[gcc r12-4585] Daily bump.

[gcc r12-4585] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:674dda6be01990c2def9bd7a41d53ec996e8b0ed

commit r12-4585-g674dda6be01990c2def9bd7a41d53ec996e8b0ed
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Thu Oct 21 00:16:29 2021 +0000

    Daily bump.

Diff:
---
 contrib/ChangeLog       |   4 +
 gcc/ChangeLog           | 198 ++++++++++++++++++++++++++++++++++++++
 gcc/DATESTAMP           |   2 +-
 gcc/ada/ChangeLog       | 249 ++++++++++++++++++++++++++++++++++++++++++++++++
 gcc/cp/ChangeLog        |  18 ++++
 gcc/fortran/ChangeLog   |  10 ++
 gcc/testsuite/ChangeLog | 160 +++++++++++++++++++++++++++++++
 libffi/ChangeLog        |  85 +++++++++++++++++
 libgomp/ChangeLog       |  23 +++++
 libstdc++-v3/ChangeLog  |   5 +
 10 files changed, 753 insertions(+), 1 deletion(-)

diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index c2fcf56bab2..d36e6f1bbcf 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,7 @@
+2021-10-20  H.J. Lu  <hjl.tools@gmail.com>
+
+	* gcc-changelog/git_commit.py (ignored_prefixes): Add libffi/.
+
 2021-10-18  Martin Liska  <mliska@suse.cz>
 
 	* gcc-changelog/git_commit.py: Update location of
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 01d4a86e6c6..115f32e5061 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,201 @@
+2021-10-20  Alex Coplan  <alex.coplan@arm.com>
+
+	* calls.c (initialize_argument_information): Remove some dead
+	code, remove handling for function_arg returning const_int.
+	* doc/tm.texi: Delete documentation for unused target hooks.
+	* doc/tm.texi.in: Likewise.
+	* target.def (load_bounds_for_arg): Delete.
+	(store_bounds_for_arg): Delete.
+	(load_returned_bounds): Delete.
+	(store_returned_bounds): Delete.
+	* targhooks.c (default_load_bounds_for_arg): Delete.
+	(default_store_bounds_for_arg): Delete.
+	(default_load_returned_bounds): Delete.
+	(default_store_returned_bounds): Delete.
+	* targhooks.h (default_load_bounds_for_arg): Delete.
+	(default_store_bounds_for_arg): Delete.
+	(default_load_returned_bounds): Delete.
+	(default_store_returned_bounds): Delete.
+
+2021-10-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	* doc/extend.texi (Basic Asm): Clarify that asm is not an
+	extension in C++.
+	* doc/invoke.texi (-fno-asm): Fix description for C++.
+
+2021-10-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	* doc/install.texi: Remove link to old.html
+
+2021-10-20  Tamar Christina  <tamar.christina@arm.com>
+
+	* config/aarch64/aarch64-simd.md (*aarch64_cmtst_same_<mode>): New.
+
+2021-10-20  Tamar Christina  <tamar.christina@arm.com>
+
+	* config/aarch64/aarch64-simd.md (*aarch64_narrow_trunc<mode>): New.
+
+2021-10-20  Tamar Christina  <tamar.christina@arm.com>
+
+	* config/aarch64/aarch64-simd.md (aarch64_simd_ashr<mode>): Add case cmp
+	case.
+	* config/aarch64/constraints.md (D1): New.
+
+2021-10-20  Tamar Christina  <tamar.christina@arm.com>
+
+	* config/aarch64/aarch64-simd.md
+	(*aarch64_<srn_op>topbits_shuffle<mode>_le): New.
+	(*aarch64_topbits_shuffle<mode>_le): New.
+	(*aarch64_<srn_op>topbits_shuffle<mode>_be): New.
+	(*aarch64_topbits_shuffle<mode>_be): New.
+	* config/aarch64/predicates.md
+	(aarch64_simd_shift_imm_vec_exact_top): New.
+
+2021-10-20  Tamar Christina  <tamar.christina@arm.com>
+
+	* config/aarch64/aarch64-simd.md (*aarch64_<srn_op>shrn<mode>_vect,
+	*aarch64_<srn_op>shrn<mode>2_vect_le,
+	*aarch64_<srn_op>shrn<mode>2_vect_be): New.
+	* config/aarch64/iterators.md (srn_op): New.
+
+2021-10-20  Chung-Lin Tang  <cltang@codesourcery.com>
+
+	* omp-low.c (omp_copy_decl_2): For !ctx, use record_vars to add new copy
+	as local variable.
+	(scan_sharing_clauses): Place copy of OMP_CLAUSE_IN_REDUCTION decl in
+	ctx->outer instead of ctx.
+
+2021-10-20  Martin Liska  <mliska@suse.cz>
+
+	Revert:
+	2021-10-19  Martin Liska  <mliska@suse.cz>
+
+	PR target/102374
+	* config/i386/i386-options.c (ix86_valid_target_attribute_inner_p): Strip whitespaces.
+	* system.h (strip_whilespaces): New function.
