[gcc r12-4332] Daily bump.

[gcc r12-4332] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:732d7638479295546db3ee4da00a08faef97232d

commit r12-4332-g732d7638479295546db3ee4da00a08faef97232d
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Tue Oct 12 00:17:02 2021 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 115 ++++++++++++++++++++
 gcc/DATESTAMP           |   2 +-
 gcc/ada/ChangeLog       | 273 ++++++++++++++++++++++++++++++++++++++++++++++++
 gcc/objcp/ChangeLog     |   5 +
 gcc/testsuite/ChangeLog |  37 +++++++
 libgomp/ChangeLog       |  38 +++++++
 libstdc++-v3/ChangeLog  |  39 +++++++
 7 files changed, 508 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 604baf73f74..b0890821660 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,118 @@
+2021-10-11  Jan Hubicka  <hubicka@ucw.cz>
+
+	* ipa-modref-tree.h (struct modref_access_node): Revert
+	accidental change.
+	(struct modref_ref_node): Likewise.
+
+2021-10-11  Jan Hubicka  <hubicka@ucw.cz>
+
+	* ipa-modref-tree.h (modref_tree::global_access_p): New member
+	function.
+	* ipa-modref.c:
+	(implicint_const_eaf_flags,implicit_pure_eaf_flags,
+	ignore_stores_eaf_flags): Move to ipa-modref.h
+	(remove_useless_eaf_flags): Remove early exit on NOCLOBBER.
+	(modref_summary::global_memory_read_p): New member function.
+	(modref_summary::global_memory_written_p): New member function.
+	* ipa-modref.h (modref_summary::global_memory_read_p,
+	modref_summary::global_memory_written_p): Declare.
+	(implicint_const_eaf_flags,implicit_pure_eaf_flags,
+	ignore_stores_eaf_flags): move here.
+	* tree-ssa-structalias.c: Include ipa-modref-tree.h, ipa-modref.h
+	and attr-fnspec.h.
+	(handle_rhs_call): Rewrite.
+	(handle_call_arg): New function.
+	(determine_global_memory_access): New function.
+	(handle_const_call): Remove
+	(handle_pure_call): Remove
+	(find_func_aliases_for_call): Update use of handle_rhs_call.
+	(compute_points_to_sets): Handle global memory acccesses
+	selectively
+
+2021-10-11  Diane Meirowitz  <diane.meirowitz@oracle.com>
+
+	* doc/invoke.texi: Add link to UndefinedBehaviorSanitizer
+	documentation, mention UBSAN_OPTIONS, similar to what is done
+	for AddressSanitizer.
+
+2021-10-11  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/102683
+	* internal-fn.c (expand_DEFERRED_INIT): Check for mode
+	availability before building an integer type for storage
+	purposes.
+
+2021-10-11  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/101480
+	* gimple.c (gimple_call_fnspec): Do not mark operator new/delete
+	as const.
+
+2021-10-11  Martin Liska  <mliska@suse.cz>
+
+	* common.opt: Remove Init(2) for some options.
+	* toplev.c (process_options): Do not use AUTODETECT_VALUE, but
+	use rather OPTION_SET_P.
+
+2021-10-11  Martin Liska  <mliska@suse.cz>
+
+	* common.opt: Remove usage of IRA_REGION_AUTODETECT.
+	* flag-types.h (enum ira_region): Likewise.
+	* toplev.c (process_options): Use OPTION_SET_P instead of
+	IRA_REGION_AUTODETECT.
+
+2021-10-11  Jakub Jelinek  <jakub@redhat.com>
+
+	* omp-low.c (omp_runtime_api_call): Handle omp_get_max_teams,
+	omp_[sg]et_teams_thread_limit and omp_set_num_teams.
+
+2021-10-11  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>
+
+	* config/s390/s390-protos.h (s390_rawmemchr): Add prototype.
+	* config/s390/s390.c (s390_rawmemchr): New function.
+	* config/s390/s390.md (rawmemchr<SINT:mode>): New expander.
+	* config/s390/vector.md (@vec_vfees<mode>): Basically a copy of
+	the pattern vfees<mode> from vx-builtins.md.
+	* config/s390/vx-builtins.md (*vfees<mode>): Remove.
+
+2021-10-11  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>
+
+	* builtins.c (get_memory_rtx): Change to external linkage.
