[gcc r14-2662] Daily bump.

[gcc r14-2662] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:49bed11d96cf727de7e6ed35f065a4df29f6c589

commit r14-2662-g49bed11d96cf727de7e6ed35f065a4df29f6c589
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Thu Jul 20 00:17:53 2023 +0000

    Daily bump.

Diff:
---
 gcc/ChangeLog           | 124 ++++++++++++++++++++++++++++++++++++++++++++++++
 gcc/DATESTAMP           |   2 +-
 gcc/analyzer/ChangeLog  |   9 ++++
 gcc/cp/ChangeLog        |  35 ++++++++++++++
 gcc/fortran/ChangeLog   |   8 ++++
 gcc/m2/ChangeLog        |  60 +++++++++++++++++++++++
 gcc/testsuite/ChangeLog | 110 ++++++++++++++++++++++++++++++++++++++++++
 libcpp/ChangeLog        |  21 ++++++++
 libgcc/ChangeLog        |   5 ++
 libgomp/ChangeLog       |  12 +++++
 libstdc++-v3/ChangeLog  | 119 ++++++++++++++++++++++++++++++++++++++++++++++
 11 files changed, 504 insertions(+), 1 deletion(-)

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 11ca33b2f2c..47b872b682d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,127 @@
+2023-07-19  Vladimir N. Makarov  <vmakarov@redhat.com>
+
+	* lra-int.h (lra_update_fp2sp_elimination): New prototype.
+	(lra_asm_insn_error): New prototype.
+	* lra-spills.cc (remove_pseudos): Add check for pseudo slot memory
+	existence.
+	(lra_spill): Call lra_update_fp2sp_elimination.
+	* lra-eliminations.cc: Remove trailing spaces.
+	(elimination_fp2sp_occured_p): New static flag.
+	(lra_eliminate_regs_1): Set the flag up.
+	(update_reg_eliminate): Modify the assert for stack to frame
+	pointer elimination.
+	(lra_update_fp2sp_elimination): New function.
+	(lra_eliminate): Clear flag elimination_fp2sp_occured_p.
+
+2023-07-19  Andrew Carlotti  <andrew.carlotti@arm.com>
+
+	* config/aarch64/aarch64.h (TARGET_MEMTAG): Remove armv8.5
+	dependency.
+	* config/aarch64/arm_acle.h: Remove unnecessary armv8.x
+	dependencies from target pragmas.
+	* config/aarch64/arm_fp16.h (target): Likewise.
+	* config/aarch64/arm_neon.h (target): Likewise.
+
+2023-07-19  Andrew Pinski  <apinski@marvell.com>
+
+	PR tree-optimization/110252
+	* tree-ssa-phiopt.cc (class auto_flow_sensitive): New class.
+	(auto_flow_sensitive::auto_flow_sensitive): New constructor.
+	(auto_flow_sensitive::~auto_flow_sensitive): New deconstructor.
+	(match_simplify_replacement): Temporarily
+	remove the flow sensitive info on the two statements that might
+	be moved.
+
+2023-07-19  Andrew Pinski  <apinski@marvell.com>
+
+	* gimple-fold.cc (fosa_unwind): Replace `vrange_storage *`
+	with flow_sensitive_info_storage.
+	(follow_outer_ssa_edges): Update how to save off the flow
+	sensitive info.
+	(maybe_fold_comparisons_from_match_pd): Update restoring
+	of flow sensitive info.
+	* tree-ssanames.cc (flow_sensitive_info_storage::save): New method.
+	(flow_sensitive_info_storage::restore): New method.
+	(flow_sensitive_info_storage::save_and_clear): New method.
+	(flow_sensitive_info_storage::clear_storage): New method.
+	* tree-ssanames.h (class flow_sensitive_info_storage): New class.
