Daily bump.

8 files changed, 648 insertions, 1 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 58ed7b12850..3291758820d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,174 @@
+2020-10-29  Richard Biener  <rguenther@suse.de>
+
+	* tree-ssa-pre.c (compute_avail): Free operands consistently.
+	* tree-vect-loop.c (vectorizable_phi): Make sure all operand
+	defs vectors are released.
+
+2020-10-29  Jan Hubicka  <jh@suse.cz>
+
+	* vec.h (vec<T, va_heap, vl_ptr>::copy): Pass mem stat info.
+
+2020-10-29  Jan Hubicka  <jh@suse.cz>
+
+	* wide-int.h (trailing_wide_ints <N>): Turn len to array of structures
+	so it does not imply typeless storage.
+	(trailing_wide_ints <N>::operator): update
+	(trailing_wide_ints <N>::operator []): Update.
+
+2020-10-29  Joseph Myers  <joseph@codesourcery.com>
+
+	* ginclude/stdbool.h [__STDC_VERSION__ > 201710L] (true, false):
+	Define with type _Bool.
+
+2020-10-29  Aldy Hernandez  <aldyh@redhat.com>
+
+	PR tree-optimization/97505
+	* vr-values.c (vr_values::extract_range_basic): Enable
+	trap again for everything except UBSAN builtins.
+
+2020-10-29  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* tree-vectorizer.h (vect_transform_slp_perm_load): Take an
+	optional extra parameter.
+	* tree-vect-slp.c (vect_transform_slp_perm_load): Calculate
+	the number of loads as well as the number of permutes, taking
+	the counting loop from...
+	* tree-vect-stmts.c (vect_model_load_cost): ...here.  Use the
+	value computed by vect_transform_slp_perm_load for ncopies.
+
+2020-10-29  Martin Liska  <mliska@suse.cz>
+
+	PR lto/97508
+	* langhooks.c (lhd_begin_section): Call get_section with
+	not_existing = true.
+	* output.h (get_section): Add new argument.
+	* varasm.c (get_section): Fail when NOT_EXISTING is true
+	and a section already exists.
+	* ipa-cp.c (ipcp_write_summary): Remove.
+	(ipcp_read_summary): Likewise.
+	* ipa-fnsummary.c (ipa_fn_summary_read): Always read jump
+	functions summary.
+	(ipa_fn_summary_write): Always stream it.
+
+2020-10-29  Richard Biener  <rguenther@suse.de>
+
+	* tree-vect-slp.c (vect_bb_slp_scalar_cost): Pass
+	SLP_TREE_VECTYPE to record_stmt_cost.
+
+2020-10-29  Martin Liska  <mliska@suse.cz>
+
+	* optc-gen.awk: Check that params start with -param=.
+	* params.opt: Fix ipa-jump-function-lookups.
+
+2020-10-29  Alexandre Oliva  <oliva@adacore.com>
+
+	* tree-ssa-math-opts.c (sincos_stats): Add conv_removed.
+	(execute_cse_conv_1): New.
+	(execute_cse_sincos_1): Call it.  Fix return within
+	FOR_EACH_IMM_USE_STMT.
+	(pass_cse_sincos::execute): Report conv_inserted.
+
+2020-10-29  Xuepeng Guo  <xuepeng.guo@intel.com>
+	    Hongyu Wang  <hongyu.wang@intel.com>
+	    Hongtao Liu  <hongtao.liu@intel.com>
+
+	* common/config/i386/cpuinfo.h (get_available_features):
+	Detect KL, AESKLE and WIDEKL features.
+	* common/config/i386/i386-common.c
+	(OPTION_MASK_ISA_KL_SET): New.
+	(OPTION_MASK_ISA_WIDEKL_SET): Likewise.
+	(OPTION_MASK_ISA_KL_UNSET): Likewise.
+	(OPTION_MASK_ISA_WIDEKL_UNSET): Likewise.
+	(OPTION_MASK_ISA2_AVX2_UNSET): Likewise.
