[gcc r12-1657] Daily bump.

[gcc r12-1657] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:c5581d4842efff98060c6caf270c6f6c55e9888a

commit r12-1657-gc5581d4842efff98060c6caf270c6f6c55e9888a
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Sat Jun 19 00:16:33 2021 +0000

    Daily bump.

Diff:
---
 ChangeLog               |   4 +
 gcc/ChangeLog           |  92 ++++++++++++++++
 gcc/DATESTAMP           |   2 +-
 gcc/ada/ChangeLog       | 286 ++++++++++++++++++++++++++++++++++++++++++++++++
 gcc/analyzer/ChangeLog  |  35 ++++++
 gcc/fortran/ChangeLog   |   7 ++
 gcc/testsuite/ChangeLog |  32 ++++++
 libstdc++-v3/ChangeLog  | 116 ++++++++++++++++++++
 8 files changed, 573 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index fba4c8400f8..5a88b740ade 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2021-06-18  Antoni Boucher  <bouanto@zoho.com>
+
+	* MAINTAINERS (Write After Approval): Add myself.
+
 2021-06-17  Aldy Hernandez  <aldyh@redhat.com>
 
 	* MAINTAINERS (Various Maintainers): Add Andrew and myself
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6cd9445ec04..4597e5992ce 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,95 @@
+2021-06-18  Jeff Law  <jeffreyalaw@gmail.com>
+
+	* config/h8300/h8300.c (h8300_select_cc_mode): Handle SYMBOL_REF.
+	* config/h8300/logical.md (<code><mode>3 logcial expander): Generate
+	more efficient code when the source can be trivially simplified.
+
+2021-06-18  Andrew MacLeod  <amacleod@redhat.com>
+
+	* gimple-range-cache.cc (ranger_cache::range_of_def):  Calculate
+	a range if global is not available.
+	(ranger_cache::entry_range): Fallback to range_of_def.
+	* gimple-range-cache.h (range_of_def): Adjust prototype.
+
+2021-06-18  Andrew MacLeod  <amacleod@redhat.com>
+
+	PR tree-optimization/101014
+	* gimple-range-cache.cc (ranger_cache::ranger_cache): Remove poor
+	value list.
+	(ranger_cache::~ranger_cache): Ditto.
+	(ranger_cache::enable_new_values): Delete.
+	(ranger_cache::push_poor_value): Delete.
+	(ranger_cache::range_of_def): Remove poor value processing.
+	(ranger_cache::entry_range): Ditto.
+	(ranger_cache::fill_block_cache): Ditto.
+	* gimple-range-cache.h (class ranger_cache): Remove poor value members.
+	* gimple-range.cc (gimple_ranger::range_of_expr): Remove call.
+	* gimple-range.h (class gimple_ranger): Adjust.
+
+2021-06-18  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
+
+	PR target/100856
+	* common/config/arm/arm-common.c (arm_canon_arch_option_1): New function
+	derived from arm_canon_arch.
+	(arm_canon_arch_option): Call it.
+	(arm_canon_arch_multilib_option): New function.
+	* config/arm/arm-cpus.in (IGNORE_FOR_MULTILIB): New fgroup.
+	* config/arm/arm.h (arm_canon_arch_multilib_option): New prototype.
+	(CANON_ARCH_MULTILIB_SPEC_FUNCTION): New macro.
+	(MULTILIB_ARCH_CANONICAL_SPECS): New macro.
+	(DRIVER_SELF_SPECS): Add MULTILIB_ARCH_CANONICAL_SPECS.
+	* config/arm/arm.opt (mlibarch): New option.
+	* config/arm/t-rmprofile (MULTILIB_MATCHES): For armv8*-m, replace use
+	of march on RHS with mlibarch.
+
+2021-06-18  Marcel Vollweiler  <marcel@codesourcery.com>
+
+	* config.in: Regenerate.