+
+2023-07-19  Andrew Pinski  <apinski@marvell.com>
+
+	PR tree-optimization/110726
+	* match.pd ((a|b)&(a==b),a|(a==b),(a&b)|(a==b)):
+	Add checks to make sure the type was one bit precision
+	intergal type.
+
+2023-07-19  Ju-Zhe Zhong  <juzhe.zhong@rivai.ai>
+
+	* doc/md.texi: Add mask_len_fold_left_plus.
+	* internal-fn.cc (mask_len_fold_left_direct): Ditto.
+	(expand_mask_len_fold_left_optab_fn): Ditto.
+	(direct_mask_len_fold_left_optab_supported_p): Ditto.
+	* internal-fn.def (MASK_LEN_FOLD_LEFT_PLUS): Ditto.
+	* optabs.def (OPTAB_D): Ditto.
+
+2023-07-19  Jakub Jelinek  <jakub@redhat.com>
+
+	* tree-switch-conversion.h (class bit_test_cluster): Fix comment typo.
+
+2023-07-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/110731
+	* wide-int.cc (wi::divmod_internal): Always unpack dividend and
+	divisor as UNSIGNED regardless of sgn.
+
+2023-07-19  Lehua Ding  <lehua.ding@rivai.ai>
+
+	* common/config/riscv/riscv-common.cc (riscv_supported_std_ext): Init.
+	(standard_extensions_p): Add check.
+	(riscv_subset_list::add): Just return NULL if it failed before.
+	(riscv_subset_list::parse_std_ext): Continue parse when find a error
+	(riscv_subset_list::parse): Just return NULL if it failed before.
+	* config/riscv/riscv-subset.h (class riscv_subset_list): Add field.
+
+2023-07-19  Jan Beulich  <jbeulich@suse.com>
+
+	* config/i386/i386-expand.cc (ix86_expand_vector_init_duplicate):
+	Use gen_vec_set_0.
+	(ix86_expand_vector_extract): Use gen_vec_extract_lo /
+	gen_vec_extract_hi.
+	(expand_vec_perm_broadcast_1): Use gen_vec_interleave_high /
+	gen_vec_interleave_low. Rename local variable.
+
+2023-07-19  Jan Beulich  <jbeulich@suse.com>
+
+	* config/i386/sse.md (vec_dupv2df<mask_name>): Add new AVX512F
+	alternative. Move AVX512VL part of condition to new "enabled"
+	attribute.
+
+2023-07-19  liuhongt  <hongtao.liu@intel.com>
+
+	PR target/109504
+	* config/i386/i386-builtins.cc
+	(ix86_register_float16_builtin_type): Remove TARGET_SSE2.
+	(ix86_register_bf16_builtin_type): Ditto.
+	* config/i386/i386-c.cc (ix86_target_macros): When TARGET_SSE2
+	isn't available, undef the macros which are used to check the
+	backend support of the _Float16/__bf16 types when building
+	libstdc++ and libgcc.
+	* config/i386/i386.cc (construct_container): Issue errors for
+	HFmode/BFmode when TARGET_SSE2 is not available.
+	(function_value_32): Ditto.
+	(ix86_scalar_mode_supported_p): Remove TARGET_SSE2 for HFmode/BFmode.
+	(ix86_libgcc_floating_mode_supported_p): Ditto.
+	(ix86_emit_support_tinfos): Adjust codes.
+	(ix86_invalid_conversion): Return diagnostic message string
+	when there's conversion from/to BF/HFmode w/o TARGET_SSE2.
+	(ix86_invalid_unary_op): New function.
+	(ix86_invalid_binary_op): Ditto.
+	(TARGET_INVALID_UNARY_OP): Define.
+	(TARGET_INVALID_BINARY_OP): Define.
+	* config/i386/immintrin.h [__SSE2__]: Remove for fp16/bf16
+	related instrinsics header files.
+	* config/i386/i386.h (VALID_SSE2_TYPE_MODE): New macro.
+
 2023-07-18  Uros Bizjak  <ubizjak@gmail.com>
 