+
+2021-10-20  Martin Liska  <mliska@suse.cz>
+
+	Revert:
+	2021-10-19  Martin Liska  <mliska@suse.cz>
+
+	PR target/102375
+	* config/aarch64/aarch64.c (aarch64_process_one_target_attr):
+	Strip whitespaces.
+
+2021-10-20  Wilco Dijkstra  <wdijkstr@arm.com>
+
+	* config/aarch64/aarch64.c (aarch64_case_values_threshold):
+	Change to 8 with -Os, 11 otherwise.
+
+2021-10-20  Wilco Dijkstra  <wdijkstr@arm.com>
+
+	* config/aarch64/aarch64.c (neoversev1_tunings):
+	Enable AARCH64_EXTRA_TUNE_CHEAP_SHIFT_EXTEND.
+	(neoversen2_tunings): Likewise.
+
+2021-10-20  Wilco Dijkstra  <wdijkstr@arm.com>
+
+	PR target/100966
+	* config/aarch64/aarch64.md (frint_pattern): Update comment.
+	* config/aarch64/aarch64-simd-builtins.def: Change frintn to roundeven.
+	* config/aarch64/arm_fp16.h: Change frintn to roundeven.
+	* config/aarch64/arm_neon.h: Likewise.
+	* config/aarch64/iterators.md (frint_pattern): Use roundeven for FRINTN.
+
+2021-10-20  Martin Liska  <mliska@suse.cz>
+
+	* config/arm/arm.c (arm_unwind_emit_sequence): Do not declare
+	already declared global variable.
+	(arm_unwind_emit_set): Use out_file as function argument.
+	(arm_unwind_emit): Likewise.
+	* config/darwin.c (machopic_output_data_section_indirection): Likewise.
+	(machopic_output_stub_indirection): Likewise.
+	(machopic_output_indirection): Likewise.
+	(machopic_finish): Likewise.
+	* config/i386/i386.c (ix86_asm_output_function_label): Likewise.
+	* config/i386/winnt.c (i386_pe_seh_unwind_emit): Likewise.
+	* config/ia64/ia64.c (process_epilogue): Likewise.
+	(process_cfa_adjust_cfa): Likewise.
+	(process_cfa_register): Likewise.
+	(process_cfa_offset): Likewise.
+	(ia64_asm_unwind_emit): Likewise.
+	* config/s390/s390.c (s390_asm_output_function_label): Likewise.
+
+2021-10-20  Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
+
+	* config/aarch64/aarch64-builtins.c
+	(aarch64_general_gimple_fold_builtin):
+	lower vld1 and vst1 variants of the neon builtins
+	* config/aarch64/aarch64-protos.h:
+	(aarch64_general_gimple_fold_builtin): Add gsi parameter.
+	* config/aarch64/aarch64.c (aarch64_general_gimple_fold_builtin):
+	Likwise.
+
+2021-10-20  Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
+
+	* match.pd: Generate IFN_TRUNC.
+
+2021-10-20  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/102853
+	* tree-data-ref.c (split_constant_offset_1): Bail out
+	immediately if the expression traps on overflow.
+
+2021-10-20  Aldy Hernandez  <aldyh@redhat.com>
+
+	* tree-ssa-threadbackward.c (back_threader::~back_threader): Remove.
+
+2021-10-20  Aldy Hernandez  <aldyh@redhat.com>
+
+	* tree-ssa-threadupdate.c (back_jt_path_registry::adjust_paths_after_duplication):
+	Remove superflous debugging message.
+	(back_jt_path_registry::duplicate_thread_path): Same.
+
+2021-10-20  Aldy Hernandez  <aldyh@redhat.com>
+
+	* tree-ssa-threadbackward.c (back_threader_registry::back_threader_registry):
+	Remove.
+	(back_threader_registry::register_path): Remove m_threaded_paths.
+
+2021-10-20  Aldy Hernandez  <aldyh@redhat.com>
+
+	PR tree-optimization/102814
+	* doc/invoke.texi: Document --param=max-fsm-thread-length.
+	* params.opt: Add --param=max-fsm-thread-length.
+	* tree-ssa-threadbackward.c
+	(back_threader_profitability::profitable_path_p): Fail on paths
+	longer than max-fsm-thread-length.
+
+2021-10-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR middle-end/102764
+	* cfgexpand.c (expand_gimple_basic_block): Disregard a final debug
+	statement to reset the current location for the outgoing edges.
+
+2021-10-20  Aldy Hernandez  <aldyh@redhat.com>
+	    Richard Biener  <rguenther@suse.de>
+
+	* tree-ssa-threadupdate.c (cancel_thread): Dump threading reason
+	on the same line as the threading cancellation.
+	(jt_path_registry::cancel_invalid_paths): Avoid rotating loops.
+	Avoid threading through loop headers where the path remains in the
+	loop.
+
+2021-10-20  Siddhesh Poyarekar  <siddhesh@gotplt.org>
+
+	* tree-object-size.c (unknown): Make into a function.  Adjust
+	all uses.
