[thirdparty/gcc.git] / gcc / ada / ChangeLog

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * sem_aggr.adb (Resolve_Iterated_Component_Association): Simply resolve
        the expression.

2023-06-13  Bob Duff  <duff@adacore.com>

        * exp_ch4.adb
        (Expand_N_Quantified_Expression): Detect the secondary-stack
        case, and find the innermost scope where we should mark/release,
        and Set_Uses_Sec_Stack on that. Skip intermediate blocks and loops
        that are part of expansion.

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Is_Repeatedly_Evaluated): Recognize iterated component
        association as repeatedly evaluated.

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Is_Potentially_Unevaluated): Recognize iterated
        component association as potentially unevaluated.

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * sem_res.adb (Resolve_Call): Replace early call to
        In_Quantified_Expression with a call to Is_Potentially_Unevaluated that
        was only done when Full_Analysis is true.

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * aspects.ads (Aspect_Id): Add new aspect.
        (Implementation_Defined_Aspect): New aspect is
        implementation-defined.
        (Aspect_Argument): New aspect has an expression argument.
        (Is_Representation_Aspect): New aspect is not a representation
        aspect.
        (Aspect_Names): Link new aspect identifier with a name.
        (Aspect_Delay): New aspect is never delayed.
        * contracts.adb (Expand_Subprogram_Contract): Mention new aspect
        in comment.
        (Add_Contract_Item): Attach pragma corresponding to the new aspect
        to contract items.
        (Analyze_Entry_Or_Subprogram_Contract): Analyze pragma
        corresponding to the new aspect that appears with subprogram spec.
        (Analyze_Subprogram_Body_Stub_Contract): Expand pragma
        corresponding to the new aspect.
        * contracts.ads
        (Add_Contract_Item, Analyze_Entry_Or_Subprogram_Contract)
        (Analyze_Entry_Or_Subprogram_Body_Contract)
        (Analyze_Subprogram_Body_Stub_Contract): Mention new aspect in
        comment.
        * einfo-utils.adb (Get_Pragma): Return pragma attached to
        contract.
        * einfo-utils.ads (Get_Pragma): Mention new contract in comment.
        * exp_prag.adb (Expand_Pragma_Always_Terminates): Placeholder for
        possibly expanding new aspect.
        * exp_prag.ads (Expand_Pragma_Always_Terminates): Dedicated
        routine for expansion of the new aspect.
        * inline.adb (Remove_Aspects_And_Pragmas): Remove aspect from
        inlined bodies.
        * par-prag.adb (Prag): Postpone checking of the pragma until
        analysis.
        * sem_ch12.adb: Mention new aspect in explanation of handling
        contracts on generic units.
        * sem_ch13.adb (Analyze_Aspect_Specifications): Convert new aspect
        into a corresponding pragma.
        (Check_Aspect_At_Freeze_Point): Don't expect new aspect.
        * sem_prag.adb (Analyze_Always_Terminates_In_Decl_Part): Analyze
        pragma corresponding to the new aspect.
        (Analyze_Pragma): Handle pragma corresponding to the new aspect.
        (Is_Non_Significant_Pragma_Reference): Handle references appearing
        within new aspect.
        * sem_prag.ads (Aspect_Specifying_Pragma): New aspect can be
        emulated with a pragma.
        (Assertion_Expression_Pragma): New aspect has an assertion
        expression.
        (Pragma_Significant_To_Subprograms): New aspect is significant to
        subprograms.
        (Analyze_Always_Terminates_In_Decl_Part): Add spec for routine
        that analyses new aspect.
        (Find_Related_Declaration_Or_Body): Mention new aspect in comment.
        * sem_util.adb (Is_Subprogram_Contract_Annotation): New aspect is
        a subprogram contract annotation.
        * sem_util.ads (Is_Subprogram_Contract_Annotation): Mention new
        aspect in comment.
        * sinfo.ads (Is_Generic_Contract_Pragma): New pragma is a generic
        contract.
        (Contract): Explain attaching new pragma to subprogram contract.
        * snames.ads-tmpl (Name_Always_Terminates): New name for the new
        contract.
        (Pragma_Always_Terminates): New pragma identifier.

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * sem_elab.adb (Check_Overriding_Primitive): Prevent Corresponding_Body
        to be called with entity of an abstract subprogram.

2023-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch12.adb (Save_References_In_Identifier): In the case where
        the identifier has been turned into a function call by analysis,
        call Set_Global_Type on the entity if it is global.

2023-06-13  Marc Poulhiès  <poulhies@adacore.com>

        * sem_aggr.adb (Resolve_Iterated_Component_Association): Call
        Preanalyze_And_Resolve instead of Resolve_Aggr_Expr except for
        aggregate.
        Co-authored-by: Ed Schonberg <schonberg@adacore.com>

2023-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        * contracts.adb (Contract_Error): New exception.
        (Add_Contract_Item): Raise Contract_Error instead of Program_Error.
        (Add_Generic_Contract_Pragma): Deal with Contract_Error.

2023-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_attr.adb (Eval_Attribute): Add more exceptions to the early
        return for a prefix which is a nonfrozen generic actual type.
        * sem_ch12.adb (Copy_Generic_Node): Also check private views in the
        case of an entity name or operator analyzed as a function call.
        (Set_Global_Type): Make it a child of Save_Global_References.
        (Save_References_In_Operator): In the case where the operator has
        been turned into a function call, call Set_Global_Type on the entity
        if it is global.

2023-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        * contracts.adb (Analyze_Entry_Or_Subprogram_Body_Contract): For a
        subprogram body that has no contracts and does not come from source,
        make sure that contracts on its corresponding spec are analyzed, if
        any, before expanding them.

2023-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        * gen_il-fields.ads (Opt_Field_Enum): Add No_Finalize_Actions and
        remove No_Side_Effect_Removal.
        * gen_il-gen-gen_nodes.adb (N_Function_Call): Remove semantic flag
        No_Side_Effect_Removal
        (N_Assignment_Statement): Add semantic flag No_Finalize_Actions.
        * sinfo.ads (No_Ctrl_Actions): Adjust comment.
        (No_Finalize_Actions): New flag on assignment statements.
        (No_Side_Effect_Removal): Delete.
        * exp_aggr.adb (Build_Record_Aggr_Code): Remove obsolete comment and
        Ancestor_Is_Expression variable.  In the case of an extension, do
        not generate a call to Adjust manually, call Set_No_Finalize_Actions
        instead.  Do not set the tags, replace call to Make_Unsuppress_Block
        by Make_Suppress_Block and remove useless assertions.
        In the general case, call Initialize_Component.
        (Initialize_Controlled_Component): Delete.
        (Initialize_Simple_Component): Delete.
        (Initialize_Component): Do the low-level processing, but do not
        generate a call to Adjust manually, call Set_No_Finalize_Actions.
        (Process_Transient_Component): Delete.
        (Process_Transient_Component_Completion): Likewise.
        * exp_ch5.adb (Expand_Assign_Array): Deal with No_Finalize_Actions.
        (Expand_Assign_Array_Loop): Likewise.
        (Expand_N_Assignment_Statement): Likewise.
        (Make_Tag_Ctrl_Assignment): Likewise.
        * exp_util.adb (Remove_Side_Effects): Do not test the
        No_Side_Effect_Removal flag.
        * sem_prag.adb (Process_Suppress_Unsuppress): Give the warning in
        SPARK mode only for pragma Suppress.
        * tbuild.ads (Make_Suppress_Block): New declaration.
        (Make_Unsuppress_Block): Adjust comment.
        * tbuild.adb (Make_Suppress_Block): New procedure.
        (Make_Unsuppress_Block): Unsuppress instead of suppressing.

2023-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch5.adb (Analyze_Assignment): Turn Rhs into a constant and
        remove calls to the following subprograms.
        (Transform_BIP_Assignment): Delete.
        (Should_Transform_BIP_Assignment): Likewise.

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.ads (Is_Inherited_Operation_For_Type): Remove spec.
        * sem_util.adb (Is_Inherited_Operation_For_Type): Remove body.

2023-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_aggr.adb (Build_Record_Aggr_Code): Add new variable Ancestor_Q
        to store the result of Unqualify on Ancestor.  Remove the dead call
        to Generate_Finalization_Actions in the case of another aggregate as
        ancestor part.  Remove the redundant setting of Assignment_OK.  Use
        Init_Typ in lieu of Etype (Ancestor) more consistently.

