[gcc r11-5949] Daily bump.

[gcc r11-5949] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:35af87784e02c8c89f020092d91858fe066788f0

commit r11-5949-g35af87784e02c8c89f020092d91858fe066788f0
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Fri Dec 11 18:22:52 2020 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 240 ++++++++++++++++++++++++++++++++++++++++++++++++
 gcc/DATESTAMP           |   2 +-
 gcc/ada/ChangeLog       |   6 ++
 gcc/cp/ChangeLog        | 130 ++++++++++++++++++++++++++
 gcc/testsuite/ChangeLog | 160 ++++++++++++++++++++++++++++++++
 libcpp/ChangeLog        |   4 +
 libstdc++-v3/ChangeLog  |   6 ++
 7 files changed, 547 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f986deed3d0..277eaaffd24 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,243 @@
+2020-12-11  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	* config/arm/iterators.md (VDQ): Remove TARGET_HAVE_MVE
+	conditions.
+	* config/arm/vec-common.md (and<mode>3): Use
+	ARM_HAVE_<MODE>_ARITH.
+	(ior<mode>3): Likewise.
+
+2020-12-11  Claudiu Zissulescu  <claziss@synopsys.com>
+
+	* config/arc/arc.c (arc_active_insn): Ignore all non essential
+	instructions when getting the next active instruction.
+	(check_store_cacheline_hazard): Update.
+	(workaround_arc_anomaly): Remove obsolete cache hazard code.
+
+2020-12-11  Claudiu Zissulescu  <claziss@synopsys.com>
+
+	* config/arc/arc.c (arc_reorg): Avoid limm in BRcc.
+
+2020-12-11  Claudiu Zissulescu  <claziss@synopsys.com>
+
+	* config/arc/arc-protos.h (arc_scheduling_not_expected): Remove
+	it.
+	(arc_sets_cc_p): Likewise.
+	(arc_need_delay): Likewise.
+	* config/arc/arc.c (arc_sets_cc_p): Likewise.
+	(arc_need_delay): Likewise.
+	(arc_scheduling_not_expected): Likewise.
+	* config/arc/arc.md: Convert adc/sbc patterns to simple
+	instruction definitions.
+
+2020-12-11  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	* config/arm/iterators.md (supf): Remove VORRQ_S and VORRQ_U.
+	(VORRQ): Remove.
+	* config/arm/mve.md (mve_vorrq_s<mode>): New entry for vorr
+	instruction using expression ior.
+	(mve_vorrq_u<mode>): New expander.
+	(mve_vorrq_f<mode>): Use ior code instead of unspec.
+	* config/arm/neon.md (ior<mode>3): Renamed into ior<mode>3_neon.
+	* config/arm/predicates.md (imm_for_neon_logic_operand): Enable
+	for MVE.
+	* config/arm/unspecs.md (VORRQ_S, VORRQ_U, VORRQ_F): Remove.
+	* config/arm/vec-common.md (ior<mode>3): New expander.
+
+2020-12-11  Claudiu Zissulescu  <claziss@synopsys.com>
+
+	* config/arc/arc.md (mpyd<su_optab>_arcv2hs): New template
+	pattern.
+	(*pmpyd<su_optab>_arcv2hs): Likewise.
+	(*pmpyd<su_optab>_imm_arcv2hs): Likewise.
+	(mpyd_arcv2hs): Moved into above template.
+	(mpyd_imm_arcv2hs): Moved into above template.
+	(mpydu_arcv2hs): Likewise.
+	(mpydu_imm_arcv2hs): Likewise.
+	(su_optab): New optab prefix for sign/zero-extending operations.
+
+2020-12-11  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR target/98219
+	* config/i386/uintrintrin.h (__uintr_frame): Remove uirrv.
+
+2020-12-11  Andrea Corallo  <andrea.corallo@arm.com>
+
+	* doc/sourcebuild.texi (arm_softfloat): Improve documentation.
+
+2020-12-11  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/98229
+	* optabs.c (expand_doubleword_mod): Canonicalize op1 and
+	1 - INTVAL (op1) as word_mode constants when used in
+	word_mode arithmetics.
