Daily bump.

8 files changed, 441 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0fb2567..5e5a720 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,169 @@
+2021-11-17  Andrew Pinski  <apinski@marvell.com>
+
+	PR tree-optimization/103228
+	PR tree-optimization/55177
+	* match.pd ((type) X bitop CST): Also do this
+	transformation for nop conversions.
+
+2021-11-17  Martin Sebor  <msebor@redhat.com>
+
+	PR tree-optimization/102759
+	* gimple-array-bounds.cc (build_printable_array_type): Move...
+	* gimple-ssa-warn-access.cc (build_printable_array_type): Avoid
+	pathological function redeclarations that remove a previously
+	declared prototype.
+	Improve formatting of function arguments in informational notes.
+	* pointer-query.cc (build_printable_array_type): ...to here.
+	* pointer-query.h (build_printable_array_type): Declared.
+
+2021-11-17  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR target/102952
+	* config/i386/i386-opts.h (harden_sls): New enum.
+	* config/i386/i386.c (output_indirect_thunk): Mitigate against
+	SLS for function return.
+	(ix86_output_function_return): Likewise.
+	(ix86_output_jmp_thunk_or_indirect): Mitigate against indirect
+	branch.
+	(ix86_output_indirect_jmp): Likewise.
+	(ix86_output_call_insn): Likewise.
+	* config/i386/i386.opt: Add -mharden-sls=.
+	* doc/invoke.texi: Document -mharden-sls=.
+
+2021-11-17  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR target/103307
+	* config/i386/i386.c (ix86_code_end): Remove "%!" before ret.
+	(ix86_output_function_return): Likewise.
+	* config/i386/i386.md (simple_return_pop_internal): Likewise.
+
+2021-11-17  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR ipa/103246
+	* ipa-modref.c (read_modref_records): Fix streaminig in of every_access
+	flag.
+
+2021-11-17  Uroš Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/i386.c (indirect_thunks_used): Redefine as HARD_REG_SET.
+	(ix86_code_end): Use TEST_HARD_REG_BIT on indirect_thunks_used.
+	(ix86_output_indirect_branch_via_reg): Use SET_HARD_REG_BIT
+	on indirect_thunks_used.
+	(ix86_output_indirect_function_return): Ditto.
+
+2021-11-17  Jan Hubicka  <hubicka@ucw.cz>
+
+	* ipa-modref-tree.c: Include cgraph.h and tree-streamer.h.
+	(modref_access_node::stream_out): New member function.
+	(modref_access_node::stream_in): New member function.
+	* ipa-modref-tree.h (modref_access_node::stream_out,
+	modref_access_node::stream_in): Declare.
+	* ipa-modref.c (modref_summary_lto::useful_p): Free useless kills.
+	(modref_summary_lto::dump): Dump kills.
+	(analyze_store): Record kills for LTO
+	(analyze_stmt): Likewise.
+	(modref_summaries_lto::duplicate): Duplicate kills.
+	(write_modref_records): Use new stream_out member function.
+	(read_modref_records): Likewise.
+	(modref_write): Stream out kills.
+	(read_section): Stream in kills
+	(remap_kills): New function.
+	(update_signature): Use it.
+
+2021-11-17  Uroš Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/i386.h (LEGACY_SSE_REGNO_P): New predicate.
+	(SSE_REGNO_P): Use LEGACY_SSE_REGNO_P predicate.
+	* config/i386/i386.c (zero_all_vector_registers):
+	Use LEGACY_SSE_REGNO_P predicate.
+	(ix86_register_priority): Use REX_INT_REGNO_P, REX_SSE_REGNO_P
+	and EXT_REG_SSE_REGNO_P predicates.
+	(ix86_hard_regno_call_part_clobbered): Use REX_SSE_REGNO_P
+	and LEGACY_SSE_REGNO_P predicates.
+
+2021-11-17  Jason Merrill  <jason@redhat.com>
+
+	* doc/invoke.texi (C++ Dialect Options): Document
+	-fimplicit-constexpr.
+
+2021-11-17  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
+
+	* config/aarch64/aarch64-modes.def (VECTOR_MODE): New V8DI mode.
+	* config/aarch64/aarch64.c (aarch64_hard_regno_mode_ok): Handle
+	V8DImode.
