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@dkm dkm commented Dec 1, 2025

This is a sync with upstream GCC:

-- gerris 🦀

Sandra Loosemore and others added 30 commits November 29, 2025 03:27
gcc/ChangeLog
	PR other/122243
	* doc/invoke.texi (Option Summary) <Cygwin and MinGW Options>:
	Correct spelling of -mthreads and add missing options.
	(Cygwin and MinGW Options): Add @opindex for negative forms.
The Darwin target options documentation was a bit of a mess, with several
undocumented options, some that were listed in the option summary or mentioned
in discussion of other options but not actually documented, and a large
number of options listed in darwin.opt as being obsolete.

I've undocumented all the obsolete options to streamline things, plus a few
others that seem to have been intentially undocumented or supplanted by
other options.  For the others that were probably supposed to documented,
I did my best to guess what they're for by reading the code or just
copying the documentation string in the .opt file, but it's certainly
possible I screwed some up.

gcc/ChangeLog
	PR other/122243
	* config/darwin.opt (findirect-virtual-calls): Mark as Undocumented.
	(fterminated-vtables): Likewise.
	(multi_module): Likewise.
	(multiply_defined): Likewise.
	(multiply_defined_unused): Likewise.
	(no_dead_strip_inits_and_terms): Likewise.
	(noprefixbinding): Likewise.
	(nomultidefs): Likewise.
	(noprebind): Likewise.
	(noseglinkedit): Likewise.
	(ObjC, ObjC++): Add documentation strings.
	(object): Mark as Undocumented.
	(prebind): Likewise.
	(prebind_all_twolevel_modules): Likewise.
	(private_bundle): Likewise.
	(sectobjectsymbols): Likewise.
	(sectorder): Likewise.
	(seg_addr_table_filename): Likewise.
	(segcreate): Likewise.
	(seglinkedit): Likewise.
	(single_module): Likewise.
	(X): Likewise.
	(y): Likewise.
	(Mach): Likewise.
	* doc/invoke.texi (Option Summary) <Darwin Options>: Improve
	alphabetization of the list.  Remove obsolete/undocumented
	options and add missing entries.
	(Darwin Options): Add documentation for -arch, -dependency-file,
	-fapple-kext, -matt-stubs, -fconstant-cfstrings, -mdynamic-no-pic,
	-asm_macosx_version_min, -msymbol-stubs, -mtarget-linker,
	-ObjC, -ObjC++, -Wnonportable-cfstrings.  Update the list
	of options passed to the linker to remove obsolete options
	and add missing ones; also move the block of @opindex entries
	before the list items instead of putting it in the middle.
gcc/ChangeLog
	PR other/122243
	* config/alpha/alpha.opt (mgas): Mark as Undocumented.
	* doc/invoke.texi (Option Summary) <DEC Alpha Options>:  Add
	-mtls-kernel, -mtls-size=, -mlong-double-128, and -mlong-double-64.
	(DEC Alpha Options): Likewise.
gcc/ChangeLog
	PR other/122243
	* doc/invoke.texi (Option Summary) <eBPF Options>: Fix formatting
	issues.  Remove redundant entry for -mno-co-re.
	(eBPF Options): Add missing @opindex entries.  Combine documentation
	for -mco-re and -mno-co-re.
gcc/ChangeLog
	PR other/122243
	* doc/invoke.texi (FR30 Options): Add @opindex for -mno-small-model.
gcc/ChangeLog
	PR other/122243
	* config/ft32/ft32.opt (mlra): Mark obsolete option as Undocumented.
	* doc/invoke.texi (Option Summary) <FT32 Options>: Remove -mlra.
	(FT32 Options): Likewise.  Add @opindex entries for negative
	option forms.
frv.opt has a few options that have never been documented in the
manual.  In the initial commit of the FRV port (prior to the adoption
of .opt files) they were marked as "Internal debug switch" so I have
explicitly made them "Undocumented", consistently with other options
similarly marked in the original port.

The documentation changes all straightforward here, to bring this
section into conformance with conventions being applied through this
chapter of the manual.

gcc/ChangeLog
	PR other/122243
	* config/frv/frv.opt (mbranch-cost=): Mark as Undocumented.
	(mcond-exec-insns=): Likewise.
	(mcond-exec-tempss=): Likewise.
	* doc/invoke.texi (Option Summary) <FRV Options>: Remove duplicate
	positive/negative forms from the list.
	(FRV Options): Combine documentation of positive/negative forms
	where they were listed separately.  Add @opindex entries for
	negative forms.
gcc/ChangeLog
	PR other/122243
	* doc/invoke.texi: Document -mno-android.
The FRV and FT32 options were incorrectly alphabetized with respect to
each other in the Options Summary, the menu for the Submodel Options
section, and in the order of their respective subsections.  Fixed
thusly.

gcc/ChangeLog
	* doc/invoke.texi (Options Summary): Switch ordering of FRV
	and FT32.
	(Submodel Options): Likewise in the menu and section ordering.
gcc/ChangeLog
	* common.opt.urls: Regenerated.
	* config/aarch64/aarch64.opt.urls: Regenerated.
	* config/alpha/alpha.opt.urls: Regenerated.
	* config/arm/arm.opt.urls: Regenerated.
	* config/avr/avr.opt.urls: Regenerated.
	* config/bpf/bpf.opt.urls: Regenerated.
	* config/c6x/c6x.opt.urls: Regenerated.
	* config/cris/cris.opt.urls: Regenerated.
	* config/cris/elf.opt.urls: Regenerated.
	* config/csky/csky.opt.urls: Regenerated.
	* config/darwin.opt.urls: Regenerated.
	* config/epiphany/epiphany.opt.urls: Regenerated.
	* config/frv/frv.opt.urls: Regenerated.
	* config/ft32/ft32.opt.urls: Regenerated.
	* config/gcn/gcn.opt.urls: Regenerated.
	* config/i386/i386.opt.urls: Regenerated.
	* config/ia64/ia64.opt.urls: Regenerated.
	* config/loongarch/loongarch.opt.urls: Regenerated.
	* config/m68k/m68k.opt.urls: Regenerated.
	* config/microblaze/microblaze.opt.urls: Regenerated.
	* config/mips/mips.opt.urls: Regenerated.
	* config/mmix/mmix.opt.urls: Regenerated.
	* config/or1k/or1k.opt.urls: Regenerated.
	* config/pa/pa.opt.urls: Regenerated.
	* config/pdp11/pdp11.opt.urls: Regenerated.
	* config/rs6000/rs6000.opt.urls: Regenerated.
	* config/s390/s390.opt.urls: Regenerated.
	* config/sparc/sparc.opt.urls: Regenerated.
	* config/v850/v850.opt.urls: Regenerated.
	* config/vax/vax.opt.urls: Regenerated.
	* config/visium/visium.opt.urls: Regenerated.
This bumps the libgcobol SONAME for GCC 16 since compared to GCC 15
there are removed symbols and key data structures have changed.

