Daily bump.

13 files changed, 413 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index c72cbca..1c3ddb3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2021-09-01  YunQiang Su  <syq@debian.org>
+
+	* MAINTAINERS: Add myself for write after approval.
+
 2021-08-31  Andrew Burgess  <andrew.burgess@embecosm.com>
 
 	* Makefile.def: Add all-gdb dependency on all-libbacktrace.
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 2cd34aa..d7f4787 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,137 @@
+2021-09-01  Jeff Law  <jlaw@localhost.localdomain>
+
+	PR tree-optimization/102152
+	* tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Reduce a vector
+	comparison to a scalar comparison before calling
+	update_stmt_if_modified.
+
+2021-09-01  Andrew Pinski  <apinski@marvell.com>
+
+	PR target/101934
+	* config/aarch64/aarch64.c (aarch64_expand_setmem):
+	Check STRICT_ALIGNMENT before creating an overlapping
+	store.
+
+2021-09-01  Martin Sebor  <msebor@redhat.com>
+
+	* gimple-ssa-warn-access.cc (get_size_range): Add argument.
+	(check_access): Pass additional argument.
+	(check_memop_access): Remove template and make a member function.
+	(maybe_check_dealloc_call): Make a pass_waccess member function.
+	(class pass_waccess): Add, rename, and remove members.
+	(pass_waccess::pass_waccess): Adjust to name change.
+	(pass_waccess::~pass_waccess): Same.
+	(check_alloca): Make a member function.
+	(check_alloc_size_call): Same.
+	(check_strcat): Same.
+	(check_strncat): Same.
+	(check_stxcpy): Same.
+	(check_stxncpy): Same.
+	(check_strncmp): Same.
+	(maybe_warn_rdwr_sizes): Rename...
+	(pass_waccess::maybe_check_access_sizes): ...to this.
+	(pass_waccess::check_call): Adjust to name changes.
+	(pass_waccess::maybe_check_dealloc_call): Make a pass_waccess member
+	function.
+	(pass_waccess::execute): Adjust to name changes.
+	* gimple-ssa-warn-access.h (check_memop_access): Remove.
+	* pointer-query.cc (access_ref::phi): Handle null pointer.
+	(access_ref::inform_access): Same.
+	(pointer_query::put_ref): Modify a cached value, not a copy of it.
+	(pointer_query::dump): New function.
+	(compute_objsize_r): Avoid overwriting access_ref::bndrng.  Cache
+	more results.
+	* pointer-query.h (pointer_query::dump): Declare.
+	* tree-ssa-strlen.c (get_range): Simplify.  Use function query.
+	(dump_strlen_info): Use function query.
+	(printf_strlen_execute): Factor code out into pointer_query::put_ref.
+
+2021-09-01  Thomas Schwinge  <thomas@codesourcery.com>
+
+	* tree.c (walk_tree_1) <OMP_CLAUSE>: Simplify.
+
+2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* doc/extend.texi: Document unavailable attribute.
+	* print-tree.c (print_node): Handle unavailable attribute.
+	* tree-core.h (struct tree_base): Add a bit to carry unavailability.
+	* tree.c (error_unavailable_use): New.
+	* tree.h (TREE_UNAVAILABLE): New.
+	(error_unavailable_use): New.
+
+2021-09-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/102124
+	* tree-vect-patterns.c (vect_recog_widen_op_pattern): For ORIG_CODE
+	MINUS_EXPR, if itype is unsigned with smaller precision than type,
+	add an extra cast to signed variant of itype to ensure sign-extension.
+
+2021-09-01  Martin Liska  <mliska@suse.cz>
+
+	* graph.c (draw_cfg_node_succ_edges): Do not color fallthru
+	  edges and rather use colors for TRUE and FALSE edges.
+
+2021-09-01  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/93491
+	* tree-ssa-pre.c (compute_avail): Set BB_MAY_NOTRETURN
+	after processing the stmt itself.  Do not consider
+	pure functions possibly not returning.  Properly avoid
+	adding possibly trapping calls to EXP_GEN when there's
+	a preceeding possibly not returning call.
+	* tree-ssa-sccvn.c (vn_reference_may_trap): Conservatively
+	not handle calls.
+
+2021-09-01  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/102139
+	* tree-vectorizer.h (vec_base_alignments): Adjust hash-map
+	type to record a std::pair of the stmt-info and the innermost
+	loop behavior.
+	(dr_vec_info::group): New member.
+	* tree-vect-data-refs.c (vect_record_base_alignment): Adjust.
+	(vect_compute_data_ref_alignment): Verify the recorded
+	base alignment can be used.
+	(data_ref_pair): Remove.
+	(dr_group_sort_cmp): Adjust.
+	(vect_analyze_data_ref_accesses): Store the group-ID in the
+	dr_vec_info and operate on a vector of dr_vec_infos.
+
+2021-09-01  YunQiang Su  <yunqiang.su@cipunited.com>
+
+	* read-md.c (md_reader::handle_enum): support value assignation.
+	* doc/md.texi: record define_c_enum value assignation support.
+
+2021-09-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/102141
+	* gimple-ssa-store-merging.c (bswap_view_convert): Add BEFORE
+	argument.  If false, emit stmts after gsi instead of before, and
+	with GSI_NEW_STMT.
+	(bswap_replace): Adjust callers.  When converting output of bswap,
+	emit VIEW_CONVERT prepratation stmts after a copy of gsi instead
+	of before it.
+
+2021-09-01  liuhongt  <hongtao.liu@intel.com>
+
+	* emit-rtl.c (validate_subreg): Get rid of all float-int
+	special cases.
+
+2021-09-01  liuhongt  <hongtao.liu@intel.com>
+
+	Revert:
+	2021-08-30  liuhongt  <hongtao.liu@intel.com>
+
+	* expmed.c (extract_bit_field_1): Make sure we're playing with
+	integral modes before call extract_integral_bit_field.
+	(extract_integral_bit_field): Add a parameter of type
+	scalar_int_mode which corresponds to of tmode.
+	And call extract_and_convert_fixed_bit_field instead of
+	extract_fixed_bit_field and convert_extracted_bit_field.
+	(extract_and_convert_fixed_bit_field): New function, it's a
+	combination of extract_fixed_bit_field and
+	convert_extracted_bit_field.
+
 2021-08-31  Thomas Schwinge  <thomas@codesourcery.com>
 