2023-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_aggr.adb (Build_Record_Aggr_Code): In the case of an extension
        aggregate of a limited type whose ancestor part is an aggregate, do
        not skip the final code assigning the tag of the extension.

2023-06-13  Yannick Moy  <moy@adacore.com>

        * ghost.adb (Check_Ghost_Context): Allow absence of Ghost_Id
        for attribute. Update error message to mention Ghost_Predicate.
        (Is_Ghost_Attribute_Reference): New query.
        * ghost.ads (Is_Ghost_Attribute_Reference): New query.
        * sem_attr.adb (Resolve_Attribute): Check ghost context for ghost
        attributes.

2023-06-13  Daniel King  <dmking@adacore.com>

        * libgnat/s-stoele.ads: Add No_Elaboration_Code_All pragma.

2023-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_util.ads (Make_Tag_Assignment_From_Type): Declare.
        * exp_util.adb (Make_Tag_Assignment_From_Type): New function.
        * exp_aggr.adb (Build_Record_Aggr_Code): Call the above function.
        (Initialize_Simple_Component): Likewise.
        * exp_ch3.adb (Build_Record_Init_Proc.Build_Assignment): Likewise.
        (Build_Record_Init_Proc.Build_Init_Procedure ): Likewise.
        (Make_Tag_Assignment): Likewise.  Rename local variable and call
        Unqualify to go through qualified expressions.
        * exp_ch4.adb (Expand_Allocator_Expression): Likewise.

2023-06-13  Yannick Moy  <moy@adacore.com>

        * libgnat/a-strsup.ads: Change predicate aspect.
        * sem_ch13.adb (Add_Predicate): Fix for first predicate.

2023-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_aggr.adb (Initialize_Component): Perform immediate expansion
        of the initialization expression if it is a conditional expression
        and the component type is controlled.

2023-06-13  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_aggr.adb (Initialize_Component): New procedure factored out
        from the processing of array and record aggregates.
        (Initialize_Controlled_Component): Likewise.
        (Initialize_Simple_Component): Likewise.
        (Build_Array_Aggr_Code.Gen_Assign): Remove In_Loop parameter.
        Call Initialize_Component to initialize the component.
        (Initialize_Array_Component): Delete.
        (Initialize_Ctrl_Array_Component): Likewise.
        (Build_Array_Aggr_Code): Adjust calls to Gen_Assign.
        (Build_Record_Aggr_Code): Call Initialize_Simple_Component or
        Initialize_Component to initialize the component.
        (Initialize_Ctrl_Record_Component): Delete.
        (Initialize_Record_Component): Likewise.

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * exp_ch11.adb (Expand_N_Raise_Statement): Expansion of raise statements
        never happens in GNATprove mode.

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * exp_ch11.adb (Find_Local_Handler): Replace guard against other
        constructs appearing in the list of exception handlers with iteration
        using First_Non_Pragma/Next_Non_Pragma.

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * exp_ch11.ads (Find_Local_Handler): Fix typo in comment.
        * exp_ch11.adb (Find_Local_Handler): Remove redundant check for the
        Exception_Handler list being present; use membership test to eliminate
        local object LCN; fold nested IF statements. Remove useless ELSIF
        condition.

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Check_Function_Writable_Actuals): Tune style; use
        subtype name to detect membership test nodes.

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * exp_disp.adb (Make_Disp_Asynchronous_Select_Spec): Use a single call
        to New_List.

2023-06-13  Yannick Moy  <moy@adacore.com>

        * doc/gnat_rm/implementation_defined_aspects.rst: Document new
        aspect.
        * doc/gnat_rm/implementation_defined_pragmas.rst: Whitespace.
        * aspects.adb (Init_Canonical_Aspect): Set it to Predicate.
        * aspects.ads: Set global constants for new aspect.
        * einfo.ads: Describe new flag related to new aspect.
        * exp_ch6.adb (Can_Fold_Predicate_Call): Do not fold new aspect.
        * exp_util.adb (Make_Predicate_Check): Add comment.
        * gen_il-fields.ads: Add new flag.
        * gen_il-gen-gen_entities.adb: Add new flag.
        * ghost.adb (Is_OK_Ghost_Context): Ghost predicate is an OK
        ghost context.
        (Mark_Ghost_Pragma): Add overloading with ghost mode parameter.
        * ghost.ads (Mark_Ghost_Pragma): Add overloading with ghpst mode
        parameter.
        (Name_To_Ghost_Mode): Make function public.
        * sem_aggr.adb: Issue error for violation of valid use.
        * sem_case.adb: Issue error for violation of valid use.
        * sem_ch13.adb: Adapt for new aspect.
        * sem_ch3.adb (Analyze_Full_Type_Declaration): Remove dead code
        which was trying to propagate Has_Predicates flag in the wrong
        direction (from derived to parent type).
        (Analyze_Number_Declaration): Issue error for violation of valid
        use.
        (Build_Derived_Type): Cleanup inheritance of predicate flags from
        parent to derived type.
        (Build_Predicate_Function): Only add a predicate check when it
        is not ignored as Ghost code.
        * sem_ch4.adb (Analyze_Membership_Op): Issue an error for use of
        a subtype with a ghost predicate as name in a membership test.
        * sem_ch5.adb (Check_Predicate_Use): Issue error for violation of
        valid use.
        * sem_eval.adb: Adapt code for Dynamic_Predicate to account for
        Ghost_Predicate too.
        * sem_prag.adb (Analyze_Pragma): Make pragma ghost or not.
        * sem_util.adb (Bad_Predicated_Subtype_Use): Adapt to new aspect.
        (Inherit_Predicate_Flags): Add inheritance of flag. Add parameter
        to apply to derived types.
        * sem_util.ads (Inherit_Predicate_Flags): Change signature.
        * snames.ads-tmpl: Add new aspect name.
        * gnat_rm.texi: Regenerate.

2023-06-13  Piotr Trojanek  <trojanek@adacore.com>

        * exp_ch3.adb (Make_Controlling_Function_Wrappers): Remove early
        decoration.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.cc (get_storage_model_access): Also strip any
        type conversion in the node when unwinding the components.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.cc (node_is_component): Remove parentheses.
        (node_is_type_conversion): New predicate.
        (get_atomic_access): Use it.
        (get_storage_model_access): Likewise and look into the parent to
        find a component if it returns true.
        (present_in_lhs_or_actual_p): Likewise.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.cc (Attribute_to_gnu) <Attr_Size>: Check that
        the storage model has Copy_From before instantiating loads for it.
        <Attr_Length>: Likewise.
        <Attr_Bit_Position>: Likewise.
        (gnat_to_gnu) <N_Indexed_Component>: Likewise.
        <N_Slice>: Likewise.

2023-05-30  Marc Poulhiès  <poulhies@adacore.com>

        * gcc-interface/trans.cc (Attribute_to_gnu): Also strip conversion
        in case of DECL.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.cc (gnat_to_gnu_entity) <E_Array_Type>: Use a
        local variable for the GNAT index type.
        <E_Array_Subtype>: Likewise.  Call Is_Null_Range on the bounds and
        force the zero on TYPE_SIZE and TYPE_SIZE_UNIT if it returns true.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.cc (gnat_to_gnu) <N_Op_Mod>: Test the
        precision of the operation rather than that of the result type.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.cc (gnat_to_gnu_entity) <E_Variable>: Replace
        integer_zero_node with null_pointer_node for pointer types.
        * gcc-interface/trans.cc (gnat_gimplify_expr) <NULL_EXPR>: Likewise.
        * gcc-interface/utils.cc (maybe_pad_type): Do not attempt to make a
        packable type from a fat pointer type.
        * gcc-interface/utils2.cc (build_atomic_load): Use a local variable.
        (build_atomic_store): Likewise.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/misc.cc (internal_error_function): Be prepared for
        an input_location set to UNKNOWN_LOCATION.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.cc (Attribute_to_gnu) <Attr_Size>: Tweak.
        (gnat_to_gnu) <N_Assignment_Statement>: Declare a local variable.
        For a target with a storage model, use the Actual_Designated_Subtype
        to compute the size if it is present.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.cc (Call_to_gnu): Remove code implementing the
        by-copy semantics for actuals with nonnative storage models.
        (gnat_to_gnu) <N_Assignment_Statement>: Remove code instantiating a
        temporary for assignments between nonnative storage models.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.cc (range_cannot_be_superflat): Return true
        immediately if Cannot_Be_Superflat is set.
        * gcc-interface/misc.cc (gnat_post_options): Do not override the
        -Wstringop-overflow setting.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/Make-lang.in (ADA_CFLAGS): Move up.
        (ALL_ADAFLAGS): Add $(NO_PIE_CFLAGS).
        (ada/mdll.o): Remove.
        (ada/mdll-fil.o): Likewise.
        (ada/mdll-utl.o): Likewise.