	PR cobol/122803
libgcobol/
	* configure.ac (LIBGCOBOL_VERSION): Bump to 2:0:0.
	* configure: Re-generate.
The following bumps the libgo SONAME to prevent PR119098 from re-appearing
for GCC 15/16.

For PR go/122802
…ing_template_decl [PR122758]

The extra handling of jumps across vacuous inits for -std=c++26
or -ftrivial-auto-var-init={zero,pattern} added for P2795R5 is undesirable
when processing_template_decl, because it creates labels without DECL_NAME
and GOTO_EXPRs to those and those can't be tsubsted.
I was afraid the pop_labels and check_goto_1 and check_previous_goto_1
handling might not happen again during instantiation, but clearly it does
happen fully (and has to, because whether some declaration has vacuous
initialization or not can't be decided in some cases when parsing the
template, if dependent types are involved).

So, this patch just restricts the P2795R5 PR114457 r16-4212 changes
to !processing_template_decl and adds 2 copies of the erroneous2.C testcase,
one changing the function into a function template where nothing is
dependent and another one where most of the declarations are dependent.

2025-11-29  Jakub Jelinek  <[email protected]>

	PR c++/122758
	* decl.cc (pop_labels): Don't call adjust_backward_gotos if
	processing_template_decl.
	(decl_instrument_init_bypass_p): Always return false if
	processing_template_decl.
	(check_goto_1): Don't push anything to direct_goto vector
	if processing_template_decl.

	* g++.dg/cpp26/erroneous5.C: New test.
	* g++.dg/cpp26/erroneous6.C: New test.
	PR c++/116952

gcc/cp/ChangeLog:

	* parser.cc (cp_parser_lambda_expression): Revert
	r11-8166-ge1666ebd9ad31d change prohibiting lambda in non-type
	parameter.

gcc/testsuite/ChangeLog:

	* g++.dg/cpp2a/lambda-uneval14.C: Revise incorrect test.
	* g++.dg/cpp2a/lambda-uneval29.C: New test.

Co-authored-by: Jason Merrill <[email protected]>
…odules [PR119864]

There were two issues preventing OpenMP reductions of UDTs from working
in modules.

Firstly, we were failing a number of checking asserts in the streaming
logic because the declaration is a DECL_LOCAL_DECL_P but was not
correctly added to the BLOCK of the function template.  This is because
cp_parser_omp_declare_reduction only called pushdecl when
!processing_template_decl; correcting this fixed this issue.

The second issue is that modules saw this as a function definition and
so attempted to call allocate_struct_function on it, which crashes.
Given that these reduction functions don't really behave like real
function definitions in any other way, I think the cleanest solution is
to just skip all the function definition post-processing in modules;
this seems to work to get the test functioning correctly, from what I
can see.

	PR c++/119864

gcc/cp/ChangeLog:

	* module.cc (trees_in::read_function_def): Don't call
	post_process on OpenMP UDT reductions.
	* parser.cc (cp_parser_omp_declare_reduction): Call push_decl
	for block_scope, even when processing_template_decl.

gcc/testsuite/ChangeLog:

	* g++.dg/modules/omp-4_a.C: New test.
	* g++.dg/modules/omp-4_b.C: New test.

Signed-off-by: Nathaniel Shead <[email protected]>
Reviewed-by: Jakub Jelinek <[email protected]>
Reviewed-by: Jason Merrill <[email protected]>
README contains a description of the front-end, and brief instructions
for developers.

At the moment the front-end doesn't define any custom tree node, as of
yet.  gcc/algol68/a68-tree.def is a placeholder where to have these
node codes.

a68-types.h and a68.h are the main header files used by the front-end.
Together they provide data definitions and prototypes of functions
defined in the .cc files.

ga68.vw contains a revised-report like formal description of the
language implemented by this compiler.  This includes GNU extensions.

Signed-off-by: Jose E. Marchesi <[email protected]>

gcc/ChangeLog

	* algol68/README: New file.
	* algol68/a68-tree.def: Likewise.
	* algol68/a68-types.h: Likewise.
	* algol68/a68.h: Likewise.
	* algol68/ga68.vw: Likewise.
This commit adds the main sources for the ga68 compiler driver.

Signed-off-by: Jose E. Marchesi <[email protected]>

gcc/ChangeLog:

	* algol68/a68spec.cc: New file.
	* algol68/lang-specs.h: Likewise.
This commit adds the language hooks and the target hooks for the Algol
68 front-end, which implement the a681 compiler proper.

Signed-off-by: Jose E. Marchesi <[email protected]>

gcc/ChangeLog

	* algol68/a68-lang.cc: New file.
This commit adds several utility functions to deal with Unicode
strings.

These functions have been adapted from the libunistring gnulib module.

gcc/ChangeLog

	* algol68/a68-unistr.c: New file.
This commit adds the diagnostics infrastructure for the Algol 68
front-end.

Signed-off-by: Jose E. Marchesi <[email protected]>
Co-authored-by: Marcel van der Veer <[email protected]>

gcc/ChangeLog

	* algol68/a68-diagnostics.cc: New file.
This commit adds the code that handles the exports information for the
module definitions in prelude packets.  The exports info is generated
in a section in the output object file.

A precise description of the binary format in which the exports are
encoded is expressed in an included GNU poke pickle ga68-exports.pk.

Signed-off-by: Jose E. Marchesi <[email protected]>

gcc/ChangeLog

	* algol68/a68-exports.cc: New file.
	* algol68/ga68-exports.pk: Likewise.
This patch adds support for importing module interfaces, read from
object files, shared objects, archives or stand-alone files.

