Daily bump.

12 files changed, 399 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9ed37858069..b8ececa6d6e 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,142 @@
+2020-09-24  Alex Coplan  <alex.coplan@arm.com>
+
+	* config/arm/arm-cpus.in (neoverse-n2): New.
+	* config/arm/arm-tables.opt: Regenerate.
+	* config/arm/arm-tune.md: Regenerate.
+	* doc/invoke.texi: Document support for Neoverse N2.
+
+2020-09-24  Alex Coplan  <alex.coplan@arm.com>
+
+	* config/aarch64/aarch64-cores.def: Add Neoverse N2.
+	* config/aarch64/aarch64-tune.md: Regenerate.
+	* doc/invoke.texi: Document AArch64 support for Neoverse N2.
+
+2020-09-24  Richard Biener  <rguenther@suse.de>
+
+	* vec.h (auto_vec<T, 0>::auto_vec (auto_vec &&)): New move CTOR.
+	(auto_vec<T, 0>::operator=(auto_vec &&)): Delete.
+	* hash-table.h (hash_table::expand): Use std::move when expanding.
+	* cfgloop.h (get_loop_exit_edges): Return auto_vec<edge>.
+	* cfgloop.c (get_loop_exit_edges): Adjust.
+	* cfgloopmanip.c (fix_loop_placement): Likewise.
+	* ipa-fnsummary.c (analyze_function_body): Likewise.
+	* ira-build.c (create_loop_tree_nodes): Likewise.
+	(create_loop_tree_node_allocnos): Likewise.
+	(loop_with_complex_edge_p): Likewise.
+	* ira-color.c (ira_loop_edge_freq): Likewise.
+	* loop-unroll.c (analyze_insns_in_loop): Likewise.
+	* predict.c (predict_loops): Likewise.
+	* tree-predcom.c (last_always_executed_block): Likewise.
+	* tree-ssa-loop-ch.c (ch_base::copy_headers): Likewise.
+	* tree-ssa-loop-im.c (store_motion_loop): Likewise.
+	* tree-ssa-loop-ivcanon.c (loop_edge_to_cancel): Likewise.
+	(canonicalize_loop_induction_variables): Likewise.
+	* tree-ssa-loop-manip.c (get_loops_exits): Likewise.
+	* tree-ssa-loop-niter.c (find_loop_niter): Likewise.
+	(finite_loop_p): Likewise.
+	(find_loop_niter_by_eval): Likewise.
+	(estimate_numbers_of_iterations): Likewise.
+	* tree-ssa-loop-prefetch.c (emit_mfence_after_loop): Likewise.
+	(may_use_storent_in_loop_p): Likewise.
+
+2020-09-24  Jan Hubicka  <jh@suse.cz>
+
+	* doc/invoke.texi: Document -fipa-modref, ipa-modref-max-bases,
+	ipa-modref-max-refs, ipa-modref-max-accesses, ipa-modref-max-tests.
+	* ipa-modref-tree.c (test_insert_search_collapse): Update.
+	(test_merge): Update.
+	(gt_ggc_mx): New function.
+	* ipa-modref-tree.h (struct modref_access_node): New structure.
+	(struct modref_ref_node): Add every_access and accesses array.
+	(modref_ref_node::modref_ref_node): Update ctor.
+	(modref_ref_node::search): New member function.
+	(modref_ref_node::collapse): New member function.
+	(modref_ref_node::insert_access): New member function.
+	(modref_base_node::insert_ref): Do not collapse base if ref is 0.
+	(modref_base_node::collapse): Copllapse also refs.
+	(modref_tree): Add accesses.
+	(modref_tree::modref_tree): Initialize max_accesses.
+	(modref_tree::insert): Add access parameter.
+	(modref_tree::cleanup): New member function.
+	(modref_tree::merge): Add parm_map; merge accesses.
+	(modref_tree::copy_from): New member function.
+	(modref_tree::create_ggc): Add max_accesses.
+	* ipa-modref.c (dump_access): New function.
+	(dump_records): Dump accesses.
+	(dump_lto_records): Dump accesses.
+	(get_access): New function.
+	(record_access): Record access.
+	(record_access_lto): Record access.
+	(analyze_call): Compute parm_map.
+	(analyze_function): Update construction of modref records.
+	(modref_summaries::duplicate): Likewise; use copy_from.
+	(write_modref_records): Stream accesses.
+	(read_modref_records): Sream accesses.
+	(pass_ipa_modref::execute): Update call of merge.
+	* params.opt (-param=modref-max-accesses): New.
+	* tree-ssa-alias.c (alias_stats): Add modref_baseptr_tests.
+	(dump_alias_stats): Update.
+	(base_may_alias_with_dereference_p): New function.
+	(modref_may_conflict): Check accesses.
+	(ref_maybe_used_by_call_p_1): Update call to modref_may_conflict.
+	(call_may_clobber_ref_p_1): Update call to modref_may_conflict.
+
+2020-09-24  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* config/arm/arm.md (*stack_protect_combined_set_insn): For non-PIC,
+	load the address of the canary rather than the address of the
+	constant pool entry that points to it.
+	(*stack_protect_combined_test_insn): Likewise.
+
+2020-09-24  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/97085
+	* match.pd (mask ? { false,..} : { true, ..} -> ~mask): New.
+
+2020-09-24  Jan Hubicka  <hubicka@ucw.cz>
+
+	* ipa-modref-tree.h (modref_base::collapse): Release memory.
+	(modref_tree::create_ggc): New member function.
+	(modref_tree::colapse): Release memory.
+	(modref_tree::~modref_tree): New destructor.
+	* ipa-modref.c (modref_summaries::create_ggc): New function.
+	(analyze_function): Use create_ggc.
+	(modref_summaries::duplicate): Likewise.
+	(read_modref_records): Likewise.
+	(modref_read): Likewise.
+
+2020-09-24  Alan Modra  <amodra@gmail.com>
+
+	* config/rs6000/rs6000.c (rs6000_rtx_costs): Pass mode to
+	reg_or_add_cint_operand and reg_or_sub_cint_operand.
+
+2020-09-24  Alan Modra  <amodra@gmail.com>
+
+	PR target/93012
+	* config/rs6000/rs6000.c (num_insns_constant_gpr): Count rldimi
+	constants correctly.
+
+2020-09-24  Alan Modra  <amodra@gmail.com>
+
+	* config/rs6000/rs6000-c.c (rs6000_target_modify_macros):
+	Conditionally define __PCREL__.
+
+2020-09-24  Alan Modra  <amodra@gmail.com>
+
+	PR target/97107
+	* config/rs6000/rs6000-internal.h (struct rs6000_stack): Improve
+	calls_p comment.
+	* config/rs6000/rs6000-logue.c (rs6000_stack_info): Likewise.
+	(rs6000_expand_split_stack_prologue): Emit the prologue for
+	functions that make a sibling call.
+
+2020-09-24  David Malcolm  <dmalcolm@redhat.com>
+
+	* doc/analyzer.texi (Analyzer Paths): Add note about
+	-fno-analyzer-feasibility.
+	* doc/invoke.texi (Static Analyzer Options): Add
+	-fno-analyzer-feasibility.
+
 2020-09-24  Paul A. Clarke  <pc@us.ibm.com>
 