2023-05-30  Marc Poulhiès  <poulhies@adacore.com>

        * gcc-interface/trans.cc (get_storage_model_access): Don't require
        storage model access for dereference used as lvalue or renamings.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_aggr.adb (Build_Array_Aggr_Code): Move the declaration of Typ
        to the beginning.
        (Initialize_Array_Component): Test the unqualified version of the
        expression for the nested array case.
        (Initialize_Ctrl_Array_Component): Do not duplicate the expression
        here.  Do the pattern matching of the unqualified version of it.
        (Gen_Assign): Call Unqualify to compute Expr_Q and use Expr_Q in
        subsequent pattern matching.
        (Initialize_Ctrl_Record_Component): Do the pattern matching of the
        unqualified version of the aggregate.
        (Build_Record_Aggr_Code): Call Unqualify.
        (Convert_Aggr_In_Assignment): Likewise.
        (Convert_Aggr_In_Object_Decl): Likewise.
        (Component_OK_For_Backend): Likewise.
        (Is_Delayed_Aggregate): Likewise.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_aggr.adb (Build_Array_Aggr_Code.Get_Assoc_Expr): Duplicate the
        expression here instead of...
        (Build_Array_Aggr_Code): ...here.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * freeze.adb (Check_Large_Modular_Array): Fix head comment, use
        Standard_Long_Long_Integer_Size directly and generate a reference
        just before the raise statement if the Etype of the object is an
        itype declared in an open scope.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch7.adb (Find_Enclosing_Transient_Scope): Return the index in
        the scope table instead of the scope's entity.
        (Establish_Transient_Scope): If an enclosing scope already exists,
        do not set the Uses_Sec_Stack flag on it if the node to be wrapped
        is a return statement which requires secondary stack management.

2023-05-30  Joel Brobecker  <brobecker@adacore.com>

        * Makefile.rtl: Use libgnat/s-tsmona__linux.adb on
        aarch64-linux.  Link libgnat with -ldl, as the use of
        s-tsmona__linux.adb requires it.

2023-05-30  Piotr Trojanek  <trojanek@adacore.com>

        * exp_ch3.adb
        (Build_Access_Subprogram_Wrapper_Body): Build wrapper body if requested
        by routine that builds wrapper spec.
        * sem_ch3.adb
        (Analyze_Full_Type_Declaration): Only build wrapper when expander is
        active.
        (Build_Access_Subprogram_Wrapper):
        Remove special-case for GNATprove.

2023-05-30  Ronan Desplanques  <desplanques@adacore.com>

        * doc/gnat_ugn/building_executable_programs_with_gnat.rst: Fix minor issues.
        * doc/gnat_ugn/the_gnat_compilation_model.rst: Fix minor issues.
        * gnat_ugn.texi: Regenerate.

2023-05-30  Johannes Kliemann  <kliemann@adacore.com>

        * libgnat/s-parame.adb: Check that Default_Stack_Size >=
        Minimum_Stack_size.
        * libgnat/s-parame__rtems.adb: Ditto.
        * libgnat/s-parame__vxworks.adb: Check that Default_Stack_Size >=
        Minimum_Stack_size and use the proper Minimum_Stack_Size if
        Stack_Check_Limits is enabled.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_res.adb (Resolve_Call): Restrict previous change to calls that
        return on the same stack as the enclosing function.  Tidy up.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * libgnat/a-cidlli.adb (Put_Image): Simplify.
        * libgnat/a-coinve.adb (Put_Image): Likewise.

2023-05-30  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_util.adb (Build_DIC_Procedure_Body.Add_Own_DIC): When inside
        a generic unit, preanalyze the expression directly.
        (Build_Invariant_Procedure_Body.Add_Own_Invariants): Likewise.

2023-05-30  Cedric Landet  <landet@adacore.com>

        * init.c: Replace FIXME by ???

2023-05-29  Cedric Landet  <landet@adacore.com>

        * s-oscons-tmplt.c: move the definition of sigset out of the
        HAVE_SOCKETS bloc.

2023-05-29  Cedric Landet  <landet@adacore.com>

        * Makefile.rtl: Move g-spogwa$(objext) from GNATRTL_NONTASKING_OBJS
        to GNATRTL_SOCKETS_OBJS

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * freeze.adb (Wrap_Imported_Subprogram): Use Copy_Subprogram_Spec in
        both cases to copy the spec of the subprogram.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch7.adb (Establish_Transient_Scope.Find_Transient_Context):
        Bail out for a simple return statement only if the transient scope
        and the function both require secondary stack management, or else
        if the function is a thunk.
        * sem_res.adb (Resolve_Call): Do not create a transient scope when
        the call is the expression of a simple return statement.

2023-05-29  Patrick Bernardi  <bernardi@adacore.com>

        * libgnat/a-excach.adb (Call_Chain): Replace
        Code_Address_For_AAA/ZZZ functions with AAA/ZZZ'Code_Address.
        * libgnat/a-except.adb (Code_Address_For_AAA/ZZZ): Delete.
        (AAA/ZZZ): New null procedures.
        * libgnat/g-debpoo.adb
        (Code_Address_For_Allocate_End): Delete.
        (Code_Address_For_Deallocate_End): Delete.
        (Code_Address_For_Dereference_End): Delete.
        (Allocate): Remove label and use Code_Address attribute to
        determine subprogram addresses.
        (Dellocate): Likewise.
        (Dereference): Likewise.
        (Allocate_End): Convert to null procedure.
        (Dellocate_End): Likewise.
        (Dereference_End): Likewise.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch6.adb (Expand_Simple_Function_Return): Call Insert_Actions
        consistently when rewriting the expression.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_util.adb (Is_Finalizable_Transient.Is_Indexed_Container):
        New predicate to detect a temporary created to hold the result of
        a constant indexing on a container.
        (Is_Finalizable_Transient.Is_Iterated_Container): Adjust a couple
        of obsolete comments.
        (Is_Finalizable_Transient): Return False if Is_Indexed_Container
        returns True on the object.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_res.adb (Has_Applicable_User_Defined_Literal): Make it clear
        that the predicate also checks the node itself.
        (Try_User_Defined_Literal): Move current implementation to...
        Deal only with literals, named numbers and conditional expressions
        whose dependent expressions are literals or named numbers.
        (Try_User_Defined_Literal_For_Operator): ...this.  Remove multiple
        return False statements and put a single one at the end.
        (Resolve): Call Try_User_Defined_Literal instead of directly
        Has_Applicable_User_Defined_Literal for all nodes.  Call
        Try_User_Defined_Literal_For_Operator for operator nodes.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * sem_res.adb (Invoked_With_Different_Arguments): Use Get_Called_Entity,
        which properly deals with calls via an access-to-subprogram; fix
        inconsistent use of a Call object declared in enclosing subprogram.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * contracts.adb
        (Add_Pre_Post_Condition): Attach pre/post aspects to E_Subprogram_Type
        entity.
        (Analyze_Entry_Or_Subprogram_Contract): Adapt to use full type
        declaration for a contract attached to E_Subprogram_Type entity.
        * sem_prag.adb
        (Analyze_Pre_Post_Condition): Add pre/post aspects to the designed type.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Check_Function_Writable_Actuals): Remove guard against
        a membership test with no alternatives; simplify with a membership test.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * doc/gnat_ugn/gnat_and_program_execution.rst
        (Some Useful Memory Pools): Remove extra whitespace from examples.
        * sem_aggr.adb (Make_String_Into_Aggregate): Remove extra whitespace.
        * gnat_ugn.texi: Regenerate.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * exp_aggr.adb (Convert_Aggr_In_Allocator): Replace Get_TSS_Name
        with a high-level Is_TSS.
        * sem_ch6.adb (Check_Conformance): Replace DECLARE block and
        nested IF with a call to Get_TSS_Name and a membership test.
        (Has_Reliable_Extra_Formals): Refactor repeated calls to
        Get_TSS_Name.
        * sem_disp.adb (Check_Dispatching_Operation): Replace repeated
        calls to Get_TSS_Name with a membership test.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch5.adb (Expand_N_Case_Statement): Do not remove the statement
        if it is the node to be wrapped by a transient scope.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_prag.adb (Process_Compile_Time_Warning_Or_Error): Do not defer
        anything to the back-end when the main unit is generic.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_res.adb (Try_User_Defined_Literal): Restrict previous change
        to non-leaf nodes.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_res.adb (Try_User_Defined_Literal): For arithmetic operators,
        also accept operands whose type is covered by the resolution type.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_aggr.adb (Initialize_Array_Component): Fix condition detecting
        the nested case that requires an adjustment.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch4.adb (Expand_N_In): Deal specifically with a null operand.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch6.adb (Expand_Simple_Function_Return): Deal with a rewriting
        of the simple return during the adjustment of its expression.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch4.adb (Expand_N_Case_Expression): Distribute simple return
        statements enclosing the conditional expression into the dependent
        expressions in almost all cases.
        (Expand_N_If_Expression): Likewise.
        (Process_Transient_In_Expression): Adjust to the above distribution.
        * exp_ch6.adb (Expand_Ctrl_Function_Call): Deal with calls in the
        dependent expressions of a conditional expression.
        * sem_ch6.adb (Analyze_Function_Return): Deal with the rewriting of
        a simple return statement during the resolution of its expression.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * sem_res.adb (Resolve_Entity_Name): Refine rules for Exceptional_Cases.