+	* builtins.h (get_memory_rtx): Add function prototype.
+	* doc/md.texi (rawmemchr<mode>): Document.
+	* internal-fn.c (expand_RAWMEMCHR): Define.
+	* internal-fn.def (RAWMEMCHR): Add.
+	* optabs.def (rawmemchr_optab): Add.
+	* tree-loop-distribution.c (find_single_drs): Change return code
+	behaviour by also returning true if no single store was found
+	but a single load.
+	(loop_distribution::classify_partition): Respect the new return
+	code behaviour of function find_single_drs.
+	(loop_distribution::execute): Call new function
+	transform_reduction_loop in order to replace rawmemchr or strlen
+	like loops by calls into builtins.
+	(generate_reduction_builtin_1): New function.
+	(generate_rawmemchr_builtin): New function.
+	(generate_strlen_builtin_1): New function.
+	(generate_strlen_builtin): New function.
+	(generate_strlen_builtin_using_rawmemchr): New function.
+	(reduction_var_overflows_first): New function.
+	(determine_reduction_stmt_1): New function.
+	(determine_reduction_stmt): New function.
+	(loop_distribution::transform_reduction_loop): New function.
+
+2021-10-11  Martin Liska  <mliska@suse.cz>
+
+	* tree.c (cl_option_hasher::hash): Use cl_optimization_hash
+	and remove legacy hashing code.
+
+2021-10-11  Kito Cheng  <kito.cheng@sifive.com>
+
+	PR target/100316
+	* builtins.c (maybe_emit_call_builtin___clear_cache): Allow
+	CONST_INT for BEGIN and END, and use gcc_assert rather than
+	error.
+
 2021-10-10  Jakub Jelinek  <jakub@redhat.com>
 
 	PR debug/102441
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 5c35523c109..ec9b4b5ab32 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20211011
+20211012
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index d712fb7fa95..421b9b4d9d6 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,276 @@
+2021-10-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc-interface/gigi.h (resolve_atomic_size): Declare.
+	(list_third): New inline function.
+	* gcc-interface/decl.c (type_for_atomic_builtin_p): New function.
+	(resolve_atomic_builtin): Likewise.
+	(gnat_to_gnu_subprog_type): Perform type resolution for most of
+	type-generic GCC atomic builtins and give an error for the rest.
+	* gcc-interface/utils2.c (resolve_atomic_size): Make public.
+
+2021-10-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc-interface/trans.c (gnat_to_gnu) <N_Pop_Constraint_Error_Label>:
+	Given the warning only if No_Exception_Propagation is active.
+	<N_Pop_Storage_Error_Label>: Likewise.
+	<N_Pop_Program_Error_Label>: Likewise.
+
+2021-10-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc-interface/decl.c (promote_object_alignment): Add GNU_SIZE
+	parameter and use it for the size of the object if not null.
+	(gnat_to_gnu_entity) <E_Variable>: Perform the automatic alignment
+	promotion for objects whose nominal subtype is of variable size.
+	(gnat_to_gnu_field): Adjust call to promote_object_alignment.
+
+2021-10-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc-interface/decl.c (gnat_to_gnu_param): Strip padding types
+	only if the size does not change in the process.  Rename local
+	variable and add bypass for initialization procedures.
+
+2021-10-11  Doug Rupp  <rupp@adacore.com>
+
+	* libgnat/s-thread.ads: Fix comments.  Remove unused package
+	imports.
+	(Thread_Body_Exception_Exit): Remove Exception_Occurrence
+	parameter.
+	(ATSD): Declare type locally.
+	* libgnat/s-thread__ae653.adb: Fix comments.  Remove unused
+	package imports.  Remove package references to Stack_Limit
+	checking.
+	(Install_Handler): Remove.
+	(Set_Sec_Stack): Likewise.
+	(Thread_Body_Enter): Remove calls to Install_Handler and
+	Stack_Limit checking.
+	(Thread_Body_Exception_Exit): Remove Exception_Occurrence
+	parameter.
+	(Init_RTS): Call local Get_Sec_Stack.  Remove call to
+	Install_Handler.  Remove references to accessors for
+	Get_Sec_Stack and Set_Sec_Stack.  Remove OS check.
+	(Set_Sec_Stack): Remove.
+
+2021-10-11  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_ch3.adb (Make_Predefined_Primitive_Specs,
+	Predefined_Primitive_Bodies): Remove guard with restriction
+	No_Dispatching_Calls.