+	(unknown_object_size): Simplify implementation.
+
+2021-10-20  Hongtao Liu  <hongtao.liu@intel.com>
+	    Kewen Lin  <linkw@linux.ibm.com>
+
+	* doc/sourcebuild.texi (Effective-Target Keywords): Document
+	vect_slp_v2qi_store, vect_slp_v4qi_store, vect_slp_v8qi_store,
+	vect_slp_v16qi_store, vect_slp_v2hi_store,
+	vect_slp_v4hi_store, vect_slp_v2si_store, vect_slp_v4si_store.
+
 2021-10-19  Jonathan Wakely  <jwakely@redhat.com>
 
 	* doc/extend.texi (Basic PowerPC Built-in Functions): Fix typo.
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 17461b15973..9b3296bb752 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20211020
+20211021
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index c6d856afe2a..13f349c3da1 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,252 @@
+2021-10-20  Bob Duff  <duff@adacore.com>
+
+	* gcc-interface/decl.c (gnat_to_gnu_entity): Remove unnecessary
+	call to No_Uint_To_0.
+
+2021-10-20  Richard Kenner  <kenner@adacore.com>
+
+	* exp_unst.adb (Visit_Node, when N_Subprogram_Call): Never treat
+	instrinsic subprograms as nested.
+
+2021-10-20  Yannick Moy  <moy@adacore.com>
+
+	* libgnat/s-widlllu.ads: Mark in SPARK.
+	* libgnat/s-widllu.ads: Likewise.
+	* libgnat/s-widuns.ads: Likewise.
+	* libgnat/s-widthu.adb: Add ghost code and a
+	pseudo-postcondition.
+
+2021-10-20  Yannick Moy  <moy@adacore.com>
+
+	* libgnat/a-nbnbin__ghost.adb (Signed_Conversions,
+	Unsigned_Conversions): Mark subprograms as not imported.
+	* libgnat/a-nbnbin__ghost.ads: Provide a dummy body.
+
+2021-10-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* sem_eval.adb (Eval_Type_Conversion): If the target subtype is
+	a static floating-point subtype and the result is a real literal,
+	consider its machine-rounded value to raise Constraint_Error.
+	(Test_In_Range): Turn local variables into constants.
+
+2021-10-20  Doug Rupp  <rupp@adacore.com>
+
+	* libgnat/g-io-put__vxworks.adb: Remove (unused)
+	* libgnat/s-parame__ae653.ads: Likewise.
+	* libgnat/s-thread.ads: Likewise.
+	* libgnat/s-thread__ae653.adb: Likewise.
+
+2021-10-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* sem_eval.ads (Machine_Number): New inline function.
+	* sem_eval.adb (Machine_Number): New function body implementing
+	the machine rounding operation specified by RM 4.9(38/2).
+	(Check_Non_Static_Context): Call Machine_Number and set the
+	Is_Machine_Number flag consistently on the resulting node.
+	* sem_attr.adb (Eval_Attribute) <Attribute_Machine>: Likewise.
+	* checks.adb (Apply_Float_Conversion_Check): Call Machine_Number.
+	(Round_Machine): Likewise.
+
+2021-10-20  Johannes Kliemann  <kliemann@adacore.com>
+
+	* vxworks7-cert-rtp-link.spec: Add the definition of
+	__wrs_rtp_base.
+
+2021-10-20  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_aggr.adb (Resolve_Delta_Record_Aggregate): Reject boxes in
+	record delta aggregates.
+
+2021-10-20  Justin Squirek  <squirek@adacore.com>
+
+	* sem_ch6.adb (Check_Return_Construct_Accessibility): Modify
+	generation of accessibility checks to be more consolidated and
+	get triggered properly in required cases.
+	* sem_util.adb (Accessibility_Level): Add extra check within
+	condition to handle aliased formals properly in more cases.
+
+2021-10-20  Justin Squirek  <squirek@adacore.com>
+
+	* exp_ch7.adb (Make_Final_Call): Detect expanded protected types
+	and use original protected type in order to calculate
+	appropriate finalization routine.
+
+2021-10-20  Johannes Kliemann  <kliemann@adacore.com>
+
+	* libgnat/a-nbnbin__ghost.ads: Add ghost package.
+
+2021-10-20  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_aggr.adb (Variant_Depth): Refine type from Integer to
+	Natural.
+
+2021-10-20  Bob Duff  <duff@adacore.com>
+
+	* atree.ads: Comment improvements. How is a "completely new
+	node" different from a "new node"? Document default values
+	corresponding to field types.
+	* exp_ch7.adb (Process_Tagged_Type_Declaration): Use
+	higher-level Scope_Depth instead of Scope_Depth_Value.  Remove
+	confusing comment: not clear what a "true" library level package
+	is.
+	* uintp.adb (Image_Out): Print No_Uint in a more readable way.
+	* gen_il-gen.adb, gen_il-gen-gen_entities.adb,
+	gen_il-gen-gen_nodes.adb, gen_il-types.ads: Tighten up the
+	subtypes of fields whose type is Uint, where possible; use
+	more-constrained subtypes such as Unat.