 	* doc/extend.texi: Add 'd' for doubleword variant of
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 52a894dd654..cfe4a2ef954 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20200924
+20200925
diff --git a/gcc/analyzer/ChangeLog b/gcc/analyzer/ChangeLog
index 8bba0718c2b..20479176779 100644
--- a/gcc/analyzer/ChangeLog
+++ b/gcc/analyzer/ChangeLog
@@ -1,3 +1,53 @@
+2020-09-24  David Malcolm  <dmalcolm@redhat.com>
+
+	* analyzer.h (struct rejected_constraint): New decl.
+	* analyzer.opt (fanalyzer-feasibility): New option.
+	* diagnostic-manager.cc (path_builder::path_builder): Add
+	"problem" param and use it to initialize new field.
+	(path_builder::get_feasibility_problem): New accessor.
+	(path_builder::m_feasibility_problem): New field.
+	(dedupe_winners::add): Remove inversion of logic in "if" clause,
+	swapping if/else suites.  In the !feasible_p suite, inspect
+	flag_analyzer_feasibility and add code to handle when this
+	is off, accepting the infeasible path, but recording the
+	feasibility_problem.
+	(diagnostic_manager::emit_saved_diagnostic): Pass the
+	feasibility_problem to the path_builder.
+	(diagnostic_manager::add_events_for_eedge): If we have
+	a feasibility_problem at this edge, use it to add a custom event.
+	* engine.cc (exploded_path::feasible_p): Pass a
+	rejected_constraint ** to model.maybe_update_for_edge and transfer
+	ownership of any created instance to any feasibility_problem.
+	(feasibility_problem::dump_to_pp): New.
+	* exploded-graph.h (feasibility_problem::feasibility_problem):
+	Drop "model" param; add rejected_constraint * param.
+	(feasibility_problem::~feasibility_problem): New.
+	(feasibility_problem::dump_to_pp): New decl.
+	(feasibility_problem::m_model): Drop field.
+	(feasibility_problem::m_rc): New field.
+	* program-point.cc (function_point::get_location): Handle
+	PK_BEFORE_SUPERNODE and PK_AFTER_SUPERNODE.
+	* program-state.cc (program_state::on_edge): Pass NULL to new
+	param of region_model::maybe_update_for_edge.
+	* region-model.cc (region_model::add_constraint): New overload
+	adding a rejected_constraint ** param.
+	(region_model::maybe_update_for_edge): Add rejected_constraint **
+	param and pass it to the various apply_constraints_for_ calls.
+	(region_model::apply_constraints_for_gcond): Add
+	rejected_constraint ** param and pass it to add_constraint calls.
+	(region_model::apply_constraints_for_gswitch): Likewise.
+	(region_model::apply_constraints_for_exception): Likewise.
+	(rejected_constraint::dump_to_pp): New.
+	* region-model.h (region_model::maybe_update_for_edge):
+	Add rejected_constraint ** param.
+	(region_model::add_constraint): New overload adding a
+	rejected_constraint ** param.
+	(region_model::apply_constraints_for_gcond): Add
+	rejected_constraint ** param.
+	(region_model::apply_constraints_for_gswitch): Likewise.
+	(region_model::apply_constraints_for_exception): Likewise.
+	(struct rejected_constraint): New.
+
 2020-09-23  David Malcolm  <dmalcolm@redhat.com>
 
