diff --git a/ChangeLog b/ChangeLog
index 3b32e6d37ed..513ee47005b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,14 @@
+2024-01-09  Siddhesh Poyarekar  <siddhesh@gotplt.org>
+
+	* SECURITY.txt: Drop "exploitable" in the hardening section.
+
+2024-01-09  Tom Tromey  <tom@tromey.com>
+
+	* Makefile.in: Rebuild.
+	* Makefile.tpl (BASE_EXPORTS): Add GUILE.
+	(GUILE): New variable.
+	* Makefile.def (flags_to_pass): Add GUILE.
+
 2024-01-08  Joseph Myers  <josmyers@redhat.com>
 
 	* MAINTAINERS: Update my email address.
diff --git a/contrib/ChangeLog b/contrib/ChangeLog
index 569b8891bc5..04bde02b65b 100644
--- a/contrib/ChangeLog
+++ b/contrib/ChangeLog
@@ -1,3 +1,8 @@
+2024-01-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	* unicode/gen_libstdcxx_unicode_data.py: Print out Gcb_property
+	enumerators in the order they're seen, not alphabetical order.
+
 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 
 	* unicode/README: Add notes about generating libstdc++ tables.
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5d5cf71f11e..55754ed2e60 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,202 @@
+2024-01-09  Jeff Law  <jlaw@ventanamicro.com>
+
+	* config/epiphany/constraints.md (Car): Allow -1024..1023, no more,
+	no less.
+
+2024-01-09  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* config/mn10300/mn10300.md (subdi3_degenerate): Add isa attribute.
+
+2024-01-09  Tamar Christina  <tamar.christina@arm.com>
+
+	* tree-vect-loop.cc (vectorizable_live_operation_1): Drop unused
+	restart_loop.
+	(vectorizable_live_operation): Likewise.
+
+2024-01-09  Tamar Christina  <tamar.christina@arm.com>
+
+	PR tree-optimization/113199
+	* tree-vect-loop.cc (vectorizable_live_operation_1): Use
+	BIT_FIELD_REF.
+
+2024-01-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/113270
+	* config.gcc (aarch64*-*-*): Add aarch64-builtins.h to target_gtfiles.
+	* config/aarch64/aarch64-builtins.cc (aarch64_simd_types): Add extern
+	GTY(()) declaration before the definition, drop GTY(()) drom the
+	definition.
+
+2024-01-09  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/113026
+	* tree-vect-loop-manip.cc (vect_do_peeling): Remove
+	redundant and wrong niter bound setting.  Move niter
+	bound adjustment down.
+
+2024-01-09  Tamar Christina  <tamar.christina@arm.com>
+
+	PR middle-end/113163
+	* tree-vect-loop-manip.cc (vect_can_peel_nonlinear_iv_p):
+	Reject non-linear inductions that aren't supported.
+
+2024-01-09  Roger Sayle  <roger@nextmovesoftware.com>
+
+	* config/arc/arc.cc (arc_shift_alg): New enumerated type for
+	left shift implementation strategies.
+	(arc_shift_info): Type for each entry of the shift strategy table.
+	(arc_shift_context_idx): Return a integer value for each code
+	generation context, used as an index
+	(arc_ashl_alg): Table indexed by context and shifted bit count.
+	(arc_split_ashl): Use the arc_ashl_alg table to select SImode
+	left shift implementation.
+	(arc_rtx_costs) <case ASHIFT>: Use the arc_ashl_alg table to
+	provide accurate costs, when optimizing for speed or size.
+
+2024-01-09  Juzhe-Zhong  <juzhe.zhong@rivai.ai>
+
+	* config/riscv/riscv-vector-costs.cc (loop_invariant_op_p): Fix loop invariant check.
+
+2024-01-09  Julian Brown  <julian@codesourcery.com>
+
+	* gimplify.cc (gimplify_expr): Ensure OMP_ARRAY_SECTION has been
+	processed out before gimplification.
+	* tree-pretty-print.cc (dump_generic_node): Support OMP_ARRAY_SECTION.
+	* tree.def (OMP_ARRAY_SECTION): New tree code.
+
+2024-01-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/113210
+	* tree-vect-loop.cc (vect_get_loop_niters): If non-INTEGER_CST
+	value in *number_of_iterationsm1 PLUS_EXPR 1 is folded into
+	INTEGER_CST, recompute *number_of_iterationsm1 as the INTEGER_CST
+	minus 1.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR rtl-optimization/113140
+	* reorg.cc (fill_slots_from_thread): If we are to branch after the
+	last instruction of the function, create an end label.
+
+2024-01-09  Roger Sayle  <roger@nextmovesoftware.com>
+	    Hongtao Liu  <hongtao.liu@intel.com>
+
+	PR target/112992
+	* config/i386/i386-expand.cc
+	(ix86_convert_const_wide_int_to_broadcast): Allow call to
+	ix86_expand_vector_init_duplicate to fail, and return NULL_RTX.
+	(ix86_broadcast_from_constant): Revert recent change; Return a
+	suitable MEMREF independently of mode/target combinations.
+	(ix86_expand_vector_move): Allow ix86_expand_vector_init_duplicate
+	to decide whether expansion is possible/preferrable.  Only try
+	forcing DImode constants to memory (and trying again) if calling
+	ix86_expand_vector_init_duplicate fails with an DImode immediate
+	constant.
+	(ix86_expand_vector_init_duplicate) <case E_V2DImode>: Try using
+	V4SImode for suitable immediate constants.
+	<case E_V4DImode>: Try using V8SImode for suitable constants.
+	<case E_V4HImode>: Fail for CONST_INT_P, i.e. use constant pool.
+	<case E_V2HImode>: Likewise.
+	<case E_V8HImode>: For CONST_INT_P try using V4SImode via widen.
+	<case E_V16QImode>: For CONT_INT_P try using V8HImode via widen.
+	<label widen>: Handle CONT_INTs via simplify_binary_operation.
+	Allow recursive calls to ix86_expand_vector_init_duplicate to fail.
+	<case E_V16HImode>: For CONST_INT_P try V8SImode via widen.
+	<case E_V32QImode>: For CONST_INT_P try V16HImode via widen.
+	(ix86_expand_vector_init): Move try using a broadcast for all_same
+	with ix86_expand_vector_init_duplicate before using constant pool.