2023-05-29  Marc Poulhiès  <poulhies@adacore.com>

        * exp_aggr.adb (Convert_To_Assignments): Do not mark node for
        delayed expansion if parent type has the Aggregate aspect.
        * sem_util.adb (Is_Container_Aggregate): Move...
        * sem_util.ads (Is_Container_Aggregate): ... here and make it
        public.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * sem_res.adb (Resolve_Entity_Name): Relax rules for Exceptional_Cases.

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch4.ads (Unresolved_Operator): New procedure.
        * sem_ch4.adb (Has_Possible_Literal_Aspects): Rename into...
        (Has_Possible_User_Defined_Literal): ...this.  Tidy up.
        (Operator_Check): Accept again unresolved operators if they have a
        possible user-defined literal as operand.  Factor out the handling
        of the general error message into...
        (Unresolved_Operator): ...this new procedure.
        * sem_res.adb (Resolve): Be prepared for unresolved operators on
        entry in Ada 2022 or later.  If they are still unresolved on exit,
        call Unresolved_Operator to give the error message.
        (Try_User_Defined_Literal): Tidy up.

2023-05-29  Steve Baird  <baird@adacore.com>

        * exp_ch3.adb
        (Expand_N_Object_Declaration.Default_Initialize_Object): Add test for
        specified Default_Component_Value aspect when deciding whether
        either Initialize_Scalars or Normalize_Scalars impacts default
        initialization of an array object.

2023-05-29  Javier Miranda  <miranda@adacore.com>

        * sem_aggr.adb
        (Resolve_Record_Aggregate): For aggregates of derived tagged
        record types with discriminants, when collecting components
        from ancestors, pass to subprogram Gather_Components the
        parent type. Required to report errors on wrong aggregate
        components.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Check_Result_And_Post_State): Replace low-level
        navigation with a high-level Unique_Entity.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Check_Result_And_Post_State): Properly handle entry
        bodies.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * contracts.adb (Fix_Parent): Fir part both for lists and nodes.

2023-05-29  Arnaud Charlet  <charlet@adacore.com>

        * sem_ch7.adb: Refine handling of inlining for CCG

2023-05-29  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch12.adb (Copy_Generic_Node): Test the original node kind
        for the sake of consistency.  For identifiers and other entity
        names and operators, accept an expanded name as associated node.
        Replace "or" with "or else" in condtion and fix its formatting.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Check_Result_And_Post_State): Tune message.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * contracts.adb (Remove_Formals): Remove.
        (Preanalyze_Condition): Replace Pop_Scope with End_Scope.
        * sem_ch13.adb (Build_Discrete_Static_Predicate): Replace
        Pop_Scope with End_Scope; enclose Install_Formals within
        Push_Scope/End_Scope.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * sem_prag.adb (Analyze_Pre_Post_Condition): Tune error message.

2023-05-29  Javier Miranda  <miranda@adacore.com>

        * scans.ads (Inside_Interpolated_String_Expression): New variable.
        * par-ch2.adb (P_Interpolated_String_Literal): Set/clear new
        variable when parsing interpolated string expressions.
        * scng.adb (Set_String): Skip processing operator symbols when we
        arescanning an interpolated string literal.

2023-05-29  Johannes Kliemann  <kliemann@adacore.com>

        * Makefile.rtl (QNX): Use s-parame__qnx.adb for s-parame.adb.
        * libgnat/s-parame__qnx.adb: Add QNX specific version of
        System.Parameters.

2023-05-29  Yannick Moy  <moy@adacore.com>

        * libgnat/a-ngelfu.ads: Restore SPARK_Mode from context.

2023-05-29  Marc Poulhiès  <poulhies@adacore.com>

        * contracts.adb (Restore_Original_Selected_Component): Adjust assertion.

2023-05-29  Piotr Trojanek  <trojanek@adacore.com>

        * contracts.adb
        (Add_Pre_Post_Condition): Adapt to handle pre/post of an
        access-to-subprogram type.
        (Analyze_Type_Contract): Analyze pre/post of an
        access-to-subprogram.
        * contracts.ads
        (Analyze_Type_Contract): Adapt comment.
        * sem_ch3.adb
        (Build_Access_Subprogram_Wrapper): Copy pre/post aspects to
        wrapper spec and keep it on the type.
        * sem_prag.adb
        (Analyze_Pre_Post_Condition): Expect pre/post aspects on
        access-to-subprogram and complain if they appear without -gnat2022
        switch.
        (Analyze_Pre_Post_Condition_In_Decl_Part): Adapt to handle
        pre/post on an access-to-subprogram type entity.
        * sem_attr.adb (Analyze_Attribute_Old_Result): Likewise.
        (Result): Likewise.

2023-05-26  Bob Duff  <duff@adacore.com>

        * sem_ch3.adb
        (Build_Derived_Record_Type): Temporarily set the state of the
        Derived_Type to "self-hidden" while processing constraints
        and discriminants of a record extension.

2023-05-26  Bob Duff  <duff@adacore.com>

        * einfo.ads: Add comma.
        * contracts.adb: Fix typos.
        * exp_attr.adb: Likewise.
        * exp_ch5.adb: Likewise.
        * exp_ch6.adb: Likewise.
        * lib-xref.adb: Likewise.

2023-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * debug.adb (d.N): Document new usage.
        * exp_ch4.adb (Expand_N_Type_Conversion): Copy the Float_Truncate
        flag when rewriting a floating-point to fixed-point conversion as
        a floating-point to integer conversion.
        * exp_fixd.adb: Add with and use clauses for Debug.
        (Expand_Convert_Fixed_To_Fixed): Generate a truncation in all cases
        except if the result is explicitly rounded.
        (Expand_Convert_Integer_To_Fixed): Likewise.
        (Expand_Convert_Float_To_Fixed): Generate a truncation for all kind
        of fixed-point types, except if the result is explicitly rounded, or
        -gnatd.N is specified and the type is an ordinary fixed-point type.
        * sinfo.ads (Float_Truncate): Document usage for floating-point to
        fixed-point conversions.

2023-05-26  Javier Miranda  <miranda@adacore.com>

        * exp_ch4.adb
        (Expand_N_Allocator): If an allocator with constraints is called
        in the return statement of a function returning a general access
        type, then propagate to the itype the master of the general
        access type (since it is the master associated with the
        returned object).

2023-05-26  Yannick Moy  <moy@adacore.com>

        * sem_aggr.adb (Resolve_Record_Aggregate): Add dummy initialization and
        assertion that clarifies when we reassigned to a useful value.

2023-05-26  Yannick Moy  <moy@adacore.com>

        * doc/gnat_rm/gnat_language_extensions.rst: Be more explicit on
        pattern matching limitation.
        * gnat_rm.texi: Regenerate.
        * gnat_ugn.texi: Regenerate.