 	PR analyzer/97178
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index e583c647cd3..e411f34c6f3 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,43 @@
+2020-09-24  Nathan Sidwell  <nathan@acm.org>
+
+	* cp-tree.h (duplicate_decls): Default is_friend to false.
+	(xref_tag): Default tag_scope & tpl_header_p to ts_current & false.
+	(push_template_decl_real): Default is_friend to false.  Rename to
+	...
+	(push_template_decl): ... here.  Delete original decl.
+	* name-lookup.h (pushdecl_namespace_level): Default is_friend to
+	false.
+	(pushtag): Default tag_scope to ts_current.
+	* coroutines.cc (morph_fn_to_coro): Drop default args to xref_tag.
+	* decl.c (start_decl): Drop default args to duplicate_decls.
+	(start_enum): Drop default arg to pushtag & xref_tag.
+	(start_preparsed_function): Pass DECL_FRIEND_P to
+	push_template_decl.
+	(grokmethod): Likewise.
+	* friend.c (do_friend): Rename push_template_decl_real calls.
+	* lambda.c (begin_lamnbda_type): Drop default args to xref_tag.
+	(vla_capture_type): Likewise.
+	* name-lookup.c (maybe_process_template_type_declaration): Rename
+	push_template_decl_real call.
+	(pushdecl_top_level_and_finish): Drop default arg to
+	pushdecl_namespace_level.
+	* pt.c (push_template_decl_real): Assert no surprising friend
+	functions.  Rename to ...
+	(push_template_decl): ... here.  Delete original function.
+	(lookup_template_class_1): Drop default args from pushtag.
+	(instantiate_class_template_1): Likewise.
+	* ptree.c (debug_overload): Print hidden and using markers.
+	* rtti.c (init_rtti_processing): Drop refault args from xref_tag.
+	(build_dynamic_cast_1, tinfo_base_init): Likewise.
+	* semantics.c (begin_class_definition): Drop default args to
+	pushtag.
+
+2020-09-24  Nathan Sidwell  <nathan@acm.org>
+
+	PR c++/97186
+	* pt.c (maybe_instantiate_noexcept): Local externs are never
+	member fns.
+
 2020-09-23  Nathan Sidwell  <nathan@acm.org>
 
