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GCC Administrator
2026-01-15 00:16:30 +00:00
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12
ChangeLog
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2026-01-14 Vineet Gupta <vineet.gupta@linux.dev>
* MAINTAINERS: Update to my linux.dev email.
2026-01-14 Jason Merrill <jason@redhat.com>
* MAINTAINERS: Update Paolo Carlini email address.
2026-01-14 Daniel Barboza <daniel.barboza@oss.qualcomm.com>
* MAINTAINERS: Add myself to write after approval.
2026-01-10 Jakub Jelinek <jakub@redhat.com>
PR ada/123490

102
gcc/ChangeLog
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2026-01-14 Peter Bergner <bergner@tenstorrent.com>
PR target/123092
* config/riscv/constraints.md (ZD): Disable when xmipscbop is disabled.
2026-01-14 Martin Jambor <mjambor@suse.cz>
PR ipa/123542
* ipa-cp.cc (ipa_value_from_jfunc): Always use
ipacp_value_safe_for_type. Bail out if parm_type is NULL.
2026-01-14 Wilco Dijkstra <wilco.dijkstra@arm.com>
PR target/121240
* config/aarch64/aarch64.md (mov<mode>): Expand FP immediates early.
* config/aarch64/aarch64.cc (aarch64_select_rtx_section): Force
immediates <= 8 bytes to constdata.
(aarch64_rtx_costs): Increase cost of CONST_DOUBLE loaded from memory.
2026-01-14 Wilco Dijkstra <wilco.dijkstra@arm.com>
PR target/114528
* config/aarch64/aarch64.cc (aarch64_check_mov_add_imm12):
New function to check and emit MOV+ADD/SUB immediates.
(aarch64_internal_mov_immediate): Add support for MOV+ADD/SUB
immediates.
2026-01-14 Tejas Belagod <tejas.belagod@arm.com>
PR middle-end/123392
* cfgexpand.cc (expand_debug_expr): Handle variable-length initializer
for CONSTRUCTOR.
2026-01-14 Jakub Jelinek <jakub@redhat.com>
PR middle-end/123115
* defaults.h (EH_RETURN_DATA_REGNO): Add void (N) to the macro
definition inside of a comma expression before INVALID_REGNUM.
2026-01-14 Jakub Jelinek <jakub@redhat.com>
PR target/120250
* combine.cc (recog_for_combine): Don't try to put SET_SRC
into a constant pool if SET_DEST is pc_rtx.
2026-01-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/123190
* tree-vectorizer.h (vect_load_store_data): Add n_loads member.
* tree-vect-stmts.cc (get_load_store_type): Record the
number of required loads for permuted loads.
(vectorizable_load): Make use of this when costing loads
for VMAT_CONTIGUOUS[_REVERSE].
2026-01-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/123190
* tree-vect-loop.cc (vect_analyze_loop_costing): Allow
vectorizing loops with a single scalar iteration iff the
vectorization factor is 1.
2026-01-14 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/123544
* simplify-rtx.cc (simplify_context::simplify_binary_operation_1)
<case AND>: Don't canonicalize (subreg (lshiftrt (x cnt)) low) into
(lshiftrt (subreg x low) cnt) if the SUBREG is paradoxical.
2026-01-14 Prathamesh Kulkarni <prathameshk@nvidia.com>
* auto-profile.cc: (string_table::filenames): New method.
(function_instance::timestamp_): New member.
(function_instance::timestamp): New accessor for timestamp_ member.
(function_instance::set_timestamp): New function.
(function_instance::prop_timestamp): Likewise.
(function_instance::prop_timestamp_1): Likewise.
(function_instance::function_instance): Initialize timestamp_ to 0.
(function_instance::read_function_instance): Adjust prototype by
replacing head_count with toplevel param with default value true, and
stream in head_count and timestamp values from gcov file.
(autofdo::timestamp_info_map): New std::map.
(autofdo_source_profile::get_function_instance_by_decl): New argument
filename with default value NULL.