 	* tree.c (walk_tree_1) <OMP_CLAUSE_TILE>: Handle three operands.
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 97ea5d4..c1532a2 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210901
+20210902
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index d3a48ff..a5bf82c 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,7 @@
+2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* c-attribs.c (handle_unavailable_attribute): New.
+
 2021-08-30  Jason Merrill  <jason@redhat.com>
 
 	* c.opt: Add -Wmissing-requires.
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index a175f36..e501dc9 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,27 @@
+2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* c-decl.c (enum deprecated_states): Add unavailable state.
+	(merge_decls): Copy unavailability.
+	(quals_from_declspecs): Handle unavailable case.
+	(start_decl): Amend the logic handling suppression of nested
+	deprecation states to include unavailability.
+	(smallest_type_quals_location): Amend comment.
+	(grokdeclarator): Handle the unavailable deprecation state.
+	(declspecs_add_type): Set TREE_UNAVAILABLE from the decl specs.
+	* c-tree.h (struct c_declspecs): Add unavailable_p.
+	* c-typeck.c (build_component_ref): Handle unavailability.
+	(build_external_ref): Likewise.
+
+2021-09-01  Roger Sayle  <roger@nextmovesoftware.com>
+	    Joseph Myers  <joseph@codesourcery.com>
+
+	PR c/79412
+	* c-decl.c (duplicate_decls): On significant mismatches, mark the
+	types of both (non-function) decls as error_mark_node, so that the
+	middle-end can see the code is malformed.
+	(free_attr_access_data): Don't process if the type has been set to
+	error_mark_node.
+
 2021-08-31  Marcel Vollweiler  <marcel@codesourcery.com>
 