+
+2020-12-11  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/98235
+	* tree-vect-slp.c (vect_build_slp_tree): Exchange npermutes
+	for limit.  Decrement that for each cache miss and fail
+	discovery when it reaches zero.
+	(vect_build_slp_tree_2): Remove npermutes handling and
+	simply pass down limit.
+	(vect_build_slp_instance): Use pass down limit.
+	(vect_analyze_slp_instance): Likewise.
+	(vect_analyze_slp): Base the SLP discovery limit on
+	max_tree_size and pass it down.
+
+2020-12-11  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/98190
+	* expr.c (expand_assignment): If to_rtx is a promoted SUBREG,
+	ensure sign or zero extension either through use of store_expr
+	or by extending manually.
+
+2020-12-11  Andrea Corallo  <andrea.corallo@arm.com>
+
+	PR rtl-optimization/97092
+	* ira-color.c (update_costs_from_allocno): Do not carry over mode
+	between subsequent iterations.
+
+2020-12-11  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/95582
+	* tree-vect-patterns.c (vect_recog_bool_pattern): Check
+	for VECT_SCALAR_BOOLEAN_TYPE_P, not just precision one.
+
+2020-12-11  Hongyu  <hongyu.wang@intel.com>
+
+	* common/config/i386/cpuinfo.h (get_available_features):
+	Move check for HRESET/AVX_VNNI/UINTR out of avx512_usable.
+
+2020-12-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/98212
+	* dojump.c (do_compare_rtx_and_jump): Change computation of
+	first_prob for and_them.  Add comment explaining and_them case.
+
+2020-12-10  Andrew MacLeod  <amacleod@redhat.com>
+
+	PR tree-optimization/98174
+	* gimple-range-cache.cc (ranger_cache::ssa_range_in_bb): Only push
+	poor values to be examined if it isn't a pure global.
+	(ranger_cache::block_range): Don't process pure globals.
+	(ranger_cache::fill_block_cache): Adjust has_edge_range call.
+	* gimple-range-gori.cc (gori_map::all_outgoing): New bitmap.
+	(gori_map::gori_map): Allocate all_outgoing.
+	(gori_map::is_export_p): No specified BB returns global context.
+	(gori_map::calculate_gori): Accumulate each block into global.
+	(gori_compute::gori_compute): Preprocess each block for exports.
+	(gori_compute::has_edge_range_p): No edge returns global context.
+	* gimple-range-gori.h (has_edge_range_p): Provide default parameter.
+
+2020-12-10  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* dwarf2out.c (loc_list_from_tree_1) <PLACEHOLDER_EXPR>: Deal with
+	a nested context type
+
+2020-12-10  Bernd Edlinger  <bernd.edlinger@hotmail.de>
+
+	* cfgexpand.c (expand_gimple_basic_block): Remove special handling
+	of debug_inline_entries without block info.
+	* tree-inline.c (remap_gimple_stmt): Drop debug_nonbind_markers when
+	the call statement has no block info.
+	(copy_debug_stmt): Remove debug_nonbind_markers when inlining
+	and the block info is mapped to NULL.
+	* tree-ssa-live.c (clear_unused_block_pointer): Remove
+	debug_nonbind_markers originating from removed inline functions.
+
+2020-12-10  Richard Biener  <rguenther@suse.de>
+
+	* tree-vect-stmts.c (vectorizable_assignment): Remove special
+	allowance of VECTOR_BOOLEAN_TYPE_P conversions.
+
+2020-12-10  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	* config/arm/iterators.md (supf): Remove VANDQ_S and VANDQ_U.
+	(VANQ): Remove.
+	(VDQ): Add TARGET_HAVE_MVE condition where relevant.
+	* config/arm/mve.md (mve_vandq_u<mode>): New entry for vand
+	instruction using expression 'and'.
+	(mve_vandq_s<mode>): New expander.
+	(mve_vaddq_n_f<mode>): Use 'and' code instead of unspec.
+	* config/arm/neon.md (and<mode>3): Rename into and<mode>3_neon.
+	* config/arm/predicates.md (imm_for_neon_inv_logic_operand):
+	Enable for MVE.
+	* config/arm/unspecs.md (VANDQ_S, VANDQ_U, VANDQ_F): Remove.