+
+2021-10-11  Steve Baird  <baird@adacore.com>
+
+	* sem_attr.adb (Analyze_Attribute_Old_Result): Permit an
+	attribute reference inside a compiler-generated _Postconditions
+	procedure. In this case, Subp_Decl is assigned the declaration
+	of the enclosing subprogram.
+	* exp_util.adb (Insert_Actions): When climbing up the tree
+	looking for an insertion point, do not climb past an
+	N_Iterated_Component/Element_Association, since this could
+	result in inserting a reference to a loop parameter at a
+	location outside of the scope of that loop parameter. On the
+	other hand, be careful to preserve existing behavior in the case
+	of an N_Component_Association node.
+
+2021-10-11  Steve Baird  <baird@adacore.com>
+
+	* exp_ch6.adb (Can_Fold_Predicate_Call): Do not attempt folding
+	if there is more than one predicate involved. Recall that
+	predicate aspect specification are additive, not overriding, and
+	that there are three different predicate
+	aspects (Dynamic_Predicate, Static_Predicate, and the
+	GNAT-defined Predicate aspect). These various ways of
+	introducing multiple predicates are all checked for.  A new
+	nested function, Augments_Other_Dynamic_Predicate, is
+	introduced.
+	* sem_ch4.adb
+	(Analyze_Indexed_Component_Form.Process_Function_Call): When
+	determining whether a name like "X (Some_Discrete_Type)" might
+	be interpreted as a slice, the answer should be "no" if the
+	type/subtype name denotes the current instance of type/subtype.
+
+2021-10-11  Patrick Bernardi  <bernardi@adacore.com>
+
+	* libgnarl/s-osinte__rtems.ads: Change sigset_t to an unsigned
+	long.
+
+2021-10-11  Patrick Bernardi  <bernardi@adacore.com>
+
+	* libgnat/s-parame__rtems.adb: use
+	_POSIX_Threads_Minimum_stack_size instead of
+	ada_pthread_minimum_stack_size.
+
+2021-10-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* fe.h (No_Exception_Propagation_Active): Declare.
+	* restrict.ads (No_Exception_Propagation_Active): Add WARNING line.
+
+2021-10-11  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_ch13.adb (Validate_Unchecked_Conversion): Simplify code
+	for detecting conversions with Ada.Calendar.Time type and extend
+	it to similar types in the Ada.Real_Time package.
+
+2021-10-11  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_ch10.adb, sem_prag.adb, sem_util.adb: Use
+	N_Generic_Declaration in membership tests.
+
+2021-10-11  Etienne Servais  <servais@adacore.com>
+
+	* ali.adb (Get_Name): Ignore_Spaces is always False.
+	* bindo-graphs.adb (Set_Is_Existing_Source_Target_Relation): Val
+	is always True.
+	* cstand.adb (New_Standard_Entity): New_Node_Kind is always
+	N_Defininig_Identifier.
+	* exp_ch3.adb (Predef_Stream_Attr_Spec): For_Body is always
+	False.
+	* exp_dist.adb (Add_Parameter_To_NVList): RACW_Ctrl is always
+	False.
+	* gnatls.adb (Add_Directories): Prepend is always False.
+	* sem_ch10.adb, sem_ch10.ads (Load_Needed_Body): Do_Analyze is
+	always True.
+	* sem_ch3.adb, sem_ch3.ads (Process_Range_Expr_In_Decl):
+	R_Check_Off is always False.
+	* sem_elab.adb: (Info_Variable_Reference): Info_Msg is always
+	False, In_SPARK is always True.
+	(Set_Is_Traversed_Body, Set_Is_Saved_Construct,
+	Set_Is_Saved_Relation): Val is always True.
+	* treepr.adb (Visit_Descendant): No_Indent is always False.
+	(Print_Node): Fmt does not need such a big scope.
+
+2021-10-11  Etienne Servais  <servais@adacore.com>
+
+	* sem_ch4.adb (Analyze_Membership_Op): Finds interpretation for
+	the case of a membership test with a singleton value in case of
+	overloading.
+
+2021-10-11  Patrick Bernardi  <bernardi@adacore.com>
+
+	* Makefile.rtl (VxWorks): Rename s-inmaop__vxworks.adb to
+	s-inmaop__hwint.adb.