 	* c-parser.c (c_parser_omp_clause_device): Parse device-modifiers 'device_num'
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index b443247..d969b31 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,42 @@
+2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* call.c (build_over_call): Handle unavailable state in addition to
+	deprecation.
+	* class.c (type_build_ctor_call): Likewise.
+	(type_build_dtor_call): Likewise.
+	* cp-tree.h: Rename cp_warn_deprecated_use to
+	cp_handle_deprecated_or_unavailable.
+	* decl.c (duplicate_decls): Merge unavailability.
+	(grokdeclarator): Handle unavailability in addition to deprecation.
+	(type_is_unavailable): New.
+	(grokparms): Handle unavailability in addition to deprecation.
+	* decl.h (enum deprecated_states): Add
+	UNAVAILABLE_DEPRECATED_SUPPRESS.
+	* decl2.c (cplus_decl_attributes): Propagate unavailability to
+	templates.
+	(cp_warn_deprecated_use): Rename to ...
+	(cp_handle_deprecated_or_unavailable): ... this and amend to handle
+	the unavailable case. It remains a warning in the case of deprecation
+	but becomes an error in the case of unavailability.
+	(cp_warn_deprecated_use_scopes): Handle unavailability.
+	(mark_used): Likewise.
+	* parser.c (cp_parser_template_name): Likewise.
+	(cp_parser_template_argument): Likewise.
+	(cp_parser_parameter_declaration_list): Likewise.
+	* typeck.c (build_class_member_access_expr): Likewise.
+	(finish_class_member_access_expr): Likewise.
+	* typeck2.c (build_functional_cast_1): Likewise.
+
+2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* coroutines.cc (build_actor_fn): Add begin/finish clauses
+	to the initial test in the actor function.
+
+2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* coroutines.cc (await_statement_walker): Use build_stmt and
+	add_stmt instead of build1 and finish_expr_stmt.
+
 2021-08-31  Jason Merrill  <jason@redhat.com>
 
 	* coroutines.cc (flatten_await_stmt): Fix copyo.
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index e30d165..9fafc5e 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2021-09-01  Harald Anlauf  <anlauf@gmx.de>
+
+	PR fortran/56985
+	* resolve.c (resolve_common_vars): Fix grammar and improve wording
+	of error message rejecting an unlimited polymorphic in COMMON.
+
 2021-08-31  Harald Anlauf  <anlauf@gmx.de>
 
 	PR fortran/100950
diff --git a/gcc/objc/ChangeLog b/gcc/objc/ChangeLog
index e2d452f..668be66 100644
--- a/gcc/objc/ChangeLog
+++ b/gcc/objc/ChangeLog
@@ -1,3 +1,32 @@
+2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	PR objc/101718
+	* objc-next-runtime-abi-02.c (build_v2_build_objc_method_call):
+	Revise for cases where scalar objects use an sret parameter.
+	(next_runtime_abi_02_build_objc_method_call): Likwise.
+
+2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* objc-act.c (objc_add_property_declaration): Register unavailable
+	attribute.
+	(maybe_make_artificial_property_decl): Set available.
+	(objc_maybe_build_component_ref): Generalise to the method prototype
+	to count availability.
+	(objc_build_class_component_ref): Likewise.
+	(build_private_template): Likewise.
+	(objc_decl_method_attributes): Handle unavailable attribute.
+	(lookup_method_in_hash_lists): Amend comments.
+	(objc_finish_message_expr): Handle unavailability in addition to
+	deprecation.
+	(start_class): Likewise.
+	(finish_class): Likewise.
+	(lookup_protocol): Likewise.
+	(objc_declare_protocol): Likewise.
+	(start_protocol): Register unavailable attribute.
+	(really_start_method): Likewise.
+	(objc_gimplify_property_ref): Emit error on encountering an
+	unavailable entity (and a warning for a deprecated one).
+
 2021-08-19  Iain Sandoe  <iain@sandoe.co.uk>
 