+	* config/arm/vec-common.md (and<mode>3): New expander.
+
+2020-12-10  Richard Sandiford  <richard.sandiford@arm.com>
+
+	PR tree-optimization/98069
+	* tree-data-ref.c (compute_distributive_range): New function.
+	(nop_conversion_for_offset_p): Likewise.
+	(split_constant_offset): In the internal overload, treat integer
+	expressions as having an implicit cast to sizetype and express
+	them accordingly.  Pass back the range of the original (uncast)
+	expression in a new range parameter.
+	(split_constant_offset_1): Likewise.  Rework the handling of
+	conversions to account for the implicit sizetype casts.
+
+2020-12-10  Joel Hutton  <joel.hutton@arm.com>
+
+	PR tree-optimization/97929
+	* tree-vect-data-refs.c (vect_get_smallest_scalar_type): Add
+	WIDEN_PLUS/WIDEN_MINUS case.
+
+2020-12-10  Joel Hutton  <joel.hutton@arm.com>
+
+	* tree-pretty-print.c (dump_generic_node): Add case for
+	VEC_WIDEN_(PLUS/MINUS)_(HI/LO)_EXPR and WIDEN_(PLUS/MINUS)_EXPR.
+
+2020-12-10  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/98211
+	* tree-vect-stmts.c (vectorizable_assignment): Disallow
+	invalid conversions to bool vector types.
+
+2020-12-10  Alexandre Oliva  <oliva@adacore.com>
+
+	* tree.c (build_common_builtin_nodes): Drop __builtin_ from
+	__clear_cache libname.
+
+2020-12-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/98212
+	* dojump.c (do_compare_rtx_and_jump): When splitting NE and backend
+	can do UNEQ, prefer splitting x != y into x unord y || !(x uneq y)
+	instead of into x unord y || x ltgt y.
+
+2020-12-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/98169
+	* dojump.c (do_compare_rtx_and_jump): Don't split self-EQ/NE
+	comparisons, just use ORDERED or UNORDERED.
+
+2020-12-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/98205
+	* omp-expand.c (expand_omp_for_generic): Fix up broken_loop handling.
+
+2020-12-10  Richard Biener  <rguenther@suse.de>
+
+	* tree-vect-slp.c (vect_get_and_check_slp_defs): Do
+	not mark the defs to occur in a pattern if it is the
+	pattern root and record the original stmt defs in that
+	case.
+
+2020-12-10  Simon Cook  <simon.cook@embecosm.com>
+
+	* config/riscv/multilib-generator (arch_canonicalize): Invoke
+	python interpreter when calling arch-canonicalize script.
+
+2020-12-10  Nikhil Benesch  <nikhil.benesch@gmail.com>
+
+	* godump.c (go_format_type): Don't consider whether a type has
+	been seen when determining whether to output a type by name.
+	Consider only the use_type_name parameter.
+	(go_output_typedef): When outputting a typedef, format the
+	declaration's original type, which contains the name of the
+	underlying type rather than the name of the typedef.
+
 2020-12-09  Jakub Jelinek  <jakub@redhat.com>
 
 	PR bootstrap/98188
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 9320aaa99a8..77ef0ead526 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20201210
+20201211
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index f404b3673a4..23a5d4b01f3 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,9 @@
+2020-12-10  Ed Schonberg  <schonberg@adacore.com>
+
+	PR ada/98230
+	* exp_attr.adb (Expand_N_Attribute_Reference, case Mod): Use base
+	type of argument to obtain static bound and required size.
+
 2020-12-07  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gcc-interface/Make-lang.in: Remove ^L characters.
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index ce97c8553f9..353308efddc 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,133 @@
+2020-12-11  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-tree.h (map_context_from, map_context_to): Declare.
+	* module.cc (map_context_from, map_context_to): Define.
+	* tree.c (cp_tree_equal): Check map_context_{from,to} for parm
+	context difference.  Allow NON_LVALUE_EXPR and VIEW_CONVERT_EXPR
+	with null types.
+
+2020-12-11  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-lang.c (LANG_HOOKS_PREPROCESS_MAIN_FILE): Override.
+	(LANG_HOOKS_PREPROCESS_OPTIONS): Override.