+
+2024-01-09  Chung-Ju Wu  <jasonwucj@gmail.com>
+
+	* doc/invoke.texi (Arm Options): Document Cortex-M52 options.
+
+2024-01-09  Chung-Ju Wu  <jasonwucj@gmail.com>
+
+	* config/arm/arm-cpus.in (cortex-m52): New cpu.
+	* config/arm/arm-tables.opt: Regenerate.
+	* config/arm/arm-tune.md: Regenerate.
+
+2024-01-09  Jiahao Xu  <xujiahao@loongson.cn>
+
+	* config/loongarch/lasx.md (vec_initv32qiv16qi): Rename to ..
+	(vec_init<mode><lasxhalf>): .. this, and extend to mode.
+	(@vec_concatz<mode>): New insn pattern.
+	* config/loongarch/loongarch.cc (loongarch_expand_vector_group_init):
+	Handle VALS containing two vectors.
+
+2024-01-09  Juzhe-Zhong  <juzhe.zhong@rivai.ai>
+
+	* config/riscv/riscv-vector-builtins-functions.def (vleff): Move comments.
+	(vundefined): Ditto.
+
+2024-01-09  Feng Wang  <wangfeng@eswincomputing.com>
+
+	* config/riscv/riscv-vector-builtins-bases.cc (class vandn):
+				Add new function_base for crypto vector.
+	(class bitmanip): Ditto.
+	(class b_reverse):Ditto.
+	(class vwsll):   Ditto.
+	(class clmul):   Ditto.
+	(class vg_nhab):  Ditto.
+	(class crypto_vv):Ditto.
+	(class crypto_vi):Ditto.
+	(class vaeskf2_vsm3c):Ditto.
+	(class vsm3me): Ditto.
+	(BASE): Add BASE declaration for crypto vector.
+	* config/riscv/riscv-vector-builtins-bases.h: Ditto.
+	* config/riscv/riscv-vector-builtins-functions.def (REQUIRED_EXTENSIONS):
+				Add crypto vector intrinsic definition.
+	(vbrev): Ditto.
+	(vclz): Ditto.
+	(vctz): Ditto.
+	(vwsll): Ditto.
+	(vandn): Ditto.
+	(vbrev8): Ditto.
+	(vrev8): Ditto.
+	(vrol): Ditto.
+	(vror): Ditto.
+	(vclmul): Ditto.
+	(vclmulh): Ditto.
+	(vghsh): Ditto.
+	(vgmul): Ditto.
+	(vaesef): Ditto.
+	(vaesem): Ditto.
+	(vaesdf): Ditto.
+	(vaesdm): Ditto.
+	(vaesz): Ditto.
+	(vaeskf1): Ditto.
+	(vaeskf2): Ditto.
+	(vsha2ms): Ditto.
+	(vsha2ch): Ditto.
+	(vsha2cl): Ditto.
+	(vsm4k): Ditto.
+	(vsm4r): Ditto.
+	(vsm3me): Ditto.
+	(vsm3c): Ditto.
+	* config/riscv/riscv-vector-builtins-shapes.cc (struct crypto_vv_def):
+				Add new function_shape for crypto vector.
+	(struct crypto_vi_def): Ditto.
+	(struct crypto_vv_no_op_type_def): Ditto.
+	(SHAPE): Add SHAPE declaration of crypto vector.
+	* config/riscv/riscv-vector-builtins-shapes.h: Ditto.
+	* config/riscv/riscv-vector-builtins-types.def (DEF_RVV_CRYPTO_SEW32_OPS):
+				Add new data type for crypto vector.
+	(DEF_RVV_CRYPTO_SEW64_OPS): Ditto.
+	(vuint32mf2_t): Ditto.
+	(vuint32m1_t): Ditto.
+	(vuint32m2_t): Ditto.
+	(vuint32m4_t): Ditto.
+	(vuint32m8_t): Ditto.
+	(vuint64m1_t): Ditto.
+	(vuint64m2_t): Ditto.
+	(vuint64m4_t): Ditto.
+	(vuint64m8_t): Ditto.
+	* config/riscv/riscv-vector-builtins.cc (DEF_RVV_CRYPTO_SEW32_OPS):
+				Add new data struct for crypto vector.
+	(DEF_RVV_CRYPTO_SEW64_OPS): Ditto.
+	(registered_function::overloaded_hash): Processing size_t uimm for C overloaded func.
+	* config/riscv/riscv-vector-builtins.def (vi): Add vi OP_TYPE.
+
 2024-01-08  Ilya Leoshkevich  <iii@linux.ibm.com>
 
 	PR sanitizer/113251
diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index e55f042e203..4748a81cfd9 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20240109
+20240110
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 9d96560cb25..3ca92dc2176 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,3 +1,204 @@
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc-interface/decl.cc (gnat_to_gnu_entity) <E_Array_Type>: Use the
+	TYPE_CANONICAL of types when it comes to aliasing.
+	* gcc-interface/utils.cc (relate_alias_sets): Likewise.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc-interface/decl.cc (gnat_to_gnu_entity) <E_Array_Type>: Use a
+	separate FLD local variable to hold the first field of the fat
+	pointer type being built.
+	* gcc-interface/gigi.h (relate_alias_sets): Remove GNU_ prefix on
+	the first two parameters.
+	* gcc-interface/utils.cc (relate_alias_sets): Likewise and adjust.
+
+2024-01-09  Viljar Indus  <indus@adacore.com>
+
+	* sem_attr.adb: avoid marking a use of the Address attribute
+	as a modification of its prefix.
+
+2024-01-09  Gary Dismukes  <dismukes@adacore.com>
+
+	* exp_aggr.adb (Expand_Container_Aggregate): Change "not Present"
+	tests to tests using "No" (in two places).
+
+2024-01-09  Bob Duff  <duff@adacore.com>
+
+	* sem_ch12.adb (Instantiate_Type): Make the relevant error message
+	conditional upon "Ekind (A_Gen_T) /= E_Incomplete_Type". Misc
+	cleanup.
+
+2024-01-09  Gary Dismukes  <dismukes@adacore.com>
+
+	* exp_aggr.adb (Expand_Container_Aggregate): Add code to determine
+	whether the aggregate is an indexed aggregate, setting a flag
+	(Is_Indexed_Aggregate), which is tested to have proper separation
+	of treatment for the Add_Unnamed
+	(for positional aggregates) and New_Indexed (for indexed
+	aggregates) cases. In the code generating associations for indexed
+	aggregates, remove the code for Expressions cases entirely, since
+	the code for indexed aggregates is governed by the presence of
+	Component_Associations, and add an assertion that Expressions must
+	be Empty. Also, exclude empty aggregates from entering that code.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* rtsfind.ads (RE_Id): Remove RE_Attach.