Signed-off-by: Jose E. Marchesi <[email protected]>

gcc/ChangeLog

	* algol68/a68-imports.cc: New file.
This commit adds the parsing support code and the entry point to the
parser.

Signed-off-by: Jose E. Marchesi <[email protected]>
Co-authored-by: Marcel van der Veer <[email protected]>
Signed-off-by: Jose E. Marchesi <[email protected]>

gcc/ChangeLog

	* algol68/a68-parser-attrs.def: New file.
Lexer for the Algol 68 front-end.

Signed-off-by: Jose E. Marchesi <[email protected]>
Co-authored-by: Marcel van der Veer <[email protected]>
This commit adds code to manage the table of keywords (bold words) in
the Algol 68 front-end.

Signed-off-by: Jose E. Marchesi <[email protected]>
Co-authored-by: Marcel van der Veer <[email protected]>
Top-down parser for the Algol 68 front-end.

Signed-off-by: Jose E. Marchesi <[email protected]>
Co-authored-by: Marcel van der Veer <[email protected]>
This pass makes sure all brackets (parenthesis) are matched in the
source program.

Signed-off-by: Jose E. Marchesi <[email protected]>
Co-authored-by: Marcel van der Veer <[email protected]>
Bottom-up parser for the Algol 68 front-end.

Signed-off-by: Jose E. Marchesi <[email protected]>
Co-authored-by: Marcel van der Veer <[email protected]>
dkm and others added 20 commits December 1, 2025 20:39
This new workflow is used to send emails to the gcc-patches@ mailing list
after every merged PR.

For each merged PR:
- remove commits touching files not to-be-upstreamed (e.g. github
workflow, README.md, ...)
- send a mail series

Each mail contains explanation + links to commits on the github project.

Authors of commits will be put in Cc: of emails.

Configure it by setting the following secrets in github:
- PATCH_TO: the "To:" field for the emails
- PATCH_CC: optional "Cc:"
- SMTP_FROM, SMTP_PASSWORD, SMTP_PORT, SMTP_SERVER, STMP_USERNAME: self explanatory

ChangeLog:

        * .github/workflows/send-emails.yml: New file.
Since f1982cc, we are using
clang-format-16 instead of clang-format-10. This commit updates the
clang-format version documented in CONTRIBUTING.md so that new
contributors don't get tripped.

ChangeLog:

	* CONTRIBUTING.md: Update clang-format version

Signed-off-by: Ryo Yoshida <[email protected]>
It's really getting in the way. It needs special care to be in sync with
Iain's own rebased branch.

Until it is easier to use, remove it from our CI.

ChangeLog:

	* .github/workflows/ccpp.yml (build-and-check-clang-macos): Remove.

Signed-off-by: Marc Poulhiès <[email protected]>
Only the password needs to be hidden. Makes the maitainance easier.

ChangeLog:

	* .github/workflows/send-emails.yml: Change secrets to vars.

Signed-off-by: Marc Poulhiès <[email protected]>
ChangeLog:

	* .github/workflows/commit-format.yml: adjust grep.

Signed-off-by: Marc Poulhiès <[email protected]>
gcc/rust/ChangeLog:

	* expand/rust-expand-visitor.cc (builtin_derive_item): Collect derived nodes.
	(derive_item): Collect derived nodes.
	* util/rust-hir-map.cc (Mappings::add_derived_nodes): Add derived set to collect derived
	nodes.
	(Mappings::is_derived_node): Add derived set to collect derived nodes.
	* util/rust-hir-map.h: Add derived set to collect derived nodes.

Signed-off-by: Ryutaro Okada <[email protected]>
ChangeLog:

	* README.md: Add Fedora WSL deps.

Signed-off-by: Osama Albahrani <[email protected]>
Use github API through `gh` to get the related pull-request URL and add
them in the comment section of the emails.

ChangeLog:

	* .github/workflows/send-emails.yml<prepare patch series>: Add PR links.

Signed-off-by: Marc Poulhiès <[email protected]>
Use dtolnay/rust-toolchain action to install rustc toolchain.
Use a composite action for the various build/check on ubuntu.

More cleanup possible (the 32/64bits builds could be simplified and only
build 1 compiler and split the checks)

ChangeLog:

	* .github/workflows/ccpp.yml: Refactor.
	* .github/actions/build-gcc/action.yml: New file.

Signed-off-by: Marc Poulhiès <[email protected]>
gcc/rust/ChangeLog:

	* parse/rust-parse-impl.h (Parser::parse_items): Remove item parsing
	error.

gcc/testsuite/ChangeLog:

	* rust/compile/braced_macro_arm.rs: Remove superfluous error message
	matching.
	* rust/compile/decl_macro6.rs: Likewise.
	* rust/compile/decl_macro7.rs: Likewise.
	* rust/compile/extern_type_item_missing_semi.rs: Likewise.
	* rust/compile/issue-2187.rs: Likewise.
	* rust/compile/issue-407-2.rs: Likewise.
	* rust/compile/issue-407.rs: Likewise.
	* rust/compile/issue-4162.rs: Likewise.
	* rust/compile/issue-867.rs: Likewise.
	* rust/compile/macros/mbe/macro-issue1053-2.rs: Likewise.
	* rust/compile/macros/mbe/macro-issue1395-2.rs: Likewise.
	* rust/compile/macros/mbe/macro-issue3608.rs: Likewise.
	* rust/compile/macros/mbe/macro27.rs: Likewise.
	* rust/compile/macros/mbe/macro28.rs: Likewise.
	* rust/compile/macros/mbe/macro29.rs: Likewise.
	* rust/compile/macros/mbe/macro30.rs: Likewise.
	* rust/compile/macros/mbe/macro31.rs: Likewise.
	* rust/compile/macros/mbe/macro33.rs: Likewise.
	* rust/compile/macros/mbe/macro35.rs: Likewise.
	* rust/compile/macros/mbe/macro37.rs: Likewise.
	* rust/compile/macros/mbe/macro38.rs: Likewise.
	* rust/compile/macros/mbe/macro39.rs: Likewise.
	* rust/compile/macros/mbe/macro48.rs: Likewise.
	* rust/compile/parse_invalid_specialization.rs: Likewise.
	* rust/compile/parse_simple_path_fail_1.rs: Likewise.
	* rust/compile/parse_simple_path_fail_2.rs: Likewise.
	* rust/compile/raw-string-loc.rs: Likewise.
	* rust/compile/raw-byte-string-loc.rs: Likewise.
	* rust/compile/self_const_ptr.rs: Likewise.
	* rust/compile/self_mut_ptr.rs: Likewise.
	* rust/compile/static_var1.rs: Likewise.
	* rust/compile/self_ptr.rs: Likewise.
	* rust/compile/torture/identifier-missing-impl-1.rs: Likewise.