+	(LANG_HOOKS_PREPROCESS_TOKEN): Override.
+	* cp-objcp-common.c (cp_register_dumps): Add module dump.
+	(cp_handle_option): New.
+	* cp-objcp-common.h (cp_handle_option): Declare.
+	(LANG_HOOKS_HANDLE_OPTION): Override.
+	* cp-tree.h (module_dump_id): Declare.
+	* module.cc (module_dump_id): Define.
+	(module_begin_main_file, handle_module_option)
+	(module_preproces_options): Stubs.
+
+2020-12-11  Nathan Sidwell  <nathan@acm.org>
+
+	* module.cc (lazy_specializations_p): Stub.
+	* name-lookup.h (append_imported_binding_slot)
+	(mergeable_namespacE_slots, lookup_class_binding)
+	(walk_module_binding, import_module_binding, set_module_binding)
+	(note_pending_specializations, load_pending_specializations)
+	(add_module_decl, add_imported_namespace): Declare.
+	(get_cxx_dialect_name): Declare.
+	(enum WMB_flags): New.
+	* name-lookup.c (append_imported_binding_slot)
+	(mergeable_namespacE_slots, lookup_class_binding)
+	(walk_module_binding, import_module_binding, set_module_binding)
+	(note_pending_specializations, load_pending_specializations)
+	(add_module_decl, add_imported_namespace): New.
+	(get_cxx_dialect_name): Make extern.
+
+2020-12-11  Patrick Palka  <ppalka@redhat.com>
+
+	PR c++/78173
+	* typeck.c (pointer_diff): Use complete_type_or_maybe_complain
+	instead of complete_type_or_else.
+
+2020-12-10  Jason Merrill  <jason@redhat.com>
+
+	* cp-tree.h (struct type_identity): New.
+	(make_temp_override): New.
+	* decl.c (grokdeclarator): Use it.
+	* except.c (maybe_noexcept_warning): Use it.
+	* parser.c (cp_parser_enum_specifier): Use it.
+	(cp_parser_parameter_declaration_clause): Use it.
+	(cp_parser_gnu_attributes_opt): Use it.
+	(cp_parser_std_attribute): Use it.
+
+2020-12-10  Nathan Sidwell  <nathan@acm.org>
+
+	* name-lookup.c (do_nonmember_using_decl): Add INSERT_P parm.
+	Deal with exporting using decls.
+	(finish_nonmember_using_decl): Examine BINDING_VECTOR.
+
+2020-12-10  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-tree.h (visible_instantiation_path): Renamed.
+	* module.cc (get_originating_module_decl, lazy_load_binding)
+	(lazy_load_members, visible_instantiation_path): Stubs.
+	* name-lookup.c (STAT_TYPE_VISIBLE_P, STAT_VISIBLE): New.
+	(search_imported_binding_slot, init_global_partition)
+	(get_fixed_binding_slot): New.
+	(name_lookup::process_module_binding): New.
+	(name_lookup::search_namespace_only): Search BINDING_VECTOR.
+	(name_lookup::adl_namespace_fns): Likewise.
+	(name_lookip::search_adl): Search visible instantiation path.
+	(maybe_lazily_declare): Maybe lazy load members.
+	(implicitly_exporT_namespace): New.
+	(maybe_record_mergeable_decl): New.
+	(check_module_override): New.
+	(do_pushdecl): Deal with BINDING_VECTOR, check override.
+	(add_mergeable_namespace_entity): New.
+	(get_namespace_binding): Deal with BINDING_VECTOR.
+	(do_namespace_alias): Call set_originating_module.
+	(lookup_elaborated_type_1): Deal with BINDING_VECTOR.
+	(do_pushtag): Call set_originating_module.
+	(reuse_namespace): New.
+	(make_namespace_finish): Add FROM_IMPORT parm.
+	(push_namespace): Deal with BINDING_VECTOR & namespace reuse.
+	(maybe_save_operator_binding): Save when module CMI in play.
+	* name-lookup.h (add_mergeable_namespace_entity): Declare.
+
+2020-12-10  Nathan Sidwell  <nathan@acm.org>
+
+	* name-lookup.c: Include bitmap.h.
+	(enum binding_slots): New.