+	* config/aarch64/iterators.md (define_mode_attr nunits): Add entry
+	for V8DI.
+
+2021-11-17  Martin Uecker  <uecker@gcc.gnu.org>
+
+	PR c/91038
+	PR c/29970
+	* gimplify.c (gimplify_var_or_parm_decl): Update comment.
+	(gimplify_compound_lval): Gimplify base expression first.
+	(gimplify_target_expr): Add comment.
+
+2021-11-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/103192
+	* tree-ssa-loop-im.c (move_computations_worker): Use
+	reset_flow_sensitive_info instead of manually clearing
+	SSA_NAME_RANGE_INFO and do it for all SSA_NAMEs, not just ones
+	with integral types.
+
+2021-11-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/103255
+	* gimple-range-fold.cc (fold_using_range::range_of_address): Return
+	range_nonzero rather than unadjusted base's range.  Formatting fixes.
+
+2021-11-17  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* doc/md.texi (cond_fmin@var{mode}, cond_fmax@var{mode}): Document.
+	* optabs.def (cond_fmin_optab, cond_fmax_optab): New optabs.
+	* internal-fn.def (COND_FMIN, COND_FMAX): New functions.
+	* internal-fn.c (first_commutative_argument): Handle them.
+	(FOR_EACH_COND_FN_PAIR): Likewise.
+	* match.pd (UNCOND_BINARY, COND_BINARY): Likewise.
+	* config/aarch64/aarch64-sve.md (cond_<fmaxmin><mode>): New
+	pattern.
+
+2021-11-17  Kewen Lin  <linkw@linux.ibm.com>
+
+	* config/i386/i386.md (*add<dwi>3_doubleword, *addv<dwi>4_doubleword,
+	*addv<dwi>4_doubleword_1, *sub<dwi>3_doubleword,
+	*subv<dwi>4_doubleword, *subv<dwi>4_doubleword_1,
+	*add<dwi>3_doubleword_cc_overflow_1, *divmodsi4_const,
+	*neg<dwi>2_doubleword, *tls_dynamic_gnu2_combine_64_<mode>): Fix split
+	condition.
+
+2021-11-17  Andrew Pinski  <apinski@marvell.com>
+
+	PR tree-optimization/103288
+	* tree-ssa-phiopt.c (value_replacement): Return early if middle
+	block has more than one pred.
+
+2021-11-17  Kewen Lin  <linkw@linux.ibm.com>
+
+	* config/visium/visium.md (*add<mode>3_insn, *addsi3_insn, *addi3_insn,
+	*sub<mode>3_insn, *subsi3_insn, *subdi3_insn, *neg<mode>2_insn,
+	*negdi2_insn, *and<mode>3_insn, *ior<mode>3_insn, *xor<mode>3_insn,
+	*one_cmpl<mode>2_insn, *ashl<mode>3_insn, *ashr<mode>3_insn,
+	*lshr<mode>3_insn, *trunchiqi2_insn, *truncsihi2_insn,
+	*truncdisi2_insn, *extendqihi2_insn, *extendqisi2_insn,
+	*extendhisi2_insn, *extendsidi2_insn, *zero_extendqihi2_insn,
+	*zero_extendqisi2_insn, *zero_extendsidi2_insn): Fix split condition.
+
+2021-11-17  Marek Polacek  <polacek@redhat.com>
+
+	PR preprocessor/103026
+	* doc/invoke.texi: Document -Wbidi-chars.
+
+2021-11-17  Jan Hubicka  <hubicka@ucw.cz>
+
+	PR ipa/103246
+	* ipa-modref.c (ipa_merge_modref_summary_after_inlining): Fix clearing
+	of to_info_lto
+
 2021-11-16  Jan Hubicka  <jh@suse.cz>
 
 	* ipa-modref.c (get_modref_function_summary): Declare.
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 530e4a5..15171a2 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20211117
+20211118
diff --git a/gcc/analyzer/ChangeLog b/gcc/analyzer/ChangeLog
index be7b286..d9fc37c 100644
--- a/gcc/analyzer/ChangeLog
+++ b/gcc/analyzer/ChangeLog
@@ -1,3 +1,20 @@
+2021-11-17  David Malcolm  <dmalcolm@redhat.com>
+
+	PR analyzer/102695
+	* region-model-impl-calls.cc (region_model::impl_call_strchr): New.
