Daily bump.

11 files changed, 569 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index ec74e4e..79b2e63 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2020-12-17  Marius Hillenbrand  <mhillen@linux.ibm.com>
+
+	* MAINTAINERS (Write After Approval): Add myself.
+
 2020-12-15  Nathan Sidwell  <nathan@acm.org>
 
 	* Makefile.def
diff --git a/c++tools/ChangeLog b/c++tools/ChangeLog
index 348bfa5..fe13583 100644
--- a/c++tools/ChangeLog
+++ b/c++tools/ChangeLog
@@ -1,3 +1,24 @@
+2020-12-17  Nathan Sidwell  <nathan@acm.org>
+
+	* server.cc (crash_signal): Don't use strsignal.
+
+2020-12-17  Nathan Sidwell  <nathan@acm.org>
+
+	PR bootstrap/98300
+	* configure.ac: Check for sys/mman.h.
+	* resolver.cc: Don't assume mmap, O_CLOEXEC are available.  Use
+	xmalloc.
+	* config.h.in: Regenerated.
+	* configure: Regenerated.
+
+2020-12-17  Jakub Jelinek  <jakub@redhat.com>
+
+	* configure.ac: Add GCC_BASE_VER.
+	* Makefile.in (version): Remove variable.
+	(gcc_version): New variable.
+	(libexecsubdir): Use $(gcc_version) instead of $(version).
+	* configure: Regenerated.
+
 2020-12-16  Nathan Sidwell  <nathan@acm.org>
 
 	* Makefile.in (INSTALL): Replace with ...
diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index e78c056..13fa468 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,8 @@
+2020-12-17  Nathan Sidwell  <nathan@acm.org>
+
+	PR bootstrap/98300
+	* gcc_update: Add c++tools/config.h.in.
+
 2020-12-15  Nathan Sidwell  <nathan@acm.org>
 
 	* gcc_update: Add c++tools & libcody.
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 823ff97..71e8f52 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,72 @@
+2020-12-17  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
+
+	* config/arm/arm-cpus.in: Add Cortex-A78C core.
+	* config/arm/arm-tables.opt: Regenerate.
+	* config/arm/arm-tune.md: Regenerate.
+	* doc/invoke.texi: Update docs.
+
+2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>
+
+	PR rtl-optimization/98347
+	* rtl-ssa/access-utils.h (full_register): Use regno_reg_rtx
+	instead of reg_raw_mode.
+
+2020-12-17  H.J. Lu  <hjl.tools@gmail.com>
+
+	* targhooks.h (default_estimated_poly_value): Updated.
+
+2020-12-17  Nathan Sidwell  <nathan@acm.org>
+
+	* doc/invoke.texi (C++ Modules): Document lack of std
+	library header units.
+
+2020-12-17  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
+
+	* target.h (enum poly_value_estimate_kind): Define.
+	(estimated_poly_value): Take an estimate kind argument.
+	* target.def (estimated_poly_value): Update definition for the
+	above.
+	* doc/tm.texi: Regenerate.
+	* targhooks.c (estimated_poly_value): Update prototype.
+	* tree-vect-loop.c (vect_better_loop_vinfo_p): Use min, max and
+	likely estimates of VF to pick between vinfos.
+	* config/aarch64/aarch64.c (aarch64_cmp_autovec_modes): Use
+	estimated_poly_value instead of aarch64_estimated_poly_value.
+	(aarch64_estimated_poly_value): Take a kind argument and handle
+	it.
+
+2020-12-17  Andrea Corallo  <andrea.corallo@arm.com>
+
+	* config/arm/arm_neon.h (vcreate_p64): Remove call to
+	'__builtin_neon_vcreatedi'.
+
+2020-12-17  Andrew MacLeod  <amacleod@redhat.com>
+
+	PR tree-optimization/97750
+	* range-op.cc (operator_cast::op1_range): Handle pointers better.
+
+2020-12-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	* rtl-ssa.h: Include memmodel.h before tm_p.h.
+
+2020-12-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/98289
+	* shrink-wrap.c (can_get_prologue): Don't punt on EDGE_CROSSING
+	incoming edges.
+
+2020-12-17  Marius Hillenbrand  <mhillen@linux.ibm.com>
+
+	* configure.ac: Change --enable-s390-excess-float-precision
+	default behavior for cross compiles with target headers.