+	(RE_Unit_Table): Likewise.
+	* libgnat/s-finmas.ads (Attach): Delete.
+	* libgnat/s-finmas.adb (Attach): Likewise.
+
+2024-01-09  Tucker Taft  <taft@adacore.com>
+
+	* pprint.adb (List_Name): Check for "Box_Present" when displaying
+	a list, and emit "<>" if returns True.
+	* sem_scil.adb (Check_SCIL_Node): Handle case when the type of a
+	parameter is from a package that was mentioned in a limited with
+	clause, and make no further checks, since this check routine does
+	not have all the logic to check such a usage.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* freeze.adb (Freeze_Expression.Has_Decl_In_List): Deal specifically
+	with itypes that are class-wide subtypes.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* libgnat/s-atopri.ads (Atomic_Store): New generic procedure.
+	(Atomic_Store_8): New instantiated procedure.
+	(Atomic_Store_16): Likewise.
+	(Atomic_Store_32): Likewise.
+	(Atomic_Store_64): Likewise.
+	* libgnat/s-atopri__32.ads (Atomic_Store): New generic procedure.
+	(Atomic_Store_8): New instantiated procedure.
+	(Atomic_Store_16): Likewise.
+	(Atomic_Store_32): Likewise.
+	* gcc-interface/decl.cc (gnat_to_gnu_subprog_type): Implement the
+	support for __atomic_store_n and __sync_bool_compare_and_swap_n.
+	* gcc-interface/gigi.h (list_second): New inline function.
+
+2024-01-09  Javier Miranda  <miranda@adacore.com>
+
+	* sem_ch6.adb (Analyze_Subprogram_Specification): Do not replace
+	the type of the formals with its corresponding record in
+	init-procs.
+	* sem_ch9.adb (Analyze_Requeue): Add missing support to requeue to
+	a procedure that denotes a renaming of an entry.
+
+2024-01-09  Piotr Trojanek  <trojanek@adacore.com>
+
+	* exp_util.adb (Possible_Side_Effect_In_SPARK): Refine handling of
+	itype declarations.
+
+2024-01-09  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_ch6.adb (Analyze_Subprogram_Specification): Set Is_Inlined
+	flag by default in GNATprove mode.
+	* sem_res.adb (Resolve_Call): Only look at flag which is cleared
+	when inlined subprogram is detected to be recursive.
+
+2024-01-09  Piotr Trojanek  <trojanek@adacore.com>
+
+	* inline.adb (Establish_Actual_Mapping_For_Inlined_Call):
+	Remove detection of recursive calls.
+
+2024-01-09  Piotr Trojanek  <trojanek@adacore.com>
+
+	* inline.adb (Cannot_Inline): Cleanup use of 'Length; remove
+	dead code.
+
+2024-01-09  Piotr Trojanek  <trojanek@adacore.com>
+
+	* sem_aggr.adb (Resolve_Container_Aggregate): Use "No".
+	* sem_ch8.adb (Find_Direct_Name): Likewise.
+
+2024-01-09  Steve Baird  <baird@adacore.com>
+
+	* sem_util.adb (Enclosing_Declaration): Instead of returning a
+	subprogram specification node, return its parent (which is
+	presumably a subprogram declaration).
+	* contracts.adb (Insert_Stable_Property_Check): Remove code
+	formerly needed to compensate for incorrect behavior of
+	Sem_Util.Enclosing_Declaration.
+	* exp_attr.adb (In_Available_Context): Remove code formerly needed
+	to compensate for incorrect behavior of
+	Sem_Util.Enclosing_Declaration.
+	* sem_ch8.adb (Is_Actual_Subp_Of_Inst): Remove code formerly
+	needed to compensate for incorrect behavior of
+	Sem_Util.Enclosing_Declaration.
+
+2024-01-09  Steve Baird  <baird@adacore.com>
+
+	* sem_ch8.adb (Check_Constrained_Object): Before updating the
+	subtype mark of an object renaming declaration by calling Rewrite,
+	first check whether the destination of the Rewrite call exists.
+	* atree.adb (Copy_Slots): Return without performing any updates if
+	Destination equals Empty or Error, or if Source equals Empty. Any
+	of those conditions indicates an error case.
+	* sem_ch12.adb (Analyze_Formal_Derived_Type): Avoid cascading
+	errors.
+	* sem_ch3.adb (Analyze_Number_Declaration): In an error case, do
+	not pass Error as destination in a call to Rewrite.
+	(Find_Type_Of_Subtype_Indic): In an error case, do not pass Error
+	or Empty as destination in a call to Rewrite.
+
+2024-01-09  Joffrey Huguet  <huguet@adacore.com>
+
+	* libgnat/i-cstrin.ads (Update): Fix precondition.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* sem_aggr.adb (Resolve_Extension_Aggregate): Remove the unreachable
+	call to Transform_BIP_Assignment as well as the procedure.
+
+2024-01-09  Bob Duff  <duff@adacore.com>
+
+	* lib-xref.adb (Generate_Reference): Do not count it as a read
+	reference if we're calling a TSS.
+
+2024-01-09  Piotr Trojanek  <trojanek@adacore.com>
+
+	* doc/gnat_rm/implementation_defined_aspects.rst,
+	doc/gnat_rm/implementation_defined_pragmas.rst: Add sections for
+	Always_Terminates.
+	* gnat-style.texi: Regenerate.
+	* gnat_rm.texi: Regenerate.
+	* gnat_ugn.texi: Regenerate.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR ada/78207
+	* libgnat/g-regexp.ads: Fix outdated comment.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR ada/112781
+	* exp_ch6.ads (Is_Build_In_Place_Function): Adjust description.
+	* exp_ch6.adb (Is_True_Build_In_Place_Function_Call): Delete.
+	(Is_Function_Call_With_BIP_Formals): New predicate.
+	(Is_Build_In_Place_Function_Call): Restore original semantics.
+	(Expand_Call_Helper): Adjust conditions guarding the calls to
+	Add_Dummy_Build_In_Place_Actuals to above renaming.
+	(Expand_N_Extended_Return_Statement): Adjust to above renaming.