+	* einfo-utils.adb, einfo-utils.ads, exp_attr.adb,
+	exp_ch3.adb, exp_intr.adb, exp_unst.adb, exp_util.adb,
+	freeze.adb, repinfo.adb, sem.adb, sem_ch12.adb, sem_ch13.adb,
+	sem_ch3.adb, sem_ch8.adb, sem_util.adb, sprint.adb, treepr.adb:
+	No longer use Uint_0 to indicate "unknown" or "not yet known"
+	for various fields whose type is Uint. Use No_Uint for that,
+	except in a small number of legacy cases that cause test
+	failures. Protect many queries of such fields with calls to
+	Known_... functions. Improve comments.
+	* exp_aggr.adb: Likewise.
+	(Is_OK_Aggregate): Check whether Csiz is present.
+	(Aggr_Assignment_OK_For_Backend): Ensure we do not access an
+	uninitialized size.
+	* exp_strm.adb (Build_Elementary_Input_Call,
+	Build_Elementary_Write_Call): Check whether P_Size is present.
+	* cstand.adb: Leave Component_Size of Any_Composite unknown.
+	Similar for RM_Size of Standard_Exception_Type.  These should
+	not be used.
+	* einfo.ads: Comment improvements.
+	* exp_disp.ads: Minor.
+	* gen_il-internals.ads, gen_il-internals.adb: Minor.
+	* sinfo-utils.adb: Take advantage of full-coverage rules.
+	* types.h: Minor.
+
+2021-10-20  Gary Dismukes  <dismukes@adacore.com>
+
+	* sem_ch6.adb: Add with and use of Warnsw.
+	(Check_Conformance): Report a warning when subtypes or
+	designated subtypes of formal parameters or result subtypes
+	denote different declarations between the spec and body of the
+	(Subprogram_Subtypes_Have_Same_Declaration): New function nested
+	within Check_Conformance that determines whether two subtype
+	entities referenced in a subprogram come from the same
+	declaration. Returns True immediately if the subprogram is in a
+	generic instantiation, or the subprogram is marked Is_Internal
+	or is declared in an internal (GNAT library) unit, or GNAT_Mode
+	is enabled, otherwise compares the nonlimited views of the
+	entities (or their designated subtypes' nonlimited views in the
+	anonymous access cases).
+	(Nonlimited_View_Of_Subtype): New function nested within
+	function Subprogram_Subtypes_Have_Same_Declaration that returns
+	Non_Limited_View of a type or subtype that is an incomplete or
+	class-wide type that comes from a limited of a
+	package (From_Limited_With is True for the entity), or returns
+	Full_View when the nonlimited view is an incomplete type.
+	Otherwise returns the entity passed in.
+	* warnsw.ads (Warn_On_Pedantic_Checks): New warning flag.
+	(type Warning_Record): New component Warn_On_Pedantic_Checks.
+	* warnsw.adb (All_Warnings): Set Warn_On_Pedantic_Checks from
+	parameter Setting.
+	(Restore_Warnings): Restore the value of the
+	Warn_On_Pedantic_Checks flag.
+	(Save_Warnings): Save the value of the Warn_On_Pedantic_Checks
+	flag.
+	(Set_Underscore_Warning_Switch): Add settings of the
+	Warn_On_Pedantic flag according to the switch ("-gnatw_p" vs.
+	"-gnatw_P").
+	* doc/gnat_ugn/building_executable_programs_with_gnat.rst: Add
+	documentation of new switches -gnatw_p and -gnatw_P (warnings
+	for pedantic checks).
+	* gnat_ugn.texi: Regenerate.
+	* usage.adb: Add Warn_On_Pedantic_Checks.
+
+2021-10-20  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_spark.adb (Expand_SPARK_N_Attribute_Reference): Guard
+	against equality of an uninitialized RM_Size field.
+
+2021-10-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* sem_ch12.adb (Analyze_Subprogram_Instantiation): Also propagate an
+	interface name on an intrinsic subprogram.  Remove obsolete comment.
+	* libgnat/s-atopri.ads (Atomic_Load): New generic intrinsic function
+	(Atomic_Load_8): Rewrite into instantiation.
+	(Atomic_Load_16): Likewise.
+	(Atomic_Load_32): Likewise.
+	(Atomic_Load_64): Likewise.
+	(Sync_Compare_And_Swap): New generic intrinsic function.
+	(Sync_Compare_And_Swap_8): Rewrite into instantiation.
+	(Sync_Compare_And_Swap_16): Likewise.
+	(Sync_Compare_And_Swap_32): Likewise.
+	(Sync_Compare_And_Swap_64): Likewise.
+	(Lock_Free_Read): New generic inline function.
+	(Lock_Free_Read_8): Rewrite into instantiation.
+	(Lock_Free_Read_16): Likewise.
+	(Lock_Free_Read_32): Likewise.
+	(Lock_Free_Read_64): Likewise.
+	(Lock_Free_Try_Write): New generic inline function.