Signed-off-by: Pierre-Emmanuel Patry <[email protected]>
gcc/rust/ChangeLog:

	* expand/rust-macro-expand.h: Fix typos in comment.
gcc/rust/ChangeLog:

	* backend/rust-constexpr.cc (eval_binary_expression): Set initial value
	equality value to false.

Signed-off-by: Pierre-Emmanuel Patry <[email protected]>
gcc/rust/ChangeLog:

	* parse/rust-parse-impl.h (Parser::parse_delim_token_tree):
	Remove error message.
	(Parser::parse_token_tree): Split error message.

gcc/testsuite/ChangeLog:

	* rust/compile/macros/mbe/macro-issue3608.rs: Remove error.

Signed-off-by: Pierre-Emmanuel Patry <[email protected]>
gcc/rust/ChangeLog:

	* parse/rust-parse-impl.h (Parser::parse_function): Return a nullptr on
	error instead of a valid function.
	(Parser::parse_let_stmt): Remove non leaf error.
	(Parser::parse_if_expr): Likewise.
	(Parser::parse_loop_expr): Likewise.
	(Parser::parse_expr): Return error on null denotation error.

gcc/testsuite/ChangeLog:

	* rust/compile/braced_macro_arm.rs: Remove parent errors.
	* rust/compile/issue-407-2.rs: Likewise.
	* rust/compile/issue-407.rs: Likewise.
	* rust/compile/issue-4162.rs: Likewise.
	* rust/compile/issue-867.rs: Likewise.
	* rust/compile/raw_ref_op_invalid.rs: Likewise.

Signed-off-by: Pierre-Emmanuel Patry <[email protected]>
gcc/rust/ChangeLog:

	* checks/errors/feature/rust-feature-gate.cc (FeatureGate::visit): Add check for lang_items.
	* checks/errors/feature/rust-feature-gate.h: Likewise.

Signed-off-by: Raiki Tamura <[email protected]>
gcc/testsuite/ChangeLog:

	* rust/borrowck/reference.rs: Add attributes.
	* rust/borrowck/tmp.rs: Likewise.
	* rust/compile/additional-trait-bounds1.rs: Likewise.
	* rust/compile/additional-trait-bounds2.rs: Likewise.
	* rust/compile/additional-trait-bounds2nr2.rs: Likewise.
	* rust/compile/auto_traits1.rs: Likewise.
	* rust/compile/auto_traits2.rs: Likewise.
	* rust/compile/bad-rpit1.rs: Likewise.
	* rust/compile/black_box.rs: Likewise.
	* rust/compile/bounds1.rs: Likewise.
	* rust/compile/box_syntax_feature_gate.rs: Likewise.
	* rust/compile/bug-with-default-generic.rs: Likewise.
	* rust/compile/canonical_paths1.rs: Likewise.
	* rust/compile/cast_generics.rs: Likewise.
	* rust/compile/closure_no_type_anno.rs: Likewise.
	* rust/compile/cmp1.rs: Likewise.
	* rust/compile/complex_qualified_path_in_expr.rs: Likewise.
	* rust/compile/const-issue1440.rs: Likewise.
	* rust/compile/const_generics_1.rs: Likewise.
	* rust/compile/const_generics_10.rs: Likewise.
	* rust/compile/const_generics_11.rs: Likewise.
	* rust/compile/const_generics_12.rs: Likewise.
	* rust/compile/const_generics_13.rs: Likewise.
	* rust/compile/const_generics_14.rs: Likewise.
	* rust/compile/const_generics_15.rs: Likewise.
	* rust/compile/const_generics_16.rs: Likewise.
	* rust/compile/const_generics_18.rs: Likewise.
	* rust/compile/const_generics_19.rs: Likewise.
	* rust/compile/const_generics_3.rs: Likewise.
	* rust/compile/const_generics_8.rs: Likewise.
	* rust/compile/const_generics_9.rs: Likewise.
	* rust/compile/derive-debug1.rs: Likewise.
	* rust/compile/derive-default1.rs: Likewise.
	* rust/compile/derive-eq-invalid.rs: Likewise.
	* rust/compile/derive-hash1.rs: Likewise.
	* rust/compile/derive-partialeq1.rs: Likewise.
	* rust/compile/derive_clone_enum1.rs: Likewise.
	* rust/compile/derive_clone_enum2.rs: Likewise.
	* rust/compile/derive_clone_enum3.rs: Likewise.
	* rust/compile/derive_macro1.rs: Likewise.
	* rust/compile/derive_macro3.rs: Likewise.
	* rust/compile/derive_macro4.rs: Likewise.
	* rust/compile/derive_macro6.rs: Likewise.
	* rust/compile/derive_partial_ord1.rs: Likewise.
	* rust/compile/expand_macro_qual_path_in_type.rs: Likewise.
	* rust/compile/expected_type_args2.rs: Likewise.
	* rust/compile/expected_type_args3.rs: Likewise.
	* rust/compile/extern_generics.rs: Likewise.
	* rust/compile/for-loop1.rs: Likewise.
	* rust/compile/for-loop2.rs: Likewise.
	* rust/compile/format_args_basic_expansion.rs: Likewise.
	* rust/compile/format_args_concat.rs: Likewise.
	* rust/compile/format_args_extra_comma.rs: Likewise.
	* rust/compile/generics1.rs: Likewise.
	* rust/compile/generics11.rs: Likewise.
	* rust/compile/generics12.rs: Likewise.
	* rust/compile/generics2.rs: Likewise.
	* rust/compile/generics3.rs: Likewise.
	* rust/compile/generics4.rs: Likewise.
	* rust/compile/generics6.rs: Likewise.
	* rust/compile/generics7.rs: Likewise.
	* rust/compile/generics8.rs: Likewise.
	* rust/compile/if_let_expr.rs: Likewise.
	* rust/compile/impl_fnptr.rs: Likewise.
	* rust/compile/impl_trait_diag.rs: Likewise.
	* rust/compile/impl_trait_generic_arg.rs: Likewise.
	* rust/compile/issue-1005.rs: Likewise.
	* rust/compile/issue-1019.rs: Likewise.
	* rust/compile/issue-1031.rs: Likewise.
	* rust/compile/issue-1034.rs: Likewise.
	* rust/compile/issue-1128.rs: Likewise.
	* rust/compile/issue-1129-2.rs: Likewise.
	* rust/compile/issue-1130.rs: Likewise.
	* rust/compile/issue-1131.rs: Likewise.
	* rust/compile/issue-1165.rs: Likewise.
	* rust/compile/issue-1173.rs: Likewise.
	* rust/compile/issue-1235.rs: Likewise.
	* rust/compile/issue-1237.rs: Likewise.
	* rust/compile/issue-1289.rs: Likewise.
	* rust/compile/issue-1383.rs: Likewise.
	* rust/compile/issue-1447.rs: Likewise.
	* rust/compile/issue-1483.rs: Likewise.
	* rust/compile/issue-1485.rs: Likewise.
	* rust/compile/issue-1487.rs: Likewise.
	* rust/compile/issue-1589.rs: Likewise.
	* rust/compile/issue-1725-1.rs: Likewise.
	* rust/compile/issue-1725-2.rs: Likewise.
	* rust/compile/issue-1786.rs: Likewise.
	* rust/compile/issue-1893.rs: Likewise.
	* rust/compile/issue-1901.rs: Likewise.
	* rust/compile/issue-1930.rs: Likewise.
	* rust/compile/issue-1981.rs: Likewise.
	* rust/compile/issue-2015.rs: Likewise.
	* rust/compile/issue-2019-1.rs: Likewise.
	* rust/compile/issue-2019-2.rs: Likewise.
	* rust/compile/issue-2019-3.rs: Likewise.
	* rust/compile/issue-2036.rs: Likewise.
	* rust/compile/issue-2037.rs: Likewise.
	* rust/compile/issue-2070.rs: Likewise.
	* rust/compile/issue-2105.rs: Likewise.
	* rust/compile/issue-2106.rs: Likewise.
	* rust/compile/issue-2135.rs: Likewise.
	* rust/compile/issue-2136-1.rs: Likewise.
	* rust/compile/issue-2136-2.rs: Likewise.
	* rust/compile/issue-2139.rs: Likewise.
	* rust/compile/issue-2142.rs: Likewise.
	* rust/compile/issue-2165.rs: Likewise.
	* rust/compile/issue-2166.rs: Likewise.
	* rust/compile/issue-2190-1.rs: Likewise.
	* rust/compile/issue-2190-2.rs: Likewise.
	* rust/compile/issue-2195.rs: Likewise.
	* rust/compile/issue-2238.rs: Likewise.
	* rust/compile/issue-2304.rs: Likewise.
	* rust/compile/issue-2323.rs: Likewise.
	* rust/compile/issue-2330.rs: Likewise.
	* rust/compile/issue-2369.rs: Likewise.
	* rust/compile/issue-2375.rs: Likewise.
	* rust/compile/issue-2478.rs: Likewise.
	* rust/compile/issue-2499.rs: Likewise.
	* rust/compile/issue-2723-1.rs: Likewise.
	* rust/compile/issue-2723-2.rs: Likewise.
	* rust/compile/issue-2725.rs: Likewise.
	* rust/compile/issue-2747.rs: Likewise.
	* rust/compile/issue-2772-1.rs: Likewise.
	* rust/compile/issue-2772-2.rs: Likewise.
	* rust/compile/issue-2775.rs: Likewise.
	* rust/compile/issue-2782.rs: Likewise.
	* rust/compile/issue-2907.rs: Likewise.
	* rust/compile/issue-2951.rs: Likewise.
	* rust/compile/issue-2953-1.rs: Likewise.
	* rust/compile/issue-2953-2.rs: Likewise.
	* rust/compile/issue-2954.rs: Likewise.
	* rust/compile/issue-2987.rs: Likewise.
	* rust/compile/issue-3009.rs: Likewise.
	* rust/compile/issue-3022.rs: Likewise.
	* rust/compile/issue-3030.rs: Likewise.
	* rust/compile/issue-3032-1.rs: Likewise.
	* rust/compile/issue-3032-2.rs: Likewise.
	* rust/compile/issue-3033.rs: Likewise.
	* rust/compile/issue-3035.rs: Likewise.
	* rust/compile/issue-3036.rs: Likewise.
	* rust/compile/issue-3045-1.rs: Likewise.
	* rust/compile/issue-3045-2.rs: Likewise.
	* rust/compile/issue-3144.rs: Likewise.
	* rust/compile/issue-3242.rs: Likewise.
	* rust/compile/issue-3304.rs: Likewise.
	* rust/compile/issue-3382.rs: Likewise.
	* rust/compile/issue-3402-1.rs: Likewise.
	* rust/compile/issue-3402-2.rs: Likewise.
	* rust/compile/issue-3403.rs: Likewise.