2023-05-26  Yannick Moy  <moy@adacore.com>

        * libgnat/a-calend.ads: Mark with SPARK_Mode=>Off the functions which may
        raise Time_Error.
        * libgnat/a-ngelfu.ads: Mark with SPARK_Mode=>Off the functions which may
        lead to an overflow (which is not the case of Tan with one parameter for
        example, or Arctanh or Arcoth, despite their mathematical range covering
        the reals).
        * libgnat/a-textio.ads: Remove Always_Return annotation from functions, as
        this is now compulsory for functions to always return in SPARK.
        * libgnat/i-cstrin.ads: Add Might_Not_Return annotation to Update procedure
        which may not return.

2023-05-26  Bob Duff  <duff@adacore.com>

        * exp_put_image.adb (Build_Image_Call): Treat 'Img the same as
        'Image.
        * exp_imgv.adb (Expand_Image_Attribute): If Discard_Names, expand
        to 'Image instead of 'Img.
        * snames.ads-tmpl, par-ch4.adb, sem_attr.adb, sem_attr.ads:
        Cleanups: Rename Attribute_Class_Array to be Attribute_Set. Remove
        unnecessary qualifications. DRY: Don't repeat "True".

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * sem_prag.adb (Record_Possible_Body_Reference): Remove call to Present.
        * sem_util.adb (Find_Untagged_Type_Of): Likewise.

2023-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_aggr.adb (Initialize_Array_Component): Remove obsolete code.
        (Expand_Array_Aggregate): In the case where a temporary is created
        and the parent is an assignment statement with No_Ctrl_Actions set,
        set Is_Ignored_Transient on the temporary.

2023-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch12.adb (Instantiate_Package_Body): Set the ghost mode to
        that of the instance only after loading the generic's parent.
        (Instantiate_Subprogram_Body): Likewise.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * exp_ch4.adb (Expand_Set_Membership): Simplify by using Evolve_Or_Else.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * exp_ch4.adb (Is_OK_Object_Reference): Replace loop with a call to
        Unqual_Conv; consequently, change object from variable to constant;
        replace an IF statement with an AND THEN expression.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * exp_ch9.adb
        (Build_Entry_Count_Expression): Remove loop over component declaration;
        consequently remove a parameter that is no longer used; adapt callers.
        (Make_Task_Create_Call): Refine type of a local variable.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * sem_cat.adb (Check_Non_Static_Default_Expr): Detect components inside
        loop, not in the loop condition itself.

2023-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * libgnat/a-cbdlli.ads (List): Move Nodes component to the end.

2023-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * libgnat/a-crdlli.ads (List): Move Nodes component to the end.

2023-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_attr.adb (Is_Thin_Pointer_To_Unc_Array): New predicate.
        (Resolve_Attribute): Apply the static matching legality rule to an
        Unrestricted_Access attribute applied to an aliased prefix if the
        type is a thin pointer.  Call Is_Thin_Pointer_To_Unc_Array for the
        aliasing legality rule as well.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Is_Null_Record_Definition): Use First_Non_Pragma and
        Next_Non_Pragma to ignore pragmas within component list.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * sem_prag.adb (Get_Argument): Improve detection of generic units.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * sem_ch4.adb (Check_Action_OK): Replace low-level test with a
        high-level routine.
        * sem_ch13.adb (Is_Predicate_Static): Likewise.

2023-05-26  Javier Miranda  <miranda@adacore.com>

        * exp_ch9.adb
        (Expand_N_Conditional_Entry_Call): Factorize code to avoid
        duplicating subtrees; required to avoid problems when the copied
        code has implicit labels.
        * sem_util.ads (New_Copy_Separate_List): Removed.
        (New_Copy_Separate_Tree): Removed.
        * sem_util.adb (New_Copy_Separate_List): Removed.
        (New_Copy_Separate_Tree): Removed.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * sem_ch13.adb (Check_Component_List): Local variable Compl is now
        a constant; a nested block is no longer needed.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * sem_aggr.adb
        (Resolve_Record_Aggregate): Remove useless assignment.
        * sem_aux.adb
        (Has_Variant_Part): Remove useless guard; this routine is only called
        on type entities (and now will crash in other cases).
        * sem_ch3.adb
        (Create_Constrained_Components): Only assign Assoc_List when necessary;
        tune whitespace.
        (Is_Variant_Record): Refactor repeated calls to Parent.
        * sem_util.adb
        (Gather_Components): Assert that discriminant association has just one
        choice in component_association; refactor repeated calls to Next.
        * sem_util.ads
        (Gather_Components): Tune whitespace in comment.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * sem_ch3.adb (Check_CPP_Type_Has_No_Defaults): Iterate with
        First_Non_Pragma and Next_Non_Pragma.
        * exp_dist.adb (Append_Record_Traversal): Likewise.

2023-05-26  Javier Miranda  <miranda@adacore.com>

        * exp_ch9.adb (Build_Class_Wide_Master): Remember internal blocks
        that have a task master entity declaration.
        (Build_Master_Entity): Code cleanup.
        * sem_util.ads (Is_Internal_Block): New subprogram.
        * sem_util.adb (Is_Internal_Block): New subprogram.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Gather_Components): Remove guard for empty list of
        components.

2023-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * back_end.adb (Call_Back_End): Add gigi_standard_address to the
        signature of the gigi procedure and alphabetize other parameters.
        Pass Standard_Address as actual parameter for it.
        * cstand.adb (Create_Standard): Do not set Is_Descendant_Of_Address
        on Standard_Address.
        * gcc-interface/gigi.h (gigi): Add a standard_address parameter and
        alphabetize others.
        * gcc-interface/trans.cc (gigi): Likewise.  Record a builtin address
        type and save it as the type for Standard.Address.

2023-05-26  Ghjuvan Lacambre  <lacambre@adacore.com>

        * exp_disp.adb (Expand_Dispatching_Call): Handle new Controlling_Tag.
        * sem_scil.adb (Check_SCIL_Node): Treat N_Object_Renaming_Declaration as
        N_Object_Declaration.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * exp_aggr.adb
        (Build_Constrained_Type): Remove local constants that were shadowing
        equivalent global constants; replace a wrapper that calls
        Make_Integer_Literal with a numeric literal; remove explicit
        Aliased_Present parameter which is equivalent to the default value.
        (Check_Bounds): Remove unused initial value.
        (Expand_Array_Aggregate): Use aggregate type from the context.

2023-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * einfo.ads (Delay_Cleanups): Document new usage.
        * exp_ch7.ads (Build_Finalizer): New declaration.
        * exp_ch7.adb (Build_Finalizer.Process_Declarations): Do not treat
        library-level package instantiations specially.
        (Build_Finalizer): Return early for package bodies and specs that
        are not compilation units instead of using a more convoluted test.
        (Expand_N_Package_Body): Do not build a finalizer if Delay_Cleanups
        is set on the defining entity.
        (Expand_N_Package_Declaration): Likewise.
        * inline.ads (Pending_Body_Info): Reorder and add Fin_Scop.
        (Add_Pending_Instantiation): Add Fin_Scop parameter.
        * inline.adb (Add_Pending_Instantiation): Likewise and copy it into
        the Pending_Body_Info appended to Pending_Instantiations.
        (Add_Scope_To_Clean): Change parameter name to Scop and remove now
        irrelevant processing.
        (Cleanup_Scopes): Deal with scopes that are package specs or bodies.
        (Instantiate_Body): For package instantiations, deal specially with
        scopes that are package bodies and with scopes that are dynamic.
        Pass the resulting scope to Add_Scope_To_Clean directly.
        * sem_ch12.adb (Analyze_Package_Instantiation): In the case where a
        body is needed, compute the enclosing finalization scope and pass it
        in the call to Add_Pending_Instantiation.
        (Inline_Instance_Body): Adjust aggregate passed in the calls to
        Instantiate_Package_Body.
        (Load_Parent_Of_Generic): Likewise.

2023-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_util.adb (Compile_Time_Constraint_Error): Test the Ekind.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * exp_aggr.adb (Build_Constrained_Type): Use List_Length to count
        expressions in consecutive subaggregates.

2023-05-26  Doug Rupp  <rupp@adacore.com>

        * libgnarl/s-osinte__qnx.ads (sigset_t): Modify
        declaration to use system.os_constants computed
        value. Align it.