+	(OPTION_MASK_ISA2_AVX_UNSET): Likewise.
+	(OPTION_MASK_ISA2_SSE4_2_UNSET): Likewise.
+	(OPTION_MASK_ISA2_SSE4_1_UNSET): Likewise.
+	(OPTION_MASK_ISA2_SSE4_UNSET): Likewise.
+	(OPTION_MASK_ISA2_SSSE3_UNSET): Likewise.
+	(OPTION_MASK_ISA2_SSE3_UNSET): Likewise.
+	(OPTION_MASK_ISA2_SSE2_UNSET): Likewise.
+	(OPTION_MASK_ISA2_SSE_UNSET): Likewise.
+	(ix86_handle_option): Handle kl and widekl, add dependency chain
+	for KL and SSE2.
+	* common/config/i386/i386-cpuinfo.h (enum processor_features):
+	(FEATURE_KL, FEATURE_AESKLE, FEATURE_WIDEKL): New.
+	* common/config/i386/i386-isas.h: Add ISA_NAMES_TABLE_ENTRY
+	for KL, AESKLE and WIDEKL.
+	* config.gcc: Add keylockerintrin.h.
+	* doc/invoke.texi: Document new option -mkl and -mwidekl.
+	* doc/extend.texi: Document kl and widekl.
+	* config/i386/cpuid.h (bit_KL, bit_AESKLE, bit_WIDEKL): New.
+	* config/i386/i386-builtin-types.def ((UINT, UINT, V2DI, V2DI, PVOID),
+	(UINT, UINT, V2DI, PVOID), (VOID, V2DI, V2DI, V2DI, UINT),
+	(UINT8, PV2DI, V2DI, PCVOID), (UINT8, PV2DI, PCV2DI, PCVOID)): New
+	function types.
+	* config/i386/i386-builtin.def: Add
+	__builtin_ia32_loadiwkey,
+	__builtin_ia32_aesdec128kl_u8,
+	__builtin_ia32_aesdec256kl_u8,
+	__builtin_ia32_aesenc128kl_u8,
+	__builtin_ia32_aesenc256kl_u8,
+	__builtin_ia32_aesdecwide128kl_u8,
+	__builtin_ia32_aesdecwide256kl_u8,
+	__builtin_ia32_aesencwide128kl_u8,
+	__builtin_ia32_aesencwide256kl_u8,
+	__builtin_ia32_encodekey128_u32,
+	__builtin_ia32_encodekey256_u32.
+	* config/i386/i386-c.c (ix86_target_macros_internal): Handle
+	kl and widekl.
+	* config/i386/i386-options.c (isa2_opts): Add -mkl and -mwidekl.
+	(ix86_option_override_internal): Handle KL and WIDEKL.
+	(ix86_valid_target_attribute_inner_p): Add attribute for kl and widekl.
+	* config/i386/i386-expand.c
+	(ix86_expand_builtin): Expand Keylocker Builtins.
+	* config/i386/i386.h (TARGET_KL): New.
+	(TARGET_KL_P): Likewise.
+	(TARGET_WIDEKL): Likewise.
+	(TARGET_WIDEKL_P): Likewise.
+	(PTA_KL): Likewise.
+	(PTA_WIDEKL): Likewise.
+	(PTA_TIGERLAKE): Add PTA_KL, PTA_WIDEKL.
+	(PTA_ALDERLAKE): Likewise.
+	* config/i386/i386.opt: Add new option mkl and mwidekl.
+	* config/i386/keylockerintrin.h: New header file for Keylocker.
+	* config/i386/immintrin.h: Include keylockerintrin.h.
+	* config/i386/predicates.md (encodekey128_operation): New
+	predicate.
+	(encodekey256_operation): Likewise.
+	(aeswidekl_operation): Likewise.
+	* config/i386/sse.md (UNSPECV_LOADIWKEY): New.
+	(UNSPECV_AESDEC128KLU8): Likewise.
+	(UNSPECV_AESENC128KLU8): Likewise.