 	* dwarf2asm.cc: Change FALSE to false.
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 2292579c26f..4b8414aa23f 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20230719
+20230720
diff --git a/gcc/analyzer/ChangeLog b/gcc/analyzer/ChangeLog
index 6b38d388941..e75656859b0 100644
--- a/gcc/analyzer/ChangeLog
+++ b/gcc/analyzer/ChangeLog
@@ -1,3 +1,12 @@
+2023-07-19  David Malcolm  <dmalcolm@redhat.com>
+
+	PR analyzer/110700
+	* region-model-manager.cc
+	(region_model_manager::get_or_create_int_cst): Assert that we have
+	an integral or pointer type.
+	* sm-taint.cc (taint_state_machine::check_for_tainted_divisor):
+	Don't check non-integral types.
+
 2023-06-29  benjamin priour  <priour.be@gmail.com>
 
 	PR analyzer/110198
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 968b81519dc..59491e545d9 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,38 @@
+2023-07-19  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/110745
+	* error.cc (dump_simple_decl): Print base class name.
+
+2023-07-19  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/110064
+	* typeck2.cc (process_init_constructor_record): Don't emit
+	-Wmissing-field-initializers for empty classes.
+
+2023-07-19  Patrick Palka  <ppalka@redhat.com>
+
+	* pt.cc (type_unification_real): Test for PARM_DECL instead
+	of TEMPLATE_PARM_INDEX to distinguish a type vs non-type
+	template parameter pack.
+	(type_targs_deducible_from): Likewise.
+
+2023-07-19  Patrick Palka  <ppalka@redhat.com>
+
+	* pt.cc (tsubst_function_decl): Add defaulted 'use_spec_table'
+	flag parameter.  Don't look up or insert into the specializations
+	table if 'use_spec_table' is false.
+	(tsubst_decl): Add defaulted 'use_spec_table' flag parameter.
+	Check for error_mark_node.
+	<case FUNCTION_DECL>: Pass 'use_spec_table' to
+	tsubst_function_decl.
+	<case TYPE/VAR_DECL>: Don't call coerce_template_parms.
+	Don't look up or insert into the specializations table if
+	'use_spec_table' is false.  Exit earlier if the substituted
+	type is erroneous and we're not complaining, and do so for
+	alias specializations as well.
+	(instantiate_template): Pass false as 'use_spec_table'
+	to tsubst_decl.  Call register_specialization afterwards.
+
 2023-07-18  Jason Merrill  <jason@redhat.com>
 
 	* constexpr.cc (cxx_eval_bit_cast): Check that the result of
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index c64c52ef8ad..3663a74b981 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,11 @@
+2023-07-19  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR fortran/107424
+	* trans-openmp.cc (gfc_nonrect_loop_expr): Accept all
+	constant loop steps.
+	(gfc_trans_omp_do): Likewise; use sign to determine
+	loop direction.
+
 2023-07-17  Harald Anlauf  <anlauf@gmx.de>
 