2023-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_sel.adb: Add clauses for Sem_Util, remove them for Opt, Sinfo
        and Sinfo.Nodes.
        (Build_K): Always use 'Tag of the object.
        (Build_S_Assignment): Likewise.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * accessibility.adb
        (Is_Formal_Of_Current_Function): This routine expects an entity
        reference and not the entity itself, so its parameter is a Node_Id
        and not an Entity_Id.

2023-05-26  Piotr Trojanek  <trojanek@adacore.com>

        * exp_aggr.adb
        (Build_Array_Aggr_Code): Change variable to constant.
        (Check_Same_Aggr_Bounds): Fix style; remove unused initial value.

2023-05-26  Ronan Desplanques  <desplanques@adacore.com>

        * sem_ch6.adb (Analyze_Subprogram_Body_Helper): Create extra formals
        in more situations.

2023-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * checks.adb (Selected_Range_Checks): Add guards to protect calls
        to Expr_Value on bounds.

2023-05-26  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_eval.ads (Is_Null_Range): Remove requirements of compile-time
        known bounds and add WARNING line.
        (Not_Null_Range): Remove requirements of compile-time known bounds.
        * sem_eval.adb (Is_Null_Range): Fall back to Compile_Time_Compare.
        (Not_Null_Range): Likewise.
        * fe.h (Is_Null_Range): New predicate.

2023-05-25  Javier Miranda  <miranda@adacore.com>

        * sem_aggr.adb
        (Warn_On_Null_Component_Association): New subprogram.
        (Empty_Range): Adding missing support for iterated component
        association node.
        (Resolve_Array_Aggregate): Report warning on iterated component
        association that may initialize some component of an array of
        null-excluding access type components with a null value.
        * exp_ch4.adb
        (Expand_N_Expression_With_Actions): Add missing type check since
        the subtype of the EWA node and the subtype of the expression
        may differ.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Determining_Expressions): Fix style; fix layout and
        ordering of pragma names; expect pragma Exceptional_Cases.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * einfo-utils.adb (Write_Entity_Info): Use procedural Next_Index.
        * sem_aggr.adb (Collect_Aggr_Bounds): Reuse local constant.
        (Resolve_Null_Array_Aggregate): Use procedural Next_Index.

2023-05-25  Javier Miranda  <miranda@adacore.com>

        * exp_aggr.adb (Build_Record_Aggr_Code): Protect access to
        aggregate components when the aggregate is empty.

2023-05-25  Johannes Kliemann  <kliemann@adacore.com>

        * libgnat/system-vxworks7-ppc-kernel.ads: Enable
        Support_Atomic_Primitives.
        * libgnat/system-vxworks7-ppc-rtp-smp.ads: Likewise.

2023-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch3.adb (Find_Type_Of_Object): Copy the object definition when
        building the subtype declaration in the case of a spec expression.

2023-05-25  Tom Tromey  <tromey@adacore.com>

        * Make-generated.in (ada/stamp-snames): Check result of
        gnatmake.

2023-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * cstand.adb (Create_Standard): Set the Is_Descendant_Of_Address
        flag on Standard_Address.
        * freeze.adb (Freeze_Entity): Copy the modulus of System.Address
        onto Standard_Address.

2023-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * libgnat/system-aix.ads (Address): Likewise.
        * libgnat/system-darwin-arm.ads (Address): Likewise.
        * libgnat/system-darwin-ppc.ads (Address): Likewise.
        * libgnat/system-darwin-x86.ads (Address): Likewise.
        * libgnat/system-djgpp.ads (Address): Likewise.
        * libgnat/system-dragonfly-x86_64.ads (Address): Likewise.
        * libgnat/system-freebsd.ads (Address): Likewise.
        * libgnat/system-hpux-ia64.ads (Address): Likewise.
        * libgnat/system-hpux.ads (Address): Likewise.
        * libgnat/system-linux-alpha.ads (Address): Likewise.
        * libgnat/system-linux-arm.ads (Address): Likewise.
        * libgnat/system-linux-hppa.ads (Address): Likewise.
        * libgnat/system-linux-ia64.ads (Address): Likewise.
        * libgnat/system-linux-m68k.ads (Address): Likewise.
        * libgnat/system-linux-mips.ads (Address): Likewise.
        * libgnat/system-linux-ppc.ads (Address): Likewise.
        * libgnat/system-linux-riscv.ads (Address): Likewise.
        * libgnat/system-linux-s390.ads (Address): Likewise.
        * libgnat/system-linux-sh4.ads (Address): Likewise.
        * libgnat/system-linux-sparc.ads (Address): Likewise.
        * libgnat/system-linux-x86.ads (Address): Likewise.
        * libgnat/system-lynxos178-ppc.ads (Address): Likewise.
        * libgnat/system-lynxos178-x86.ads (Address): Likewise.
        * libgnat/system-mingw.ads (Address): Likewise.
        * libgnat/system-qnx-arm.ads (Address): Likewise.
        * libgnat/system-rtems.ads (Address): Likewise.
        * libgnat/system-solaris-sparc.ads (Address): Likewise.
        * libgnat/system-solaris-x86.ads (Address): Likewise.
        * libgnat/system-vxworks-ppc-kernel.ads (Address): Likewise.
        * libgnat/system-vxworks-ppc-rtp-smp.ads (Address): Likewise.
        * libgnat/system-vxworks-ppc-rtp.ads (Address): Likewise.
        * libgnat/system-vxworks7-aarch64-rtp-smp.ads (Address): Likewise.
        * libgnat/system-vxworks7-aarch64.ads (Address): Likewise.
        * libgnat/system-vxworks7-arm-rtp-smp.ads (Address): Likewise.
        * libgnat/system-vxworks7-arm.ads (Address): Likewise.
        * libgnat/system-vxworks7-ppc-kernel.ads (Address): Likewise.
        * libgnat/system-vxworks7-ppc-rtp-smp.ads (Address): Likewise.
        * libgnat/system-vxworks7-ppc64-kernel.ads (Address): Likewise.
        * libgnat/system-vxworks7-ppc64-rtp-smp.ads (Address): Likewise.
        * libgnat/system-vxworks7-x86-kernel.ads (Address): Likewise.
        * libgnat/system-vxworks7-x86-rtp-smp.ads (Address): Likewise.
        * libgnat/system-vxworks7-x86_64-kernel.ads (Address): Likewise.
        * libgnat/system-vxworks7-x86_64-rtp-smp.ads (Address): Likewise.

2023-05-25  Marc Poulhiès  <poulhies@adacore.com>

        * sem_ch13.adb (Check_Aspect_At_Freeze_Point): fix format string,
        use existing local Ident.

2023-05-25  Bob Duff  <duff@adacore.com>

        * atree.adb (Check_Vanishing_Fields): Fix bug in the "blah type
        only" cases. Remove the special cases for E_Void. Misc cleanup.
        (Mutate_Nkind): Disallow mutating to the same kind.
        (Mutate_Ekind): Disallow mutating to E_Void.
        (From E_Void is still OK -- entities start out as E_Void by
        default.) Fix bug in statistics gathering -- was setting the wrong
        count. Enable Check_Vanishing_Fields for entities.
        * sem_ch8.adb (Is_Self_Hidden): New function.
        (Find_Direct_Name): Call Is_Self_Hidden to use the new
        Is_Not_Self_Hidden flag to determine whether a declaration is
        hidden from all visibility by itself. This replaces the old method
        of checking E_Void.
        (Find_Expanded_Name): Likewise.
        (Find_Selected_Component): Likewise.
        * sem_util.adb (Enter_Name): Remove setting of Ekind to E_Void.
        * sem_ch3.adb: Set the Is_Not_Self_Hidden flag in appropriate
        places. Comment fixes.
        (Inherit_Component): Remove setting of Ekind to E_Void.
        * sem_ch9.adb
        (Analyze_Protected_Type_Declaration): Update comment. Skip Itypes,
        which should not be turned into components.
        * atree.ads (Mutate_Nkind): Document error case.
        (Mutate_Ekind): Remove comments apologizing for E_Void mutations.
        Document error cases.