+	(UNSPECV_AESDEC256KLU8): Likewise.
+	(UNSPECV_AESENC256KLU8): Likewise.
+	(UNSPECV_AESDECWIDE128KLU8): Likewise.
+	(UNSPECV_AESENCWIDE128KLU8): Likewise.
+	(UNSPECV_AESDECWIDE256KLU8): Likewise.
+	(UNSPECV_AESENCWIDE256KLU8): Likewise.
+	(UNSPECV_ENCODEKEY128U32): Likewise.
+	(UNSPECV_ENCODEKEY256U32): Likewise.
+	(encodekey128u32): New expander.
+	(encodekey256u32): Likewise.
+	(aes<aeswideklvariant>u8): Likewise.
+	(loadiwkey): New insn pattern.
+	(*encodekey128u32): Likewise.
+	(*encodekey256u32): Likewise.
+	(aes<aesklvariant>u8): Likewise.
+	(*aes<aeswideklvariant>u8): Likewise.
+
+2020-10-29  Richard Biener  <rguenther@suse.de>
+
+	* tree-vect-slp.c (vect_build_slp_tree_2): Allow splatting
+	not vectorizable loads.
+	(vect_build_slp_instance): Amend dumping with address.
+	(vect_slp_convert_to_external): Likewise.
+
+2020-10-29  Andrew MacLeod  <amacleod@redhat.com>
+
+	PR tree-optimization/97609
+	* gimple-range-cache.cc (non_null_ref::process_name): Call
+	infer_nonnull_range directly instead of infer_value_range.
+
 2020-10-29  David Malcolm  <dmalcolm@redhat.com>
 
 	* Makefile.in (ANALYZER_OBJS): Add analyzer/complexity.o.
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 8559f6c8b74..d724ea40a76 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20201029
+20201030
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 89913b72a89..ca844ca775a 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,10 @@
+2020-10-29  Asher Gordon  <AsDaGo@posteo.net>
+
+	* c-typeck.c (free_all_tagged_tu_seen_up_to): Replace free
+	with XDELETE.
+	(finish_init): Likewise.
+	(pop_init_level): Likewise.
+
 2020-10-28  Joseph Myers  <joseph@codesourcery.com>
 
 	* c-decl.c (store_parm_decls_newstyle): Use pedwarn_c11 not
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index aebf247711c..2ece8967676 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,95 @@
+2020-10-29  Marek Polacek  <polacek@redhat.com>
+
+	DR 625
+	PR c++/97479
+	* parser.c (cp_parser_type_id_1): Reject using auto as
+	a template-argument in C++20.
+
+2020-10-29  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/93107
+	* pt.c (do_auto_deduction): Call resolve_nondeduced_context for
+	the elements of a { } list.
+
+2020-10-29  Marek Polacek  <polacek@redhat.com>
+
+	* typeck.c (do_warn_enum_conversions): Don't warn for SPACESHIP_EXPR.
+	(cp_build_binary_op): Reject float <=> enum or enum <=> float.  Use
+	CP_INTEGRAL_TYPE_P instead of INTEGRAL_OR_ENUMERATION_TYPE_P.
+
+2020-10-29  Patrick Palka  <ppalka@redhat.com>
+
+	* constraint.cc (get_normalized_constraints): Remove 'args'
+	parameter.  Pass NULL_TREE as the initial template arguments to
+	normalize_expression.
+	(get_normalized_constraints_from_info): Remove 'args' parameter
+	and adjust the call to get_normalized_constraints.
+	(get_normalized_constraints_from_decl): Remove 'args' local
+	variable and adjust call to get_normalized_constraints_from_info.
+	(normalize_concept_definition): Remove 'args' local variable
+	and adjust call to get_normalized_constraints.
+	(normalize_constraint_expression): Remove the two-parameter
+	overload.  Remove 'args' parameter from the three-parameter
+	overload and update function comment accordingly.  Remove
+	default argument from 'diag' parameter.  Adjust call to
+	get_normalized_constraints.