+	(Lock_Free_Try_Write_8): Rewrite into instantiation.
+	(Lock_Free_Try_Write_16): Likewise.
+	(Lock_Free_Try_Write_32): Likewise.
+	(Lock_Free_Try_Write_64): Likewise.
+	* libgnat/s-atopri.adb (Lock_Free_Read): New function body.
+	(Lock_Free_Read_8): Delete.
+	(Lock_Free_Read_16): Likewise.
+	(Lock_Free_Read_32): Likewise.
+	(Lock_Free_Read_64): Likewise.
+	(Lock_Free_Try_Write): New function body.
+	(Lock_Free_Try_Write_8): Delete.
+	(Lock_Free_Try_Write_16): Likewise.
+	(Lock_Free_Try_Write_32): Likewise.
+	(Lock_Free_Try_Write_64): Likewise.
+	* libgnat/s-aoinar.adb (Atomic_Fetch_And_Add): Use type-generic GCC
+	atomic builtin and tidy up implementation.
+	(Atomic_Fetch_And_Subtract): Likewise.
+	* libgnat/s-aomoar.adb (Atomic_Fetch_And_Add): Likewise.
+	(Atomic_Fetch_And_Subtract): Likewise.
+	* libgnat/s-atopex.adb (Atomic_Exchange): Likewise.
+	(Atomic_Compare_And_Exchange): Likewise.
+
+2021-10-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Subprogram_Type>:
+	Replace test on Convention_Intrinsic with Is_Intrinsic_Subprogram.
+	(gnat_to_gnu_param): Likewise.
+	(gnat_to_gnu_subprog_type): Likewise.
+	* gcc-interface/trans.c (elaborate_all_entities_for_package): Ditto.
+
+2021-10-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* sem_eval.ads (Check_Non_Static_Context): Update documentation.
+	* sem_eval.adb (In_Any_Integer_Context): Change parameter type,
+	adjust accordingly and remove unreachable case.
+	(Eval_Integer_Literal): Consider the node kind throughout and
+	trim down verbose condition.
+
+2021-10-20  Doug Rupp  <rupp@adacore.com>
+
+	* Makefile.rtl: Remove references to system-vxworks-ppc.ads
+	and system-vxworks-x86.ads.
+	* libgnat/system-vxworks-ppc.ads: Remove.
+	* libgnat/system-vxworks-ppc-ravenscar.ads: Likewise.
+	* libgnat/system-vxworks-x86.ads: Likewise.
+
+2021-10-20  Yannick Moy  <moy@adacore.com>
+
+	* sem_ch4.adb (Analyze_QUantified_Expression): Issue warning on
+	conjunct/disjunct sub-expression of the full expression inside a
+	quantified expression, when it does not reference the quantified
+	variable.
+
+2021-10-20  Marc Poulhiès  <poulhies@adacore.com>
+
+	* checks.adb (Insert_Valid_Check): in case of checked type
+	conversion, update Typ to match Exp's type and add call to
+	Analyze_And_Resolve.
+
+2021-10-20  Arnaud Charlet  <charlet@adacore.com>
+
+	PR ada/100486
+	* sem_prag.adb (Check_Valid_Library_Unit_Pragma): Do not raise an
+	exception as part of the bootstrap.
+
 2021-10-15  Richard Biener  <rguenther@suse.de>
 
 	* gcc-interface/misc.c (gnat_post_options): Do not warn
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 15419f55f2a..08ba25e194d 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,21 @@
+2021-10-20  Jason Merrill  <jason@redhat.com>
+
+	* parser.c (cp_parser_parse_and_diagnose_invalid_type_name):
+	Pass true for declarator_p.
+	(cp_parser_nested_name_specifier_opt): Only look through
+	TYPENAME_TYPE if check_dependency_p is false.
+
+2021-10-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/102642
+	* name-lookup.c (push_local_extern_decl_alias): Don't call
+	set_decl_tls_model on error_mark_node.
+	* decl.c (make_rtl_for_nonlocal_decl): Don't call
+	set_user_assembler_name on error_mark_node.
+	* parser.c (cp_parser_oacc_declare): Ignore DECL_LOCAL_DECL_ALIAS
+	if it is error_mark_node.
+	(cp_parser_omp_declare_target): Likewise.
+
 2021-10-19  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/102786
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index d80ac05ac86..f75b880dabd 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,13 @@
+2021-10-20  Chung-Lin Tang  <cltang@codesourcery.com>
+
+	* openmp.c (gfc_match_omp_clause_reduction): Add 'openmp_target' default
+	false parameter. Add 'always,tofrom' map for OMP_LIST_IN_REDUCTION case.
+	(gfc_match_omp_clauses): Add 'openmp_target' default false parameter,
+	adjust call to gfc_match_omp_clause_reduction.
+	(match_omp): Adjust call to gfc_match_omp_clauses
+	* trans-openmp.c (gfc_trans_omp_taskgroup): Add call to
+	gfc_match_omp_clause, create and return block.