+	* region-model-manager.cc
+	(region_model_manager::maybe_fold_unaryop): Simplify cast to
+	pointer type of an existing pointer to a region.
+	* region-model.cc (region_model::on_call_pre): Handle
+	BUILT_IN_STRCHR and "strchr".
+	(write_to_const_diagnostic::emit): Add auto_diagnostic_group.  Add
+	alternate wordings for functions and labels.
+	(write_to_const_diagnostic::describe_final_event): Add alternate
+	wordings for functions and labels.
+	(region_model::check_for_writable_region): Handle RK_FUNCTION and
+	RK_LABEL.
+	* region-model.h (region_model::impl_call_strchr): New decl.
+
 2021-11-16  David Malcolm  <dmalcolm@redhat.com>
 
 	PR analyzer/102662
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index c5ae8c1..21f153e 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,16 @@
+2021-11-17  Martin Uecker  <uecker@gcc.gnu.org>
+
+	PR c/91038
+	PR c/29970
+	* c-common.c (pointer_int_sum): Make sure pointer expressions
+	are evaluated first when the size expression depends on for
+	variably-modified types.
+
+2021-11-17  Marek Polacek  <polacek@redhat.com>
+
+	PR preprocessor/103026
+	* c.opt (Wbidi-chars, Wbidi-chars=): New option.
+
 2021-11-16  Jason Merrill  <jason@redhat.com>
 
 	* c-common.c (release_tree_vector): Only cache vecs smaller than
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 3ce48f1..8dcd6be 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,9 @@
+2021-11-17  Martin Sebor  <msebor@redhat.com>
+
+	PR c/101702
+	* c-decl.c (get_parm_array_spec): Strip casts earlier and fold array
+	bounds before deciding if they're constant.
+
 2021-11-15  Jakub Jelinek  <jakub@redhat.com>
 
 	* c-parser.c (OMP_TARGET_CLAUSE_MASK): Add
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 566c571..594cc2c 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,120 @@
+2021-11-17  Andrew Pinski  <apinski@marvell.com>
+
+	PR tree-optimization/103228
+	PR tree-optimization/55177
+	* gcc.dg/tree-ssa/pr103228-1.c: New test.
+	* gcc.dg/tree-ssa/pr55177-1.c: New test.
+
+2021-11-17  David Malcolm  <dmalcolm@redhat.com>
+
+	PR preprocessor/103026
+	* c-c++-common/Wbidi-chars-ranges.c: New test.
+
+2021-11-17  Martin Sebor  <msebor@redhat.com>
+
+	PR tree-optimization/102759
+	* gcc.dg/Warray-parameter-10.c: New test.
+	* gcc.dg/Wstringop-overflow-82.c: New test.
+
+2021-11-17  H.J. Lu  <hjl.tools@gmail.com>
+
+	PR target/102952
+	* gcc.target/i386/harden-sls-1.c: New test.
+	* gcc.target/i386/harden-sls-2.c: Likewise.
+	* gcc.target/i386/harden-sls-3.c: Likewise.
+	* gcc.target/i386/harden-sls-4.c: Likewise.
+	* gcc.target/i386/harden-sls-5.c: Likewise.
+
+2021-11-17  Martin Sebor  <msebor@redhat.com>
+
+	PR c/101702
+	* gcc.dg/Warray-parameter-11.c: New test.
+
+2021-11-17  Jeff Law  <jeffreyalaw@gmail.com>
+
+	* gcc.target/mips/frame-header-1.c (bar): Add noipa attribute.
+	* gcc.target/mips/frame-header-2.c (bar): Likewise.
+
+2021-11-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR preprocessor/103130
+	* c-c++-common/cpp/dir-only-9.c: New test.
+
+2021-11-17  Martin Uecker  <uecker@gcc.gnu.org>
+
+	PR c/91038
+	PR c/29970
+	* gcc.dg/vla-stexp-3.c: New test.
+	* gcc.dg/vla-stexp-4.c: New test.
+	* gcc.dg/vla-stexp-5.c: New test.
+	* gcc.dg/vla-stexp-6.c: New test.
+	* gcc.dg/vla-stexp-7.c: New test.
+	* gcc.dg/vla-stexp-8.c: New test.
+	* gcc.dg/vla-stexp-9.c: New test.