+	* config/gcn/gcn.c (print_operand_address): Fix for global_load assembler
+	functions.
+	* configure: Regenerate.
+	* configure.ac: Fix for global_load assembler functions.
+
+2021-06-18  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/101112
+	* tree-vect-slp.c (vect_slp_linearize_chain): Fix condition
+	to lookup a pattern stmt def.
+
+2021-06-18  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/101062
+	* stor-layout.c (finish_bitfield_layout): Don't add bitfield
+	representatives in QUAL_UNION_TYPE.
+
+2021-06-18  Andrew Pinski  <apinski@marvell.com>
+
+	* tree-ssa-phiopt.c (replace_phi_edge_with_variable):
+	Add counting of how many times it is done.
+	(factor_out_conditional_conversion): Likewise.
+	(match_simplify_replacement): Likewise.
+	(value_replacement): Likewise.
+	(spaceship_replacement): Likewise.
+	(cond_store_replacement): Likewise.
+	(cond_if_else_store_replacement_1): Likewise.
+	(hoist_adjacent_loads): Likewise.
+
+2021-06-18  Andrew Pinski  <apinski@marvell.com>
+
+	* tree-cfg.c (verify_gimple_assign_unary): Reject point and offset
+	types on NEGATE_EXPR, ABS_EXPR, BIT_NOT_EXPR, PAREN_EXPR and CNONJ_EXPR.
+	(verify_gimple_assign_binary): Reject point and offset types on
+	MULT_EXPR, MULT_HIGHPART_EXPR, TRUNC_DIV_EXPR, CEIL_DIV_EXPR,
+	FLOOR_DIV_EXPR, ROUND_DIV_EXPR, TRUNC_MOD_EXPR, CEIL_MOD_EXPR,
+	FLOOR_MOD_EXPR, ROUND_MOD_EXPR, RDIV_EXPR, and EXACT_DIV_EXPR.
+
+2021-06-18  Michael Meissner  <meissner@linux.ibm.com>
+
+	* config/rs6000/rs6000.c (rs6000_emit_minmax): Add support for ISA
+	3.1 IEEE 128-bit floating point xsmaxcqp/xsmincqp instructions.
+	* config/rs6000/rs6000.md (s<minmax><mode>3, IEEE128 iterator):
+	New insns.
+
 2021-06-17  Aaron Sawdey  <acsawdey@linux.ibm.com>
 
 	* config/rs6000/genfusion.pl (gen_logical_addsubf): Add
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 1c09ea68c98..a522144b0f9 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20210618
+20210619
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 1927007b235..baf0dbd0c8b 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,289 @@
+2021-06-18  Gary Dismukes  <dismukes@adacore.com>
+
+	* sem_ch3.adb (Constrain_Array): Add error checking for
+	fixed-lower-bound and constrained index ranges applied
+	inappropriately on subtypes of unconstrained and
+	fixed-lower-bound array types.
+	(Constrain_Index): Correct and refine comment related to
+	fixed-lower-bound index ranges.
+
+2021-06-18  Bob Duff  <duff@adacore.com>
+
+	* gen_il-gen.adb: Improve comments.
+	* snames.ads-tmpl (Convention_Id): Remove "--  Plenty of space
+	for expansion", because that's irrelevant now that we are no
+	longer laying out node fields by hand.
+
+2021-06-18  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_util.adb (Denotes_Same_Object): Handle character literals
+	just like integer literals.
+
+2021-06-18  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_util.adb (Denotes_Same_Object): Explicitly test for node
+	kinds being the same; deal with renamings one-by-one; adjust
+	numbers in references to the Ada RM.
+
+2021-06-18  Bob Duff  <duff@adacore.com>
+
+	* sprint.adb (Write_Source_Line): Check for EOF in
+	Line_Terminator loop.  Note that when a source file is read in,
+	an EOF character is added to the end.
+
+2021-06-18  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_aux.adb (Package_Specification): Add assertions to confirm
+	the kind of the of parameter and returned node.