	* rust/compile/issue-3454.rs: Likewise.
	* rust/compile/issue-3551.rs: Likewise.
	* rust/compile/issue-3554-2.rs: Likewise.
	* rust/compile/issue-3599.rs: Likewise.
	* rust/compile/issue-3642.rs: Likewise.
	* rust/compile/issue-3711.rs: Likewise.
	* rust/compile/issue-3836.rs: Likewise.
	* rust/compile/issue-3898.rs: Likewise.
	* rust/compile/issue-3915.rs: Likewise.
	* rust/compile/issue-3916.rs: Likewise.
	* rust/compile/issue-3969.rs: Likewise.
	* rust/compile/issue-402.rs: Likewise.
	* rust/compile/issue-4090-1.rs: Likewise.
	* rust/compile/issue-4090-2.rs: Likewise.
	* rust/compile/issue-850.rs: Likewise.
	* rust/compile/issue-855.rs: Likewise.
	* rust/compile/issue-925.rs: Likewise.
	* rust/compile/iterators1.rs: Likewise.
	* rust/compile/macros/builtin/option_env1.rs: Likewise.
	* rust/compile/macros/builtin/option_env2.rs: Likewise.
	* rust/compile/macros/builtin/option_env3.rs: Likewise.
	* rust/compile/macros/mbe/macro-issue1400.rs: Likewise.
	* rust/compile/macros/mbe/macro-issue3708.rs: Likewise.
	* rust/compile/macros/mbe/macro-issue3709-2.rs: Likewise.
	* rust/compile/macros/mbe/macro20.rs: Likewise.
	* rust/compile/macros/mbe/macro23.rs: Likewise.
	* rust/compile/macros/mbe/macro40.rs: Likewise.
	* rust/compile/macros/mbe/macro49.rs: Likewise.
	* rust/compile/macros/mbe/macro54.rs: Likewise.
	* rust/compile/multiple_bindings1.rs: Likewise.
	* rust/compile/name_resolution2.rs: Likewise.
	* rust/compile/name_resolution4.rs: Likewise.
	* rust/compile/nested_generic.rs: Likewise.
	* rust/compile/parse_associated_type_as_generic_arg.rs: Likewise.
	* rust/compile/parse_associated_type_as_generic_arg2.rs: Likewise.
	* rust/compile/parse_associated_type_as_generic_arg3.rs: Likewise.
	* rust/compile/parse_closure_bind.rs: Likewise.
	* rust/compile/parse_complex_generic_application.rs: Likewise.
	* rust/compile/parse_complex_generic_application2.rs: Likewise.
	* rust/compile/path_as_generic_arg.rs: Likewise.
	* rust/compile/privacy4.rs: Likewise.
	* rust/compile/privacy6.rs: Likewise.
	* rust/compile/silly-order-bug.rs: Likewise.
	* rust/compile/sizeof-stray-infer-var-bug.rs: Likewise.
	* rust/compile/stmt_with_block_dot.rs: Likewise.
	* rust/compile/structural-eq-peq.rs: Likewise.
	* rust/compile/torture/associated_types1.rs: Likewise.
	* rust/compile/torture/forward_decl_5.rs: Likewise.
	* rust/compile/torture/generics1.rs: Likewise.
	* rust/compile/torture/generics10.rs: Likewise.
	* rust/compile/torture/generics11.rs: Likewise.
	* rust/compile/torture/generics12.rs: Likewise.
	* rust/compile/torture/generics13.rs: Likewise.
	* rust/compile/torture/generics14.rs: Likewise.
	* rust/compile/torture/generics15.rs: Likewise.
	* rust/compile/torture/generics16.rs: Likewise.
	* rust/compile/torture/generics17.rs: Likewise.
	* rust/compile/torture/generics18.rs: Likewise.
	* rust/compile/torture/generics19.rs: Likewise.
	* rust/compile/torture/generics2.rs: Likewise.
	* rust/compile/torture/generics20.rs: Likewise.
	* rust/compile/torture/generics21.rs: Likewise.
	* rust/compile/torture/generics22.rs: Likewise.
	* rust/compile/torture/generics23.rs: Likewise.
	* rust/compile/torture/generics24.rs: Likewise.
	* rust/compile/torture/generics25.rs: Likewise.
	* rust/compile/torture/generics26.rs: Likewise.
	* rust/compile/torture/generics27.rs: Likewise.
	* rust/compile/torture/generics28.rs: Likewise.
	* rust/compile/torture/generics29.rs: Likewise.
	* rust/compile/torture/generics3.rs: Likewise.
	* rust/compile/torture/generics30.rs: Likewise.
	* rust/compile/torture/generics31.rs: Likewise.
	* rust/compile/torture/generics32.rs: Likewise.
	* rust/compile/torture/generics4.rs: Likewise.
	* rust/compile/torture/generics5.rs: Likewise.
	* rust/compile/torture/generics6.rs: Likewise.
	* rust/compile/torture/generics7.rs: Likewise.
	* rust/compile/torture/generics8.rs: Likewise.
	* rust/compile/torture/generics9.rs: Likewise.
	* rust/compile/torture/intrinsics-2.rs: Likewise.
	* rust/compile/torture/intrinsics-4.rs: Likewise.
	* rust/compile/torture/intrinsics-5.rs: Likewise.
	* rust/compile/torture/intrinsics-6.rs: Likewise.
	* rust/compile/torture/intrinsics-7.rs: Likewise.
	* rust/compile/torture/intrinsics-8.rs: Likewise.
	* rust/compile/torture/issue-1024.rs: Likewise.
	* rust/compile/torture/issue-1075.rs: Likewise.
	* rust/compile/torture/issue-1432.rs: Likewise.
	* rust/compile/torture/issue-1555.rs: Likewise.
	* rust/compile/torture/issue-368.rs: Likewise.
	* rust/compile/torture/issue-808.rs: Likewise.
	* rust/compile/torture/issue-862.rs: Likewise.
	* rust/compile/torture/issue-893-2.rs: Likewise.
	* rust/compile/torture/issue-893.rs: Likewise.
	* rust/compile/torture/must_use2.rs: Likewise.
	* rust/compile/torture/nested_fn2.rs: Likewise.
	* rust/compile/torture/phantom_data.rs: Likewise.
	* rust/compile/torture/range-lang-item1.rs: Likewise.
	* rust/compile/torture/traits1.rs: Likewise.
	* rust/compile/torture/traits10.rs: Likewise.
	* rust/compile/torture/traits11.rs: Likewise.
	* rust/compile/torture/traits12.rs: Likewise.
	* rust/compile/torture/traits13.rs: Likewise.
	* rust/compile/torture/traits14.rs: Likewise.
	* rust/compile/torture/traits15.rs: Likewise.
	* rust/compile/torture/traits16.rs: Likewise.
	* rust/compile/torture/traits17.rs: Likewise.
	* rust/compile/torture/traits18.rs: Likewise.
	* rust/compile/torture/traits19.rs: Likewise.
	* rust/compile/torture/traits2.rs: Likewise.
	* rust/compile/torture/traits3.rs: Likewise.
	* rust/compile/torture/traits4.rs: Likewise.
	* rust/compile/torture/traits5.rs: Likewise.
	* rust/compile/torture/traits6.rs: Likewise.
	* rust/compile/torture/traits7.rs: Likewise.
	* rust/compile/torture/traits8.rs: Likewise.
	* rust/compile/torture/traits9.rs: Likewise.
	* rust/compile/torture/transmute-size-check-1.rs: Likewise.
	* rust/compile/torture/transmute1.rs: Likewise.
	* rust/compile/torture/uninit-intrinsic-1.rs: Likewise.
	* rust/compile/torture/utf8_identifiers.rs: Likewise.
	* rust/compile/traits1.rs: Likewise.
	* rust/compile/traits10.rs: Likewise.
	* rust/compile/traits11.rs: Likewise.
	* rust/compile/traits12.rs: Likewise.
	* rust/compile/traits2.rs: Likewise.
	* rust/compile/traits3.rs: Likewise.
	* rust/compile/traits4.rs: Likewise.
	* rust/compile/traits5.rs: Likewise.
	* rust/compile/traits6.rs: Likewise.
	* rust/compile/traits7.rs: Likewise.
	* rust/compile/traits8.rs: Likewise.
	* rust/compile/traits9.rs: Likewise.
	* rust/compile/try-expr1.rs: Likewise.
	* rust/compile/try-trait.rs: Likewise.
	* rust/compile/try_block1.rs: Likewise.
	* rust/compile/type-bindings1.rs: Likewise.