+	* configure: Regenerate.
+	* doc/install.texi: Adjust documentation.
+
+2020-12-17  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>
+
+	* config/xtensa/xtensa.md (*ashlsi3_1, *ashlsi3_3x, *ashrsi3_3x)
+	(*lshrsi3_3x): New patterns.
+
 2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* fwprop.c: Rewrite to use the RTL SSA framework.
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 8030b5a..901c533 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20201217
+20201218
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 35d3bfa..5ce188d 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,373 @@
+2020-12-17  Arnaud Charlet  <charlet@adacore.com>
+
+	* libgnat/a-tags.ads, libgnat/a-tags.adb (CW_Membership): Move
+	to spec to allow inlining.
+
+2020-12-17  Arnaud Charlet  <charlet@adacore.com>
+
+	* checks.adb: Remove, not used.
+	* checks.ads: Likewise.
+	* exp_ch6.adb: Likewise.
+	* exp_ch7.adb: Likewise.
+	* exp_ch7.ads: Likewise.
+	* exp_fixd.adb: Likewise.
+	* exp_tss.adb: Likewise.
+	* exp_tss.ads: Likewise.
+	* exp_util.adb: Likewise.
+	* exp_util.ads: Likewise.
+	* gnat1drv.adb: Likewise.
+	* libgnat/s-finmas.adb: Likewise.
+	* libgnat/s-finmas.ads: Likewise.
+	* libgnat/system-aix.ads: Likewise.
+	* libgnat/system-darwin-arm.ads: Likewise.
+	* libgnat/system-darwin-ppc.ads: Likewise.
+	* libgnat/system-darwin-x86.ads: Likewise.
+	* libgnat/system-djgpp.ads: Likewise.
+	* libgnat/system-dragonfly-x86_64.ads: Likewise.
+	* libgnat/system-freebsd.ads: Likewise.
+	* libgnat/system-hpux-ia64.ads: Likewise.
+	* libgnat/system-hpux.ads: Likewise.
+	* libgnat/system-linux-alpha.ads: Likewise.
+	* libgnat/system-linux-arm.ads: Likewise.
+	* libgnat/system-linux-hppa.ads: Likewise.
+	* libgnat/system-linux-ia64.ads: Likewise.
+	* libgnat/system-linux-m68k.ads: Likewise.
+	* libgnat/system-linux-mips.ads: Likewise.
+	* libgnat/system-linux-ppc.ads: Likewise.
+	* libgnat/system-linux-riscv.ads: Likewise.
+	* libgnat/system-linux-s390.ads: Likewise.
+	* libgnat/system-linux-sh4.ads: Likewise.
+	* libgnat/system-linux-sparc.ads: Likewise.
+	* libgnat/system-linux-x86.ads: Likewise.
+	* libgnat/system-lynxos178-ppc.ads: Likewise.
+	* libgnat/system-lynxos178-x86.ads: Likewise.
+	* libgnat/system-mingw.ads: Likewise.
+	* libgnat/system-qnx-aarch64.ads: Likewise.
+	* libgnat/system-rtems.ads: Likewise.
+	* libgnat/system-solaris-sparc.ads: Likewise.
+	* libgnat/system-solaris-x86.ads: Likewise.
+	* libgnat/system-vxworks-arm-rtp-smp.ads: Likewise.
+	* libgnat/system-vxworks-arm-rtp.ads: Likewise.
+	* libgnat/system-vxworks-arm.ads: Likewise.
+	* libgnat/system-vxworks-e500-kernel.ads: Likewise.
+	* libgnat/system-vxworks-e500-rtp-smp.ads: Likewise.
+	* libgnat/system-vxworks-e500-rtp.ads: Likewise.
+	* libgnat/system-vxworks-e500-vthread.ads: Likewise.
+	* libgnat/system-vxworks-ppc-kernel.ads: Likewise.
+	* libgnat/system-vxworks-ppc-ravenscar.ads: Likewise.
+	* libgnat/system-vxworks-ppc-rtp-smp.ads: Likewise.
+	* libgnat/system-vxworks-ppc-rtp.ads: Likewise.