+	(Expand_Simple_Function_Return): Likewise.  Move the assertion
+	to after the transformation into an extended return statement.
+	(Make_Build_In_Place_Call_In_Allocator): Remove unreachable code.
+	(Make_Build_In_Place_Call_In_Assignment): Likewise.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR ada/112781
+	* sem_ch12.adb (Instantiate_Type): Use Etype instead of Base_Type
+	consistently to retrieve the ancestor for a derived type.
+	* sem_ch4.adb (Analyze_Explicit_Dereference): Test Is_Access_Type
+	consistently before accessing Designated_Type.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gcc-interface/utils2.cc (build_binary_op) <EQ_EXPR>: Relax
+	assertion for regular pointer types.
+
 2024-01-04  David Malcolm  <dmalcolm@redhat.com>
 
 	* gcc-interface/lang.opt.urls: New file, autogenerated by
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog
index 3f8c3d65f7c..5c62920a538 100644
--- a/gcc/c-family/ChangeLog
+++ b/gcc/c-family/ChangeLog
@@ -1,3 +1,28 @@
+2024-01-09  waffl3x  <waffl3x@protonmail.com>
+
+	PR c++/102609
+	PR c++/102609
+	C++23 P0847R7 (deducing this) - diagnostics.
+	* c-cppbuiltin.cc (c_cpp_builtins): Define
+	__cpp_explicit_this_parameter=202110L feature test macro.
+
+2024-01-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/113262
+	* c-attribs.cc (handle_copy_attribute): Don't use
+	DECL_SOURCE_LOCATION (decl) if decl is not DECL_P, use input_location
+	instead.  Formatting fixes.
+
+2024-01-09  Julian Brown  <julian@codesourcery.com>
+
+	* c-common.h (c_omp_address_inspector): Remove static from get_origin
+	and maybe_unconvert_ref methods.
+	* c-omp.cc (c_omp_split_clauses): Support OMP_ARRAY_SECTION.
+	(c_omp_address_inspector::map_supported_p): Handle OMP_ARRAY_SECTION.
+	(c_omp_address_inspector::get_origin): Avoid dereferencing possibly
+	NULL type when processing template decls.
+	(c_omp_address_inspector::maybe_unconvert_ref): Likewise.
+
 2024-01-04  David Malcolm  <dmalcolm@redhat.com>
 
 	* c.opt.urls: New file, autogenerated by regenerate-opt-urls.py.
diff --git a/gcc/c/ChangeLog b/gcc/c/ChangeLog
index 3e2b5b2e6e6..683964dd926 100644
--- a/gcc/c/ChangeLog
+++ b/gcc/c/ChangeLog
@@ -1,3 +1,8 @@
+2024-01-09  Tamar Christina  <tamar.christina@arm.com>
+
+	PR c/113267
+	* c-parser.cc (c_parser_for_statement): Skip the pragma is no cond.
+
 2024-01-03  Kwok Cheung Yeung  <kcy@codesourcery.com>
 
 	* c-parser.cc (c_parser_omp_clause_name): Move handling of indirect
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 945ac620ace..a666b3b2dac 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,192 @@
+2024-01-09  Jason Merrill  <jason@redhat.com>
+
+	* semantics.cc (is_object_parameter): New.
+	* cp-tree.h (is_object_parameter): Declare.
+	* call.cc (maybe_warn_class_memaccess): Use it.
+	* search.cc (field_access_p): Use it.
+	(class_of_object_parm): New.
+	(field_accessor_p): Adjust for explicit object parms.
+
+2024-01-09  Jason Merrill  <jason@redhat.com>
+
+	* call.cc (build_over_call): Refactor handle_arg lambda.
+	* class.cc (xobj_iobj_parameters_correspond): Fix FIXME.
+	* method.cc (defaulted_late_check): Adjust comments.
+
+2024-01-09  waffl3x  <waffl3x@protonmail.com>
+
+	PR c++/102609
+	PR c++/102609
+	C++23 P0847R7 (deducing this) - CWG2586.
+	* decl.cc (copy_fn_p): Accept xobj copy assignment functions.
+	(move_signature_fn_p): Accept xobj move assignment functions.
+	* method.cc (do_build_copy_assign): Handle defaulted xobj member
+	functions.
+	(defaulted_late_check): Comment.
+	(defaultable_fn_check): Comment.
+
+2024-01-09  waffl3x  <waffl3x@protonmail.com>
+
+	PR c++/102609
+	PR c++/102609
+	C++23 P0847R7 (deducing this) - xobj lambdas.
+	* lambda.cc (build_capture_proxy): Don't fold direct object types.
+	* parser.cc (cp_parser_lambda_declarator_opt): Handle xobj lambdas,
+	diagnostics.  Comments also updated.
+	* pt.cc (tsubst_function_decl): Handle xobj lambdas.  Check object
+	type of xobj lambda call operator, diagnose incorrect types.
+	(tsubst_lambda_expr): Update comment.
+	* semantics.cc (finish_decltype_type): Also consider by-value object
+	parameter qualifications.
+
+2024-01-09  waffl3x  <waffl3x@protonmail.com>
+
+	PR c++/102609
+	PR c++/102609
+	C++23 P0847R7 (deducing this) - diagnostics.
+	* class.cc (resolve_address_of_overloaded_function): Diagnostics.
+	* cp-tree.h (TFF_XOBJ_FUNC): Define.
+	* decl.cc (grokfndecl): Diagnostics.
+	(grokdeclarator): Diagnostics.
+	* error.cc (dump_aggr_type): Pass TFF_XOBJ_FUNC.
+	(dump_lambda_function): Formatting for xobj lambda.
+	(dump_function_decl): Pass TFF_XOBJ_FUNC.
+	(dump_parameters): Formatting for xobj member functions.
+	(function_category): Formatting for xobj member functions.
+	* parser.cc (cp_parser_decl_specifier_seq): Diagnostics.
+	(cp_parser_parameter_declaration): Diagnostics.
+	* search.cc (look_for_overrides_here): Make xobj member functions
+	override.
+	(look_for_overrides_r): Reject an overriding xobj member function
+	and diagnose it.
+	* semantics.cc (finish_this_expr): Diagnostics.
+	* typeck.cc (cp_build_addr_expr_1): Diagnostics.
+
+2024-01-09  waffl3x  <waffl3x@protonmail.com>
+
+	PR c++/102609
+	PR c++/102609
+	C++23 P0847R7 (deducing this) - initial functionality.