	* rust/compile/unconstrained_type_param.rs: Likewise.
	* rust/compile/unify-errors1.rs: Likewise.
	* rust/compile/unsafe10.rs: Likewise.
	* rust/compile/v0-mangle1.rs: Likewise.
	* rust/compile/v0-mangle2.rs: Likewise.
	* rust/compile/while_let1.rs: Likewise.
	* rust/execute/black_box.rs: Likewise.
	* rust/execute/torture/atomic_load.rs: Likewise.
	* rust/execute/torture/atomic_store.rs: Likewise.
	* rust/execute/torture/basic_partial_ord1.rs: Likewise.
	* rust/execute/torture/basic_partial_ord2.rs: Likewise.
	* rust/execute/torture/builtin_macro_option_env.rs: Likewise.
	* rust/execute/torture/closure1.rs: Likewise.
	* rust/execute/torture/closure2.rs: Likewise.
	* rust/execute/torture/closure3.rs: Likewise.
	* rust/execute/torture/closure4.rs: Likewise.
	* rust/execute/torture/coercion1.rs: Likewise.
	* rust/execute/torture/coercion2.rs: Likewise.
	* rust/execute/torture/coercion3.rs: Likewise.
	* rust/execute/torture/const-generics-1.rs: Likewise.
	* rust/execute/torture/const-generics-2.rs: Likewise.
	* rust/execute/torture/const-generics-3.rs: Likewise.
	* rust/execute/torture/const-generics-4.rs: Likewise.
	* rust/execute/torture/const-generics-5.rs: Likewise.
	* rust/execute/torture/const-generics-6.rs: Likewise.
	* rust/execute/torture/const-generics-7.rs: Likewise.
	* rust/execute/torture/copy_nonoverlapping1.rs: Likewise.
	* rust/execute/torture/derive-default1.rs: Likewise.
	* rust/execute/torture/derive-partialeq1.rs: Likewise.
	* rust/execute/torture/derive-partialeq2.rs: Likewise.
	* rust/execute/torture/derive_clone_enum1.rs: Likewise.
	* rust/execute/torture/derive_macro1.rs: Likewise.
	* rust/execute/torture/derive_macro3.rs: Likewise.
	* rust/execute/torture/derive_macro4.rs: Likewise.
	* rust/execute/torture/enum_intrinsics1.rs: Likewise.
	* rust/execute/torture/enum_intrinsics2.rs: Likewise.
	* rust/execute/torture/for-loop1.rs: Likewise.
	* rust/execute/torture/for-loop2.rs: Likewise.
	* rust/execute/torture/gat1.rs: Likewise.
	* rust/execute/torture/impl_desugar-2.rs: Likewise.
	* rust/execute/torture/impl_desugar.rs: Likewise.
	* rust/execute/torture/impl_rpit1.rs: Likewise.
	* rust/execute/torture/impl_rpit2.rs: Likewise.
	* rust/execute/torture/impl_rpit3.rs: Likewise.
	* rust/execute/torture/impl_trait1.rs: Likewise.
	* rust/execute/torture/impl_trait2.rs: Likewise.
	* rust/execute/torture/impl_trait3.rs: Likewise.
	* rust/execute/torture/impl_trait4.rs: Likewise.
	* rust/execute/torture/index1.rs: Likewise.
	* rust/execute/torture/issue-1120.rs: Likewise.
	* rust/execute/torture/issue-1133.rs: Likewise.
	* rust/execute/torture/issue-1198.rs: Likewise.
	* rust/execute/torture/issue-1232.rs: Likewise.
	* rust/execute/torture/issue-1249.rs: Likewise.
	* rust/execute/torture/issue-1436.rs: Likewise.
	* rust/execute/torture/issue-1481.rs: Likewise.
	* rust/execute/torture/issue-1482.rs: Likewise.
	* rust/execute/torture/issue-1496.rs: Likewise.
	* rust/execute/torture/issue-1720-2.rs: Likewise.
	* rust/execute/torture/issue-1720.rs: Likewise.
	* rust/execute/torture/issue-2005.rs: Likewise.
	* rust/execute/torture/issue-2052.rs: Likewise.
	* rust/execute/torture/issue-2179.rs: Likewise.
	* rust/execute/torture/issue-2180.rs: Likewise.
	* rust/execute/torture/issue-2236.rs: Likewise.
	* rust/execute/torture/issue-2583.rs: Likewise.
	* rust/execute/torture/issue-3126.rs: Likewise.
	* rust/execute/torture/issue-3381.rs: Likewise.
	* rust/execute/torture/issue-3502.rs: Likewise.
	* rust/execute/torture/issue-3836.rs: Likewise.
	* rust/execute/torture/issue-647.rs: Likewise.
	* rust/execute/torture/issue-845.rs: Likewise.
	* rust/execute/torture/issue-851.rs: Likewise.
	* rust/execute/torture/issue-858.rs: Likewise.
	* rust/execute/torture/iter1.rs: Likewise.
	* rust/execute/torture/macros23.rs: Likewise.
	* rust/execute/torture/macros28.rs: Likewise.
	* rust/execute/torture/method2.rs: Likewise.
	* rust/execute/torture/method3.rs: Likewise.
	* rust/execute/torture/method4.rs: Likewise.
	* rust/execute/torture/min_specialization2.rs: Likewise.
	* rust/execute/torture/min_specialization3.rs: Likewise.
	* rust/execute/torture/operator_overload_1.rs: Likewise.
	* rust/execute/torture/operator_overload_10.rs: Likewise.
	* rust/execute/torture/operator_overload_11.rs: Likewise.
	* rust/execute/torture/operator_overload_12.rs: Likewise.
	* rust/execute/torture/operator_overload_2.rs: Likewise.
	* rust/execute/torture/operator_overload_3.rs: Likewise.
	* rust/execute/torture/operator_overload_4.rs: Likewise.
	* rust/execute/torture/operator_overload_5.rs: Likewise.
	* rust/execute/torture/operator_overload_6.rs: Likewise.
	* rust/execute/torture/operator_overload_7.rs: Likewise.
	* rust/execute/torture/operator_overload_8.rs: Likewise.
	* rust/execute/torture/operator_overload_9.rs: Likewise.
	* rust/execute/torture/partial-eq-1.rs: Likewise.
	* rust/execute/torture/partial-eq-2.rs: Likewise.
	* rust/execute/torture/partial-eq-3.rs: Likewise.
	* rust/execute/torture/partial-eq-4.rs: Likewise.
	* rust/execute/torture/partial-ord-1.rs: Likewise.
	* rust/execute/torture/partial-ord-2.rs: Likewise.
	* rust/execute/torture/partial-ord-3.rs: Likewise.
	* rust/execute/torture/partial-ord-4.rs: Likewise.
	* rust/execute/torture/partial-ord-5.rs: Likewise.
	* rust/execute/torture/partial-ord-6.rs: Likewise.
	* rust/execute/torture/prefetch_data.rs: Likewise.
	* rust/execute/torture/ref-pattern2.rs: Likewise.
	* rust/execute/torture/sip-hasher.rs: Likewise.
	* rust/execute/torture/slice-magic.rs: Likewise.
	* rust/execute/torture/slice-magic2.rs: Likewise.
	* rust/execute/torture/slice1.rs: Likewise.
	* rust/execute/torture/str-layout1.rs: Likewise.
	* rust/execute/torture/trait1.rs: Likewise.
	* rust/execute/torture/trait10.rs: Likewise.
	* rust/execute/torture/trait11.rs: Likewise.
	* rust/execute/torture/trait12.rs: Likewise.
	* rust/execute/torture/trait13.rs: Likewise.
	* rust/execute/torture/trait14.rs: Likewise.
	* rust/execute/torture/trait15.rs: Likewise.
	* rust/execute/torture/trait2.rs: Likewise.
	* rust/execute/torture/trait3.rs: Likewise.
	* rust/execute/torture/trait4.rs: Likewise.
	* rust/execute/torture/trait5.rs: Likewise.
	* rust/execute/torture/trait6.rs: Likewise.
	* rust/execute/torture/trait7.rs: Likewise.
	* rust/execute/torture/trait8.rs: Likewise.
	* rust/execute/torture/trait9.rs: Likewise.
	* rust/execute/torture/transmute1.rs: Likewise.
	* rust/execute/torture/wrapping_op1.rs: Likewise.
	* rust/execute/torture/wrapping_op2.rs: Likewise.
	* rust/link/generic_function_1.rs: Likewise.
	* rust/link/trait_import_1.rs: Likewise.