+	(maybe_add_fuzzy_binding): Return bool true if found.
+	(consider_binding_level): Add module support.
+	* module.cc (get_import_bitmap): Stub.
+
+2020-12-10  Nathan Sidwell  <nathan@acm.org>
+
+	* name-lookup.c (pop_local_binding): Check for IDENTIFIER_ANON_P.
+	(update_binding): Level may be null, don't add namespaces to
+	level.
+	(newbinding_bookkeeping): New, broken out of ...
+	(do_pushdecl): ... here, call it.  Don't push anonymous decls.
+	(pushdecl, add_using_namespace): Correct comments.
+	(do_push_nested_namespace): Remove assert.
+	(make_namespace, make_namespace_finish): New, broken out of ...
+	(push_namespace): ... here.  Call them.  Add namespace to level
+	here.
+
+2020-12-10  Nathan Sidwell  <nathan@acm.org>
+
+	* error.c (dump_module_suffix): New.
+	(dump_aggr_type, dump_simple_decl, dump_function_name): Call it.
+	* ptree.c (cxx_print_decl): Print module information.
+	* module.cc (module_name, get_importing_module): Stubs.
+
+2020-12-10  Nathan Sidwell  <nathan@acm.org>
+
+	* name-lookup.h (set_class_bindings): Return vector, take signed
+	'extra' parm.
+	* name-lookup.c (maybe_lazily_declare): Break out ...
+	(get_class_binding): .. of here, call it.
+	(find_member_slot): Adjust get_class_bindings call.
+	(set_class_bindings): Allow -ve extra.  Return the vector.
+	(set_identifier_type_value_with_scope): Remove checking assert.
+	(lookup_using_decl): Set decl's context.
+	(do_pushtag): Adjust set_identifier_type_value_with_scope handling.
+
 2020-12-09  Nathan Sidwell  <nathan@acm.org>
 
 	* parser.h (struct cp_token): Add main_source_p field.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 63abb26fe35..6458628f381 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,163 @@
+2020-12-11  Nathan Sidwell  <nathan@acm.org>
+
+	* g++.dg/modules/modules.exp: New.
+
+2020-12-11  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	* gcc.target/arm/simd/mve-vorr.c: Add vorr tests.
+
+2020-12-11  Claudiu Zissulescu  <claziss@synopsys.com>
+
+	* gcc.target/arc/pmpyd.c: New test.
+	* gcc.target/arc/tmac-1.c: Update.
+
+2020-12-11  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR target/98219
+	* gcc.dg/guality/pr98219-1.c: New test.
+	* gcc.dg/guality/pr98219-2.c: Likewise.
+	* gcc.dg/torture/pr98219-1.c: Likewise.
+	* gcc.dg/torture/pr98219-2.c: Likewise.
+	* gcc.target/i386/uintr-2.c: Scan "add[lq] $8, %[er]sp".
+	(uword_t): New.
+	(foo): Add a uword_t argument.
+	(UINTR_hanlder): Likewise.
+	* gcc.target/i386/uintr-3.c: Scan "add[lq] $8, %[er]sp".
+	(uword_t): New.
+	(UINTR_hanlder): Add a uword_t argument.
+	* gcc.target/i386/uintr-4.c (uword_t): New.
+	(UINTR_hanlder): Add a uword_t argument.
+	* gcc.target/i386/uintr-5.c (uword_t): New.
+	(UINTR_hanlder): Add a uword_t argument.
+
+2020-12-11  Patrick Palka  <ppalka@redhat.com>
+
+	PR c++/78173
+	* g++.dg/cpp2a/concepts-pr78173.C: New test.
+
+2020-12-11  Andrea Corallo  <andrea.corallo@arm.com>
+
+	* lib/target-supports.exp (check_effective_target_arm_softfloat):
+	Improve documentation.
+
+2020-12-11  Andrea Corallo  <andrea.corallo@arm.com>
+
+	* gcc.target/arm/lob2.c: Use '-march=armv8.1-m.main+fp'.
+	* gcc.target/arm/lob3.c: Skip with '-mfloat-abi=hard'.
+	* gcc.target/arm/lob4.c: Likewise.