+	(finish_nested_requirement): Adjust call to
+	normalize_constraint_expression.
+	(strictly_subsumes): Remove 'args' parameter.  Adjust call to
+	get_normalized_constraints_from_info.
+	(weakly_subsumes): Likewise.
+	* cp-tree.h (strictly_subsumes): Remove 'args' parameter.
+	(weakly_subsumes): Likewise.
+	* pt.c (process_partial_specialization): Adjust call to
+	strictly_subsumes.
+	(is_compatible_template_arg): Adjust call to weakly_subsumes.
+
+2020-10-29  Patrick Palka  <ppalka@redhat.com>
+
+	PR c++/97412
+	* constraint.cc (normalize_concept_check): Don't call
+	tsubst_template_args when 'args' is NULL.
+
+2020-10-29  Jason Merrill  <jason@redhat.com>
+
+	PR c++/97388
+	* constexpr.c (cxx_eval_outermost_constant_expr): Revert to
+	original expression if evaluation sets non_constant_p.
+
+2020-10-29  Jakub Jelinek  <jakub@redhat.com>
+	    Jason Merrill  <jason@redhat.com>
+
+	PR c++/97388
+	* constexpr.c (cxx_bind_parameters_in_call): Set non_constant_args
+	if the parameter type has a non-trivial destructor.
+	(cxx_eval_call_expression): Only unshare arguments if we're
+	memoizing this evaluation.
+
+2020-10-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/95808
+	* cp-tree.h (enum cp_tree_index): Add CPTI_HEAP_VEC_UNINIT_IDENTIFIER
+	and CPTI_HEAP_VEC_IDENTIFIER.
+	(heap_vec_uninit_identifier, heap_vec_identifier): Define.
+	* decl.c (initialize_predefined_identifiers): Initialize those
+	identifiers.
+	* constexpr.c (cxx_eval_call_expression): Reject array allocations
+	deallocated with non-array deallocation or non-array allocations
+	deallocated with array deallocation.
+	(non_const_var_error): Handle heap_vec_uninit_identifier and
+	heap_vec_identifier too.
+	(cxx_eval_constant_expression): Handle also heap_vec_uninit_identifier
+	and in that case during initialization replace it with
+	heap_vec_identifier.
+	(find_heap_var_refs): Handle heap_vec_uninit_identifier and
+	heap_vec_identifier too.
+
+2020-10-29  Nathan Sidwell  <nathan@acm.org>
+
+	* pt.c (push_template_decl): Do not give function-scope entities
+	other than implicit typedefs a template header. Do not readd
+	template info to a redeclared template.
+
 2020-10-28  Marek Polacek  <polacek@redhat.com>
 
 	* decl.c (grokdeclarator): Offer a fix-it hint for the "unnecessary
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 7f784b996bb..99c38899239 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,95 @@
+2020-10-29  Marek Polacek  <polacek@redhat.com>
+
+	DR 625
+	PR c++/97479
+	* g++.dg/cpp0x/auto3.C: Update dg-error.
+	* g++.dg/cpp0x/auto9.C: Likewise.
+	* g++.dg/cpp2a/concepts-pr84979-2.C: Likewise.
+	* g++.dg/cpp2a/concepts-pr84979-3.C: Likewise.
+	* g++.dg/cpp2a/concepts-pr84979.C: Likewise.
+	* g++.dg/DRs/dr625.C: New test.
+
+2020-10-29  Marek Polacek  <polacek@redhat.com>
+
+	PR c++/93107
+	* g++.dg/cpp0x/initlist-deduce3.C: New test.
+
+2020-10-29  Marek Polacek  <polacek@redhat.com>
+
+	* g++.dg/cpp2a/enum-conv1.C: Remove unused code.
+	* g++.dg/cpp2a/spaceship-err5.C: New test.
+
+2020-10-29  Patrick Palka  <ppalka@redhat.com>
+
+	PR c++/97412
+	* g++.dg/cpp2a/concepts-variadic2.C: New test.