+	* class.cc (xobj_iobj_parameters_correspond): New function, checks
+	for corresponding object parameters between xobj and iobj member
+	functions.
+	(add_method): Handle object parameters of xobj member functions, use
+	xobj_iobj_parameters_correspond.
+	* call.cc (build_over_call): Refactor, handle xobj member functions.
+	(cand_parms_match): Handle object parameters of xobj and iobj member
+	functions, use xobj_iobj_parameters_correspond.
+	* cp-tree.h (enum cp_decl_spec): Add ds_this, add comments.
+	* decl.cc (grokfndecl): Add xobj_func_p parameter.  For xobj member
+	functions, Set xobj_flag, don't set static_function flag.
+	(grokdeclarator): Handle xobj member functions, tell grokfndecl.
+	(grok_op_properties): Don't error for xobj operators.
+	* parser.cc (cp_parser_decl_specifier_seq): Handle this specifier.
+	(cp_parser_parameter_declaration): Set default argument to
+	"this_identifier" for xobj parameters.
+	(set_and_check_decl_spec_loc): Add "this", add comments.
+	* tree.cc (build_min_non_dep_op_overload): Handle xobj operators.
+	* typeck.cc (cp_build_addr_expr_1): Handle address-of xobj member
+	functions.
+
+2024-01-09  waffl3x  <waffl3x@protonmail.com>
+	    Jason Merrill  <jason@redhat.com>
+
+	PR c++/102609
+	* cp-tree.h (struct lang_decl_fn): New data member.
+	(DECL_NONSTATIC_MEMBER_FUNCTION_P): Poison.
+	(DECL_IOBJ_MEMBER_FUNCTION_P): Define.
+	(DECL_FUNCTION_XOBJ_FLAG): Define.
+	(DECL_XOBJ_MEMBER_FUNCTION_P): Define.
+	(DECL_OBJECT_MEMBER_FUNCTION_P): Define.
+	(DECL_FUNCTION_MEMBER_P): Don't use
+	DECL_NONSTATIC_MEMBER_FUNCTION_P.
+	(DECL_CONST_MEMFUNC_P): Likewise.
+	(DECL_VOLATILE_MEMFUNC_P): Likewise.
+	(DECL_NONSTATIC_MEMBER_P): Likewise.
+	* module.cc (trees_out::lang_decl_bools): Handle xobj_flag.
+	(trees_in::lang_decl_bools): Handle xobj_flag.
+	* call.cc (build_this_conversion)
+	(add_function_candidate)
+	(add_template_candidate_real)
+	(add_candidates)
+	(maybe_warn_class_memaccess)
+	(cand_parms_match)
+	(joust)
+	(do_warn_dangling_reference)
+	* class.cc (finalize_literal_type_property)
+	(finish_struct)
+	(resolve_address_of_overloaded_function)
+	* constexpr.cc (is_valid_constexpr_fn)
+	(cxx_bind_parameters_in_call)
+	* contracts.cc (build_contract_condition_function)
+	* cp-objcp-common.cc (cp_decl_dwarf_attribute)
+	* cxx-pretty-print.cc (cxx_pretty_printer::postfix_expression)
+	(cxx_pretty_printer::declaration_specifiers)
+	(cxx_pretty_printer::direct_declarator)
+	* decl.cc (cp_finish_decl)
+	(grok_special_member_properties)
+	(start_preparsed_function)
+	(record_key_method_defined)
+	* decl2.cc (cp_handle_deprecated_or_unavailable)
+	* init.cc (find_uninit_fields_r)
+	(build_offset_ref)
+	* lambda.cc (lambda_expr_this_capture)
+	(maybe_generic_this_capture)
+	(nonlambda_method_basetype)
+	* mangle.cc (write_nested_name)
+	* method.cc (early_check_defaulted_comparison)
+	(skip_artificial_parms_for)
+	(num_artificial_parms_for)
+	* pt.cc (is_specialization_of_friend)
+	(determine_specialization)
+	(copy_default_args_to_explicit_spec)
+	(check_explicit_specialization)
+	(tsubst_contract_attribute)
+	(check_non_deducible_conversions)
+	(more_specialized_fn)
+	(maybe_instantiate_noexcept)
+	(register_parameter_specializations)
+	(value_dependent_expression_p)
+	* search.cc (shared_member_p)
+	(lookup_member)
+	(field_access_p)
+	* semantics.cc (finish_omp_declare_simd_methods)
+	* tree.cc (lvalue_kind)
+	* typeck.cc (invalid_nonstatic_memfn_p): Don't use
+	DECL_NONSTATIC_MEMBER_FUNCTION_P.
+
+2024-01-09  Julian Brown  <julian@codesourcery.com>
+
+	* constexpr.cc (potential_consant_expression_1): Handle
+	OMP_ARRAY_SECTION.
+	* cp-tree.h (grok_omp_array_section, build_omp_array_section): Add
+	prototypes.
+	* decl2.cc (grok_omp_array_section): New function.
+	* error.cc (dump_expr): Handle OMP_ARRAY_SECTION.
+	* parser.cc (cp_parser_new): Initialize parser->omp_array_section_p.
+	(cp_parser_statement_expr): Disallow array sections.
+	(cp_parser_postfix_open_square_expression): Support OMP_ARRAY_SECTION
+	parsing.
+	(cp_parser_parenthesized_expression_list, cp_parser_lambda_expression,
+	cp_parser_braced_list): Disallow array sections.
+	(cp_parser_omp_var_list_no_open): Remove ALLOW_DEREF parameter, add
+	MAP_LVALUE in its place.  Support generalised lvalue parsing for
+	OpenMP map, to and from clauses.  Use OMP_ARRAY_SECTION
+	code instead of TREE_LIST to represent OpenMP array sections.
+	(cp_parser_omp_var_list): Remove ALLOW_DEREF parameter, add MAP_LVALUE.
+	Pass to cp_parser_omp_var_list_no_open.
+	(cp_parser_oacc_data_clause): Update call to cp_parser_omp_var_list.
+	(cp_parser_omp_clause_map): Add sk_omp scope around
+	cp_parser_omp_var_list_no_open call.
+	* parser.h (cp_parser): Add omp_array_section_p field.
+	* pt.cc (tsubst, tsubst_copy, tsubst_omp_clause_decl,
+	tsubst_copy_and_build): Add OMP_ARRAY_SECTION support.