+	* sem_ch12.adb (Remove_Parent): Reorder conditions; this change
+	appears to be semantically neutral, but is enough to avoid the
+	problematic call to Package_Specification.
+	* sem_util.adb (Is_Incomplete_Or_Private_Type): Replace loop
+	with a call to Package_Specification.
+
+2021-06-18  Bob Duff  <duff@adacore.com>
+
+	* sem_attr.adb (Eval_Attribute): For Enum_Lit'Size, use
+	Enum_Type'Object_Size.
+
+2021-06-18  Olivier Hainque  <hainque@adacore.com>
+
+	* sigtramp-vxworks-target.inc (__aarch64__): Sync
+	REGNO_PC_OFFSET with the back-end DWARF_ALT_FRAME_RETURN_COLUMN.
+	In CFI_COMMON_REGS, leave r18 alone, VxWorks private.
+
+2021-06-18  Javier Miranda  <miranda@adacore.com>
+
+	* contracts.adb (Process_Spec_Postconditions): Add missing
+	support for aliased subprograms and handle wrappers of
+	class-wide pre/post conditions.
+	(Process_Inherited_Preconditions): Add missing support for
+	aliased subprograms and handle wrappers of class-wide pre/post
+	conditions.
+	* einfo.ads (Class_Wide_Clone): Fix typo.
+	(Is_Class_Wide_Clone): Removed since it is not referenced.
+	(Is_Wrapper): Documenting new flag.
+	(LSP_Subprogram): Documenting new attribute.
+	* exp_ch3.adb (Make_Controlling_Function_Wrappers): Decorate
+	wrapper as Is_Wrapper and adjust call to
+	Override_Dispatching_Operation.
+	* freeze.adb (Build_Inherited_Condition_Pragmas): Fix typo in
+	documentation.
+	(Check_Inherited_Conditions): Handle LSP wrappers; ensure
+	correct decoration of LSP wrappers.
+	* gen_il-fields.ads (Is_Class_Wide_Clone): Removed.
+	(Is_Wrapper): Added.
+	(LSP_Subprogram): Added.
+	* gen_il-gen-gen_entities.adb (Is_Class_Wide_Clone): Removed.
+	(Is_Wrapper): Added.
+	(LSP_Subprogram): Added.
+	* gen_il-internals.adb (Image): Adding uppercase image of
+	LSP_Subprogram.
+	* sem_ch6.adb (New_Overloaded_Entity): Fix decoration of LSP
+	wrappers.
+	* sem_disp.ads (Override_Dispatching_Operation): Remove
+	parameter Is_Wrapper; no longer needed.
+	* sem_disp.adb (Check_Dispatching_Operation): Adjust assertion.
+	(Override_Dispatching_Operation): Remove parameter Is_Wrapper;
+	no longer needed.
+	* treepr.adb (Image): Adding uppercase image of LSP_Subprogram.
+
+2021-06-18  Arnaud Charlet  <charlet@adacore.com>
+
+	* exp_ch4.adb (Expand_N_Quantified_Expression): Ensure the type
+	of the name of a "for of" loop is frozen.
+	* exp_disp.adb (Check_Premature_Freezing): Complete condition to
+	take into account a private type completed by another private
+	type now that the freezing rule are better implemented.
+	* freeze.adb (Freeze_Entity.Freeze_Profile): Do not perform an
+	early freeze on types if not in the proper scope. Special case
+	expression functions that requires access to the dispatch table.
+	(Should_Freeze_Type): New.
+	* sem_ch13.adb (Resolve_Aspect_Expressions): Prevent assert
+	failure in case of an invalid tree (previous errors detected).
+	* sem_res.adb (Resolve): Remove kludge related to entities
+	causing incorrect premature freezing.
+	* sem_util.adb (Ensure_Minimum_Decoration): Add protection
+	against non base types.