 	PR fortran/95947
diff --git a/gcc/m2/ChangeLog b/gcc/m2/ChangeLog
index 62824f210e7..718c6f5f901 100644
--- a/gcc/m2/ChangeLog
+++ b/gcc/m2/ChangeLog
@@ -1,3 +1,63 @@
+2023-07-19  Gaius Mulley  <gaiusmod2@gmail.com>
+
+	PR modula2/110284
+	* Make-lang.in (m2_OBJS): Add m2/gm2-gcc/rtegraph.o and
+	m2/gm2-compiler-boot/m2flex.o.
+	(c-family/m2pp.o): Remove.
+	* Make-maintainer.in (c-family/m2pp.o): Add.
+
+2023-07-19  Gaius Mulley  <gaiusmod2@gmail.com>
+
+	* gm2-compiler/M2Quads.mod (BuildDifAdrFunction): Removed
+	unnecessary in error message.  Use vartok for location.
+	(BuildOddFunction): Use optok for location.
+	(BuildAbsFunction): Use vartok for location.  Bugfix set vartok.
+	(BuildCapFunction): Use optok for location.
+	(BuildOrdFunction): Use optok for location and correct format
+	specifier.
+	(BuildShiftFunction): Use vartok for location.
+	(BuildRotateFunction): Use vartok for location.
+	(BuildTruncFunction): Use vartok for location.
+	(BuildFloatFunction): Use vartok for location.
+	(BuildReFunction): Use vartok for location.
+	(BuildImFunction): Use vartok for location.
+	* gm2-compiler/M2SymInit.mod (trashParam): Remove commented code.
+
+2023-07-19  Gaius Mulley  <gaiusmod2@gmail.com>
+
+	* gm2-compiler/M2Quads.mod (BuildRealFuncProcCall): Set the trash
+	parameter value to NIL if DEALLOCATE is detected.
+	* gm2-compiler/M2SymInit.mod (CheckDeferredRecordAccess): Pass
+	tok to SetVarInitialized.  Pass tok to GetVarComponentInitialized.
+	(ComponentFindVar): Add tok parameter.  Check aliased pointer
+	against Nil and generate warning if necessary.
+	(deRefComponent): Add tok and sym parameters and pass them to
+	getContent.
+	(SetVarComponentInitialized): Add tok parameter.  Pass tok to
+	ComponentFindVar.  Pass tok and sym to deRefComponent.
+	(GetVarComponentInitialized): Add tok parameter.  Pass tok to
+	ComponentFindVar.  Pass tok to deRefComponent.
+	(SetVarInitialized): Add tok parameter.  Pass tok to
+	SetVarComponentInitialized.
+	(doGetVarInitialized): Add tok parameter.  Pass tok to
+	GetVarComponentInitialized.
+	(CheckXIndr): Pass lhs and lhstok to getContent.
+	(CheckIndrX): Pass rhs and rhstok to getContent.
+	(CheckBecomes): Pass destok to ComponentFindVar.  Pass des and
+	destok to deRefComponent.
+	(CheckAddr): Pass contenttok to GetVarInitialized.  Pass ptrtok
+	to SetVarInitialized.
+	(CheckReadBeforeInitQuad): Pass op1tok to SetVarInitialized for
+	op1 cases and op3tok for op3 cases.
+	(trashParam): Get operand tokens.  Pass op3tok to
+	SetVarInitialized.  Pass op3 and op3tok to getContent.
+	Alias ptr to NIL if procedure is DEALLOCATE.  Pass op3tok to
+	SetVarInitialized.
+	(IsDeallocate): New procedure function.
+	(DetectTrash): Use IsDeallocate.
+	(SetupLAlias): Allow exp to be Nil.
+	(getContent): Generate warning message if ptr is Nil.
+
 2023-07-18  Gaius Mulley  <gaiusmod2@gmail.com>
 