2023-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * libgnat/a-ststio.adb (Set_Mode): Test System.Memory_Size.
        * libgnat/g-debuti.ads (Address_64): Likewise.
        * libgnat/i-c.ads: Add with clause for System.
        (ptrdiff_t): Define based on the size of memory space.
        (size_t): Likewise.
        * libgnat/s-crtl.ads (size_t): Likewise.
        (ssize_t): Likewise.
        * libgnat/s-memory.ads (size_t): Likewise.
        * libgnat/s-parame.ads (Size_Type): Likewise.
        * libgnat/s-parame__hpux.ads (Size_Type): Likewise.
        * libgnat/s-parame__posix2008.ads (Size_Type): Likewise.
        * libgnat/s-parame__vxworks.ads (Size_Type): Likewise.
        * libgnat/s-putima.adb (Signed_Address): Likewise.
        (Unsigned_Address): Likewise.
        * libgnat/s-stoele.ads (Storage_Offset): Likewise.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Visit_Node): Decrement EWA_Level with the same condition
        as when it was incremented.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.ads (New_Copy_Tree): Remove Scopes_In_EWA_OK from spec;
        adapt comment.
        * sem_util.adb (New_Copy_Tree): Remove Scopes_In_EWA_OK from body;
        adapt code.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Update_New_Entities): Remove redundant check for entity
        map being present.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * atree.adb (Copy_List): Call Copy_Separate_Tree for both entities and
        other nodes.

2023-05-25  Steve Baird  <baird@adacore.com>

        * exp_attr.adb
        (Cached_Streaming_Ops): A new package, providing maps to save
        previously-generated Read/Write/Input/Output procedures.
        (Expand_N_Attribute_Reference): When a new subprogram is generated
        for a Read/Write/Input/Output attribute reference, record that
        type/subp pair in the appropriate Cached_Streaming_Ops map.
        (Find_Stream_Subprogram): Check the appropriate
        Cached_Streaming_Ops map to see if an appropriate subprogram has
        already been generated. If so, then return it. The appropriateness
        test includes a call to a new nested subprogram,
        In_Available_Context.
        * exp_strm.ads, exp_strm.adb: Do not pass in a Loc parameter (or a
        source-location-bearing Nod parameter) to the 16 procedures
        provided for building streaming-related subprograms. Use the
        source location of the type instead.
        * exp_dist.adb, exp_ch3.adb: Adapt to Exp_Strm spec changes. For
        these calls the source location of the type was already being
        used.

2023-05-25  Marc Poulhiès  <poulhies@adacore.com>

        * sem_ch6.adb (Analyze_Function_Return): Add missing
        Is_Access_Type check before accessing the Designated_Type field.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * sem_ch6.adb (Analyze_Return_Type): Remove unused initial value.

2023-05-25  Marc Poulhiès  <poulhies@adacore.com>

        * sem_ch13.adb (Analyze_One_Aspect): Call Record_Rep_Item.
        (Check_Aspect_At_Freeze_Point): Check the aspect is specified on
        non-array type only...
        (Analyze_One_Aspect): ... instead of doing it too early here.
        * sem_aggr.adb (Resolve_Container_Aggregate): Do nothing in case
        the parameters failed to resolve.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Check_Internal_Protected_Use): Add standard protection
        against search going too far.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * contracts.adb
        (Add_Pre_Post_Condition): Mention new aspects in the comment.
        * contracts.ads
        (Add_Contract_Item): Likewise.
        (Analyze_Subprogram_Body_Stub_Contract): Likewise.
        * sem_prag.adb
        (Contract_Freeze_Error): Likewise.
        (Ensure_Aggregate_Form): Likewise.
        * sem_prag.ads
        (Find_Related_Declaration_Or_Body): Likewise.
        * sinfo.ads
        (Is_Generic_Contract_Pragma): Likewise.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * aspects.ads
        (Implementation_Defined_Aspect): Recently added aspects are
        implementation-defined, just like Contract_Cases.
        * sem_prag.ads
        (Aspect_Specifying_Pragma): Recently added aspects have corresponding
        pragmas, just like Contract_Cases.
        (Pragma_Significant_To_Subprograms): Recently added aspects are
        significant to subprograms, just like Contract_Cases.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * sem_res.adb (Resolve_Entity_Name): Tune handling of formal parameters
        in contract Exceptional_Cases.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * par-ch7.adb (P_Package): Remove redundant guard from call to
        Move_Aspects.
        * par-ch9.adb (P_Task): Likewise.
        * sem_ch6.adb (Analyze_Expression_Function, Is_Inline_Pragma): Likewise.

2023-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch6.adb (Add_Simple_Call_By_Copy_Code): Use Get_Actual_Subtype
        to retrieve the actual subtype for all actuals and do it in only one
        place for all unconstrained composite formal types.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * sem_prag.adb (Analyze_Pragma): Fix references to Exceptional_Cases in
        code copied from handling of Subprogram_Variant.

2023-05-25  Ronan Desplanques  <desplanques@adacore.com>

        * sem_ch3.adb (Replace_Type): Add more documentation.

2023-05-25  Ronan Desplanques  <desplanques@adacore.com>

        * sem_ch3.adb (Replace_Type): Use existing constant wherever
        possible.

2023-05-25  Ronan Desplanques  <desplanques@adacore.com>

        * sem_ch3.adb (Replace_Type): Reduce span of variable.

2023-05-25  Bob Duff  <duff@adacore.com>

        * sem_ch9.adb (Analyze_Protected_Type_Declaration): Set the flag
        for protected types.
        (Analyze_Single_Protected_Declaration): Likewise, for singleton
        protected objects.
        (Analyze_Task_Type_Declaration): Set the flag for task types.
        (Analyze_Single_Task_Declaration): Likewise, for singleton task
        objects.
        * sem_ch10.adb (Decorate_Type): Set the flag for types treated as
        incomplete.
        (Build_Shadow_Entity): Set the flag for shadow entities.
        (Decorate_State): Set the flag for an abstract state.
        (Build_Limited_Views): Set the flag for limited view of package.
        * sem_attr.adb (Check_Not_Incomplete_Type): Disable the check when
        this is a current instance.

2023-05-25  Ronan Desplanques  <desplanques@adacore.com>

        * freeze.adb (Build_DTW_Body): Add appropriate type conversions for
        controlling access parameters.
        * sem_util.adb (Build_Overriding_Spec): Fix designated types in
        controlling access parameters.

2023-05-25  Bob Duff  <duff@adacore.com>

        * gen_il-gen-gen_entities.adb (E_Label): Add
        Entry_Cancel_Parameter. This is necessary because
        Analyze_Implicit_Label_Declaration set the Ekind to E_Label.
        Without this change, this field would fail the vanishing-fields
        check in Atree (which is currently commented out).
        * einfo.ads (Entry_Cancel_Parameter): Document for E_Label.
        * sem_eval.adb (Why_Not_Static): Protect against previous errors
        (no need to explain why something is not static if it's already
        illegal for other reasons).
        * sem_util.ads (Enter_Name): Fix misleading comment.

2023-05-25  Eric Botcazou  <ebotcazou@adacore.com>

        * einfo.ads (Scope_Depth): Fix circular definition.
        (Scope_Depth_Value): Fix value for library units.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * sem_ch11.adb (Analyze_Raise_Expression): Tune warning condition.
        * libgnat/g-dirope.ads (Open): Remove a potentially inaccurate comment.
        * libgnat/g-dirope.adb (Open): Remove a potentially useless assignment;
        the Dir output parameter should be assigned a null value anyway by the
        preceding call to Free.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * sem_res.adb (Resolve_Entity_Name): Allow aliased parameters; tune
        error message.

2023-05-25  Marc Poulhiès  <poulhies@adacore.com>

        * sem_ch13.adb (Analyze_One_Aspect): Mark Aggregate aspect as
        needing delayed resolution and reject the aspect on non-array
        type.

2023-05-25  Bob Duff  <duff@adacore.com>

        * sinfo-utils.adb: Update comment to refer to
        New_Node_Debugging_Output.

2023-05-25  Marc Poulhiès  <poulhies@adacore.com>

        * rtsfind.adb (Load_RTU.Restore_SPARK_Context): New.
        (Load_RTU): Use Restore_SPARK_Context on all exit paths.
        * sem_ch6.adb (Analyze_Subprogram_Body_Helper): Initialize local
        variable to Empty.