(autofdo_source_profile::read): Populate timestamp_info_map and
propagate timestamp to inlined instances from toplevel function.
(afdo_annotate_cfg): Assign node->tp_first_run based on
timestamp_info_map and bail out of annotation if
param_auto_profile_reorder_only is enabled.
* params.opt: New param auto-profile-reorder-only.
2026-01-14 Lili Cui <lili.cui@intel.com>
* config/i386/x86-tune.def (X86_TUNE_ALIGN_TIGHT_LOOPS):
disable tight loop alignment for m_CORE_ATOM.
2026-01-14 Daniel Barboza <daniel.barboza@oss.qualcomm.com>
* match.pd: remove 'fold_overflow_warning' references.
* tree.h (TYPE_OVERFLOW_UNDEFINED): remove note telling
that we must use warn_strict_overflow for every optimization
based on TYPE_OVERFLOW_UNDEFINED.
2026-01-13 Andrew Pinski <andrew.pinski@oss.qualcomm.com>
* match.pd (`(T1)(a bit_op (T2)b)`): Remove redundant

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20260114
20260115

20
gcc/c/ChangeLog
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2026-01-14 Qing Zhao <qing.zhao@oracle.com>
* c-decl.cc (grokfield): Call verify_counted_by_for_top_anonymous_type
for named field.
(verify_counted_by_attribute): Change the prototype to a recursive
routine.
(verify_counted_by_for_top_anonymous_type): New routine.
(finish_struct): Set C_TYPE_FIELDS_HAS_COUNTED_BY and call the routine
verify_counted_by_attribute only for named structure.
* c-parser.cc (c_parser_declaration_or_fndef): Call
verify_counted_by_for_top_anonymous_type for the decl.
(c_parser_parameter_declaration): Call
verify_counted_by_for_top_anonymous_type for the parameter.
(c_parser_type_name): Call verify_counted_by_for_top_anonymous_type
for the type.
* c-tree.h (C_TYPE_FIELDS_HAS_COUNTED_BY): New flag.
(verify_counted_by_for_top_anonymous_type): New routine.
* c-typeck.cc (build_counted_by_ref): Locate the root named structure,
build a chain of component_ref starting from the root structure.
2026-01-13 Martin Uecker <uecker@tugraz.at>
PR c/123309

62
gcc/cp/ChangeLog
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2026-01-14 David Malcolm <dmalcolm@redhat.com>
* call.cc (get_fndecl_argument_location): Use DECL_SOURCE_LOCATION
for "this".
* cp-tree.h (class candidate_context): New.
(print_candidates): Add optional candidate_context param.
* decl2.cc: Include "gcc-rich-location.h" and
"tree-pretty-print-markup.h".
(struct fndecl_signature): New.
(class parm_rich_location): New.
(class fndecl_comparison): New.
(class decl_mismatch_context): New.
(check_classfn): For the "no declaration matches" case, pass an
instance of a custom candidate_context subclass to
print_candidates, using fndecl_comparison to report on close
matches.
* pt.cc (print_candidates): Add optional candidate_context param.
Use it if provided to potentially emit per-candidate notes.
2026-01-14 David Malcolm <dmalcolm@redhat.com>
* call.cc (print_z_candidates): Move inform_n call into a new
inform_num_candidates function.
* class.cc (check_methods): Pass location to call to
print_candidates.
(resolve_address_of_overloaded_function): Likewise.
* cp-tree.h (print_candidates): Add location_t param.
(inform_num_candidates): New decl.
* decl.cc (make_typename_type): Pass location to call to
print_candidates.
(reshape_init_class): Likewise.
(lookup_and_check_tag): Likewise.
* decl2.cc (check_classfn): Likewise.
* error.cc (qualified_name_lookup_error): Likewise.
* init.cc (build_new_1): Likewise.
* name-lookup.cc (lookup_using_decl): Likewise.
(set_decl_namespace): Likewise.
(push_namespace): Likewise.