+
 2021-10-19  Tobias Burnus  <tobias@codesourcery.com>
 
 	* trans-types.c (create_fn_spec): For allocatable/pointer
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index dc42e4aac62..602b727f1a5 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,163 @@
+2021-10-20  Tamar Christina  <tamar.christina@arm.com>
+
+	* gcc.target/aarch64/mvn-cmeq0-1.c: New test.
+
+2021-10-20  Tamar Christina  <tamar.christina@arm.com>
+
+	* gcc.target/aarch64/narrow_high_combine.c: Update case.
+	* gcc.target/aarch64/xtn-combine-1.c: New test.
+	* gcc.target/aarch64/xtn-combine-2.c: New test.
+	* gcc.target/aarch64/xtn-combine-3.c: New test.
+	* gcc.target/aarch64/xtn-combine-4.c: New test.
+	* gcc.target/aarch64/xtn-combine-5.c: New test.
+	* gcc.target/aarch64/xtn-combine-6.c: New test.
+
+2021-10-20  Tamar Christina  <tamar.christina@arm.com>
+
+	* gcc.target/aarch64/shl-combine-2.c: New test.
+	* gcc.target/aarch64/shl-combine-3.c: New test.
+	* gcc.target/aarch64/shl-combine-4.c: New test.
+	* gcc.target/aarch64/shl-combine-5.c: New test.
+
+2021-10-20  Tamar Christina  <tamar.christina@arm.com>
+
+	* gcc.target/aarch64/shrn-combine-10.c: New test.
+	* gcc.target/aarch64/shrn-combine-5.c: New test.
+	* gcc.target/aarch64/shrn-combine-6.c: New test.
+	* gcc.target/aarch64/shrn-combine-7.c: New test.
+	* gcc.target/aarch64/shrn-combine-8.c: New test.
+	* gcc.target/aarch64/shrn-combine-9.c: New test.
+
+2021-10-20  Tamar Christina  <tamar.christina@arm.com>
+
+	* gcc.target/aarch64/shrn-combine-1.c: New test.
+	* gcc.target/aarch64/shrn-combine-2.c: New test.
+	* gcc.target/aarch64/shrn-combine-3.c: New test.
+	* gcc.target/aarch64/shrn-combine-4.c: New test.
+
+2021-10-20  Chung-Lin Tang  <cltang@codesourcery.com>
+
+	* gfortran.dg/gomp/reduction4.f90: Adjust omp target in_reduction' scan
+	pattern.
+
+2021-10-20  Martin Liska  <mliska@suse.cz>
+
+	Revert:
+	2021-10-20  Martin Liska  <mliska@suse.cz>
+
+	PR target/102374
+	* gcc.target/i386/pr102374.c: New test.
+
+2021-10-20  Martin Liska  <mliska@suse.cz>
+
+	Revert:
+	2021-10-20  Martin Liska  <mliska@suse.cz>
+
+	PR target/102375
+	* gcc.target/aarch64/pr102375.c: New test.
+
+2021-10-20  Wilco Dijkstra  <wdijkstr@arm.com>
+
+	PR target/100966
+	* gcc.target/aarch64/frint.x: Add roundeven tests.
+	* gcc.target/aarch64/frint_double.c: Likewise.
+	* gcc.target/aarch64/frint_float.c: Likewise.
+
+2021-10-20  Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
+
+	* gcc.target/aarch64/fmla_intrinsic_1.c: prevent over optimization.
+	* gcc.target/aarch64/fmls_intrinsic_1.c: Likewise.
+	* gcc.target/aarch64/fmul_intrinsic_1.c: Likewise.
+	* gcc.target/aarch64/mla_intrinsic_1.c: Likewise.
+	* gcc.target/aarch64/mls_intrinsic_1.c: Likewise.
+	* gcc.target/aarch64/mul_intrinsic_1.c: Likewise.
+	* gcc.target/aarch64/simd/vmul_elem_1.c: Likewise.
+	* gcc.target/aarch64/vclz.c: Likewise.
+	* gcc.target/aarch64/vneg_s.c: Likewise.
+
+2021-10-20  Andre Simoes Dias Vieira  <andre.simoesdiasvieira@arm.com>
+
+	* gcc.target/aarch64/merge_trunc1.c: New test.
+
+2021-10-20  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc.dg/pr102764.c: New test.
+
+2021-10-20  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR fortran/102815
+	* gfortran.dg/bind-c-contiguous-5.c (do_call, reset_var): Handle
+	big andian.
+
+2021-10-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/102642
+	* g++.dg/tls/pr102642.C: New test.
+
+2021-10-20  Aldy Hernandez  <aldyh@redhat.com>
+	    Richard Biener  <rguenther@suse.de>
+
+	* gcc.dg/Warray-bounds-87.c: Remove xfail.
+	* gcc.dg/analyzer/pr94851-2.c: Remove xfail.
+	* gcc.dg/graphite/pr69728.c: Remove xfail.
+	* gcc.dg/graphite/scop-dsyr2k.c: Remove xfail.
+	* gcc.dg/graphite/scop-dsyrk.c: Remove xfail.