 	* name-lookup.h (typedef cxx_binding): Delete tdef.
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index e8261289d53..19f2e6ae88a 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,10 @@
+2020-09-24  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/96495
+	* trans-expr.c (gfc_conv_procedure_call): Take the deallocation
+	of allocatable result components of a scalar result outside the
+	scalarization loop. Find and use the stored result.
+
 2020-09-21  Harald Anlauf  <anlauf@gmx.de>
 	    Paul Thomas   <pault@gcc.gnu.org>
 
diff --git a/gcc/objcp/ChangeLog b/gcc/objcp/ChangeLog
index c8d50750a2e..993c36d58f6 100644
--- a/gcc/objcp/ChangeLog
+++ b/gcc/objcp/ChangeLog
@@ -1,3 +1,9 @@
+2020-09-24  Nathan Sidwell  <nathan@acm.org>
+
+	* objcp-decl.c (objcp_start_struct): Drop default args to
+	xref_tag.
+	(objcp_xref_tag): Likewise.
+
 2020-01-01  Jakub Jelinek  <jakub@redhat.com>
 
 	Update copyright years.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index e40c4749df6..0a190f8df7d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,88 @@
+2020-09-24  Nathan Sidwell  <nathan@acm.org>
+
+	* g++.dg/template/local-var1.C: New.
+
+2020-09-24  Nathan Sidwell  <nathan@acm.org>
+
+	* g++.dg/template/local-fn4.C: Add target c++11
+
+2020-09-24  Nathan Sidwell  <nathan@acm.org>
+
+	PR c++/97186
+	* g++.dg/template/local10.C: Rename ...
+	* g++.dg/template/local-fn3.C: .. here.  Require lto.
+	* g++.dg/template/local-fn4.C: New.
+
+2020-09-24  Jan Hubicka  <jh@suse.cz>
+
+	* gcc.dg/tree-ssa/modref-1.c: New test.
+
+2020-09-24  Tom de Vries  <tdevries@suse.de>
+
+	* gcc.dg/tls/thr-cse-1.c: Scan final dump instead of assembly for
+	nvptx.
+
+2020-09-24  Tom de Vries  <tdevries@suse.de>
+
+	* gcc.dg/independent-cloneids-1.c: Use scan-rtl-dump instead of
+	scan-assembler.
+
+2020-09-24  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/97085
+	* gcc.dg/pr97192.c: New testcase.
+
+2020-09-24  Paul Thomas  <pault@gcc.gnu.org>
+
+	PR fortran/96495
+	* gfortran.dg/alloc_comp_result_2.f90 : New test.
+
+2020-09-24  Tom de Vries  <tdevries@suse.de>
+
+	* gcc.dg/pr87314-1.c: Add nvptx-specific scan-assembler directive.
+
+2020-09-24  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* gcc.target/arm/stack-protector-5.c: New test.
+	* gcc.target/arm/stack-protector-6.c: Likewise.
+
+2020-09-24  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* gcc.target/arm/stack-protector-3.c: New test.
+	* gcc.target/arm/stack-protector-4.c: Likewise.
+
+2020-09-24  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/97085
+	* gcc.dg/vect/pr97085.c: New testcase.
+
+2020-09-24  Tom de Vries  <tdevries@suse.de>
+
+	* gcc.dg/pr94600-1.c: Require effective target non_strict_align for
+	scan-rtl-dump-times.
+	* gcc.dg/pr94600-3.c: Same.
+
+2020-09-24  Tom de Vries  <tdevries@suse.de>
+
+	* c-c++-common/builtin-has-attribute-3.c: Compile with -DSKIP_ALIAS
+	for effective target ! alias.
+
+2020-09-24  Kewen Lin  <linkw@linux.ibm.com>
+
+	PR tree-optimization/97075
+	* gcc.target/powerpc/p9-vec-length-full-6.c: Adjust.
+
+2020-09-24  David Malcolm  <dmalcolm@redhat.com>
+
+	PR analyzer/93355
+	* gcc.dg/analyzer/pr93355-localealias-feasibility.c: New test.
+	* gcc.dg/analyzer/pr93355-localealias-simplified.c: New test.
+	* gcc.dg/analyzer/pr93355-localealias.c: New test.
+
+2020-09-24  David Malcolm  <dmalcolm@redhat.com>
+
+	* gcc.dg/analyzer/feasibility-2.c: New test.
+
 2020-09-23  Martin Sebor  <msebor@redhat.com>
 
 	PR middle-end/97175
diff --git a/include/ChangeLog b/include/ChangeLog
index 757c39f959b..41e3b76766e 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,12 @@
+2020-09-24  Mark Wielaard  <mark@klomp.org>
+
+	* dwarf2.def: Add DWARF5 Unit type header encoding macros
+	DW_UT_FIRST, DW_UT and DW_UT_END.
+	* dwarf2.h (enum dwarf_unit_type): Removed and define using
+	DW_UT_FIRST, DW_UT and DW_UT_END macros.
+	(DW_CIE_VERSION): Removed.
+	(get_DW_UT_name): New function declaration.
+
 2020-09-15  Tobias Burnus  <tobias@codesourcery.com>
 