+	* gcc.target/arm/lob5.c: Use '-march=armv8.1-m.main+fp'.
+
+2020-12-11  Richard Biener  <rguenther@suse.de>
+
+	PR testsuite/98244
+	* gcc.dg/vect/vect-live-6.c: Require vect_condition.
+
+2020-12-11  Richard Biener  <rguenther@suse.de>
+
+	PR testsuite/98242
+	* gcc.dg/vect/bb-slp-subgroups-3.c: Require vect_int_mult.
+
+2020-12-11  Richard Biener  <rguenther@suse.de>
+
+	PR testsuite/98240
+	* gcc.dg/vect/pr97678.c: Require vect_int_mult and
+	vect_pack_trunc.
+
+2020-12-11  Richard Biener  <rguenther@suse.de>
+
+	PR testsuite/98239
+	* gcc.dg/vect/bb-slp-69.c: Require vect_condition.
+
+2020-12-11  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/98229
+	* gcc.c-torture/compile/pr98229.c: New test.
+
+2020-12-11  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/98235
+	* gcc.dg/torture/pr98235.c: New testcase.
+
+2020-12-11  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/98190
+	* gcc.dg/pr98190.c: New test.
+
+2020-12-11  Andrea Corallo  <andrea.corallo@arm.com>
+
+	* gcc.target/aarch64/sve/pr97092.c: New test.
+
+2020-12-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/98212
+	* gcc.dg/predict-8.c: Adjust expected probability.
+
+2020-12-10  Ed Schonberg  <schonberg@adacore.com>
+
+	* gnat.dg/modular6.adb: New test.
+
+2020-12-10  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/91506
+	* g++.dg/init/array60.C: New test.
+
+2020-12-10  Dennis Zhang  <denzha01@e124712.cambridge.arm.com>
+
+	* gcc.target/arm/simd/mve-vsub_1.c: Fix typo.
+	Remove needless dg-additional-options.
+
+2020-12-10  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/68451
+	* g++.dg/cpp0x/friend6.C: New test.
+
+2020-12-10  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	* gcc.target/arm/simd/mve-vand.c: New test.
+
+2020-12-10  Richard Sandiford  <richard.sandiford@arm.com>
+
+	PR tree-optimization/98069
+	* gcc.dg/vect/pr98069.c: New file.
+
+2020-12-10  Joel Hutton  <joel.hutton@arm.com>
+
+	* gcc.dg/vect/pr97929.c: New test.
+
+2020-12-10  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/98211
+	* gcc.dg/pr98211.c: New testcase.
+
+2020-12-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/98212
+	* gcc.target/i386/pr98212.c: New test.
+
+2020-12-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/98169
+	* gcc.target/i386/pr98169.c: New test.
+
+2020-12-10  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/98205
+	* c-c++-common/gomp/doacross-4.c: New test.
+
+2020-12-10  Richard Biener  <rguenther@suse.de>
+
+	* gcc.dg/vect/bb-slp-div-1.c: Expect the load to be
+	vectorized.
+
+2020-12-10  Nikhil Benesch  <nikhil.benesch@gmail.com>
+
+	* gcc.misc-tests/godump-1.c: Add test case.
+
+2020-12-10  Ian Lance Taylor  <iant@golang.org>
+
+	* go.test/go-test.exp (go-gc-tests): Recognize errorcheckdir -n,
+	for bug345.go.
+
 2020-12-09  Ian Lance Taylor  <iant@golang.org>
 
 	* go.test/go-test.exp (errchk): Rewrite regexp quoting to use
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 83cbde30b3c..e5a1d8c0a19 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,7 @@
+2020-12-10  Jason Merrill  <jason@redhat.com>
+
+	* init.c (cpp_init_builtins): Update __cplusplus for C++20.
+
 2020-12-01  JeanHeyd Meneide  <phdofthehouse@gmail.com>
 
 	* charset.c (init_iconv_desc): Initialize "to" and "from" fields.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index e494f05490a..45c3d673731 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2020-12-10  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/98226
+	* include/std/bit (__countl_one, __countr_one): Remove redundant
+	branches.
+
 2020-12-09  Jonathan Wakely  <jwakely@redhat.com>
 
 	* acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_TIME): Define NO_SLEEP