+
+2020-10-29  Jason Merrill  <jason@redhat.com>
+
+	PR c++/97388
+	* g++.dg/cpp2a/constexpr-dtor8.C: New test.
+
+2020-10-29  Jakub Jelinek  <jakub@redhat.com>
+	    Jason Merrill  <jason@redhat.com>
+
+	PR c++/97388
+	* g++.dg/cpp2a/constexpr-dtor5.C: New test.
+	* g++.dg/cpp2a/constexpr-dtor6.C: New test.
+	* g++.dg/cpp2a/constexpr-dtor7.C: New test.
+
+2020-10-29  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/95808
+	* g++.dg/cpp2a/constexpr-new15.C: New test.
+
+2020-10-29  Joseph Myers  <joseph@codesourcery.com>
+
+	* gcc.dg/c11-bool-1.c, gcc.dg/c2x-bool-1.c, gcc.dg/c99-bool-4.c:
+	New tests.
+
+2020-10-29  Jakub Jelinek  <jakub@redhat.com>
+
+	* gcc.dg/pr97596.c: Require int128 effective target.
+
+2020-10-29  Andrew MacLeod  <amacleod@redhat.com>
+
+	* gcc.dg/pr97596.c: New.
+
+2020-10-29  Alexandre Oliva  <oliva@adacore.com>
+
+	* gnat.dg/sin_cos.ads: New.
+	* gnat.dg/sin_cos.adb: New.
+	* gcc.dg/sin_cos.c: New.
+
+2020-10-29  liuhongt  <hongtao.liu@intel.com>
+
+	* gcc.target/i386/keylocker-aesdec128kl.c: New test.
+	* gcc.target/i386/keylocker-aesdec256kl.c: Likewise.
+	* gcc.target/i386/keylocker-aesdecwide128kl.c: Likewise.
+	* gcc.target/i386/keylocker-aesdecwide256kl.c: Likewise.
+	* gcc.target/i386/keylocker-aesenc128kl.c: Likewise.
+	* gcc.target/i386/keylocker-aesencwide128kl.c: Likewise.
+	* gcc.target/i386/keylocker-aesencwide256kl.c: Likewise.
+	* gcc.target/i386/keylocker-encodekey128.c: Likewise.
+	* gcc.target/i386/keylocker-encodekey256.c: Likewise.
+	* gcc.target/i386/keylocker-loadiwkey.c: Likewise.
+	* g++.dg/other/i386-2.C: Add -mkl and -mwidekl.
+	* g++.dg/other/i386-3.C: Likewise.
+	* gcc.target/i386/sse-12.c: Likewise.
+	* gcc.target/i386/sse-13.c: Likewise.
+	* gcc.target/i386/sse-14.c: Likewise.
+	* gcc.target/i386/sse-22.c: Add kl and widekl.
+	* gcc.target/i386/sse-23.c: Likewise.
+	* gcc.target/i386/funcspec-56.inc: Add new target attribute test.
+
+2020-10-29  Richard Biener  <rguenther@suse.de>
+
+	* gcc.dg/vect/bb-slp-pr65935.c: Adjust.
+
+2020-10-29  Andrew MacLeod  <amacleod@redhat.com>
+
+	* g++.dg/pr97609.C: New.
+
 2020-10-29  David Malcolm  <dmalcolm@redhat.com>
 
 	PR analyzer/97608
diff --git a/gotools/ChangeLog b/gotools/ChangeLog
index b6d34315562..2f19a971128 100644
--- a/gotools/ChangeLog
+++ b/gotools/ChangeLog
@@ -1,3 +1,9 @@
+2020-10-29  Nikhil Benesch  <nikhil.benesch@gmail.com>
+
+	* Makefile.am (check-runtime): Add runtime_linknames.go to
+	--extrafiles.
+	* Makefile.in: Regenerate.