* parser.cc (cp_parser_nested_name_specifier_opt): Likewise.
(cp_parser_lookup_name): Likewise.
* pt.cc (print_candidates_1): Drop, converting the looping part
into...
(flatten_candidates): ...this new function.
(inform_num_candidates): New function.
(print_candidates): Use flatten_candidates to build an auto_vec
of candidates, and use this to print them here, rather than in
print_candidates_1. Eliminate the dynamic allocation of spaces
for a prefix in favor of printing "candidate %i" when there is
more than one candidate. Add "error_loc" param and pass it to
inform_num_candidates to show a heading, and add nesting levels
for it and for the candidate notes.
(determine_specialization): Pass location to calls to
print_candidates.
* search.cc (lookup_member): Likewise.
* semantics.cc (finish_id_expression_1): Likewise.
2026-01-14 Jakub Jelinek <jakub@redhat.com>
PR c++/123551
* constexpr.cc (potential_constant_expression_1) <case GOTO_EXPR>:
Only test DECL_ARTIFICIAL on LABEL_DECLs.
2026-01-13 Nathaniel Shead <nathanieloshead@gmail.com>
* coroutines.cc (create_coroutine_info_table): New function.

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gcc/testsuite/ChangeLog
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2026-01-14 Qing Zhao <qing.zhao@oracle.com>
* gcc.dg/counted-by-anonymous-2-char.c: New test.
* gcc.dg/counted-by-anonymous-2-float.c: New test.
* gcc.dg/counted-by-anonymous-2-struct.c: New test.
* gcc.dg/counted-by-anonymous-2-union.c: New test.
* gcc.dg/counted-by-anonymous-2.c: New test.
* gcc.dg/counted-by-anonymous-3.c: New test.
* gcc.dg/counted-by-anonymous.c: New test.
* gcc.dg/ubsan/counted-by-anonymous-bounds-1.c: New test.
* gcc.dg/ubsan/counted-by-anonymous-bounds-2.c: New test.
* gcc.dg/ubsan/counted-by-anonymous-bounds.c: New test.
2026-01-14 Martin Jambor <mjambor@suse.cz>
PR ipa/123542
* gcc.dg/ipa/pr123542.c: New test.
2026-01-14 Joseph Myers <josmyers@redhat.com>
* lib/gcc-dg.exp (gdb-exists): Do not use [transform gdb]. Run
selected GDB with -v on target rather than testing for existence
on build system.
* lib/gcc-simulate-thread.exp (simulate-thread): Do not return
early for non-native and remote. Download executable and GDB
command file to target before running GDB there, and delete when
closing target.
2026-01-14 Joseph Myers <josmyers@redhat.com>
* lib/gcc-gdb-test.exp (gdb-test): Do not return early for
non-native and remote. Download executable and GDB command file
to target before running GDB there, and delete when closing
target.
(report_gdb): Use target when testing GDB availability and
version.
* g++.dg/guality/guality.exp: Only use in-tree GDB when host =
target. Do not use [transform gdb].
* gcc.dg/guality/guality.exp: Likewise.
* gfortran.dg/guality/guality.exp: Likewise.
2026-01-14 David Malcolm <dmalcolm@redhat.com>
* g++.dg/diagnostic/bad-fndef-1.C: Add directives to expect
"void *" vs "const void *" notes about parameter 3 of the close
candidate.
* g++.dg/diagnostic/bad-fndef-2.C: New test.
* g++.dg/diagnostic/bad-fndef-3.C: New test.
* g++.dg/diagnostic/bad-fndef-4.C: New test.
* g++.dg/diagnostic/bad-fndef-5.C: New test.
* g++.dg/diagnostic/bad-fndef-6.C: New test.
* g++.dg/diagnostic/bad-fndef-7.C: New test.
* g++.dg/diagnostic/bad-fndef-7b.C: New test.
* g++.dg/diagnostic/bad-fndef-8.C: New test.
* g++.dg/diagnostic/bad-fndef-9.C: New test.