+	* libgnat/system-vxworks-ppc-vthread.ads: Likewise.
+	* libgnat/system-vxworks-ppc.ads: Likewise.
+	* libgnat/system-vxworks-x86-kernel.ads: Likewise.
+	* libgnat/system-vxworks-x86-rtp-smp.ads: Likewise.
+	* libgnat/system-vxworks-x86-rtp.ads: Likewise.
+	* libgnat/system-vxworks-x86-vthread.ads: Likewise.
+	* libgnat/system-vxworks-x86.ads: Likewise.
+	* libgnat/system-vxworks7-aarch64-rtp-smp.ads: Likewise.
+	* libgnat/system-vxworks7-aarch64.ads: Likewise.
+	* libgnat/system-vxworks7-arm-rtp-smp.ads: Likewise.
+	* libgnat/system-vxworks7-arm.ads: Likewise.
+	* libgnat/system-vxworks7-e500-kernel.ads: Likewise.
+	* libgnat/system-vxworks7-e500-rtp-smp.ads: Likewise.
+	* libgnat/system-vxworks7-e500-rtp.ads: Likewise.
+	* libgnat/system-vxworks7-ppc-kernel.ads: Likewise.
+	* libgnat/system-vxworks7-ppc-rtp-smp.ads: Likewise.
+	* libgnat/system-vxworks7-ppc-rtp.ads: Likewise.
+	* libgnat/system-vxworks7-ppc64-kernel.ads: Likewise.
+	* libgnat/system-vxworks7-ppc64-rtp-smp.ads: Likewise.
+	* libgnat/system-vxworks7-x86-kernel.ads: Likewise.
+	* libgnat/system-vxworks7-x86-rtp-smp.ads: Likewise.
+	* libgnat/system-vxworks7-x86-rtp.ads: Likewise.
+	* libgnat/system-vxworks7-x86_64-kernel.ads: Likewise.
+	* libgnat/system-vxworks7-x86_64-rtp-smp.ads: Likewise.
+	* repinfo.adb: Likewise.
+	* repinfo.ads: Likewise.
+	* rtsfind.ads: Likewise.
+	* sem_aux.adb: Likewise.
+	* sem_aux.ads: Likewise.
+	* sem_ch13.adb: Likewise.
+	* sem_ch13.ads: Likewise.
+	* sem_util.adb (Validity_Checks_Suppressed, TSS,
+	Is_All_Null_Statements, Known_Non_Negative,
+	Non_Limited_Designated_Type, Get_Binary_Nkind, Get_Unary_Nkind,
+	Is_Protected_Operation, Number_Components, Package_Body,
+	Validate_Independence, Independence_Checks): Likewise; update
+	comments.
+	* targparm.adb: Likewise.
+	* targparm.ads (AAM, AAM_Str, Fractional_Fixed_Ops,
+	Frontend_Layout, Make_Detach_Call, Target_Has_Fixed_Ops, Detach,
+	Back_End_Layout, Create_Dynamic_SO_Ref, Get_Dynamic_SO_Entity,
+	Is_Dynamic_SO_Ref, Is_Static_SO_Ref,
+	Fractional_Fixed_Ops_On_Target): Likewise.
+	* validsw.adb (Save_Validity_Check_Options,
+	Set_Default_Validity_Check_Options): Likewise.
+	* validsw.ads: Likewise.
+
+2020-12-17  Arnaud Charlet  <charlet@adacore.com>
+
+	* symbols.ads, symbols.adb: Removed no longer used.
+
+2020-12-17  Arnaud Charlet  <charlet@adacore.com>
+
+	* sem_util.adb (New_Requires_Transient_Scope): Renamed
+	Requires_Transient_Scope.
+	(Requires_Transient_Scope, Old_Requires_Transient_Scope,
+	Results_Differ): Removed.
+	* debug.adb: Remove -gnatdQ.
+
+2020-12-17  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* libgnat/s-valrea.adb (Need_Extra): Fix comment.
+
+2020-12-17  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_ch5.adb (Analyze_Case_Statement): Move modification of
+	Unblocked_Exit_Count after early return statements; fix typo in
+	comment.
+
+2020-12-17  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_ch5.adb (Analyze_Case_Statement): Change local variable
+	Exp to constant; remove unreferenced Last_Choice variable;
+	reduce scope of other variables.