+	* semantics.cc (handle_omp_array_sections_1, handle_omp_array_sections,
+	cp_oacc_check_attachments, finish_omp_clauses): Use OMP_ARRAY_SECTION
+	instead of TREE_LIST where appropriate.  Handle more types of map
+	expression.
+	* typeck.cc (build_omp_array_section): New function.
+
 2024-01-07  Nathaniel Shead  <nathanieloshead@gmail.com>
 
 	* module.cc (trees_out::write_var_def): Only write initializers
diff --git a/gcc/m2/ChangeLog b/gcc/m2/ChangeLog
index 938f5300d81..ca4a134a836 100644
--- a/gcc/m2/ChangeLog
+++ b/gcc/m2/ChangeLog
@@ -1,3 +1,55 @@
+2024-01-09  Gaius Mulley  <gaiusmod2@gmail.com>
+
+	PR modula2/112920
+	* gm2-compiler/M2GCCDeclare.mod (Group): New declaration.
+	Import MakeSubrange, MakeConstVar, MakeConstLit and DivTrunc.
+	(FreeGroup): New declaration.
+	(GlobalGroup): New declaration.
+	(ToBeSolvedByQuads): Remove.
+	(NilTypedArrays): Remove.
+	(PartiallyDeclared): Remove.
+	(HeldByAlignment): Remove.
+	(FinishedAlignment): Remove.
+	(ToDoList): Remove.
+	(DebugSet): Re-format.
+	(DebugNumber): Re-format.
+	(DebugSetNumbers): Reference sets using GlobalGroup.
+	(AddSymToWatch): Re-format.
+	(WatchIncludeList): Reference sets using GlobalGroup.
+	(WatchRemoveList): Reference sets using GlobalGroup.
+	(NewGroup): New procedure.
+	(DisposeGroup): New procedure.
+	(InitGroup): New procedure.
+	(KillGroup): New procedure.
+	(DupGroup): New procedure.
+	(EqualGroup): New procedure.
+	(LookupSet): New procedure.
+	(CanDeclareTypePartially): Reference sets using GlobalGroup.
+	(CompletelyResolved): Reference sets using GlobalGroup.
+	(IsNilTypedArrays): Reference sets using GlobalGroup.
+	(IsFullyDeclared): Reference sets using GlobalGroup.
+	(IsPartiallyDeclared): Reference sets using GlobalGroup.
+	(IsPartiallyOrFullyDeclared): Reference sets using GlobalGroup.
+	(DeclareTypeConstFully): Reference sets using GlobalGroup.
+	(bodyl): Remove.
+	(Body): Use bodyt and to lookup the required set.
+	(ForeachTryDeclare): Remove parameter l.  Lookup set instead.
+	(DeclareOutstandingTypes): Add new rules setarraynul and setfully.
+	Reference sets using GlobalGroup.
+	(ActivateWatch): New procedure.
+	(DeclareTypesConstantsProceduresInRange): Re-written to check
+	group change.
+	(DeclareTypesConstantsProcedures): Re-written to check
+	group change.
+	(DeclareBoolean): Reference sets using GlobalGroup.
+	(DeclarePackedBoolean): Ditto.
+	(DeclareDefaultConstants): Ditto.
+	(FreeGroup): Initialized.
+	(GlobalGroup): Ditto.
+	* gm2-compiler/Sets.def (EqualSet): New procedure function.
+	Remove export qualified list of identifiers.
+	* gm2-compiler/Sets.mod (EqualSet): New procedure function.
+
 2024-01-04  David Malcolm  <dmalcolm@redhat.com>
 
 	* lang.opt.urls: New file, autogenerated by
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a8437be4684..7ed6f307edd 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,206 @@
+2024-01-09  Jason Merrill  <jason@redhat.com>
+
+	* g++.dg/torture/accessor-fixits-9-xobj.C: New test.
+
+2024-01-09  waffl3x  <waffl3x@protonmail.com>
+
+	PR c++/102609
+	PR c++/102609
+	C++23 P0847R7 (deducing this) - CWG2586.
+	* g++.dg/cpp23/explicit-obj-basic6.C: New test.
+	* g++.dg/cpp23/explicit-obj-default1.C: New test.
+	* g++.dg/cpp23/explicit-obj-default2.C: New test.
+
+2024-01-09  waffl3x  <waffl3x@protonmail.com>
+
+	PR c++/102609
+	PR c++/102609
+	C++23 P0847R7 (deducing this) - xobj lambdas.
+	* g++.dg/cpp23/explicit-obj-diagnostics8.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda1.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda10.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda11.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda12.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda13.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda2.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda3.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda4.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda5.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda6.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda7.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda8.C: New test.
+	* g++.dg/cpp23/explicit-obj-lambda9.C: New test.
+
+2024-01-09  waffl3x  <waffl3x@protonmail.com>
+
+	PR c++/102609
+	PR c++/102609
+	C++23 P0847R7 (deducing this) - diagnostics.
+	* g++.dg/cpp23/feat-cxx2b.C: Test existance and value of
+	__cpp_explicit_this_parameter feature test macro.
+	* g++.dg/cpp26/feat-cxx26.C: Likewise.
+	* g++.dg/cpp23/explicit-obj-cxx-dialect-A.C: New test.
+	* g++.dg/cpp23/explicit-obj-cxx-dialect-B.C: New test.
+	* g++.dg/cpp23/explicit-obj-cxx-dialect-C.C: New test.
+	* g++.dg/cpp23/explicit-obj-cxx-dialect-D.C: New test.
+	* g++.dg/cpp23/explicit-obj-cxx-dialect-E.C: New test.
+	* g++.dg/cpp23/explicit-obj-diagnostics1.C: New test.
+	* g++.dg/cpp23/explicit-obj-diagnostics2.C: New test.
+	* g++.dg/cpp23/explicit-obj-diagnostics3.C: New test.
+	* g++.dg/cpp23/explicit-obj-diagnostics4.C: New test.
+	* g++.dg/cpp23/explicit-obj-diagnostics5.C: New test.
+	* g++.dg/cpp23/explicit-obj-diagnostics6.C: New test.
+	* g++.dg/cpp23/explicit-obj-diagnostics7.C: New test.
+
+2024-01-09  waffl3x  <waffl3x@protonmail.com>
+
+	PR c++/102609
+	PR c++/102609
+	C++23 P0847R7 (deducing this) - initial functionality.