2026-01-14 David Malcolm <dmalcolm@redhat.com>
* g++.dg/cpp0x/inline-ns2.C: Make dg-message directives non-empty.
* g++.dg/cpp23/explicit-obj-lambda11.C: Prune the extra note.
* g++.dg/diagnostic/bad-fndef-1.C: New test.
* g++.dg/lookup/decl1.C: Give the dg-message directives different
messages.
* g++.dg/lookup/using17.C: Update expected output.
* g++.dg/parse/non-dependent2.C: Likewise.
* g++.old-deja/g++.other/lineno2.C: Give the dg-message directives
different messages.
* g++.old-deja/g++.pt/t37.C: Likewise.
2026-01-14 Jakub Jelinek <jakub@redhat.com>
PR c++/123551
* g++.dg/ext/goto2.C: New test.
2026-01-14 Wilco Dijkstra <wilco.dijkstra@arm.com>
PR target/121240
* gcc.target/aarch64/dbl_mov_immediate_1.c: Adjust test.
* gcc.target/aarch64/pr63304_1.c: Likewise.
2026-01-14 Wilco Dijkstra <wilco.dijkstra@arm.com>
PR target/114528
* gcc.target/aarch64/pr114528.c: New test.
2026-01-14 Tejas Belagod <tejas.belagod@arm.com>
PR middle-end/123392
* gcc.target/aarch64/sve/acle/general/pr123392.c: New.
2026-01-14 Jakub Jelinek <jakub@redhat.com>
PR target/120250
* gcc.c-torture/compile/pr120250.c: New test.
2026-01-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/123190
* gcc.dg/vect/costmodel/x86_64/costmodel-pr123190-1.c: Do not
require -mtune=generic.
* gcc.dg/vect/costmodel/x86_64/costmodel-pr123190-2.c: Add
variant with -O2 instead of -O3, inner loop not unrolled.
2026-01-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/123190
* gcc.dg/vect/costmodel/x86_64/costmodel-pr123190-1.c: New testcase.
* gcc.dg/vect/slp-28.c: Avoid epilogue vectorization for
simplicity.
2026-01-14 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/123544
* gcc.dg/pr123544.c: New test.
2026-01-14 Nathan Sidwell <nathan@acm.org>
* lib/scanasm.exp (check_function_body): Clarify mismatch labelling.
2026-01-14 Daniel Barboza <daniel.barboza@oss.qualcomm.com>
* gcc.dg/Wstrict-overflow-1.c: Removed because we no longer
issue a 'fold_overflow_warning' with the
`(le (minus (@0 INTEGER_CST@1)) INTEGER_CST@2)` pattern.
2026-01-13 Nathaniel Shead <nathanieloshead@gmail.com>
* g++.dg/modules/coro-1_a.C: New test.

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libgomp/ChangeLog
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2026-01-14 Thomas Schwinge <tschwinge@baylibre.com>
* testsuite/libgomp.c++/target-std__unordered_map-concurrent-usm.C:
New.
* testsuite/libgomp.c++/target-std__unordered_multimap-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__unordered_multiset-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__unordered_set-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__unordered_map-concurrent.C:
Adjust.
* testsuite/libgomp.c++/target-std__unordered_multimap-concurrent.C:
Likewise.
* testsuite/libgomp.c++/target-std__unordered_multiset-concurrent.C:
Likewise.
* testsuite/libgomp.c++/target-std__unordered_set-concurrent.C:
Likewise.
2026-01-14 Thomas Schwinge <tschwinge@baylibre.com>
* testsuite/libgomp.c++/target-std__flat_map-concurrent-usm.C:
New.
* testsuite/libgomp.c++/target-std__flat_multimap-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__flat_multiset-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__flat_set-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__flat_map-concurrent.C: Adjust.
* testsuite/libgomp.c++/target-std__flat_multimap-concurrent.C:
Likewise.
* testsuite/libgomp.c++/target-std__flat_multiset-concurrent.C:
Likewise.