+	(Analyze_If_Statement): Reduce scope of a local variable; add
+	comment.
+
+2020-12-17  Piotr Trojanek  <trojanek@adacore.com>
+
+	* opt.ads (Multiple_Unit_Index): Refine type from Int to Nat.
+
+2020-12-17  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_util.adb (In_Check_Node): Add guard and rename Node to
+	Par, just like it is done in surrounding routines, e.g.
+	In_Assertion_Expression_Pragma and In_Generic_Formal_Package.
+
+2020-12-17  Bob Duff  <duff@adacore.com>
+
+	* libgnat/a-cbdlli.adb, libgnat/a-cbdlli.ads,
+	libgnat/a-cdlili.adb, libgnat/a-cdlili.ads,
+	libgnat/a-cidlli.adb, libgnat/a-cidlli.ads,
+	libgnat/a-cobove.adb, libgnat/a-cobove.ads,
+	libgnat/a-coinve.adb, libgnat/a-coinve.ads,
+	libgnat/a-convec.adb, libgnat/a-convec.ads: Add *_Vector
+	operations, remove default for Count, rename Append_One to be
+	Append.
+
+2020-12-17  Arnaud Charlet  <charlet@adacore.com>
+
+	* sem_res.adb (Resolve_Declare_Expression): Need to establish a
+	transient scope in case Expression (N) requires actions to be
+	wrapped.  Code cleanup.
+	* exp_ch7.adb, exp_ch11.adb: Code cleanup.
+
+2020-12-17  Piotr Trojanek  <trojanek@adacore.com>
+
+	* par-ch3.adb (P_Identifier_Declarations): Reuse
+	Error_Msg_Ada_2020_Feature for object renaming without subtype.
+	* par-ch4.adb (P_Primary): Likewise for target name.
+	(P_Iterated_Component_Association): Likewise for iterated
+	component.
+	(P_Declare_Expression): Likewise for declare expression.
+	* par-ch6.adb (P_Formal_Part): Likewise for aspect on formal
+	parameter.
+	* sem_aggr.adb (Resolve_Delta_Aggregate): Ditto.
+	* sem_ch8.adb (Analyze_Object_Renaming): Reuse
+	Error_Msg_Ada_2020_Feature.
+	* sem_ch13.adb (Validate_Aspect_Aggregate): Reuse
+	Error_Msg_Ada_2020_Feature; use lower case for "aspect" and
+	don't use underscore for "Ada_2020"; don't give up on analysis
+	in Ada 2012 mode.
+	(Validate_Aspect_Stable_Properties): Reuse
+	Error_Msg_Ada_2020_Feature; use lower case for "aspect"; minor
+	style fixes.
+
+2020-12-17  Arnaud Charlet  <charlet@adacore.com>
+
+	* sem_ch4.adb (Analyze_Selected_Component): Request a compile
+	time error replacement in Apply_Compile_Time_Constraint_Error
+	in case of an invalid field.
+	* sem_ch3.adb (Create_Constrained_Components): Take advantage of
+	Gather_Components also in the case of a record extension and
+	also constrain records in the case of compile time known discriminant
+	values, as already done in gigi.
+	* sem_util.ads, sem_util.adb (Gather_Components): New parameter
+	Allow_Compile_Time to allow compile time known (but non static)
+	discriminant values, needed by Create_Constrained_Components,
+	and new parameter Include_Interface_Tag.
+	(Is_Dependent_Component_Of_Mutable_Object): Use Original_Node to
+	perform check on the original tree.
+	(Is_Object_Reference): Likewise.  Only call Original_Node when
+	relevant via a new function Safe_Prefix.
+	(Is_Static_Discriminant_Component, In_Check_Node): New.
+	(Is_Actual_Out_Or_In_Out_Parameter): New.
+	* exp_ch4.adb (Expand_N_Selected_Component): Remove no longer needed
+	code preventing evaluating statically discriminants in more cases.
+	* exp_ch5.adb (Expand_N_Loop_Statement): Simplify expansion of loops
+	with an N_Raise_xxx_Error node to avoid confusing the code generator.
+	(Make_Component_List_Assign): Try to find a constrained type to
+	extract discriminant values from, so that the case statement
+	built gets an opportunity to be folded by
+	Expand_N_Case_Statement.
