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GCC Administrator 2021-09-02 00:16:59 +00:00
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4
ChangeLog
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2021-09-01 YunQiang Su <syq@debian.org>
* MAINTAINERS: Add myself for write after approval.
2021-08-31 Andrew Burgess <andrew.burgess@embecosm.com>
* Makefile.def: Add all-gdb dependency on all-libbacktrace.

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gcc/ChangeLog
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2021-09-01 Jeff Law <jlaw@localhost.localdomain>
PR tree-optimization/102152
* tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Reduce a vector
comparison to a scalar comparison before calling
update_stmt_if_modified.
2021-09-01 Andrew Pinski <apinski@marvell.com>
PR target/101934
* config/aarch64/aarch64.c (aarch64_expand_setmem):
Check STRICT_ALIGNMENT before creating an overlapping
store.
2021-09-01 Martin Sebor <msebor@redhat.com>
* gimple-ssa-warn-access.cc (get_size_range): Add argument.
(check_access): Pass additional argument.
(check_memop_access): Remove template and make a member function.
(maybe_check_dealloc_call): Make a pass_waccess member function.
(class pass_waccess): Add, rename, and remove members.
(pass_waccess::pass_waccess): Adjust to name change.
(pass_waccess::~pass_waccess): Same.
(check_alloca): Make a member function.
(check_alloc_size_call): Same.
(check_strcat): Same.
(check_strncat): Same.
(check_stxcpy): Same.
(check_stxncpy): Same.
(check_strncmp): Same.
(maybe_warn_rdwr_sizes): Rename...
(pass_waccess::maybe_check_access_sizes): ...to this.
(pass_waccess::check_call): Adjust to name changes.
(pass_waccess::maybe_check_dealloc_call): Make a pass_waccess member
function.
(pass_waccess::execute): Adjust to name changes.
* gimple-ssa-warn-access.h (check_memop_access): Remove.
* pointer-query.cc (access_ref::phi): Handle null pointer.
(access_ref::inform_access): Same.
(pointer_query::put_ref): Modify a cached value, not a copy of it.
(pointer_query::dump): New function.
(compute_objsize_r): Avoid overwriting access_ref::bndrng. Cache
more results.
* pointer-query.h (pointer_query::dump): Declare.
* tree-ssa-strlen.c (get_range): Simplify. Use function query.
(dump_strlen_info): Use function query.
(printf_strlen_execute): Factor code out into pointer_query::put_ref.
2021-09-01 Thomas Schwinge <thomas@codesourcery.com>
* tree.c (walk_tree_1) <OMP_CLAUSE>: Simplify.
2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
* doc/extend.texi: Document unavailable attribute.
* print-tree.c (print_node): Handle unavailable attribute.
* tree-core.h (struct tree_base): Add a bit to carry unavailability.
* tree.c (error_unavailable_use): New.
* tree.h (TREE_UNAVAILABLE): New.
(error_unavailable_use): New.
2021-09-01 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/102124
* tree-vect-patterns.c (vect_recog_widen_op_pattern): For ORIG_CODE
MINUS_EXPR, if itype is unsigned with smaller precision than type,
add an extra cast to signed variant of itype to ensure sign-extension.
2021-09-01 Martin Liska <mliska@suse.cz>
* graph.c (draw_cfg_node_succ_edges): Do not color fallthru
edges and rather use colors for TRUE and FALSE edges.
2021-09-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/93491
* tree-ssa-pre.c (compute_avail): Set BB_MAY_NOTRETURN
after processing the stmt itself. Do not consider
pure functions possibly not returning. Properly avoid
adding possibly trapping calls to EXP_GEN when there's
a preceeding possibly not returning call.
* tree-ssa-sccvn.c (vn_reference_may_trap): Conservatively
not handle calls.
2021-09-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/102139
* tree-vectorizer.h (vec_base_alignments): Adjust hash-map
type to record a std::pair of the stmt-info and the innermost
loop behavior.
(dr_vec_info::group): New member.
* tree-vect-data-refs.c (vect_record_base_alignment): Adjust.
(vect_compute_data_ref_alignment): Verify the recorded
base alignment can be used.
(data_ref_pair): Remove.
(dr_group_sort_cmp): Adjust.
(vect_analyze_data_ref_accesses): Store the group-ID in the
dr_vec_info and operate on a vector of dr_vec_infos.
2021-09-01 YunQiang Su <yunqiang.su@cipunited.com>
* read-md.c (md_reader::handle_enum): support value assignation.
* doc/md.texi: record define_c_enum value assignation support.
2021-09-01 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/102141
* gimple-ssa-store-merging.c (bswap_view_convert): Add BEFORE
argument. If false, emit stmts after gsi instead of before, and
with GSI_NEW_STMT.
(bswap_replace): Adjust callers. When converting output of bswap,
emit VIEW_CONVERT prepratation stmts after a copy of gsi instead
of before it.
2021-09-01 liuhongt <hongtao.liu@intel.com>
* emit-rtl.c (validate_subreg): Get rid of all float-int
special cases.
2021-09-01 liuhongt <hongtao.liu@intel.com>
Revert:
2021-08-30 liuhongt <hongtao.liu@intel.com>
* expmed.c (extract_bit_field_1): Make sure we're playing with
integral modes before call extract_integral_bit_field.
(extract_integral_bit_field): Add a parameter of type
scalar_int_mode which corresponds to of tmode.
And call extract_and_convert_fixed_bit_field instead of
extract_fixed_bit_field and convert_extracted_bit_field.
(extract_and_convert_fixed_bit_field): New function, it's a
combination of extract_fixed_bit_field and
convert_extracted_bit_field.
2021-08-31 Thomas Schwinge <thomas@codesourcery.com>
* tree.c (walk_tree_1) <OMP_CLAUSE_TILE>: Handle three operands.