+
+2021-06-18  Gary Dismukes  <dismukes@adacore.com>
+
+	* sem_ch3.adb (Constrain_Index): Set the High_Bound of a
+	fixed-lower-bound subtype's range to T (the subtype of the FLB
+	index being constrained) rather than Base_Type (T).
+
+2021-06-18  Bob Duff  <duff@adacore.com>
+
+	* ada_get_targ.adb, aspects.ads, checks.adb, cstand.adb,
+	einfo.ads, exp_attr.adb, freeze.adb, get_targ.adb,
+	libgnat/a-textio.ads, libgnat/g-memdum.ads,
+	libgnat/s-scaval__128.adb, libgnat/s-scaval.adb, make.adb,
+	osint.ads, par-prag.adb, sem_ch13.adb, sem_prag.adb,
+	sem_prag.ads, set_targ.adb, set_targ.ads, snames.ads-tmpl,
+	targparm.ads, types.ads: Remove AAMP-specific code.
+	* switch.ads: Minor reformatting.
+	* gen_il-fields.ads, gen_il-gen.adb,
+	gen_il-gen-gen_entities.adb, gen_il-types.ads, einfo-utils.adb,
+	einfo-utils.ads: Package Types now contains "type Float_Rep_Kind
+	is (IEEE_Binary);", which used to also have an enumeral AAMP.
+	Gen_IL can't handle fields of this type, which would be zero
+	sized. Therefore, we move the Float_Rep field into Einfo.Utils
+	as a synthesized attribute. (We do not delete the field
+	altogether, in case we want new floating-point representations
+	in the future.)
+	* doc/gnat_rm/implementation_defined_pragmas.rst,
+	doc/gnat_rm/implementation_defined_aspects.rst,
+	doc/gnat_ugn/building_executable_programs_with_gnat.rst,
+	doc/gnat_ugn/the_gnat_compilation_model.rst: Remove
+	AAMP-specific documentation.
+	* gnat_rm.texi, gnat_ugn.texi: Regenerate.
+
+2021-06-18  Gary Dismukes  <dismukes@adacore.com>
+
+	* exp_util.adb (Expand_Sliding_Conversion): Move test of
+	Is_Fixed_Lower_Bound_Subtype to an assertion. Exclude string
+	literals from sliding expansion.
+
+2021-06-18  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_warn.adb (Warn_On_Overlapping_Actuals): Cleanup conditions
+	related to Ada_Version.
+
+2021-06-18  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_util.adb (Address_Value): Simplify.
+
+2021-06-18  Bob Duff  <duff@adacore.com>
+
+	* sem_attr.adb (Check_Array_Or_Scalar_Type): Use Expr_Value
+	instead of Intval, because the latter only exists in literals.
+	Remove Set_Etype on E1; setting the type is done elsewhere.
+
+2021-06-18  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_warn.adb (Warn_On_Overlapping_Actuals): Examine types of
+	both formal parameters; refactor a complex detection of
+	by-reference types.
+
+2021-06-18  Arnaud Charlet  <charlet@adacore.com>
+
+	* gnatcmd.adb: Fix handling of check and test commands.
+
+2021-06-18  Gary Dismukes  <dismukes@adacore.com>
+
+	* doc/gnat_rm/implementation_defined_pragmas.rst: Add
+	documentation for the array fixed-lower-bound feature.
+	* gnat_rm.texi: Regenerate.
+
+2021-06-18  Bob Duff  <duff@adacore.com>
+
+	* debug.adb: Document switch.
+	* exp_aggr.adb: If -gnatd_g was given, then do not bump the
+	limit to 500_000.
+
+2021-06-18  Bob Duff  <duff@adacore.com>
+
+	* sem_util.ads, sem_util.adb (Has_Access_Values): Remove
+	Include_Internal parameter that was added in previous change.
+	* sem_warn.adb (Warnings_Off_E1): Back out E_Out_Parameter ==>
+	Formal_Kind change made previously. Check Is_Private_Type to
+	avoid warnings on private types. Misc cleanup.