+	(Expand_Assign_Record): Update comments, code cleanups.
+	* sem_attr.adb (Analyze_Attribute): Perform most of the analysis
+	on the original prefix node to deal properly with a prefix rewritten
+	as a N_Raise_xxx_Error.
+	* sem_ch5.adb (Analyze_Loop_Parameter_Specification): Handle properly
+	a discrete subtype definition being rewritten as N_Raise_xxx_Error.
+	* sem_ch8.adb (Analyze_Object_Renaming): Handle N_Raise_xxx_Error
+	nodes as part of the expression being renamed.
+	* sem_eval.ads, sem_eval.adb (Fold, Eval_Selected_Component): New.
+	(Compile_Time_Known_Value, Expr_Value, Expr_Rep_Value): Evaluate
+	static discriminant component values.
+	* sem_res.adb (Resolve_Selected_Component): Call
+	Eval_Selected_Component.
+
+2020-12-17  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_ch4.adb (Expand_N_Unchecked_Type_Conversion): Remove
+	folding of discrete values.
+	* exp_intr.adb (Expand_Unc_Conversion): Analyze, resolve and
+	evaluate (if possible) calls to instances of
+	Ada.Unchecked_Conversion after they have been expanded into
+	N_Unchecked_Type_Conversion.
+	* sem_eval.adb (Eval_Unchecked_Conversion): Add folding of
+	discrete values.
+
+2020-12-17  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* Makefile.rtl (GNATRTL_NONTASKING_OBJS): Likewise.
+	* exp_imgv.adb (Expand_Value_Attribute): Use RE_Value_Long_Float in
+	lieu of RE_Value_Long_Long_Float as fallback for fixed-point types.
+	Also use it for Long_Long_Float if it has same size as Long_Float.
+	* libgnat/s-imgrea.adb: Replace Powten_Table with Powen_LLF.
+	* libgnat/s-powflt.ads: New file.
+	* libgnat/s-powlfl.ads: Likewise.
+	* libgnat/s-powtab.ads: Rename to...
+	* libgnat/s-powllf.ads: ...this.
+	* libgnat/s-valflt.ads: Add with clause for System.Powten_Flt and
+	pass its table as actual parameter to System.Val_Real.
+	* libgnat/s-vallfl.ads: Likewise for System.Powten_LFlt.
+	* libgnat/s-valllf.ads: Likewise for System.Powten_LLF.
+	* libgnat/s-valrea.ads: Add Maxpow and Powten_Address parameters.
+	* libgnat/s-valrea.adb: Add pragma Warnings (Off).
+	(Need_Extra): New boolean constant.
+	(Precision_Limit): Set it according to Need_Extra.
+	(Impl): Adjust actual parameter.
+	(Integer_to_Rea): Add assertion on the machine radix. Take into
+	account the extra digit only if Need_Extra is true.  Reimplement
+	the computation of the final value for bases 2, 4, 8, 10 and 16.
+	* libgnat/s-valued.adb (Impl): Adjust actual parameter.
+	(Scan_Decimal): Add pragma Unreferenced.
+	(Value_Decimal): Likewise.
+	* libgnat/s-valuef.adb (Impl): Adjust actual parameter.
+	* libgnat/s-valuer.ads (Floating): Remove.
+	(Round): New formal parameter.
+	* libgnat/s-valuer.adb (Round_Extra): New procedure.
+	(Scan_Decimal_Digits): Use it to round the extra digit if Round
+	is set to True in the instantiation.
+	(Scan_Integral_Digits): Likewise.
+
+2020-12-17  Erwan Le Guillou  <leguillou@adacore.com>
+
+	* libgnat/system-lynxos178-ppc.ads,
+	libgnat/system-lynxos178-x86.ads: Fix small typo in comments.
+
+2020-12-17  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* exp_dbug.adb (Get_Encoded_Name): Generate encodings for fixed
+	point types only if -fgnat-encodings=all is specified.
+
+2020-12-17  Justin Squirek  <squirek@adacore.com>
+
+	* checks.adb (Build_Discriminant_Checks): Add condition to
+	replace references to the current instance of the type when we
+	are within an Init_Proc.