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gcc/DATESTAMP
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20210901
20210902

4
gcc/c-family/ChangeLog
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2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
* c-attribs.c (handle_unavailable_attribute): New.
2021-08-30 Jason Merrill <jason@redhat.com>
* c.opt: Add -Wmissing-requires.

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gcc/c/ChangeLog
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2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
* c-decl.c (enum deprecated_states): Add unavailable state.
(merge_decls): Copy unavailability.
(quals_from_declspecs): Handle unavailable case.
(start_decl): Amend the logic handling suppression of nested
deprecation states to include unavailability.
(smallest_type_quals_location): Amend comment.
(grokdeclarator): Handle the unavailable deprecation state.
(declspecs_add_type): Set TREE_UNAVAILABLE from the decl specs.
* c-tree.h (struct c_declspecs): Add unavailable_p.
* c-typeck.c (build_component_ref): Handle unavailability.
(build_external_ref): Likewise.
2021-09-01 Roger Sayle <roger@nextmovesoftware.com>
Joseph Myers <joseph@codesourcery.com>
PR c/79412
* c-decl.c (duplicate_decls): On significant mismatches, mark the
types of both (non-function) decls as error_mark_node, so that the
middle-end can see the code is malformed.
(free_attr_access_data): Don't process if the type has been set to
error_mark_node.
2021-08-31 Marcel Vollweiler <marcel@codesourcery.com>
* c-parser.c (c_parser_omp_clause_device): Parse device-modifiers 'device_num'

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gcc/cp/ChangeLog
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2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
* call.c (build_over_call): Handle unavailable state in addition to
deprecation.
* class.c (type_build_ctor_call): Likewise.
(type_build_dtor_call): Likewise.
* cp-tree.h: Rename cp_warn_deprecated_use to
cp_handle_deprecated_or_unavailable.
* decl.c (duplicate_decls): Merge unavailability.
(grokdeclarator): Handle unavailability in addition to deprecation.
(type_is_unavailable): New.
(grokparms): Handle unavailability in addition to deprecation.
* decl.h (enum deprecated_states): Add
UNAVAILABLE_DEPRECATED_SUPPRESS.
* decl2.c (cplus_decl_attributes): Propagate unavailability to
templates.
(cp_warn_deprecated_use): Rename to ...
(cp_handle_deprecated_or_unavailable): ... this and amend to handle
the unavailable case. It remains a warning in the case of deprecation
but becomes an error in the case of unavailability.
(cp_warn_deprecated_use_scopes): Handle unavailability.
(mark_used): Likewise.
* parser.c (cp_parser_template_name): Likewise.
(cp_parser_template_argument): Likewise.
(cp_parser_parameter_declaration_list): Likewise.
* typeck.c (build_class_member_access_expr): Likewise.
(finish_class_member_access_expr): Likewise.
* typeck2.c (build_functional_cast_1): Likewise.
2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
* coroutines.cc (build_actor_fn): Add begin/finish clauses
to the initial test in the actor function.
2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
* coroutines.cc (await_statement_walker): Use build_stmt and
add_stmt instead of build1 and finish_expr_stmt.
2021-08-31 Jason Merrill <jason@redhat.com>
* coroutines.cc (flatten_await_stmt): Fix copyo.