+	* sem_attr.adb (Attribute_Has_Access_Values): Remove
+	Include_Internal parameter.
+
+2021-06-18  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_warn.adb (Warn_On_Overlapping_Actuals): Remove dead branch
+	for overlapping actuals in prefix notation.
+
+2021-06-18  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* sem_prag.adb (Process_Import_Or_Interface): Do not
+	artificially record a possible modification for a constant.
+
+2021-06-18  Arnaud Charlet  <charlet@adacore.com>
+
+	* exp_ch6.adb (Expand_Call_Helper): Code cleanups.
+
+2021-06-18  Arnaud Charlet  <charlet@adacore.com>
+
+	* exp_aggr.adb, exp_dist.adb, exp_unst.adb, sa_messages.ads,
+	sem_ch13.adb, sem_ch3.adb, sem_ch5.adb, sem_eval.adb,
+	sem_util.adb, sem_util.ads, sinfo.ads: Update comments.
+
+2021-06-18  Ghjuvan Lacambre  <lacambre@adacore.com>
+
+	* back_end.adb (Scan_Back_End_Switches): Set Opt.JSON_Output to
+	True if -fdiagnostics-format=json option is found.
+	* back_end.ads (Scan_Compiler_Arguments): Mention
+	Opt.JSON_Output.
+	* errout.adb (Output_JSON_Message): New procedure.
+	(Output_Messages): If Opt.JSON_Output is True, print messages
+	with new Output_JSON_Message procedure.
+	* opt.ads: Declare JSON_Output variable.
+	* doc/gnat_ugn/building_executable_programs_with_gnat.rst:
+	Mention new -fdiagnostics-format option.
+	* gnat_ugn.texi: Regenerate.
+
+2021-06-18  Arnaud Charlet  <charlet@adacore.com>
+
+	* sem_ch6.adb (Null_Exclusions_Match): Relax null exclusion
+	mismatch check when Relaxed_RM_Semantics is set.
+
+2021-06-18  Arnaud Charlet  <charlet@adacore.com>
+
+	* fe.h, opt.adb, opt.ads, par-prag.adb, sem_prag.adb,
+	switch-c.adb (Extensions_Allowed): Replace by a function.
+	(Ada_Version_Type): Add new value Ada_With_Extensions, to
+	replace setting of Extensions_Allowed.  Update setting of
+	Extensions_Allowed.
+
+2021-06-18  Arnaud Charlet  <charlet@adacore.com>
+
+	* bindgen.adb (Gen_Output_File_Ada): Generate a new constant
+	GNAT_Version_Address.
+	* libgnat/g-comver.adb (GNAT_Version_Address): New;
+	(GNAT_Version): Use GNAT_Version_Address to disable LTO warning.
+
+2021-06-18  Javier Miranda  <miranda@adacore.com>
+
+	* einfo.ads (Is_Ada_2022_Only): Adding documentation.
+	* gen_il-fields.ads (Is_Ada_2022_Only): New flag.
+	* gen_il-gen-gen_entities.adb (Is_Ada_2022_Only): New flag.
+	* itypes.adb (Create_Null_Excluding_Itype): Inherit
+	Is_Ada_2022_Only.
+	* sem_ch3.adb (Check_Abstract_Overriding): Skip reporting error
+	on Ada 2022 only subprograms that require overriding if we are
+	not in Ada 2022 mode.
+	(Derive_Subprogram): Inherit Is_Ada_2022_Only.
+	* sem_ch6.adb (Check_Overriding_Indicator): Inherit
+	Is_Ada_2022_Only.
+	(New_Overloaded_Entity): Inherit Is_Ada_2022_Only.
+	* sem_ch7.adb (Declare_Inherited_Private_Subprograms): Inherit
+	Is_Ada_2022_Only.