+	(RTEMS): Use s-inmaop__hwint.adb, s-intman__rtems.adb/s,
+	s-taprop__rtems.adb.
+	* libgnarl/a-intnam__rtems.ads: Remove signals definitions and
+	replace with Hardware_Interrupts.
+	* libgnarl/s-inmaop__vxworks.adb: Rename as...
+	* libgnarl/s-inmaop__hwint.adb: ... this.
+	* libgnarl/s-interr__hwint.adb: Remove unnecessary comments.
+	* libgnarl/s-intman__rtems.ads, libgnarl/s-intman__rtems.adb:
+	New files.
+	* libgnarl/s-osinte__rtems.adb: Add RTEMS API bindings.
+	(Binary_Semaphore_Create, Binary_Semaphore_Delete,
+	Binary_Semaphore_Obtain, Binary_Semaphore_Release,
+	Binary_Semaphore_Flush, Interrupt_Connect,
+	Interrupt_Number_To_Vector): New functions.
+	* libgnarl/s-osinte__rtems.ads (Num_HW_Interrupts, Signal):
+	Removed.
+	(NSIG, Interrupt_Range): New.
+	(Binary_Semaphore_Create, Binary_Semaphore_Delete,
+	Binary_Semaphore_Obtain, Binary_Semaphore_Release,
+	Binary_Semaphore_Flush, Interrupt_Connect,
+	Interrupt_Number_To_Vector): Remove Import pragma.
+	* libgnarl/s-taprop__rtems.adb: New file.
+
+2021-10-11  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* exp_fixd.adb (Get_Size_For_Value): New function returning a size
+	suitable for a non-negative integer value.
+	(Get_Type_For_Size): New function returning a standard type suitable
+	for a size.
+	(Build_Divide): Call both functions to compute the result type, but
+	make sure to pass a non-negative value to the first.
+	(Build_Multiply): Likewise.
+	(Do_Multiply_Fixed_Universal): Minor consistency tweak.
+	(Integer_Literal): Call both functions to compute the type.
+
+2021-10-11  Etienne Servais  <servais@adacore.com>
+
+	* sem_ch4.adb (Analyze_Membership_Op): Reorder subprogram spec
+	and bodies in alphabetical order.
+
+2021-10-11  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_util.adb (Build_Class_Wide_Expression): Replace entities
+	of both simple and extended names.
+
+2021-10-11  Ghjuvan Lacambre  <lacambre@adacore.com>
+
+	* libgnarl/s-intman__android.adb, libgnarl/s-intman__lynxos.adb,
+	libgnarl/s-intman__posix.adb, libgnarl/s-intman__qnx.adb,
+	libgnarl/s-intman__solaris.adb, libgnarl/s-intman__susv3.adb,
+	libgnarl/s-taprob.adb, libgnarl/s-taprop__hpux-dce.adb,
+	libgnarl/s-taprop__linux.adb, libgnarl/s-taprop__mingw.adb,
+	libgnarl/s-taprop__posix.adb, libgnarl/s-taprop__qnx.adb,
+	libgnarl/s-taprop__solaris.adb, libgnarl/s-taprop__vxworks.adb,
+	libgnarl/s-taskin.adb, libgnarl/s-tasque.adb,
+	libgnarl/s-tpoben.adb, libgnat/a-calend.adb,
+	libgnat/a-excach.adb, libgnat/a-except.adb, libgnat/a-tags.adb,
+	libgnat/a-textio.adb, libgnat/a-witeio.adb,
+	libgnat/a-ztexio.adb, libgnat/g-binenv.adb,
+	libgnat/s-parame.adb, libgnat/s-parame__vxworks.adb,
+	libgnat/s-stratt.adb, libgnat/s-trasym__dwarf.adb: Mark imported
+	binder globals as constant.
+
+2021-10-11  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_aggr.adb (Initialize_Record_Component): Add assertion
+	about one of the parameters, so that illegal attempts to
+	initialize record components with Empty node are detected early
+	on.
+	(Build_Record_Aggr_Code): Handle boxes in aggregate component
+	associations just the components with no initialization in
+	Build_Record_Init_Proc.
+	* sem_aggr.adb (Resolve_Record_Aggregate): For components that
+	require simple initialization carry boxes from resolution to
+	expansion.