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gcc/fortran/ChangeLog
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2021-09-01 Harald Anlauf <anlauf@gmx.de>
PR fortran/56985
* resolve.c (resolve_common_vars): Fix grammar and improve wording
of error message rejecting an unlimited polymorphic in COMMON.
2021-08-31 Harald Anlauf <anlauf@gmx.de>
PR fortran/100950

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gcc/objc/ChangeLog
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2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
PR objc/101718
* objc-next-runtime-abi-02.c (build_v2_build_objc_method_call):
Revise for cases where scalar objects use an sret parameter.
(next_runtime_abi_02_build_objc_method_call): Likwise.
2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
* objc-act.c (objc_add_property_declaration): Register unavailable
attribute.
(maybe_make_artificial_property_decl): Set available.
(objc_maybe_build_component_ref): Generalise to the method prototype
to count availability.
(objc_build_class_component_ref): Likewise.
(build_private_template): Likewise.
(objc_decl_method_attributes): Handle unavailable attribute.
(lookup_method_in_hash_lists): Amend comments.
(objc_finish_message_expr): Handle unavailability in addition to
deprecation.
(start_class): Likewise.
(finish_class): Likewise.
(lookup_protocol): Likewise.
(objc_declare_protocol): Likewise.
(start_protocol): Register unavailable attribute.
(really_start_method): Likewise.
(objc_gimplify_property_ref): Emit error on encountering an
unavailable entity (and a warning for a deprecated one).
2021-08-19 Iain Sandoe <iain@sandoe.co.uk>
* objc-next-runtime-abi-02.c (objc_next_runtime_abi_02_init):

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gcc/testsuite/ChangeLog
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2021-09-01 Jeff Law <jlaw@localhost.localdomain>
PR tree-optimization/102152
* gcc.dg/pr102152.c: New test
2021-09-01 Andrew Pinski <apinski@marvell.com>
PR target/101934
* gcc.target/aarch64/memset-strict-align-1.c: New test.
2021-09-01 Jakub Jelinek <jakub@redhat.com>
PR c++/100977
* g++.dg/cpp23/normalize1.C: New test.
* g++.dg/cpp23/normalize2.C: New test.
* g++.dg/cpp23/normalize3.C: New test.
* g++.dg/cpp23/normalize4.C: New test.
* g++.dg/cpp23/normalize5.C: New test.
* g++.dg/cpp23/normalize6.C: New test.
* g++.dg/cpp23/normalize7.C: New test.
* g++.dg/cpp23/ucnid-1-utf8.C: New test.
* g++.dg/cpp23/ucnid-2-utf8.C: New test.
* gcc.dg/cpp/ucnid-4.c: Don't expect
"not valid at the start of an identifier" errors.
* gcc.dg/cpp/ucnid-4-utf8.c: Likewise.
* gcc.dg/cpp/ucnid-5-utf8.c: New test.
2021-09-01 Andrew Pinski <apinski@marvell.com>
PR testsuite/51748
* gcc.misc-tests/linkage.exp: Add mips*-linux-* support.
2021-09-01 Martin Sebor <msebor@redhat.com>
* gcc.dg/Wstringop-overflow-11.c: Remove xfails.
* gcc.dg/Wstringop-overflow-12.c: Same.
* gcc.dg/Wstringop-overflow-43.c: Add xfails.
* gcc.dg/Wstringop-overflow-73.c: New test.
2021-09-01 Jakub Jelinek <jakub@redhat.com>
PR preprocessor/101488
* c-c++-common/cpp/va-opt-3.c: Adjust expected output.
* c-c++-common/cpp/va-opt-7.c: New test.
2021-09-01 Marek Polacek <polacek@redhat.com>
PR c++/101592
* g++.dg/warn/Wlogical-op-3.C: New test.
2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
* g++.dg/ext/attr-unavailable-1.C: New test.
* g++.dg/ext/attr-unavailable-2.C: New test.
* g++.dg/ext/attr-unavailable-3.C: New test.
* g++.dg/ext/attr-unavailable-4.C: New test.
* g++.dg/ext/attr-unavailable-5.C: New test.
* g++.dg/ext/attr-unavailable-6.C: New test.
* g++.dg/ext/attr-unavailable-7.C: New test.
* g++.dg/ext/attr-unavailable-8.C: New test.
* g++.dg/ext/attr-unavailable-9.C: New test.
* gcc.dg/attr-unavailable-1.c: New test.
* gcc.dg/attr-unavailable-2.c: New test.
* gcc.dg/attr-unavailable-3.c: New test.
* gcc.dg/attr-unavailable-4.c: New test.
* gcc.dg/attr-unavailable-5.c: New test.
* gcc.dg/attr-unavailable-6.c: New test.
* obj-c++.dg/attributes/method-unavailable-1.mm: New test.
* obj-c++.dg/attributes/method-unavailable-2.mm: New test.
* obj-c++.dg/attributes/method-unavailable-3.mm: New test.
* obj-c++.dg/property/at-property-unavailable-1.mm: New test.
* obj-c++.dg/property/at-property-unavailable-2.mm: New test.
* obj-c++.dg/property/dotsyntax-unavailable-1.mm: New test.
* objc.dg/attributes/method-unavailable-1.m: New test.
* objc.dg/attributes/method-unavailable-2.m: New test.
* objc.dg/attributes/method-unavailable-3.m: New test.
* objc.dg/property/at-property-unavailable-1.m: New test.
* objc.dg/property/at-property-unavailable-2.m: New test.
* objc.dg/property/dotsyntax-unavailable-1.m: New test.
2021-09-01 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/102124
* gcc.dg/torture/pr102124.c: New test.
2021-09-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/93491
* gcc.dg/torture/pr93491.c: New testcase.
* gcc.dg/tree-ssa/pr88087.c: Change to valid PRE opportunity.
2021-09-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/102139
* gcc.dg/torture/pr102139.c: New testcase.
2021-09-01 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/102141
* gcc.dg/pr102141.c: New test.
2021-09-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/102149
* gcc.dg/torture/pr102149.c: New testcase.
2021-09-01 Roger Sayle <roger@nextmovesoftware.com>
Joseph Myers <joseph@codesourcery.com>
PR c/79412
* gcc.dg/pr79412.c: New test case.
* gcc.dg/typedef-var-2.c: Update expeted errors.
2021-08-31 Harald Anlauf <anlauf@gmx.de>
PR fortran/100950