+	(Preserve_Full_Attributes): Inherit Is_Ada_2022_Only.
+	* sem_disp.adb (Find_Hidden_Overridden_Primitive): Inherit
+	Is_Ada_2022_Only.
+	(Override_Dispatching_Operation): Inherit Is_Ada_2022_Only.
+	* sem_prag.adb (Analyze_Pragma): Allow form with argument for
+	Ada 2022.
+	* sem_type.adb: (Disambiguate): Deal with Is_Ada_2022_Only
+	* lib-xref.adb (Generate_Reference): Error on static and
+	dispatching calls to Ada 2022 subprograms that require
+	overriding if we are not in Ada 2022 mode; warn on other
+	references to Ada 2022 entities when not in Ada 2022 mode.
+	* sem_ch13.adb (Inherit_Aspects_At_Freeze_Point): Inherit
+	Ada_2020_Only.
+	* libgnat/a-cdlili.ads (Empty): Adding pragma Ada_2022.
+	* libgnat/a-cidlli.ads (Empty): Adding pragma Ada_2022.
+	* libgnat/a-ciorma.ads (Empty): Adding pragma Ada_2022.
+	* libgnat/a-cobove.ads (Empty): Adding pragma Ada_2022.
+	* libgnat/a-coorma.ads (Empty): Adding pragma Ada_2022.
+	(New_Vector): Adding pragma Ada_2022.
+	(Insert_Vector): Adding pragma Ada_2022.
+	(Prepend_Vector): Adding pragma Ada_2022.
+	(Append_Vector): Adding pragma Ada_2022.
+
 2021-06-17  Arnaud Charlet  <charlet@adacore.com>
 
 	* sem_ch3.adb (Check_Ops_From_Incomplete_Type): Protect against
diff --git a/gcc/analyzer/ChangeLog b/gcc/analyzer/ChangeLog
index b8f7a2bb314..84fa208f80a 100644
--- a/gcc/analyzer/ChangeLog
+++ b/gcc/analyzer/ChangeLog
@@ -1,3 +1,38 @@
+2021-06-18  David Malcolm  <dmalcolm@redhat.com>
+
+	* store.cc (binding_cluster::get_any_binding): Make symbolic reads
+	from a cluster with concrete bindings return unknown.
+
+2021-06-18  David Malcolm  <dmalcolm@redhat.com>
+
+	* region-model-manager.cc
+	(region_model_manager::get_or_create_int_cst): New.
+	(region_model_manager::maybe_undo_optimize_bit_field_compare): Use
+	it to simplify away a local tree.
+	* region-model.cc (region_model::on_setjmp): Likewise.
+	(region_model::on_longjmp): Likewise.
+	* region-model.h (region_model_manager::get_or_create_int_cst):
+	New decl.
+	* store.cc (binding_cluster::zero_fill_region): Use it to simplify
+	away a local tree.
+
+2021-06-18  David Malcolm  <dmalcolm@redhat.com>
+
+	* checker-path.cc (class custom_event): Make abstract to allow for
+	custom vfuncs, splitting existing implementation into...
+	(class precanned_custom_event): New subclass.
+	(custom_event::get_desc): Move to...
+	(precanned_custom_event::get_desc): ...subclass.
+	* checker-path.h (class custom_event): Make abstract to allow for
+	custom vfuncs, splitting existing implementation into...
+	(class precanned_custom_event): New subclass.
+	* diagnostic-manager.cc (diagnostic_manager::add_events_for_eedge):
+	Use precanned_custom_event.
+	* engine.cc
+	(stale_jmp_buf::maybe_add_custom_events_for_superedge): Likewise.
+	* sm-signal.cc (signal_delivery_edge_info_t::add_events_to_path):
+	Likewise.