* testsuite/libgomp.c++/target-std__flat_set-concurrent.C:
Likewise.
2026-01-14 Thomas Schwinge <tschwinge@baylibre.com>
* testsuite/libgomp.c++/target-std__array-concurrent-usm.C:
'#define OMP_USM'.
* testsuite/libgomp.c++/target-std__forward_list-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__list-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__span-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__map-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__multimap-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__multiset-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__set-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__valarray-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__vector-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__bitset-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__deque-concurrent-usm.C:
Likewise.
* testsuite/libgomp.c++/target-std__array-concurrent.C: Comment.
* testsuite/libgomp.c++/target-std__bitset-concurrent.C: Likewise.
* testsuite/libgomp.c++/target-std__deque-concurrent.C: Likewise.
* testsuite/libgomp.c++/target-std__forward_list-concurrent.C:
Likewise.
* testsuite/libgomp.c++/target-std__list-concurrent.C: Likewise.
* testsuite/libgomp.c++/target-std__span-concurrent.C: Likewise.
* testsuite/libgomp.c++/target-std__valarray-concurrent.C:
Likewise.
* testsuite/libgomp.c++/target-std__vector-concurrent.C: Likewise.
* testsuite/libgomp.c++/target-std__map-concurrent.C [OMP_USM]:
Fix up dynamic memory allocation.
* testsuite/libgomp.c++/target-std__multimap-concurrent.C
[OMP_USM]: Likewise.
* testsuite/libgomp.c++/target-std__multiset-concurrent.C
[OMP_USM]: Likewise.
* testsuite/libgomp.c++/target-std__set-concurrent.C [OMP_USM]:
Likewise.
2026-01-14 Thomas Schwinge <tschwinge@baylibre.com>
* testsuite/libgomp.c-c++-common/map-arrayofstruct-2-usm.c: New.
* testsuite/libgomp.c-c++-common/map-arrayofstruct-3-usm.c:
Likewise.
* testsuite/libgomp.c-c++-common/struct-elem-5-usm.c: Likewise.
* testsuite/libgomp.c-c++-common/target-present-1-usm.c: Likewise.
* testsuite/libgomp.c-c++-common/target-present-2-usm.c: Likewise.
* testsuite/libgomp.c-c++-common/target-present-3-usm.c: Likewise.
* testsuite/libgomp.fortran/map-subarray-5-usm.f90: Likewise.
* testsuite/libgomp.fortran/map-subarray-6-usm.f90: Likewise.
* testsuite/libgomp.fortran/map-subarray-7-usm.f90: Likewise.
* testsuite/libgomp.fortran/target-allocatable-1-1-usm.f90:
Likewise.
* testsuite/libgomp.fortran/target-allocatable-1-2-usm.f90:
Likewise.
* testsuite/libgomp.fortran/target-enter-data-2-usm.F90: Likewise.
* testsuite/libgomp.fortran/target-present-1-usm.f90: Likewise.
* testsuite/libgomp.fortran/target-present-2-usm.f90: Likewise.
* testsuite/libgomp.fortran/target-present-3-usm.f90: Likewise.
* testsuite/libgomp.fortran/target-allocatable-1-1.f90: Adjust.
* testsuite/libgomp.fortran/target-allocatable-1-2.f90: Likewise.
* testsuite/libgomp.fortran/target-present-1.f90: Likewise.
* testsuite/libgomp.fortran/target-present-2.f90: Likewise.
* testsuite/libgomp.fortran/target-present-3.f90: Likewise.
2026-01-13 Thomas Schwinge <tschwinge@baylibre.com>
* testsuite/libgomp.fortran/map-alloc-comp-9-usm.f90: Require

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libstdc++-v3/ChangeLog
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2026-01-14 Tomasz Kamiński <tkaminsk@redhat.com>
* testsuite/util/testsuite_iterators.h: Modify comment.
2026-01-13 Tomasz Kamiński <tkaminsk@redhat.com>
* include/bits/stl_heap.h (std::__is_heap_until, std::__push_heap)