+	* sem_util.adb (Needs_Simple_Initialization): Remove redundant
+	paren.
+
+2021-10-11  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_ch3.adb (Build_Init_Statements): Simplify detection of
+	concurrent record types.
+
+2021-10-11  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_aggr.adb (Is_Delayed_Aggregate): Simplify.
+
+2021-10-11  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_aggr.adb (Has_Default_Init_Comps): Simplify.
+
+2021-10-11  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_aggr.adb (Component_OK_For_Backend): Remove redundant
+	guard.
+
+2021-10-11  Patrick Bernardi  <bernardi@adacore.com>
+
+	* Makefile.rtl (RTEMS): Add s-stchop.o to
+	EXTRA_GNATRTL_NONTASKING_OBJS, remove s-stchop__rtems.adb.
+	* libgnat/s-stchop__rtems.adb: Removed.
+
+2021-10-11  Marc Poulhiès  <poulhies@adacore.com>
+
+	* expander.adb (Expand): Skip clearing of Analyzed flag if
+	already set for N_Real_Literal.
+
+2021-10-11  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_util.adb (Compile_Time_Constraint_Error): Simplify getting
+	the type of the first formal parameter.
+
+2021-10-11  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_util.adb (Inside_Init_Proc): Simplify.
+	* sem_aggr.adb (Resolve_Record_Aggregate): Fix style.
+	* sem_util.adb (Compile_Time_Constraint_Error): Guard against
+	calling Corresponding_Concurrent_Type with an array type entity.
+
+2021-10-11  Doug Rupp  <rupp@adacore.com>
+
+	* libgnat/s-parame__ae653.ads (time_t_bits): Change to
+	Long_Long_Integer'Size.  Add some comments to explain.
+
 2021-10-08  Martin Liska  <mliska@suse.cz>
 
 	* gcc-interface/misc.c (gnat_post_options): Use new macro
diff --git a/gcc/objcp/ChangeLog b/gcc/objcp/ChangeLog
index 5d6187b2a5c..c5d402c23e2 100644
--- a/gcc/objcp/ChangeLog
+++ b/gcc/objcp/ChangeLog
@@ -1,3 +1,8 @@
+2021-10-11  Eric Gallager  <egallager@gcc.gnu.org>
+
+	PR objc++/56604
+	* Make-lang.in: Add obj-c++.srcman: line.
+
 2021-06-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 
 	* Make-lang.in (cc1objplus-checksum.c): Check previous
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d7d98984aba..502af71e984 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,40 @@
+2021-10-11  Jan Hubicka  <hubicka@ucw.cz>
+
+	* gcc.dg/torture/ssa-pta-fn-1.c: Fix template; add noipa.
+	* gcc.dg/tree-ssa/pta-callused.c: Fix template.
+
+2021-10-11  Patrick Palka  <ppalka@redhat.com>
+
+	PR c++/102643
+	* g++.dg/cpp2a/class-deduction-alias11.C: New test.
+
+2021-10-11  Richard Biener  <rguenther@suse.de>
+
+	PR middle-end/101480
+	* g++.dg/torture/pr10148.C: New testcase.
+
+2021-10-11  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>
+
+	* gcc.target/s390/rawmemchr-1.c: New test.
+
+2021-10-11  Stefan Schulze Frielinghaus  <stefansf@linux.ibm.com>
+
+	* gcc.dg/tree-ssa/ldist-rawmemchr-1.c: New test.
+	* gcc.dg/tree-ssa/ldist-rawmemchr-2.c: New test.
+	* gcc.dg/tree-ssa/ldist-strlen-1.c: New test.
+	* gcc.dg/tree-ssa/ldist-strlen-2.c: New test.
+	* gcc.dg/tree-ssa/ldist-strlen-3.c: New test.
+
+2021-10-11  Kito Cheng  <kito.cheng@sifive.com>
+
+	PR target/100316
+	* gcc.c-torture/compile/pr100316.c: New.
+
+2021-10-11  liuhongt  <hongtao.liu@intel.com>
+
+	PR middle-end/102669
+	* gnat.dg/unroll1.adb: Add -fno-tree-vectorize.
+
 2021-10-10  Harald Anlauf  <anlauf@gmx.de>
 
 	PR fortran/99348
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 300d2e4368c..10a05f6970c 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,41 @@
+2021-10-11  Marcel Vollweiler  <marcel@codesourcery.com>
+
+	* allocator.c (omp_init_allocator): Replace omp_atv_sequential with
+	omp_atv_serialized.