+	* gcc.dg/shrink-wrap-loop.c: Remove xfail.
+	* gcc.dg/loop-8.c: Adjust for new threading restrictions.
+	* gcc.dg/tree-ssa/ifc-20040816-1.c: Same.
+	* gcc.dg/tree-ssa/pr21559.c: Same.
+	* gcc.dg/tree-ssa/pr59597.c: Same.
+	* gcc.dg/tree-ssa/pr71437.c: Same.
+	* gcc.dg/tree-ssa/pr77445-2.c: Same.
+	* gcc.dg/tree-ssa/ssa-dom-thread-4.c: Same.
+	* gcc.dg/tree-ssa/ssa-dom-thread-7.c: Same.
+	* gcc.dg/vect/bb-slp-16.c: Same.
+	* gcc.dg/tree-ssa/ssa-dom-thread-6.c: Remove.
+	* gcc.dg/tree-ssa/ssa-dom-thread-18.c: Remove.
+	* gcc.dg/tree-ssa/ssa-dom-thread-2a.c: Remove.
+	* gcc.dg/tree-ssa/ssa-thread-invalid.c: New test.
+
+2021-10-20  Jeff Law  <jeffreyalaw@gmail.com>
+
+	* gcc.dg/plugin/gil-1.c: Add dg-require-effective-target marker.
+
+2021-10-20  Hongtao Liu  <hongtao.liu@intel.com>
+	    Kewen Lin  <linkw@linux.ibm.com>
+
+	PR middle-end/102722
+	PR middle-end/102697
+	PR middle-end/102462
+	PR middle-end/102706
+	PR middle-end/102744
+	* c-c++-common/Wstringop-overflow-2.c: Adjust testcase with new
+	xfail/target selector.
+	* gcc.dg/Warray-bounds-51.c: Ditto.
+	* gcc.dg/Warray-parameter-3.c: Ditto.
+	* gcc.dg/Wstringop-overflow-14.c: Ditto.
+	* gcc.dg/Wstringop-overflow-21.c: Ditto.
+	* gcc.dg/Wstringop-overflow-68.c: Ditto.
+	* gcc.dg/Wstringop-overflow-76.c: Ditto.
+	* gcc.dg/Warray-bounds-48.c: Ditto.
+	* gcc.dg/Wzero-length-array-bounds-2.c: Ditto.
+	* lib/target-supports.exp (check_vect_slp_aligned_store_usage):
+	New function.
+	(check_effective_target_vect_slp_v2qi_store): Ditto.
+	(check_effective_target_vect_slp_v4qi_store): Ditto.
+	(check_effective_target_vect_slp_v8qi_store): Ditto.
+	(check_effective_target_vect_slp_v16qi_store): Ditto.
+	(check_effective_target_vect_slp_v2hi_store): Ditto.
+	(check_effective_target_vect_slp_v4hi_store): Ditto.
+	(check_effective_target_vect_slp_v2si_store): Ditto.
+	(check_effective_target_vect_slp_v4si_store): Ditto.
+	* c-c++-common/Wstringop-overflow-2-novec.c: New test.
+	* gcc.dg/Warray-bounds-51-novec.c: New test.
+	* gcc.dg/Warray-bounds-48-novec.c: New test.
+	* gcc.dg/Warray-parameter-3-novec.c: New test.
+	* gcc.dg/Wstringop-overflow-14-novec.c: New test.
+	* gcc.dg/Wstringop-overflow-21-novec.c: New test.
+	* gcc.dg/Wstringop-overflow-76-novec.c: New test.
+	* gcc.dg/Wzero-length-array-bounds-2-novec.c: New test.
+
 2021-10-19  Paul A. Clarke  <pc@us.ibm.com>
 
 	* gcc.target/powerpc/sse4_2-pcmpgtq.c: Tighten dg constraints
diff --git a/libffi/ChangeLog b/libffi/ChangeLog
index 1048153e2c8..e8fe0e0cba3 100644
--- a/libffi/ChangeLog
+++ b/libffi/ChangeLog
@@ -1,3 +1,88 @@
+2021-10-20  H.J. Lu  <hjl.tools@gmail.com>
+
+	* LOCAL_PATCHES: New file.
+
+2021-10-20  H.J. Lu  <hjl.tools@gmail.com>
+
+	* testsuite/lib/libffi.exp (load_gcc_lib): Load library from GCC
+	testsuite.
+	Load target-supports.exp and target-supports-dg.exp.
+	(libffi-init): Use libraries in GCC build tree.
+	(libffi_target_compile): Link with -shared-libgcc -lstdc++ for
+	C++ sources.
+
+2021-10-20  H.J. Lu  <hjl.tools@gmail.com>
+
+	* Makefile.am (AUTOMAKE_OPTIONS): Add info-in-builddir.
+	(ACLOCAL_AMFLAGS): Set to -I .. -I ../config.
+	(SUBDIRS): Don't add doc.
+	(TEXINFO_TEX): New.
+	(MAKEINFOFLAGS): Likewise.
+	(info_TEXINFOS): Likewise.