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libcpp/ChangeLog
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2021-09-01 Jakub Jelinek <jakub@redhat.com>
PR c++/100977
* include/cpplib.h (struct cpp_options): Add cxx23_identifiers.
* charset.c (CXX23, NXX23): New enumerators.
(CID, NFC, NKC, CTX): Renumber.
(ucn_valid_in_identifier): Implement P1949R7 - use CXX23 and
NXX23 flags for cxx23_identifiers. For start character in
non-pedantic mode, allow characters that are allowed as start
characters in any of the supported language modes, rather than
disallowing characters allowed only as non-start characters in
current mode but for characters from other language modes allowing
them even if they are never allowed at start.
* init.c (struct lang_flags): Add cxx23_identifiers.
(lang_defaults): Add cxx23_identifiers column.
(cpp_set_lang): Initialize CPP_OPTION (pfile, cxx23_identifiers).
* lex.c (warn_about_normalization): If cxx23_identifiers, use
cpp_pedwarning_with_line instead of cpp_warning_with_line for
"is not in NFC" diagnostics.
* makeucnid.c: Adjust usage comment.
(CXX23, NXX23): New enumerators.
(all_languages): Add CXX23.
(not_NFC, not_NFKC, maybe_not_NFC): Renumber.
(read_derivedcore): New function.
(write_table): Print also CXX23 and NXX23 columns.
(main): Require 5 arguments instead of 4, call read_derivedcore.
* ucnid.h: Regenerated using Unicode 13.0.0 files.
2021-09-01 Jason Merrill <jason@redhat.com>
* macro.c (replace_args): When __VA_OPT__ is on the LHS of ##,
remove trailing avoid_paste tokens.
2021-09-01 Jakub Jelinek <jakub@redhat.com>
PR preprocessor/101488
* macro.c (replace_args): Fix up handling of CPP_PADDING tokens at the
start or end of __VA_OPT__ arguments when preceeded or followed by ##.
2021-08-31 Martin Sebor <msebor@redhat.com>
* include/line-map.h (class rich_location): Disable copying and

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libgcc/ChangeLog
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2021-09-01 Sebastian Huber <sebastian.huber@embedded-brains.de>
* unwind-arm-common.inc (abort): Remove.
2021-08-31 Richard Sandiford <richard.sandiford@arm.com>
* config/aarch64/value-unwind.h: Add missing runtime exception

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libiberty/ChangeLog
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2021-09-01 Iain Sandoe <iain@sandoe.co.uk>
* configure: Regenerate.
* configure.ac: Do not search for sbrk on Darwin.
* xmalloc.c: Do not declare sbrk unless it has been found
by configure.
2021-08-29 Iain Buclaw <ibuclaw@gdcproject.org>
* d-demangle.c (dlang_identifier): Skip over fake parent manglings.

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libphobos/ChangeLog
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2021-09-01 Iain Buclaw <ibuclaw@gdcproject.org>
* m4/druntime/os.m4: Update comment for DRUNTIME_OS_SOURCES.
2021-09-01 Iain Buclaw <ibuclaw@gdcproject.org>
* src/Makefile.am: Don't add zlib when ENABLE_LIBDRUNTIME_ONLY.
* src/Makefile.in: Regenerate.
2021-08-30 Iain Buclaw <ibuclaw@gdcproject.org>
* configure: Regenerate.