+	* g++.dg/cpp23/explicit-obj-basic1.C: New test.
+	* g++.dg/cpp23/explicit-obj-basic2.C: New test.
+	* g++.dg/cpp23/explicit-obj-basic3.C: New test.
+	* g++.dg/cpp23/explicit-obj-basic4.C: New test.
+	* g++.dg/cpp23/explicit-obj-basic5.C: New test.
+	* g++.dg/cpp23/explicit-obj-by-value1.C: New test.
+	* g++.dg/cpp23/explicit-obj-by-value2.C: New test.
+	* g++.dg/cpp23/explicit-obj-by-value3.C: New test.
+	* g++.dg/cpp23/explicit-obj-by-value4.C: New test.
+	* g++.dg/cpp23/explicit-obj-constraints.C: New test.
+	* g++.dg/cpp23/explicit-obj-constraints2.C: New test.
+	* g++.dg/cpp23/explicit-obj-ops-mem-arrow.C: New test.
+	* g++.dg/cpp23/explicit-obj-ops-mem-assignment.C: New test.
+	* g++.dg/cpp23/explicit-obj-ops-mem-call.C: New test.
+	* g++.dg/cpp23/explicit-obj-ops-mem-subscript.C: New test.
+	* g++.dg/cpp23/explicit-obj-ops-non-mem-dep.C: New test.
+	* g++.dg/cpp23/explicit-obj-ops-non-mem-non-dep.C: New test.
+	* g++.dg/cpp23/explicit-obj-ops-non-mem.h: New test.
+	* g++.dg/cpp23/explicit-obj-ops-requires-mem.C: New test.
+	* g++.dg/cpp23/explicit-obj-ops-requires-non-mem.C: New test.
+	* g++.dg/cpp23/explicit-obj-redecl.C: New test.
+	* g++.dg/cpp23/explicit-obj-redecl2.C: New test.
+	* g++.dg/cpp23/explicit-obj-redecl3.C: New test.
+	* g++.dg/cpp23/explicit-obj-redecl4.C: New test.
+
+2024-01-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c/113262
+	* gcc.dg/pr113262.c: New test.
+
+2024-01-09  Tamar Christina  <tamar.christina@arm.com>
+
+	PR tree-optimization/113199
+	* gcc.target/gcn/pr113199.c: New test.
+
+2024-01-09  Tamar Christina  <tamar.christina@arm.com>
+
+	* gcc.target/arm/vect-early-break-cbranch.c: Accept thumb output.
+
+2024-01-09  Tamar Christina  <tamar.christina@arm.com>
+
+	PR c/113267
+	* gcc.dg/pr113267.c: New test.
+
+2024-01-09  Tamar Christina  <tamar.christina@arm.com>
+
+	PR middle-end/113163
+	* gcc.target/gcn/pr113163.c: New test.
+
+2024-01-09  Julian Brown  <julian@codesourcery.com>
+
+	* c-c++-common/gomp/map-6.c: Update expected output.
+	* c-c++-common/gomp/target-enter-data-1.c: Update scan test.
+	* g++.dg/gomp/array-section-1.C: New test.
+	* g++.dg/gomp/array-section-2.C: New test.
+	* g++.dg/gomp/bad-array-section-1.C: New test.
+	* g++.dg/gomp/bad-array-section-2.C: New test.
+	* g++.dg/gomp/bad-array-section-3.C: New test.
+	* g++.dg/gomp/bad-array-section-4.C: New test.
+	* g++.dg/gomp/bad-array-section-5.C: New test.
+	* g++.dg/gomp/bad-array-section-6.C: New test.
+	* g++.dg/gomp/bad-array-section-7.C: New test.
+	* g++.dg/gomp/bad-array-section-8.C: New test.
+	* g++.dg/gomp/bad-array-section-9.C: New test.
+	* g++.dg/gomp/bad-array-section-10.C: New test.
+	* g++.dg/gomp/bad-array-section-11.C: New test.
+	* g++.dg/gomp/has_device_addr-non-lvalue-1.C: New test.
+	* g++.dg/gomp/pr67522.C: Update expected output.
+	* g++.dg/gomp/ind-base-3.C: New test.
+	* g++.dg/gomp/map-assignment-1.C: New test.
+	* g++.dg/gomp/map-inc-1.C: New test.
+	* g++.dg/gomp/map-lvalue-ref-1.C: New test.
+	* g++.dg/gomp/map-ptrmem-1.C: New test.
+	* g++.dg/gomp/map-ptrmem-2.C: New test.
+	* g++.dg/gomp/map-static-cast-lvalue-1.C: New test.
+	* g++.dg/gomp/map-ternary-1.C: New test.
+	* g++.dg/gomp/member-array-2.C: New test.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gnat.dg/bip_prim_func2.adb: New test.
+	* gnat.dg/bip_prim_func2_pkg.ads, gnat.dg/bip_prim_func2_pkg.adb:
+	New helper package.
+
+2024-01-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/113210
+	* gcc.c-torture/compile/pr113210.c: New test.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gnat.dg/specs/anon4.ads: New test.
+
+2024-01-09  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* g++.dg/opt/delay-slot-2.C: New test.
+
+2024-01-09  Roger Sayle  <roger@nextmovesoftware.com>
+	    Hongtao Liu  <hongtao.liu@intel.com>
+
+	* gcc.target/i386/auto-init-8.c: Update test case.
+	* gcc.target/i386/avx512f-broadcast-pr87767-1.c: Likewise.
+	* gcc.target/i386/avx512f-broadcast-pr87767-5.c: Likewise.
+	* gcc.target/i386/avx512fp16-13.c: Likewise.
+	* gcc.target/i386/avx512vl-broadcast-pr87767-1.c: Likewise.
+	* gcc.target/i386/avx512vl-broadcast-pr87767-5.c: Likewise.
+	* gcc.target/i386/pr100865-1.c: Likewise.
+	* gcc.target/i386/pr100865-10a.c: Likewise.
+	* gcc.target/i386/pr100865-10b.c: Likewise.
+	* gcc.target/i386/pr100865-2.c: Likewise.
+	* gcc.target/i386/pr100865-3.c: Likewise.
+	* gcc.target/i386/pr100865-4a.c: Likewise.
+	* gcc.target/i386/pr100865-4b.c: Likewise.