+	(STAMP_GENINSRC): Likewise.
+	(STAMP_BUILD_INFO): Likewise.
+	(all-local): Likewise.
+	(stamp-geninsrc): Likewise.
+	(doc/libffi.info): Likewise.
+	(stamp-build-info:): Likewise.
+	(CLEANFILES): Likewise.
+	(MAINTAINERCLEANFILES): Likewise.
+	(AM_MAKEFLAGS): Likewise.
+	(all-recursive): Likewise.
+	(install-recursive): Likewise.
+	(mostlyclean-recursive): Likewise.
+	(clean-recursive): Likewise.
+	(distclean-recursive): Likewise.
+	(maintainer-clean-recursive): Likewise.
+	(LTLDFLAGS): Replace libtool-ldflags with ../libtool-ldflags.
+	(AM_CFLAGS): Add -g -fexceptions.
+	(libffi.map-sun): Replace make_sunver.pl with
+	../contrib/make_sunver.pl.
+	(dist-hook): Removed.
+	Include $(top_srcdir)/../multilib.am.
+	* configure.ac: Add AM_ENABLE_MULTILIB.
+	Remove the frv*-elf check.
+	(AX_ENABLE_BUILDDIR): Removed.
+	(AM_INIT_AUTOMAKE): Add [no-dist].
+	Add --enable-generated-files-in-srcdir.
+	(C_CONFIG_MACRO_DIR): Removed.
+	(AX_COMPILER_VENDOR): Likewise.
+	(AX_CC_MAXOPT): Likewise.
+	(AX_CFLAGS_WARN_ALL): Likewise.
+	Remove the GCC check.
+	(SYMBOL_UNDERSCORE): Removed.
+	(AX_CHECK_COMPILE_FLAG): Likewise.
+	Remove --disable-docs.
+	(ACX_CHECK_PROG_VER): Check makeinfo.
+	(BUILD_DOCS): Updated.
+	(exec-static-tramp): Don't enable use of static exec trampolines
+	by default.
+	Remove --disable-multi-os-directory.
+	(GCC_WITH_TOOLEXECLIBDIR): New.
+	Support cross host.
+	Support --enable-multilib.
+	* include/Makefile.am (nodist_include_HEADERS): Removed.
+	(gcc_version): New.
+	(toollibffidir): Likewise.
+	(toollibffi_HEADERS): Likewise.
+	* Makefile.in: Regenerate.
+	(GCC_BASE_VER): New.
+	(AC_CONFIG_FILES): Remove doc/Makefile.
+	(AC_CONFIG_LINKS): New.
+	* aclocal.m4: Likewise.
+	* configure: Likewise.
+	* fficonfig.h.in: Likewise.
+	* mdate-sh: Likewise.
+	* include/Makefile.in: Likewise.
+	* man/Makefile.in: Likewise.
+	* testsuite/Makefile.in: Likewise.
+
+2021-10-20  H.J. Lu  <hjl.tools@gmail.com>
+
+	* HOWTO_MERGE: New file.
+	* autogen.sh: Likewise.
+	* merge.sh: Likewise.
+
 2021-08-30  YunQiang Su  <yunqiang.su@cipunited.com>
 
 	PR libffi/83636
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 8a616fdfdc6..50d14b32a3c 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,26 @@
+2021-10-20  Chung-Lin Tang  <cltang@codesourcery.com>
+
+	* testsuite/libgomp.fortran/target-in-reduction-1.f90: New test.
+	* testsuite/libgomp.fortran/target-in-reduction-2.f90: New test.
+
+2021-10-20  Jakub Jelinek  <jakub@redhat.com>
+
+	PR libgomp/102838
+	* libgomp.h (struct gomp_work_share_1st_cacheline): New type.
+	(struct gomp_work_share): Only use aligned(64) attribute if
+	GOMP_HAVE_EFFICIENT_ALIGNED_ALLOC is defined, otherwise just
+	add padding before lock to ensure lock is at offset 64 bytes
+	into the structure.
+	(gomp_workshare_struct_check1, gomp_workshare_struct_check2):
+	New poor man's static assertions.
+	* work.c (gomp_work_share_start): Use gomp_aligned_alloc instead of
+	gomp_malloc if GOMP_HAVE_EFFICIENT_ALIGNED_ALLOC.
+
+2021-10-20  Aldy Hernandez  <aldyh@redhat.com>
+	    Richard Biener  <rguenther@suse.de>
+
+	* testsuite/libgomp.graphite/force-parallel-5.c: Remove xfail.
+
 2021-10-18  Jakub Jelinek  <jakub@redhat.com>
 
 	* config/linux/affinity.c (gomp_affinity_init_numa_domains): Add
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 92cb6d0c03c..3aa8a53366a 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2021-10-20  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/20_util/optional/monadic/transform.cc: Check that
+	an rvalue result is not materialized too soon.
+
 2021-10-19  Patrick Palka  <ppalka@redhat.com>
 
 	* include/std/ranges (iota_view::_Iterator::operator+): Adjust