+	(Replace_Current_Instance): Examine a given node and replace the
+	current instance of the type with the corresponding _init
+	formal.
+	(Search_And_Replace_Current_Instance): Traverse proc which calls
+	Replace_Current_Instance in order to replace all references
+	within a given expression.
+
+2020-12-17  Piotr Trojanek  <trojanek@adacore.com>
+
+	* par-ch12.adb (P_Formal_Derived_Type_Definition): Complain
+	about formal type with aspect specification, which only become
+	legal in Ada 2020.
+	* par-ch9.adb (P_Protected_Operation_Declaration_Opt): Reuse
+	Error_Msg_Ada_2005_Extension.
+	(P_Entry_Declaration): Likewise.
+	* scng.adb (Scan): Improve diagnostics for target_name; emit
+	error, but otherwise continue in earlier than Ada 2020 modes.
+
+2020-12-17  Ed Schonberg  <schonberg@adacore.com>
+
+	* libgnat/a-cbsyqu.ads (Implementation): Provide a box
+	initialization for the element array used internally to
+	represent the queue, so that its components are properly
+	initialized if the given element type has default
+	initialization. Suppress warnings on the rest of the package in
+	case the element type has no default or discriminant, because it
+	is bound to be confusing to the user.
+
+2020-12-17  Arnaud Charlet  <charlet@adacore.com>
+
+	* sem_util.adb (Inherit_Predicate_Flags): No-op before Ada 2012.
+
+2020-12-17  Arnaud Charlet  <charlet@adacore.com>
+
+	* exp_ch7.adb (Make_Final_Call, Make_Init_Call): Take protected
+	types into account.
+	* sem_util.ads: Fix typo.
+
+2020-12-17  Yannick Moy  <moy@adacore.com>
+
+	* checks.adb: Rework error messages.
+	* exp_ch3.adb: Likewise.
+	* freeze.adb: Likewise.
+	* lib-load.adb: Likewise.
+	* par-ch12.adb: Likewise.
+	* par-ch3.adb: Likewise.
+	* par-ch4.adb: Likewise.
+	* par-ch9.adb: Likewise.
+	* sem_aggr.adb: Likewise.
+	* sem_attr.adb: Likewise.
+	* sem_cat.adb: Likewise.
+	* sem_ch10.adb: Likewise.
+	* sem_ch12.adb: Likewise.
+	(Instantiate_Type): Fix CODEFIX comment, applicable only on
+	continuation message, and identify the second message as a
+	continuation.
+	* sem_ch13.adb: Rework error messages.
+	* sem_ch3.adb: Likewise.
+	* sem_ch4.adb: Likewise.
+	* sem_ch5.adb: Likewise.
+	* sem_ch6.adb: Likewise.
+	* sem_ch8.adb: Likewise.
+	* sem_ch9.adb: Likewise.
+	* sem_prag.adb: Likewise.
+	* sem_res.adb: Likewise.
+	* sem_util.adb: Likewise.
+	(Wrong_Type): Fix CODEFIX comment, applicable only on
+	continuation message, and identify the second message as a
+	continuation.
+	* symbols.adb: Rework error messages.
+
+2020-12-17  Arnaud Charlet  <charlet@adacore.com>
+
+	* sem_attr.adb (OK_Self_Reference): Return True if node does not
+	come from source (e.g. a rewritten aggregate).
+
+2020-12-17  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_ch13.adb (Parse_Aspect_Stable_Properties): Fix style;
+	limit the scope of local variables; remove extra assignment in
+	Extract_Entity.
+	(Validate_Aspect_Stable_Properties): Simplify with procedural
+	Next.
+
 2020-12-16  Arnaud Charlet  <charlet@adacore.com>
 
 	* ali.ads, ali.adb, bindo-writers.adb, lib-writ.adb (Scope):
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 8778b6f..102f9f13 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,14 @@
+2020-12-17  Nathan Sidwell  <nathan@acm.org>
+
+	PR c++/98340
+	* module.cc (uintset<T>::hash::add): Use uintset (0u).MEMBER,
+	rather than uintset::MEMBER.
+
+2020-12-17  Nathan Sidwell  <nathan@acm.org>
+
+	PR bootstrap/98300
+	* module.cc: Fix ::read, ::write result signedness comparisons.