 	* Make-lang.in: Minor formatting change.
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 125c20928ac..4345065bb9f 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,113 @@
+2023-07-19  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/110745
+	* g++.dg/diagnostic/base.C: New test.
+
+2023-07-19  David Malcolm  <dmalcolm@redhat.com>
+
+	PR analyzer/110700
+	* gcc.dg/analyzer/taint-divisor-2.c: New test.
+
+2023-07-19  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/110064
+	* g++.dg/warn/Wmissing-field-initializers-3.C: New test.
+
+2023-07-19  Vladimir N. Makarov  <vmakarov@redhat.com>
+
+	* gcc.target/avr/lra-elim.c: New test.
+
+2023-07-19  Gaius Mulley  <gaiusmod2@gmail.com>
+
+	* gm2/errors/fail/badabs.mod: New test.
+	* gm2/errors/fail/badenum.mod: New test.
+
+2023-07-19  Andrew Carlotti  <andrew.carlotti@arm.com>
+
+	* gcc.target/aarch64/feature-bf16-backport.c: New test.
+	* gcc.target/aarch64/feature-dotprod-backport.c: New test.
+	* gcc.target/aarch64/feature-fp16-backport.c: New test.
+	* gcc.target/aarch64/feature-fp16-scalar-backport.c: New test.
+	* gcc.target/aarch64/feature-fp16fml-backport.c: New test.
+	* gcc.target/aarch64/feature-i8mm-backport.c: New test.
+	* gcc.target/aarch64/feature-memtag-backport.c: New test.
+	* gcc.target/aarch64/feature-sha3-backport.c: New test.
+	* gcc.target/aarch64/feature-sm4-backport.c: New test.
+
+2023-07-19  Andrew Pinski  <apinski@marvell.com>
+
+	PR tree-optimization/110252
+	* gcc.dg/tree-ssa/phi-opt-25b.c: Updated as
+	__builtin_parity loses the nonzerobits info.
+	* gcc.c-torture/execute/pr110252-1.c: New test.
+	* gcc.c-torture/execute/pr110252-2.c: New test.
+	* gcc.c-torture/execute/pr110252-3.c: New test.
+	* gcc.c-torture/execute/pr110252-4.c: New test.
+
+2023-07-19  Andrew Pinski  <apinski@marvell.com>
+
+	PR tree-optimization/110726
+	* gcc.c-torture/execute/bitops-1.c: New test.
+
+2023-07-19  Gaius Mulley  <gaiusmod2@gmail.com>
+
+	* gm2/switches/uninit-variable-checking/procedures/fail/testdispose.mod: New test.
+	* gm2/switches/uninit-variable-checking/procedures/fail/testdispose2.mod: New test.
+	* gm2/switches/uninit-variable-checking/procedures/fail/testnil.mod: New test.
+
+2023-07-19  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/110731
+	* gcc.dg/pr110731.c: New test.
+
+2023-07-19  Maciej W. Rozycki  <macro@embecosm.com>
+
+	* gcc.dg/vect/bb-slp-pr95839-v8.c: New test.
+
+2023-07-19  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR fortran/107424
+	* gfortran.dg/gomp/linear-2.f90: Update dump to remove
+	the additional count variable.
+
+2023-07-19  Lehua Ding  <lehua.ding@rivai.ai>
+
+	* gcc.target/riscv/arch-2.c: Update -march.
+	* gcc.target/riscv/arch-3.c: Ditto.
+	* gcc.target/riscv/arch-5.c: Ditto.
+	* gcc.target/riscv/arch-8.c: Ditto.
+	* gcc.target/riscv/attribute-10.c: Ditto.
+	* gcc.target/riscv/attribute-18.c: Ditto.
+	* gcc.target/riscv/attribute-19.c: Ditto.
+	* gcc.target/riscv/attribute-8.c: Ditto.
+	* gcc.target/riscv/attribute-9.c: Ditto.
+	* gcc.target/riscv/pr102957.c: Ditto.
+	* gcc.target/riscv/arch-22.cc: New test.
+	* gcc.target/riscv/arch-23.c: New file.
+
+2023-07-19  Lehua Ding  <lehua.ding@rivai.ai>
+
+	* gcc.target/riscv/stack_save_restore.c: Moved to...
+	* gcc.target/riscv/stack_save_restore_2.c: ...here.
+	* gcc.target/riscv/stack_save_restore_1.c: New test.
+
+2023-07-19  Lewis Hyatt  <lhyatt@gmail.com>
+
+	PR preprocessor/103902
+	* g++.dg/cpp0x/udlit-extended-id-1.C: New test.
+	* g++.dg/cpp0x/udlit-extended-id-2.C: New test.
+	* g++.dg/cpp0x/udlit-extended-id-3.C: New test.
+	* g++.dg/cpp0x/udlit-extended-id-4.C: New test.
+
+2023-07-19  liuhongt  <hongtao.liu@intel.com>
+
+	* gcc.target/i386/pr109504.c: New test.
+	* gcc.target/i386/sse2-bfloat16-1.c: Adjust error info.
+	* gcc.target/i386/sse2-float16-1.c: Ditto.
+	* gcc.target/i386/sse2-float16-4.c: New test.
+	* gcc.target/i386/sse2-float16-5.c: New test.
+	* g++.target/i386/float16-1.C: Adjust error info.
+
 2023-07-18  Marek Polacek  <polacek@redhat.com>
 