+
 2021-06-15  David Malcolm  <dmalcolm@redhat.com>
 
 	PR analyzer/99212
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index f073f34a6f3..e57f613a79f 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,10 @@
+2021-06-18  Harald Anlauf  <anlauf@gmx.de>
+
+	PR fortran/100283
+	PR fortran/101123
+	* trans-intrinsic.c (gfc_conv_intrinsic_minmax): Unconditionally
+	convert result of min/max to result type.
+
 2021-06-16  Harald Anlauf  <anlauf@gmx.de>
 
 	PR fortran/95501
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 1c7b730fc30..c1a715f491a 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,35 @@
+2021-06-18  Aaron Sawdey  <acsawdey@linux.vnet.ibm.com>
+
+	* gcc.target/powerpc/fusion-p10-2logical.c: Update pattern
+	match counts.
+	* gcc.target/powerpc/fusion-p10-addadd.c: Update pattern match
+	counts.
+	* gcc.target/powerpc/fusion-p10-ldcmpi.c: Update pattern match
+	counts.
+	* gcc.target/powerpc/fusion-p10-logadd.c: Update pattern match
+	counts.
+
+2021-06-18  Harald Anlauf  <anlauf@gmx.de>
+
+	PR fortran/100283
+	PR fortran/101123
+	* gfortran.dg/min0_max0_1.f90: New test.
+	* gfortran.dg/min0_max0_2.f90: New test.
+
+2021-06-18  David Malcolm  <dmalcolm@redhat.com>
+
+	* gcc.dg/analyzer/symbolic-7.c: New test.
+
+2021-06-18  Srinath Parvathaneni  <srinath.parvathaneni@arm.com>
+
+	PR target/100856
+	* gcc.target/arm/acle/pr100856.c: New test.
+	* gcc.target/arm/multilib.exp: Add tests for cde options.
+
+2021-06-18  Michael Meissner  <meissner@linux.ibm.com>
+
+	* gcc.target/powerpc/float128-minmax-2.c: New test.
+
 2021-06-17  Jason Merrill  <jason@redhat.com>
 
 	PR c++/101106
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 0223a74f8b0..f8d6fa74a3b 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,119 @@
+2021-06-18  Patrick Palka  <ppalka@redhat.com>
+
+	PR libstdc++/100387
+	* include/bits/ranges_algo.h (__minmax_fn::operator()): Rewrite
+	to limit comparison complexity to 3*N/2.
+	(__minmax_element_fn::operator()): Likewise.
+	(shift_right): Avoid premature std::move of __result.
+	* testsuite/25_algorithms/minmax/constrained.cc (test04, test05):
+	New tests.
+	* testsuite/25_algorithms/minmax_element/constrained.cc (test02):
+	Likewise.
+
+2021-06-18  Patrick Palka  <ppalka@redhat.com>
+
+	* include/std/concepts (convertible_to): Just use declval as per
+	LWG 3557.
+
+2021-06-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/95833
+	* include/std/numeric (reduce(Iter, Iter, T, BinaryOp)): Replace
+	incorrect static_assert with ones matching the 'Mandates'
+	conditions in the standard.
+	* testsuite/26_numerics/reduce/95833.cc: New test.
+
+2021-06-18  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/21_strings/basic_string/cons/char/1.cc: Use
+	diagnostic pragma to suppress -Wstringop-overread error.
+
+2021-06-18  Patrick Palka  <ppalka@redhat.com>
+
+	* include/bits/ranges_algo.h (__find_fn, find, __find_if_fn)
+	(find_if, __find_if_not_fn, find_if_not, _in_in_result)
+	(__mismatch_fn, mismatch, __search_fn, search): Move to ...
+	* include/bits/ranges_util.h: ... here.
+	* include/std/ranges (__detail::find, __detail::find_if)
+	(__detail::find_if_not, __detail::mismatch): Remove.
+	(filter_view): Use ranges::find_if instead.
+	(drop_while_view): Use ranges::find_if_not instead.
+	(split_view): Use ranges::find and ranges::mismatch instead.