+	* omp.h.in: Add deprecated flag for omp_atv_sequential.
+	* omp_lib.f90.in: Add deprecated flag for omp_atv_sequential.
+	* testsuite/libgomp.c-c++-common/alloc-10.c: New test.
+	* testsuite/libgomp.fortran/alloc-12.f90: New test.
+
+2021-10-11  Jakub Jelinek  <jakub@redhat.com>
+
+	* omp.h.in (omp_set_num_teams, omp_get_max_teams,
+	omp_set_teams_thread_limit, omp_get_teams_thread_limit): Declare.
+	* omp_lib.f90.in (omp_set_num_teams, omp_get_max_teams,
+	omp_set_teams_thread_limit, omp_get_teams_thread_limit): Declare.
+	* omp_lib.h.in (omp_set_num_teams, omp_get_max_teams,
+	omp_set_teams_thread_limit, omp_get_teams_thread_limit): Declare.
+	* libgomp.h (gomp_nteams_var, gomp_teams_thread_limit_var): Declare.
+	* libgomp.map (OMP_5.1): Export omp_get_max_teams{,_},
+	omp_get_teams_thread_limit{,_}, omp_set_num_teams{,_,_8_} and
+	omp_set_teams_thread_limit{,_,_8_}.
+	* icv.c (omp_set_num_teams, omp_get_max_teams,
+	omp_set_teams_thread_limit, omp_get_teams_thread_limit): New
+	functions.
+	* env.c (gomp_nteams_var, gomp_teams_thread_limit_var): Define.
+	(omp_display_env): Print OMP_NUM_TEAMS and OMP_TEAMS_THREAD_LIMIT.
+	(initialize_env): Handle OMP_NUM_TEAMS and OMP_TEAMS_THREAD_LIMIT env
+	vars.
+	* teams.c (GOMP_teams_reg): If thread_limit is not specified, use
+	gomp_teams_thread_limit_var as fallback if not zero.  If num_teams
+	is not specified, use gomp_nteams_var.
+	* fortran.c (omp_set_num_teams, omp_get_max_teams,
+	omp_set_teams_thread_limit, omp_get_teams_thread_limit): Add
+	ialias_redirect.
+	(omp_set_num_teams_, omp_set_num_teams_8_, omp_get_max_teams_,
+	omp_set_teams_thread_limit_, omp_set_teams_thread_limit_8_,
+	omp_get_teams_thread_limit_): New functions.
+
 2021-10-09  liuhongt  <hongtao.liu@intel.com>
 
 	* testsuite/libgomp.c++/scan-10.C: Add option -fvect-cost-model=cheap.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 3b625d2ab06..a7a283565e5 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,42 @@
+2021-10-11  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/atomic_timed_wait.h: Remove unused header.
+	* include/bits/c++config (std:__terminate): Define.
+	* include/bits/semaphore_base.h: Remove <exception> and use
+	__terminate instead of terminate.
+	* include/bits/std_thread.h: Likewise.
+	* libsupc++/eh_terminate.cc (std::terminate): Use qualified-id
+	to call __cxxabiv1::__terminate.
+
+2021-10-11  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/regex.h (basic_regex::assign(Iter, Iter)): Avoid
+	std::__to_address by using poitner directly or using base()
+	member of __normal_iterator.
+
+2021-10-11  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/18_support/numeric_limits/lowest.cc: Use
+	numeric_limits<T>::is_integer instead of is_integral<T>::value.
+
+2021-10-11  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/89927
+	* include/bits/regex.h (basic_regex(const _Ch_type*, size_t)):
+	Add __glibcxx_requires_string_len assertion.
+	(basic_regex::assign(InputIterator, InputIterator)): Add
+	__glibcxx_requires_valid_range assertion.
+	* include/bits/regex_scanner.tcc (_Scanner::_M_advance())
+	(_Scanner::_M_scan_normal()): Use string literal in assertions.
+
+2021-10-11  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/102667
+	* include/bits/regex.h (match_result::empty()): Optimize by
+	calling the base function directly.
+	(match_results::end()): Check _Base_type::empty() not empty().
+	* testsuite/28_regex/match_results/102667.C: New test.
+
 2021-10-08  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR libstdc++/98725