 	PR c++/110340
diff --git a/libcpp/ChangeLog b/libcpp/ChangeLog
index 52c752335e7..3fb8a43f9c6 100644
--- a/libcpp/ChangeLog
+++ b/libcpp/ChangeLog
@@ -1,3 +1,24 @@
+2023-07-19  Lewis Hyatt  <lhyatt@gmail.com>
+
+	PR preprocessor/103902
+	* lex.cc (identifier_diagnostics_on_lex): New function refactoring
+	some common code.
+	(lex_identifier_intern): Use the new function.
+	(lex_identifier): Don't run identifier diagnostics here, rather let
+	the call site do it when needed.
+	(_cpp_lex_direct): Adjust the call sites of lex_identifier ()
+	acccordingly.
+	(struct scan_id_result): New struct.
+	(scan_cur_identifier): New function.
+	(create_literal2): New function.
+	(lit_accum::create_literal2): New function.
+	(is_macro): Folded into new function...
+	(maybe_ignore_udl_macro_suffix): ...here.
+	(is_macro_not_literal_suffix): Folded likewise.
+	(lex_raw_string): Handle UTF-8 in UDL suffix via
+	scan_cur_identifier ().
+	(lex_string): Likewise.
+
 2023-07-06  Thomas Schwinge  <thomas@codesourcery.com>
 
 	* include/symtab.h (struct ht_identifier): Document different
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index e62674676d1..e8d950cf655 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,8 @@
+2023-07-19  liuhongt  <hongtao.liu@intel.com>
+
+	* config/i386/t-softfp: Add -msse2 to libbid HFtype related
+	files.
+
 2023-07-11  Florian Weimer  <fweimer@redhat.com>
 
 	PR libgcc/110179
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index a5671bde656..4f4fedb4581 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,15 @@
+2023-07-19  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR fortran/107424
+	* libgomp.texi (Impl. Status 5.0): Add link to new PR110735.
+	* testsuite/libgomp.fortran/non-rectangular-loop-1.f90: Enable
+	commented tests.
+	* testsuite/libgomp.fortran/non-rectangular-loop-1a.f90: Remove
+	test file; tests are in non-rectangular-loop-1.f90.
+	* testsuite/libgomp.fortran/non-rectangular-loop-5.f90: Change
+	testcase to use a non-constant step to retain the 'sorry' test.
+	* testsuite/libgomp.fortran/non-rectangular-loop-6.f90: New test.
+
 2023-07-17  Tobias Burnus  <tobias@codesoucery.com>
 	    Chung-Lin Tang  <cltang@codesourcery.com>
 