 	* objc-next-runtime-abi-02.c (objc_next_runtime_abi_02_init):
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 1bab525..cef16da 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,116 @@
+2021-09-01  Jeff Law  <jlaw@localhost.localdomain>
+
+	PR tree-optimization/102152
+	* gcc.dg/pr102152.c: New test
+
+2021-09-01  Andrew Pinski  <apinski@marvell.com>
+
+	PR target/101934
+	* gcc.target/aarch64/memset-strict-align-1.c: New test.
+
+2021-09-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/100977
+	* g++.dg/cpp23/normalize1.C: New test.
+	* g++.dg/cpp23/normalize2.C: New test.
+	* g++.dg/cpp23/normalize3.C: New test.
+	* g++.dg/cpp23/normalize4.C: New test.
+	* g++.dg/cpp23/normalize5.C: New test.
+	* g++.dg/cpp23/normalize6.C: New test.
+	* g++.dg/cpp23/normalize7.C: New test.
+	* g++.dg/cpp23/ucnid-1-utf8.C: New test.
+	* g++.dg/cpp23/ucnid-2-utf8.C: New test.
+	* gcc.dg/cpp/ucnid-4.c: Don't expect
+	"not valid at the start of an identifier" errors.
+	* gcc.dg/cpp/ucnid-4-utf8.c: Likewise.
+	* gcc.dg/cpp/ucnid-5-utf8.c: New test.
+
+2021-09-01  Andrew Pinski  <apinski@marvell.com>
+
+	PR testsuite/51748
+	* gcc.misc-tests/linkage.exp: Add mips*-linux-* support.
+
+2021-09-01  Martin Sebor  <msebor@redhat.com>
+
+	* gcc.dg/Wstringop-overflow-11.c: Remove xfails.
+	* gcc.dg/Wstringop-overflow-12.c: Same.
+	* gcc.dg/Wstringop-overflow-43.c: Add xfails.
+	* gcc.dg/Wstringop-overflow-73.c: New test.
+
+2021-09-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR preprocessor/101488
+	* c-c++-common/cpp/va-opt-3.c: Adjust expected output.
+	* c-c++-common/cpp/va-opt-7.c: New test.
+
+2021-09-01  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/101592
+	* g++.dg/warn/Wlogical-op-3.C: New test.
+
+2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* g++.dg/ext/attr-unavailable-1.C: New test.
+	* g++.dg/ext/attr-unavailable-2.C: New test.
+	* g++.dg/ext/attr-unavailable-3.C: New test.
+	* g++.dg/ext/attr-unavailable-4.C: New test.
+	* g++.dg/ext/attr-unavailable-5.C: New test.
+	* g++.dg/ext/attr-unavailable-6.C: New test.
+	* g++.dg/ext/attr-unavailable-7.C: New test.
+	* g++.dg/ext/attr-unavailable-8.C: New test.
+	* g++.dg/ext/attr-unavailable-9.C: New test.
+	* gcc.dg/attr-unavailable-1.c: New test.
+	* gcc.dg/attr-unavailable-2.c: New test.
+	* gcc.dg/attr-unavailable-3.c: New test.
+	* gcc.dg/attr-unavailable-4.c: New test.
+	* gcc.dg/attr-unavailable-5.c: New test.
+	* gcc.dg/attr-unavailable-6.c: New test.
+	* obj-c++.dg/attributes/method-unavailable-1.mm: New test.
+	* obj-c++.dg/attributes/method-unavailable-2.mm: New test.
+	* obj-c++.dg/attributes/method-unavailable-3.mm: New test.
+	* obj-c++.dg/property/at-property-unavailable-1.mm: New test.
+	* obj-c++.dg/property/at-property-unavailable-2.mm: New test.
+	* obj-c++.dg/property/dotsyntax-unavailable-1.mm: New test.
+	* objc.dg/attributes/method-unavailable-1.m: New test.
+	* objc.dg/attributes/method-unavailable-2.m: New test.
+	* objc.dg/attributes/method-unavailable-3.m: New test.
+	* objc.dg/property/at-property-unavailable-1.m: New test.
+	* objc.dg/property/at-property-unavailable-2.m: New test.
+	* objc.dg/property/dotsyntax-unavailable-1.m: New test.
+
+2021-09-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/102124
+	* gcc.dg/torture/pr102124.c: New test.
+
+2021-09-01  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/93491
+	* gcc.dg/torture/pr93491.c: New testcase.
+	* gcc.dg/tree-ssa/pr88087.c: Change to valid PRE opportunity.
+
+2021-09-01  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/102139
+	* gcc.dg/torture/pr102139.c: New testcase.
+
+2021-09-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/102141
+	* gcc.dg/pr102141.c: New test.
+
+2021-09-01  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/102149
+	* gcc.dg/torture/pr102149.c: New testcase.
+
+2021-09-01  Roger Sayle  <roger@nextmovesoftware.com>
+	    Joseph Myers  <joseph@codesourcery.com>
+
+	PR c/79412
+	* gcc.dg/pr79412.c: New test case.
+	* gcc.dg/typedef-var-2.c: Update expeted errors.
+
 2021-08-31  Harald Anlauf  <anlauf@gmx.de>
 