+
 2020-12-16  Nathan Sidwell  <nathan@acm.org>
 
 	* mapper-resolver.cc: Remove early include of
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 0efd160..ef7aa44 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,15 @@
+2020-12-17  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR fortran/92587
+	* match.c (gfc_match_assignment): Move gfc_find_vtab call from here ...
+	* resolve.c (gfc_resolve_code): ... to here.
+
+2020-12-17  Harald Anlauf  <anlauf@gmx.de>
+
+	PR fortran/98307
+	* trans-stmt.c (check_forall_dependencies): Extend dependency
+	check to allocatable components of derived types.
+
 2020-12-16  Harald Anlauf  <anlauf@gmx.de>
 
 	PR fortran/98284
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index fc18373..934e5db 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,36 @@
+2020-12-17  Andrew MacLeod  <amacleod@redhat.com>
+
+	* gcc.dg/pr97750.c: New.
+
+2020-12-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/98289
+	* gcc.target/i386/pr98289.c: New test.
+	* gcc.dg/torture/pr98289.c: New test.
+
+2020-12-17  Arnaud Charlet  <charlet@adacore.com>
+
+	* gnat.dg/debug15.adb: Remove fragile testcase.
+
+2020-12-17  Yannick Moy  <moy@adacore.com>
+
+	* gnat.dg/interface6.adb, gnat.dg/not_null.adb,
+	gnat.dg/protected_func.adb: Adjust error messages.
+
+2020-12-17  Tobias Burnus  <tobias@codesourcery.com>
+
+	PR fortran/92587
+	* gfortran.dg/finalize_37.f90: New test.
+
+2020-12-17  Harald Anlauf  <anlauf@gmx.de>
+
+	PR fortran/98307
+	* gfortran.dg/forall_19.f90: New test.
+
+2020-12-17  Takayuki 'January June' Suwa  <jjsuwa_sys3175@yahoo.co.jp>
+
+	* gcc.target/xtensa/shifts.c: New test.
+
 2020-12-17  Richard Sandiford  <richard.sandiford@arm.com>
 
 	* gcc.dg/rtl/x86_64/test-return-const.c.before-fwprop.c: Don't
diff --git a/libcody/ChangeLog b/libcody/ChangeLog
index f5aa2de..ed60e67 100644
--- a/libcody/ChangeLog
+++ b/libcody/ChangeLog
@@ -1,3 +1,13 @@
+2020-12-17  Nathan Sidwell  <nathan@acm.org>
+
+	* configure.ac: Add --enable-host-shared.
+	* Makefile.in: Add FLAGPIC.
+	* configure: Regenerated.
+
+2020-12-17  Nathan Sidwell  <nathan@acm.org>
+
+	* fatal.cc (HCF): Remove nop breakpoint lander.
+
 2020-12-16  Nathan Sidwell  <nathan@acm.org>
 
 	* cody.hh: Allow user to set CODY_NETWORKING.
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 1b9f37e..467daa6 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,36 @@
+2020-12-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	* config/os/djgpp/error_constants.h: Test POSIX errno macros
+	directly, instead of corresponding _GLIBCXX_HAVE_EXXX macros.
+	* config/os/mingw32-w64/error_constants.h: Likewise.
+	* config/os/mingw32/error_constants.h: Likewise.
+
+2020-12-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	* testsuite/lib/libstdc++.exp (check_v3_target_gthreads_timed):
+	Fix condition for _GTHREAD_USE_MUTEX_TIMEDLOCK test.
+
+2020-12-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	* src/c++11/mutex.cc (std::once_flag::_M_finish): Add
+	maybe_unused attribute to variable used in assertion.
+
+2020-12-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	PR libstdc++/98344
+	* include/bits/semaphore_base.h: Fix preprocessor condition.
+
+2020-12-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/std_thread.h (hash<thread::id>): Move here,
+	from ...
+	* include/std/thread (hash<thread::id>): ... here.
+
+2020-12-17  Jonathan Wakely  <jwakely@redhat.com>
+
+	* config.h.in: Regenerate.
+	* configure: Regenerate.
+
 2020-12-16  Jonathan Wakely  <jwakely@redhat.com>
 
 	* Makefile.in: Regenerate.