 	PR fortran/96668
diff --git a/libcc1/ChangeLog b/libcc1/ChangeLog
index 381a823a577..9080b28755f 100644
--- a/libcc1/ChangeLog
+++ b/libcc1/ChangeLog
@@ -1,3 +1,14 @@
+2020-09-24  Nathan Sidwell  <nathan@acm.org>
+
+	* libcp1plugin.cc (supplement_binding): Drop default args to
+	duplicate_decls.
+	(safe_pushtag): Drop scope parm.  Drop default args to pushtag.
+	(safe_pushdecl_maybe_friend): Rename to ...
+	(safe_pushdecl): ... here. Drop is_friend parm.  Drop default args
+	to pushdecl.
+	(plugin_build_decl): Adjust safe_pushdecl & safe_pushtag calls.
+	(plugin_build_constant): Adjust safe_pushdecl call.
+
 2020-09-10  Nathan Sidwell  <nathan@acm.org>
 
 	* libcp1plugin.cc (plugin_build_call_expr): Use DECL_LOCAL_DECL_P.
diff --git a/libffi/ChangeLog b/libffi/ChangeLog
index 7ad4b70eb00..4cf3149a587 100644
--- a/libffi/ChangeLog
+++ b/libffi/ChangeLog
@@ -1,3 +1,15 @@
+2020-09-24  Alan Modra  <amodra@gmail.com>
+
+	* src/powerpc/linux64_closure.S (ffi_closure_LINUX64): Correct
+	location of .Lret.
+
+2020-09-24  Alan Modra  <amodra@gmail.com>
+
+	* src/powerpc/linux64.S (ffi_call_LINUX64): Don't emit global
+	entry when __PCREL__.  Call using @notoc.  Add nops.
+	* src/powerpc/linux64_closure.S (ffi_closure_LINUX64): Likewise.
+	(ffi_go_closure_linux64): Likewise.
+
 2020-04-25  Maciej W. Rozycki  <macro@wdc.com>
 
 	* Makefile.am (DISTCLEANFILES): New variable.
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index a5e09d862c5..7edf7c8fa80 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,8 @@
+2020-09-24  Mark Wielaard  <mark@klomp.org>
+
+	* dwarfnames.c (get_DW_UT_name): Define using DW_UT_FIRST, DW_UT
+	and DW_UT_END.
+
 2020-09-08  Felix Willgerodt  <felix.willgerodt@intel.com>
 
 	* floatformat.c (floatformat_bfloat16_big): New.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 4ef7f3feec4..b446a58dd89 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,37 @@
+2020-09-24  Antony Polukhin  <antoshkka@gmail.com>
+
+	PR libstdc++/71579
+	* include/std/type_traits (invoke_result, is_invocable)
+	(is_invocable_r, is_nothrow_invocable, is_nothrow_invocable_r):
+	Add static_asserts to make sure that the arguments of the type
+	traits are not misused with incomplete types.
+	* testsuite/20_util/invoke_result/incomplete_args_neg.cc: New test.
+	* testsuite/20_util/is_invocable/incomplete_args_neg.cc: New test.
+	* testsuite/20_util/is_invocable/incomplete_neg.cc: New test.
+	* testsuite/20_util/is_nothrow_invocable/incomplete_args_neg.cc:
+	New test.
+	* testsuite/20_util/is_nothrow_invocable/incomplete_neg.cc: Check
+	for error on incomplete type usage in trait.
+
+2020-09-24  Patrick Palka  <ppalka@redhat.com>
+
+	* include/std/ranges (__detail::__boxable): Split out the
+	associated constraints of __box into here.
+	(__detail::__box): Use the __boxable concept.  Define a leaner
+	partial specialization for semiregular types.
+	(single_view::_M_value): Give it [[no_unique_address]].
+	(filter_view::_M_pred): Likewise.
+	(transform_view::_M_fun): Likewise.
+	(take_while_view::_M_pred): Likewise.
+	(drop_while_view::_M_pred):: Likewise.
+	* testsuite/std/ranges/adaptors/detail/semiregular_box.cc: New
+	test.
+
+2020-09-24  Jonathan Wakely  <jwakely@redhat.com>
+
+	* doc/xml/manual/configure.xml: Correct name of option.
+	* doc/html/*: Regenerate.
+
 2020-09-22  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR libstdc++/97167