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 9cdd52b5e9c..b30828546ef 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,122 @@
+2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/110077
+	* src/c++17/floating_from_chars.cc (from_chars): Only define
+	_Float128 overload when using __strfromf128.
+
+2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/110593
+	* include/bits/chrono.h (duration): Improve static assert
+	messages.
+	(__is_ratio): Move to ...
+	* include/std/ratio (__is_ratio): ... here.
+	(__is_ratio_v): New variable template and partial
+	specialization.
+	(__are_both_ratios): New function template.
+	(__ratio_multiply, ratio_equal, ratio_less, __ratio_add):
+	Add static assertion.
+	* testsuite/20_util/ratio/requirements/type_constraints.cc:
+	New test.
+	* testsuite/20_util/duration/requirements/typedefs_neg1.cc:
+	Adjust expected error.
+	* testsuite/20_util/duration/requirements/typedefs_neg2.cc:
+	Likewise.
+
+2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/chrono_io.h (__formatter_chrono::_M_format):
+	Do not set __is_neg for hh_mm_ss before calling
+	_M_format_to_ostream. Change __print_sign lambda to only check
+	__is_neg for durations and hh_mm_ss types.
+	(__formatter_chrono::_M_format_to_ostream): Only check __is_neg
+	for duration types.
+	* testsuite/std/time/hh_mm_ss/io.cc: Check negative values.
+
+2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/110719
+	* include/bits/chrono_io.h (__formatter_chrono::_S_floor_seconds):
+	Handle duration and hh_mm_ss.
+	* testsuite/20_util/duration/io.cc: Check locale-specific
+	formats.
+	* testsuite/std/time/hh_mm_ss/io.cc: Likewise.
+
+2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/std/format (__write_padded): Initialize first element
+	of array to avoid a -Wmaybe-uninitialized warning.
+
+2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/110719
+	* include/bits/chrono_io.h (__formatter_chrono::_M_parse): Fix
+	allowed modifiers for %z and %Z. Fix -Wparentheses and
+	-Wnarrowing warnings.
+	(__formatter_chrono::_M_format): Call new functions for %d, %e,
+	%H, %I, %m and %M.
+	(__formatter_chrono::_M_c): Use _S_floor_seconds to remove
+	subsecond precision.
+	(__formatter_chrono::_M_C_y_Y): Use _M_locale_fmt to handle
+	modifiers.
+	(__formatter_chrono::_M_e): Replace with _M_d_e and use
+	_M_locale_fmt.
+	(__formatter_chrono::_M_I): Replace with _M_H_I and use
+	_M_locale_fmt.
+	(__formatter_chrono::_M_m): New function.
+	(__formatter_chrono::_M_M): New function.
+	(__formatter_chrono::_M_r): Use _M_locale_fmt.
+	(__formatter_chrono::_M_S): Likewise.
+	(__formatter_chrono::_M_u_w): Likewise.
+	(__formatter_chrono::_M_U_V_W): Likewise.
+	(__formatter_chrono::_M_X): Use _S_floor_seconds.
+	(__formatter_chrono::_M_Z): Fix untested branch for wchar_t.
+	(__formatter_chrono::_S_altnum): Remove function.
+	(__formatter_chrono::_S_dd_zero_fill): Remove function.
+	(__formatter_chrono::_S_floor_seconds): New function.
+	(__formatter_chrono::_M_locale_fmt): New function.
+	* testsuite/std/time/clock/system/io.cc: Adjust expected output
+	for locale-specific formats and check modified formats.
+	* testsuite/std/time/clock/utc/io.cc: Likewise.
+	* testsuite/std/time/zoned_time/io.cc: New test.
+
+2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/110708
+	* include/bits/chrono_io.h (__formatter_chrono::_M_parse): Only
+	allow a single modifier.
+	* testsuite/std/time/format.cc: Check multiple modifiers.
+
+2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/110653
+	* testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
+	Remove dg-require-string-conversions.
+	* testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
+	Likewise.
+
+2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/110653
+	* include/bits/basic_string.h [!_GLIBCXX_HAVE_STRTOF] (stof):
+	Define in terms of std::stod.
+
+2023-07-19  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/110653
+	* include/bits/basic_string.h [_GLIBCXX_HAVE_STRTOF] (stof):
+	Define.
+	[_GLIBCXX_HAVE_STRTOLD] (stold): Define.
+	* include/c_global/cstdlib [_GLIBCXX_HAVE_STRTOF] (strtof):
+	Declare in namespace std.
+	[_GLIBCXX_HAVE_STRTOLD] (strtold): Likewise.
+
 2023-07-13  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR libstdc++/110653