+
+2021-11-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/103255
+	* gcc.c-torture/execute/pr103255.c: New test.
+
+2021-11-17  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* gcc.target/aarch64/sve/cond_fmaxnm_5.c: New test.
+	* gcc.target/aarch64/sve/cond_fmaxnm_5_run.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fmaxnm_6.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fmaxnm_6_run.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fmaxnm_7.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fmaxnm_7_run.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fmaxnm_8.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fmaxnm_8_run.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fminnm_5.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fminnm_5_run.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fminnm_6.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fminnm_6_run.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fminnm_7.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fminnm_7_run.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fminnm_8.c: Likewise.
+	* gcc.target/aarch64/sve/cond_fminnm_8_run.c: Likewise.
+
+2021-11-17  Andrew Pinski  <apinski@marvell.com>
+
+	PR tree-optimization/103288
+	* gcc.c-torture/compile/pr103288-1.c: New test.
+
+2021-11-17  Marek Polacek  <polacek@redhat.com>
+
+	PR preprocessor/103026
+	* c-c++-common/Wbidi-chars-1.c: New test.
+	* c-c++-common/Wbidi-chars-2.c: New test.
+	* c-c++-common/Wbidi-chars-3.c: New test.
+	* c-c++-common/Wbidi-chars-4.c: New test.
+	* c-c++-common/Wbidi-chars-5.c: New test.
+	* c-c++-common/Wbidi-chars-6.c: New test.
+	* c-c++-common/Wbidi-chars-7.c: New test.
+	* c-c++-common/Wbidi-chars-8.c: New test.
+	* c-c++-common/Wbidi-chars-9.c: New test.
+	* c-c++-common/Wbidi-chars-10.c: New test.
+	* c-c++-common/Wbidi-chars-11.c: New test.
+	* c-c++-common/Wbidi-chars-12.c: New test.
+	* c-c++-common/Wbidi-chars-13.c: New test.
+	* c-c++-common/Wbidi-chars-14.c: New test.
+	* c-c++-common/Wbidi-chars-15.c: New test.
+	* c-c++-common/Wbidi-chars-16.c: New test.
+	* c-c++-common/Wbidi-chars-17.c: New test.
+
+2021-11-17  David Malcolm  <dmalcolm@redhat.com>
+
+	PR analyzer/102695
+	* gcc.dg/analyzer/pr102695.c: New test.
+	* gcc.dg/analyzer/strchr-1.c: New test.
+
+2021-11-17  David Malcolm  <dmalcolm@redhat.com>
+
+	PR analyzer/102779
+	* gcc.dg/analyzer/capacity-1.c: Add dg-require-effective-target
+	alloca.  Use __builtin_alloca rather than alloca.
+	* gcc.dg/analyzer/capacity-3.c: Likewise.
+
 2021-11-16  Jan Hubicka  <jh@suse.cz>
 
 	* gcc.dg/tree-ssa/modref-dse-4.c: New test.
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index e0e71a4..3bcf688 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,74 @@
+2021-11-17  David Malcolm  <dmalcolm@redhat.com>
+
+	PR preprocessor/103026
+	* lex.c (struct bidi::context): New.
+	(bidi::vec): Convert to a vec of context rather than unsigned
+	char.
+	(bidi::ctx_at): Rename to...
+	(bidi::pop_kind_at): ...this and reimplement for above change.
+	(bidi::current_ctx): Update for change to vec.
+	(bidi::current_ctx_ucn_p): Likewise.
+	(bidi::current_ctx_loc): New.
+	(bidi::on_char): Update for usage of context struct.  Add "loc"
+	param and pass it when pushing contexts.
+	(get_location_for_byte_range_in_cur_line): New.
+	(get_bidi_utf8): Rename to...
+	(get_bidi_utf8_1): ...this, reintroducing...
+	(get_bidi_utf8): ...as a wrapper, setting *OUT when the result is
+	not NONE.
+	(get_bidi_ucn): Rename to...
+	(get_bidi_ucn_1): ...this, reintroducing...
+	(get_bidi_ucn): ...as a wrapper, setting *OUT when the result is
+	not NONE.
+	(class unpaired_bidi_rich_location): New.
+	(maybe_warn_bidi_on_close): Use unpaired_bidi_rich_location when
+	reporting on unpaired bidi chars.  Split into singular vs plural
+	spellings.