+	* gcc.target/i386/pr100865-5a.c: Likewise.
+	* gcc.target/i386/pr100865-5b.c: Likewise.
+	* gcc.target/i386/pr100865-9a.c: Likewise.
+	* gcc.target/i386/pr100865-9b.c: Likewise.
+	* gcc.target/i386/pr102021.c: Likewise.
+	* gcc.target/i386/pr90773-17.c: Likewise.
+
+2024-01-09  Haochen Jiang  <haochen.jiang@intel.com>
+
+	* gcc.target/i386/avx512fp16-xorsign-1.c: Fix testcase.
+	* gcc.target/i386/part-vect-absneghf.c: Ditto.
+
+2024-01-09  Jiahao Xu  <xujiahao@loongson.cn>
+
+	* gcc.target/loongarch/vector/lasx/lasx-vec-init-2.c: New test.
+
+2024-01-09  Feng Wang  <wangfeng@eswincomputing.com>
+
+	* gcc.target/riscv/rvv/base/zvbb-intrinsic.c: New test.
+	* gcc.target/riscv/rvv/base/zvbb_vandn_vx_constraint.c: New test.
+	* gcc.target/riscv/rvv/base/zvbc-intrinsic.c: New test.
+	* gcc.target/riscv/rvv/base/zvbc_vx_constraint-1.c: New test.
+	* gcc.target/riscv/rvv/base/zvbc_vx_constraint-2.c: New test.
+	* gcc.target/riscv/rvv/base/zvkg-intrinsic.c: New test.
+	* gcc.target/riscv/rvv/base/zvkned-intrinsic.c: New test.
+	* gcc.target/riscv/rvv/base/zvknha-intrinsic.c: New test.
+	* gcc.target/riscv/rvv/base/zvknhb-intrinsic.c: New test.
+	* gcc.target/riscv/rvv/base/zvksed-intrinsic.c: New test.
+	* gcc.target/riscv/rvv/base/zvksh-intrinsic.c: New test.
+	* gcc.target/riscv/zvkb.c: New test.
+
 2024-01-08  John David Anglin  <danglin@gcc.gnu.org>
 
 	* gcc.dg/tree-ssa/ssa-sink-18.c: xfail dg-final "Sunk statements: 5"
diff --git a/include/ChangeLog b/include/ChangeLog
index b6afbd0f336..eb71bbb9f2b 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2024-01-09  Jeff Law  <jlaw@ventanamicro.com>
+
+	* longlong.h (__stormy16_count_leading_zeros): Add prototype for
+	__clzhi2.
+
 2023-12-15  Julian Brown  <julian@codesourcery.com>
 
 	* gomp-constants.h (gomp_map_kind): Add GOMP_MAP_STRUCT_UNORD.
diff --git a/libcc1/ChangeLog b/libcc1/ChangeLog
index 6cdab1188b2..746e3c48d0c 100644
--- a/libcc1/ChangeLog
+++ b/libcc1/ChangeLog
@@ -1,3 +1,10 @@
+2024-01-09  waffl3x  <waffl3x@protonmail.com>
+	    Jason Merrill  <jason@redhat.com>
+
+	PR c++/102609
+	* libcp1plugin.cc (plugin_pragma_push_user_expression): Don't use
+	DECL_NONSTATIC_MEMBER_FUNCTION_P.
+
 2023-12-06  David Malcolm  <dmalcolm@redhat.com>
 
 	* context.cc (plugin_print_error_function): Make diagnostic_info
diff --git a/libgomp/ChangeLog b/libgomp/ChangeLog
index 63bc54f1595..1ff33781cc0 100644
--- a/libgomp/ChangeLog
+++ b/libgomp/ChangeLog
@@ -1,3 +1,26 @@
+2024-01-09  Julian Brown  <julian@codesourcery.com>
+
+	* testsuite/libgomp.c++/baseptrs-4.C: Remove commented-out cases that
+	now work.
+	* testsuite/libgomp.c++/baseptrs-6.C: New test.
+	* testsuite/libgomp.c++/ind-base-1.C: New test.
+	* testsuite/libgomp.c++/ind-base-2.C: New test.
+	* testsuite/libgomp.c++/lvalue-tofrom-1.C: New test.
+	* testsuite/libgomp.c++/lvalue-tofrom-2.C: New test.
+	* testsuite/libgomp.c++/map-comma-1.C: New test.
+	* testsuite/libgomp.c++/map-rvalue-ref-1.C: New test.
+	* testsuite/libgomp.c++/struct-ref-1.C: New test.
+	* testsuite/libgomp.c-c++-common/array-field-1.c: New test.
+	* testsuite/libgomp.c-c++-common/array-of-struct-1.c: New test.
+	* testsuite/libgomp.c-c++-common/array-of-struct-2.c: New test.
+
+2024-01-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR libgomp/113192
+	* configure.ac (FLOCK): Use \$(abs_top_srcdir)/testsuite/flock
+	rather than $srcdir/testsuite/flock.
+	* configure: Regenerated.
+
 2024-01-08  Thomas Schwinge  <thomas@codesourcery.com>
 
 	* plugin/plugin-gcn.c (EF_AMDGPU_MACH): Add
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 056174caf12..5628341ec3c 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,29 @@
+2024-01-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/unicode-data.h: Regenerate.
+	* include/bits/unicode.h (_Utf_iterator::operator++()): Fix off
+	by one error.
+	(__incb_property): Add missing check for values before the
+	first edge.
+	(__is_extended_pictographic): Invert return values to fix
+	copy&pasted logic.
+	(_Grapheme_cluster_view::_Iterator): Remove second iterator
+	member and find end of cluster lazily.
+	* testsuite/ext/unicode/grapheme_view.cc: New test.
+	* testsuite/ext/unicode/properties.cc: New test.
+	* testsuite/ext/unicode/view.cc: New test.
+
+2024-01-09  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* scripts/extract_symvers.in: Require final colon to only match
+	.dsynsym in the header of the dynamic symtab.
+
+2024-01-09  Jonathan Wakely  <jwakely@redhat.com>
+
+	* include/bits/chrono_io.h (__formatter_chrono::_M_F): Simplify
+	handling of string returned from std::format.
+	(__formatter_chrono::_M_R_T): Likewise.
+
 2024-01-08  Jonathan Wakely  <jwakely@redhat.com>
 
 	* include/bits/unicode.h (__null_sentinel): Remove.