general-c/svwrite_lane_zt_1.c: New test.
+ * gcc.target/aarch64/sve/acle/general-c/svwrite_zt_1.c: New test.
+
+2025-09-18 Pan Li <pan2.li@intel.com>
+
+ * gcc.target/riscv/sat/sat_arith.h: Add test helper macros.
+ * gcc.target/riscv/sat/sat_u_mul-6-u16-from-u128.c: New test.
+ * gcc.target/riscv/sat/sat_u_mul-6-u32-from-u128.c: New test.
+ * gcc.target/riscv/sat/sat_u_mul-6-u64-from-u128.c: New test.
+ * gcc.target/riscv/sat/sat_u_mul-6-u8-from-u128.c: New test.
+ * gcc.target/riscv/sat/sat_u_mul-run-6-u16-from-u128.c: New test.
+ * gcc.target/riscv/sat/sat_u_mul-run-6-u32-from-u128.c: New test.
+ * gcc.target/riscv/sat/sat_u_mul-run-6-u64-from-u128.c: New test.
+ * gcc.target/riscv/sat/sat_u_mul-run-6-u8-from-u128.c: New test.
+
+2025-09-18 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/121720
+ * gcc.dg/tree-ssa/ssa-pre-36.c: New testcase.
+
+2025-09-18 hongtao.liu <hongtao.liu@intel.com>
+
+ * gcc.target/i386/pieces-memcpy-18.c: Use -mtune=znver5
+ instead of -mtune=sapphirerapids.
+ * gcc.target/i386/pieces-memcpy-21.c: Ditto.
+ * gcc.target/i386/pieces-memset-46.c: Ditto.
+ * gcc.target/i386/pieces-memset-49.c: Ditto.
+
2025-09-17 David Malcolm <dmalcolm@redhat.com>
* g++.dg/analyzer/unique_ptr-1.C: Rename to...
+2025-09-18 David Malcolm <dmalcolm@redhat.com>
+
+ * include/line-map.h (enum location_aspect): Convert to...
+ (enum class location_aspect): ...this.
+ * line-map.cc: Update for conversion of location_aspect to enum
+ class.
+
2025-09-01 Jakub Jelinek <jakub@redhat.com>
* macro.cc: Implement C2Y N3457 - The __COUNTER__ predefined macro.
+2025-09-18 Tobias Burnus <tburnus@baylibre.com>
+ Sandra Loosemore <sloosemore@baylibre.com>
+
+ PR middle-end/121922
+ * testsuite/libgomp.c-c++-common/declare-variant-1.c: New test.
+
2025-09-17 Tobias Burnus <tburnus@baylibre.com>
PR libgomp/119857
+2025-09-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/106658
+ * include/bits/version.def: Implement C++23 P2590R2 - Explicit
+ lifetime management.
+ (start_lifetime_as): New.
+ * include/bits/version.h: Regenerate.
+ * include/std/memory (std::start_lifetime_as,
+ std::start_lifetime_as_array): New function templates.
+ * src/c++23/std.cc.in (std::start_lifetime_as,
+ std::start_lifetime_as_array): Export.
+ * testsuite/std/memory/start_lifetime_as/start_lifetime_as.cc: New test.
+
2025-09-17 Patrick Palka <ppalka@redhat.com>
PR libstdc++/111861