+
 2020-01-21  Ian Lance Taylor  <iant@golang.org>
 
 	* Makefile.am (gofmt$(EXEEXT)): Link against $(LIBGOTOOL).
diff --git a/libgcc/ChangeLog b/libgcc/ChangeLog
index e65233022a2..e1450136133 100644
--- a/libgcc/ChangeLog
+++ b/libgcc/ChangeLog
@@ -1,3 +1,14 @@
+2020-10-29  Olivier Hainque  <hainque@adacore.com>
+
+	* config/gthr-vxworks-tls.c: Fix preprocessor logic
+	controlling the definition of VX_ENTER_TLS_DTOR and
+	VX_LEAVE_TLS_DTOR based on a version major check.
+
+2020-10-29  Olivier Hainque  <hainque@adacore.com>
+
+	* config/gthr-vxworks-thread.c: Fix name of macro used
+	to condition the inclusion of an actual implementation.
+
 2020-10-27  Martin Liska  <mliska@suse.cz>
 
 	PR gcov-profile/97461
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 989b3a5cdd1..bcfa429a7f9 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,271 @@
+2020-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Tighten patterns
+	for old <sstream> symbols some more.
+
+2020-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/ranges_util.h (subrange::subrange(R&&)): Use
+	direct-initialization instead of list-initialization, so a
+	potential narrowing conversion from ranges::size(r) to the
+	stored size isn't ill-formed.
+
+2020-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/parse_numbers.h (_Select_int_base): Avoid
+	narrowing conversion in constant expression.
+	* include/experimental/buffer (buffer_copy): Avoid narrowing
+	conversion.
+	* include/experimental/internet (hash<>::operator()): Do not
+	use deprecated 'argument_type' member.
+	* include/std/variant (variant::emplace): Use cast instead
+	of implicit conversion from size_t to narrower unsigned type.
+
+2020-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/tr1/shared_ptr.h (__shared_count, __shared_ptr)
+	(shared_ptr): Add diagnostic pragmas around uses of auto_ptr.
+	* testsuite/tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc:
+	Adust dg-error line numbers.
+
+2020-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/18_support/96817.cc: Avoid -Wunused warnings.
+	* testsuite/20_util/any/assign/2.cc: Likewise.
+	* testsuite/20_util/any/cons/2.cc: Likewise.
+	* testsuite/20_util/align/1.cc: Avoid -Wsign-compare warning.
+	* testsuite/20_util/function/65760.cc: Avoid -Wunused warning.
+	* testsuite/20_util/function/1.cc: Avoid -Wcatch-value warning.
+	* testsuite/20_util/function/cons/move_target.cc: Avoid -Wunused
+	warning.
+	* testsuite/20_util/headers/memory/synopsis.cc: Add exception
+	specification.
+	* testsuite/20_util/monotonic_buffer_resource/allocate.cc: Avoid
+	-Wsign-compare warning.
+	* testsuite/20_util/tuple/cons/deduction.cc: Avoid -Wunused
+	warning.
+	* testsuite/20_util/specialized_algorithms/uninitialized_copy/808590-cxx11.cc:
+	Avoid -Wdeprecated-copy warning.
+	* testsuite/21_strings/basic_string/56166.cc: Avoid
+	-Wcatch-value warning.
+	* testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
+	Avoid -Wcatch-value warnings.
+	* 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/stold.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/char/stoll.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/char/stoull.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stod.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stof.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stoi.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stol.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stold.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stoll.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stoul.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stoull.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string_view/operations/compare/char/nonnull.cc:
+	Prune additional diagnostics.
+	* testsuite/21_strings/basic_string_view/operations/find/char/nonnull.cc:
+	Likewise.
+	* testsuite/21_strings/basic_string_view/operations/rfind/char/nonnull.cc:
+	Likewise.
+	* testsuite/21_strings/headers/string/synopsis.cc: Add exception
+	specifications.
+	* testsuite/22_locale/locale/cons/12352.cc: Define sized
+	delete operators to avoid warnings.
+	* testsuite/23_containers/deque/modifiers/swap/1.cc: Add
+	exception specification.