 	PR fortran/100950
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 2585deb..35f952d 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,42 @@
+2021-09-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/100977
+	* include/cpplib.h (struct cpp_options): Add cxx23_identifiers.
+	* charset.c (CXX23, NXX23): New enumerators.
+	(CID, NFC, NKC, CTX): Renumber.
+	(ucn_valid_in_identifier): Implement P1949R7 - use CXX23 and
+	NXX23 flags for cxx23_identifiers.  For start character in
+	non-pedantic mode, allow characters that are allowed as start
+	characters in any of the supported language modes, rather than
+	disallowing characters allowed only as non-start characters in
+	current mode but for characters from other language modes allowing
+	them even if they are never allowed at start.
+	* init.c (struct lang_flags): Add cxx23_identifiers.
+	(lang_defaults): Add cxx23_identifiers column.
+	(cpp_set_lang): Initialize CPP_OPTION (pfile, cxx23_identifiers).
+	* lex.c (warn_about_normalization): If cxx23_identifiers, use
+	cpp_pedwarning_with_line instead of cpp_warning_with_line for
+	"is not in NFC" diagnostics.
+	* makeucnid.c: Adjust usage comment.
+	(CXX23, NXX23): New enumerators.
+	(all_languages): Add CXX23.
+	(not_NFC, not_NFKC, maybe_not_NFC): Renumber.
+	(read_derivedcore): New function.
+	(write_table): Print also CXX23 and NXX23 columns.
+	(main): Require 5 arguments instead of 4, call read_derivedcore.
+	* ucnid.h: Regenerated using Unicode 13.0.0 files.
+
+2021-09-01  Jason Merrill  <jason@redhat.com>
+
+	* macro.c (replace_args): When __VA_OPT__ is on the LHS of ##,
+	remove trailing avoid_paste tokens.
+
+2021-09-01  Jakub Jelinek  <jakub@redhat.com>
+
+	PR preprocessor/101488
+	* macro.c (replace_args): Fix up handling of CPP_PADDING tokens at the
+	start or end of __VA_OPT__ arguments when preceeded or followed by ##.
+
 2021-08-31  Martin Sebor  <msebor@redhat.com>
 
 	* include/line-map.h (class rich_location): Disable copying and
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index 3d9bd00..593e642 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,7 @@
+2021-09-01  Sebastian Huber  <sebastian.huber@embedded-brains.de>
+
+	* unwind-arm-common.inc (abort): Remove.
+
 2021-08-31  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* config/aarch64/value-unwind.h: Add missing runtime exception
diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index ced7173..7c337c2 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,10 @@
+2021-09-01  Iain Sandoe  <iain@sandoe.co.uk>
+
+	* configure: Regenerate.
+	* configure.ac: Do not search for sbrk on Darwin.
+	* xmalloc.c: Do not declare sbrk unless it has been found
+	by configure.
+
 2021-08-29  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* d-demangle.c (dlang_identifier): Skip over fake parent manglings.
diff --git a/libphobos/ChangeLog b/libphobos/ChangeLog
index d9efdad..fa1aef7 100644
--- a/libphobos/ChangeLog
+++ b/libphobos/ChangeLog
@@ -1,3 +1,12 @@
+2021-09-01  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* m4/druntime/os.m4: Update comment for DRUNTIME_OS_SOURCES.
+
+2021-09-01  Iain Buclaw  <ibuclaw@gdcproject.org>
+
+	* src/Makefile.am: Don't add zlib when ENABLE_LIBDRUNTIME_ONLY.
+	* src/Makefile.in: Regenerate.
+
 2021-08-30  Iain Buclaw  <ibuclaw@gdcproject.org>
 
 	* configure: Regenerate.