Signed-off-by: Raiki Tamura <[email protected]>
This fixes a false positive with undefined features, improves the
implementation of Feature::as_name, and configures the testsuite to
check further stages of libcore compilation.

gcc/rust/ChangeLog:

	* ast/rust-macro.h (MetaNameValueStr::get_name): New function.
	(MetaNameValueStr::get_value): Likewise.
	* checks/errors/feature/rust-feature-gate.cc
	(FeatureGate::visit): Tweak unknown feature detection.
	(FeatureGate::gate): Handle field rename.
	(FeatureGate::note_stability_attribute): New function
	definition.
	* checks/errors/feature/rust-feature-gate.h
	(FeatureGate::note_stability_attribute): New function
	declaration.
	(FeatureGate::Stability): New enum class.
	(FeatureGate::valid_features): Rename field to...
	(FeatureGate::valid_lang_features): ...here.
	(FeatureGate::valid_lib_features): New field.
	(FeatureGate::defined_lib_features): Likewise.
	* checks/errors/feature/rust-feature.cc (Feature::as_name):
	Improve implementation.

gcc/testsuite/ChangeLog:

	* rust/core/core.exp: Change -frust-compile-until=astvalidation
	to -frust-compile-until=nameresolution.

Signed-off-by: Owen Avery <[email protected]>
We recently modified all tests with lang items to add the lang feature
gate switch but we did not introduce any test to check that a proper
error message is printed when this switch is not used.

gcc/testsuite/ChangeLog:

	* rust/compile/lang_feature_gate.rs: New test.

Signed-off-by: Pierre-Emmanuel Patry <[email protected]>
@dkm dkm self-assigned this Dec 1, 2025
@dkm
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dkm commented Dec 2, 2025

              === rust Summary ===

# of expected passes            10442
# of expected failures          74
# of unsupported tests          7

for the new branch and current master.

@dkm
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dkm commented Dec 2, 2025

But I'll need to adjust for clang format, looks like upstream has changed some setting.

@dkm
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dkm commented Dec 2, 2025

Branch still has the same test results:

                === rust Summary ===

# of expected passes            10442
# of expected failures          74
# of unsupported tests          7

@dkm
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dkm commented Dec 2, 2025

Extra commit for reindent: 6c11e02

dkm added 2 commits December 2, 2025 20:48
Reindent according to latest clang-format settings.

No functional change.

gcc/rust/ChangeLog:

	* lex/rust-lex.cc (rust_input_source_test): Reindent.

Signed-off-by: Marc Poulhiès <[email protected]>
This branch has a no-op merge as the last commit:
 - one arm is the "current" development branch from github
 - the other arm is a rebased version of the "current" master branch onto a recent GCC's master

The merge is obtained with "git merge --strategy=ours" to only keep the changes from second arm.
@dkm dkm force-pushed the gerris/rebase/2025-12-01 branch from 0171d32 to cdf4d78 Compare December 2, 2025 19:48
@dkm dkm merged commit cdf4d78 into master Dec 2, 2025
9 of 12 checks passed
@dkm dkm deleted the gerris/rebase/2025-12-01 branch December 2, 2025 20:49
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