+
+2021-06-18  Patrick Palka  <ppalka@redhat.com>
+
+	* include/bits/iterator_concepts.h (weakly_incrementable): Remove
+	default_initializable requirement.
+	* include/bits/ranges_base.h (ranges::view): Likewise.
+	* include/bits/ranges_util.h (subrange): Constrain the default
+	ctor.
+	* include/bits/stl_iterator.h (back_insert_iterator): Remove the
+	default ctor.
+	(front_insert_iterator): Likewise.
+	(insert_iterator): Likewise.  Remove NSDMIs.
+	(common_iterator): Constrain the default ctor.
+	(counted_iterator): Likewise.
+	* include/bits/stream_iterator.h (ostream_iterator): Remove the
+	default ctor.
+	* include/std/ranges (__detail::__box::operator=): Handle
+	self-assignment in the primary template.
+	(__detail::__box): In the partial specialization: adjust
+	constraints as per P2325.  Add specialized operator= for the
+	case when the wrapped type is not copyable.  Constrain the
+	default ctor.  Avoid list-initialization.
+	(single_view): Constraint the default ctor.
+	(iota_view): Relax semiregular constraint to copyable.
+	Constrain the default ctor.
+	(iota_view::_Iterator): Constraint the default ctor.
+	(basic_istream_view): Remove the default ctor.  Remove NSDMIs.
+	Remove redundant checks for empty _M_stream.
+	(basic_istream_view::_Iterator): Likewise.
+	(ref_view): Remove the default ctor.  Remove NSDMIs.
+	(ref_view::_Iterator): Constrain the default ctor.
+	(__detail::__non_propagating_cache::operator=): Define overload
+	for assigning from a value of the underlying type.
+	(filter_view): Likewise.
+	(filter_view::_Iterator): Likewise.
+	(transform_view): Likewise.
+	(transform_view::_Iterator): Likewise.
+	(take_view): Likewise.
+	(take_view::_Iterator): Likewise.
+	(take_while_view): Likewise.
+	(take_while_view::_Iterator): Likewise.
+	(drop_while_view): Likewise.
+	(drop_while_view::_Iterator): Likewise.
+	(join_view): Likewise.
+	(split_view::_OuterIter::__current): Adjust after changing the
+	type of _M_current.
+	(split_view::_M_current): Wrap it in a __non_propagating_cache.
+	(split_view::split_view): Constrain the default ctor.
+	(common_view): Constrain the default ctor.
+	(reverse_view): Likewise.
+	(elements_view): Likewise.
+	* include/std/span (enable_view<span<_ElementType, _Extent>>):
+	Define this partial specialization to true unconditionally.
+	* include/std/version (__cpp_lib_ranges): Adjust value.
+	* testsuite/24_iterators/back_insert_iterator/constexpr.cc:
+	Don't attempt to default construct a back_insert_iterator.
+	* testsuite/24_iterators/front_insert_iterator/constexpr.cc:
+	Don't attempt to default construct a front_insert_iterator.
+	* testsuite/24_iterators/insert_iterator/constexpr.cc:
+	Don't attempt to default construct an insert_iterator.
+	* testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
+	Remove this test for default constructibility of ostream_iterator.
+	* testsuite/std/ranges/97600.cc: Don't attempt to default
+	construct a basic_istream_view.
+	* testsuite/std/ranges/adaptors/detail/semiregular_box.cc:
+	Rename to ...
+	* testsuite/std/ranges/adaptors/detail/copyable_box.cc: ... this.
+	(test02): Adjust now that __box is copyable-box not
+	semiregular-box.
+	(test03): New test.
+	* testsuite/std/ranges/p2325.cc: New test.
+	* testsuite/std/ranges/single_view.cc (test06): New test.
+	* testsuite/std/ranges/view.cc: Adjust now that view doesn't
+	require default_initializable.
+
 2021-06-17  Jonathan Wakely  <jwakely@redhat.com>
 
 	PR libstdc++/91488