+	* testsuite/23_containers/forward_list/cons/11.cc: Avoid
+	-Wdeprecated-copy warning.
+	* testsuite/23_containers/headers/bitset/synopsis.cc: Add
+	exception specification.
+	* testsuite/23_containers/headers/deque/synopsis.cc: Likewise.
+	* testsuite/23_containers/headers/forward_list/synopsis.cc:
+	Likewise.
+	* testsuite/23_containers/headers/list/synopsis.cc: Likewise.
+	* testsuite/23_containers/headers/map/synopsis.cc: Likewise.
+	* testsuite/23_containers/headers/queue/synopsis.cc: Likewise.
+	* testsuite/23_containers/headers/set/synopsis.cc: Likewise.
+	* testsuite/23_containers/headers/vector/synopsis.cc: Likewise.
+	* testsuite/23_containers/list/modifiers/swap/1.cc: Likewise.
+	* testsuite/23_containers/map/modifiers/swap/1.cc: Likewise.
+	* testsuite/23_containers/multimap/modifiers/swap/1.cc:
+	Likewise.
+	* testsuite/23_containers/multiset/modifiers/swap/1.cc:
+	Likewise.
+	* testsuite/23_containers/set/modifiers/swap/1.cc: Likewise.
+	* testsuite/23_containers/unordered_set/56267-2.cc: Avoid
+	-Wdeprecated-copy warning.
+	* testsuite/23_containers/vector/bool/23632.cc: Avoid
+	-Wempty-body warning.
+	* testsuite/23_containers/vector/modifiers/swap/1.cc: Add
+	exception specification.
+	* testsuite/25_algorithms/heap/moveable2.cc: Fix misplaced
+	parentheses around arguments.
+	* testsuite/25_algorithms/sample/1.cc: Use return value.
+	* testsuite/25_algorithms/search/searcher.cc: Avoid -Wunused
+	warnings.
+	* testsuite/27_io/basic_ostream/exceptions/char/9561.cc:
+	Likewise.
+	* testsuite/27_io/basic_ostream/exceptions/wchar_t/9561.cc:
+	Likewise.
+	* testsuite/27_io/filesystem/operations/remove_all.cc: Avoid
+	-Wsign-compare warning.
+	* testsuite/experimental/any/assign/2.cc: Avoid -Wunused warnings.
+	* testsuite/experimental/any/cons/2.cc: Likewise.
+	* testsuite/experimental/filesystem/operations/remove_all.cc:
+	Avoid -Wign-compare warning.
+	* testsuite/experimental/memory/observer_ptr/cons/cons.cc:
+	Likewise.
+	* testsuite/experimental/memory_resource/null_memory_resource.cc:
+	Likewise.
+	* testsuite/experimental/source_location/1.cc: Avoid -Waddress
+	warning.
+	* testsuite/ext/pod_char_traits.cc: Avoid -Wunused warning.
+	* testsuite/ext/vstring/modifiers/clear/56166.cc: Avoid
+	-Wcatch-value.
+	* testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
+	Avoid -Wunused warning.
+	* testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
+	Likewise.
+	* testsuite/tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc:
+	Prune additional warnings.
+	* testsuite/tr1/3_function_objects/function/1.cc: Avoid
+	-Wcatch-value warning.
+	* testsuite/util/replacement_memory_operators.h: Define sized
+	delete to avoid warnings.
+	* testsuite/util/testsuite_api.h (_NonDefaultConstructible): Add
+	user-declared assignment operator to stop -Wdeprecated-copy
+	warnings.
+	* testsuite/util/testsuite_containers.h: Avoid -Wunused warning.
+	* testsuite/util/testsuite_iterators.h: Avoid -Wsign-compare
+	warnings.
+	* testsuite/util/testsuite_new_operators.h: Define sized deleted.
+
+2020-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/25_algorithms/all_of/constexpr.cc: Check result of
+	the algorithm.