+	(maybe_warn_bidi_on_char): Pass in a location_t rather than a
+	const uchar * and use it when emitting warnings, and when calling
+	bidi::on_char.
+	(_cpp_skip_block_comment): Capture location when kind is not NONE
+	and pass it to maybe_warn_bidi_on_char.
+	(skip_line_comment): Likewise.
+	(forms_identifier_p): Likewise.
+	(lex_raw_string): Likewise.
+	(lex_string): Likewise.
+
+2021-11-17  David Malcolm  <dmalcolm@redhat.com>
+
+	PR preprocessor/103026
+	* lex.c (maybe_warn_bidi_on_close): Use a rich_location
+	and call set_escape_on_output (true) on it.
+	(maybe_warn_bidi_on_char): Likewise.
+
+2021-11-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR preprocessor/103130
+	* lex.c (cpp_directive_only_process): Treat even \*/ as end of block
+	comment.
+
+2021-11-17  Marek Polacek  <polacek@redhat.com>
+
+	PR preprocessor/103026
+	* include/cpplib.h (enum cpp_bidirectional_level): New.
+	(struct cpp_options): Add cpp_warn_bidirectional.
+	(enum cpp_warning_reason): Add CPP_W_BIDIRECTIONAL.
+	* internal.h (struct cpp_reader): Add warn_bidi_p member
+	function.
+	* init.c (cpp_create_reader): Set cpp_warn_bidirectional.
+	* lex.c (bidi): New namespace.
+	(get_bidi_utf8): New function.
+	(get_bidi_ucn): Likewise.
+	(maybe_warn_bidi_on_close): Likewise.
+	(maybe_warn_bidi_on_char): Likewise.
+	(_cpp_skip_block_comment): Implement warning about bidirectional
+	control characters.
+	(skip_line_comment): Likewise.
+	(forms_identifier_p): Likewise.
+	(lex_identifier): Likewise.
+	(lex_string): Likewise.
+	(lex_raw_string): Likewise.
+
 2021-11-01  David Malcolm  <dmalcolm@redhat.com>
 
 	* charset.c (convert_escape): Use encoding_rich_location when
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 98f66af..575e1d2 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,53 @@
+2021-11-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/experimental/internet (address): Use std::_Construct
+	to initialize union members.
+
+2021-11-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/basic_string.h (_M_construct_aux): Only define
+	for C++98. Remove constexpr.
+	(_M_construct_aux_2): Likewise.
+	(_M_construct(InputIter, InputIter)): Remove.
+	(basic_string(const basic_string&)): Call _M_construct with
+	iterator category argument.
+	(basic_string(const basic_string&, size_type, const Alloc&)):
+	Likewise.
+	(basic_string(const basic_string&, size_type, size_type)):
+	Likewise.
+	(basic_string(const charT*, size_type, const Alloc&)): Likewise.
+	Check for null pointer.
+	(basic_string(const charT*, const Alloc&)): Likewise.
+	(basic_string(initializer_list<charT>, const Alloc&)): Call
+	_M_construct with iterator category argument.
+	(basic_string(const basic_string&, const Alloc&)): Likewise.
+	(basic_string(basic_string&&, const Alloc&)): Likewise.
+	(basic_string(_InputIter, _InputIter, const Alloc&)): Likewise
+	for C++11 and later, call _M_construct_aux for C++98.
+	* include/bits/basic_string.tcc
+	(_M_construct(I, I, input_iterator_tag)): Replace try-block with
+	RAII type.
+	(_M_construct(I, I, forward_iterator_tag)): Likewise. Remove
+	__is_null_pointer check.
+
+2021-11-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/103295
+	* include/bits/basic_string.h (_M_use_local_data()): New
+	member function to make local buffer the active member.
+	(assign(const basic_string&)): Use it.
+	* include/bits/basic_string.tcc (_M_construct, reserve()):
+	Likewise.
+
+2021-11-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/103240
+	* libsupc++/tinfo2.cc (type_info::before): Use unadjusted name
+	to check for the '*' prefix.
+	* testsuite/util/testsuite_shared.cc: Add type_info object for
+	use in new test.
+	* testsuite/18_support/type_info/103240.cc: New test.
+
 2021-11-16  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/bits/basic_string.h (operator<=>): Use constexpr