+	* testsuite/25_algorithms/any_of/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/binary_search/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/copy_backward/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/count/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/equal/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/equal_range/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/fill/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/find_end/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/find_if/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/is_partitioned/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/is_permutation/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/is_sorted_until/constexpr.cc:
+	Likewise.
+	* testsuite/25_algorithms/lexicographical_compare/constexpr.cc:
+	Likewise.
+	* testsuite/25_algorithms/lower_bound/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/merge/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/mismatch/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/none_of/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/partition_copy/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/remove_copy/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/remove_copy_if/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/remove_if/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/replace_if/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/reverse/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/reverse_copy/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/rotate_copy/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/search/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/set_difference/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/set_intersection/constexpr.cc:
+	Likewise.
+	* testsuite/25_algorithms/set_symmetric_difference/constexpr.cc:
+	Likewise.
+	* testsuite/25_algorithms/set_union/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/unique_copy/constexpr.cc: Likewise.
+	* testsuite/25_algorithms/upper_bound/constexpr.cc: Likewise.
+
+2020-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/uniform_int_dist.h (_Power_of_two): Add
+	constexpr.
+	(uniform_int_distribution::_S_nd): Add static_assert to ensure
+	the wider type is twice as wide as the result type.
+	(uniform_int_distribution::__generate_impl): Add static_assert
+	and declare variables as constexpr where appropriate.
+	(uniform_int_distribution:operator()): Likewise. Only consider
+	the uniform random bit generator's range of possible results
+	when deciding whether _S_nd can be used, not the __uctype type.
+
+2020-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/ext/rope (_Refcount_Base::_M_ref_count): Remove
+	volatile qualifier.
+	(_Refcount_Base::_M_decr()): Likewise.
+
+2020-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/std_function.h (_Function_handler<void, void>):
+	Define explicit specialization used for invalid target types.
+	(_Base_manager::_M_manager) [!__cpp_rtti]: Return null.
+	(function::target_type()): Check for null pointer.
+	(function::target()): Define unconditionall. Fix bug with
+	const_cast of function pointer type.
+	(function::target() const): Define unconditionally, but
+	only use RTTI if enabled.
+	* testsuite/20_util/function/target_no_rtti.cc: New test.
+
+2020-10-29  Patrick Palka  <ppalka@redhat.com>
+
+	* testsuite/25_algorithms/lexicographical_compare/constrained.cc:
+	(test03): Fix initializing the vector vy with the array y of size 4.
+
+2020-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/hashtable_policy.h (_Local_iterator_base): Cast
+	value to avoid -Wsign-compare warnings.
+	* include/bits/regex.h (sub_match::_M_str): Avoid narrowing
+	conversion.
+	* include/bits/regex_compiler.tcc (_Compiler::_M_quantifier):
+	Initialize variable to avoid -Wmaybe-uninitialized warning.
+	* include/bits/shared_ptr_base.h (_Sp_counted_deleter::_Impl):
+	Reorder mem-initializer-list to avoid -Wreorder warning.
+	* include/bits/stl_tree.h (_Rb_tree_impl): Explicitly
+	initialize base class in copy constructor.
+	* include/debug/safe_iterator.h (_Safe_iterator): Likewise.
+	* include/ext/debug_allocator.h: Reorder mem-initializer-list
+	to avoid -Wreorder warning.
+	* include/ext/throw_allocator.h (throw_allocator_limit)
+	(throw_allocator_random): Add user-declared assignment operators
+	to avoid -Wdeprecated-copy warnings.
+
+2020-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/uniform_int_dist.h (uniform_int_distribution):
+	Rename _UniformRandomNumberGenerator template parameters to
+	_UniformRandomBitGenerator, as per P0346R1.
+
+2020-10-29  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/std/sstream (basic_stringbuf(__string_type&&, openmode)):
+	Call _M_init_syncbuf to set up get/put areas. Also qualify
+	std::move.
+
 2020-10-28  Jonathan Wakely  <jwakely@redhat.com>
 
 	* config/abi/pre/gnu.ver (GLIBCXX_3.4.29): Remove duplicate