2023-05-25  Piotr Trojanek  <trojanek@adacore.com>

        * sem_attr.adb
        (Analyze_Attribute_Old_Result): Allow uses of 'Old and 'Result within
        the new aspect.
        * sem_res.adb
        (Within_Exceptional_Cases_Consequence): New utility routine.
        (Resolve_Entity_Name): Restrict use of formal parameters within the
        new aspect.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * aspects.ads
        (Aspect_Id): Add aspect identifier.
        (Aspect_Argument): New aspect accepts an expression.
        (Is_Representation_Aspect): New aspect is not a representation
        aspect.
        (Aspect_Names): Associate name with the new aspect identifier.
        (Aspect_Delay): New aspect is never delayed.
        * contracts.adb
        (Add_Contract_Item): Store new aspect among contract items.
        (Analyze_Entry_Or_Subprogram_Contract): Likewise.
        (Analyze_Subprogram_Body_Stub_Contract): Likewise.
        (Process_Contract_Cases): Expand new aspect, if present.
        * contracts.ads
        (Analyze_Entry_Or_Subprogram_Body_Contract): Mention new aspect in
        spec.
        (Analyze_Entry_Or_Subprogram_Contract): Likewise.
        * einfo-utils.adb
        (Get_Pragma): Allow new aspect to be picked by the backend.
        * einfo-utils.ads
        (Get_Pragma): Mention new aspect in spec.
        * exp_prag.adb
        (Expand_Pragma_Exceptional_Cases): Dummy expansion routine.
        * exp_prag.ads
        (Expand_Pragma_Exceptional_Cases): Add spec for expansion routine.
        * inline.adb
        (Remove_Aspects_And_Pragmas): Remove aspect from bodies to inline.
        * par-prag.adb
        (Par.Prag): Accept pragma in the parser, so it will be checked
        later.
        * sem_ch12.adb
        (Implementation of Generic Contracts): Mention new aspect in
        comment.
        * sem_ch13.adb
        (Analyze_Aspect_Specifications): Transform new aspect info a
        corresponding pragma.
        * sem_prag.adb
        (Analyze_Exceptional_Cases_In_Decl_Part): Analyze aspect
        expression; heavily inspired by the existing code for analysis of
        Subprogram_Variant and exception handlers.
        (Analyze_Pragma): Analyze pragma corresponding to the new aspect.
        (Is_Non_Significant_Pragma_Reference): Add new pragma to the
        table.
        * sem_prag.ads
        (Assertion_Expression_Pragma): New pragma acts as an assertion
        expression, even though it is not currently expanded.
        (Analyze_Exceptional_Cases_In_Decl_Part): Add spec.
        * sem_util.adb
        (Is_Subprogram_Contract_Annotation): Mark new annotation is a
        subprogram contract, so the subprogram with it won't be inlined.
        * sem_util.ads
        (Is_Subprogram_Contract_Annotation): Mention new aspect in
        comment.
        * sinfo.ads
        (Contract_Test_Cases): Mention new aspect in comment.
        * snames.ads-tmpl: Add entries for the new name and pragma.

2023-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch13.adb (Build_Predicate_Functions): If the current scope
        is not that of the type, push this scope and pop it at the end.
        * sem_util.ads (Current_Scope_No_Loops_No_Blocks): Delete.
        * sem_util.adb (Current_Scope_No_Loops_No_Blocks): Likewise.
        (Set_Public_Status): Call again Current_Scope.

2023-05-23  Gary Dismukes  <dismukes@adacore.com>

        * exp_ch6.adb (Might_Have_Tasks): Remove unneeded Etype call from
        call to Is_Limited_Record, since that flag is now properly
        inherited by class-wide types.
        * sem_ch3.adb (Analyze_Private_Extension_Declaration): Remove call
        to Make_Class_Wide_Type, which is done too early, and will later
        be done in Build_Derived_Record_Type after flags such as
        Is_Limited_Record and Is_Controlled_Active have been set on the
        derived type.

2023-05-23  Patrick Bernardi  <bernardi@adacore.com>

        * libgnat/s-stchop.adb (Stack_Check): Remove redundant parentheses.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * freeze.adb (Freeze_Record_Type): Add tag for redundant pragma Pack.
        * sem_aggr.adb (Resolve_Record_Aggregate): Add tag for redundant OTHERS
        choice.
        * sem_ch8.adb (Use_One_Type): Add tag for redundant USE clauses.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * sem_ch11.adb
        (Check_Duplication): Fix inconsistent iteration.
        (Others_Present): Iterate over handlers using First_Non_Pragma and
        Next_Non_Pragma just like in Check_Duplication.

2023-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * einfo.ads (Delay_Subprogram_Descriptors): Delete.
        * gen_il-fields.ads (Opt_Field_Enum): Remove
        Delay_Subprogram_Descriptors.
        * gen_il-gen-gen_entities.adb (Gen_Entities): Likewise.
        * gen_il-gen-gen_nodes.adb (N_Entry_Body): Add Corresponding_Spec.
        * sinfo.ads (Corresponding_Spec): Document new use.
        (N_Entry_Body): Likewise.
        * exp_ch6.adb (Expand_Protected_Object_Reference): Be prepared for
        protected subprograms that have been expanded.
        * exp_ch7.adb (Expand_Cleanup_Actions): Remove unreachable code.
        * exp_ch9.adb (Build_Protected_Entry): Add a local variable for the
        new block and propagate Uses_Sec_Stack from the corresponding spec.
        (Expand_N_Protected_Body) <N_Subprogram_Body>: Unconditionally reset
        the scopes of top-level entities in the new body.
        * inline.adb (Cleanup_Scopes): Do not adjust the scope on the fly.
        * sem_ch9.adb (Analyze_Entry_Body): Set Corresponding_Spec.
        * sem_ch12.adb (Analyze_Package_Instantiation): Remove obsolete code
        setting Delay_Subprogram_Descriptors and tidy up.
        * sem_util.adb (Scope_Within): Deal with protected subprograms that
        have been expanded.
        (Scope_Within_Or_Same): Likewise.

2023-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * libgnarl/s-taskin.ads (Atomic_Address): Delete.
        (Attribute_Array): Add pragma Atomic_Components.
        (Ada_Task_Control_Block): Adjust default value of Attributes.
        * libgnarl/s-tasini.adb (Finalize_Attributes): Adjust type of local
        variable.
        * libgnarl/s-tataat.ads (Deallocator): Adjust type of parameter.
        (To_Attribute): Adjust source type.
        * libgnarl/a-tasatt.adb: Add clauses for System.Storage_Elements.
        (New_Attribute): Adjust return type.
        (Deallocate): Adjust type of parameter.
        (To_Real_Attribute): Adjust source type.
        (To_Address): Add target type.
        (To_Attribute): Adjust source type.
        (Fast_Path): Adjust tested type.
        (Finalize): Compare with Null_Address.
        (Reference): Likewise.
        (Reinitialize): Likewise.
        (Set_Value): Likewise.  Add conversion to Integer_Address.
        (Value): Likewise.

2023-05-23  Raphael Amiard  <amiard@adacore.com>

        * scng.adb (Scan): Replace occurrences of All_Extensions_Allowed
        by Core_Extensions_Allowed.

2023-05-23  Claire Dross  <dross@adacore.com>

        * libgnat/s-valueu.adb (Scan_Raw_Unsigned): Use new helpers.
        * libgnat/s-vauspe.ads (Raw_Unsigned_Starts_As_Based_Ghost,
        Raw_Unsigned_Is_Based_Ghost): New ghost helper functions.
        (Is_Raw_Unsigned_Format_Ghost, Scan_Split_No_Overflow_Ghost,
        Scan_Split_Value_Ghost, Raw_Unsigned_Last_Ghost): Use new
        helpers.

2023-05-23  Arnaud Charlet  <charlet@adacore.com>

        * par-ch5.adb, style.ads, styleg.adb, styleg.ads
        (Check_Xtra_Parens): Remove extra parameter Enable.
        (Check_Xtra_Parens_Precedence): New.
        (P_Case_Statement): Add -gnatyx style check.
        * sem_ch4.adb: Replace calls to Check_Xtra_Parens by
        Check_Xtra_Parens_Precedence.
        * stylesw.ads, stylesw.adb, usage.adb: Add support for
        -gnatyz.
        * doc/gnat_ugn/building_executable_programs_with_gnat.rst:
        Update -gnatyxzg doc.
        * sem_prag.adb, libgnat/s-regpat.adb,
        libgnarl/s-interr__hwint.adb, libgnarl/s-interr__vxworks.adb:
        Remove extra parens.
        * par-ch3.adb (P_Discrete_Range): Do not emit a style check if
        the expression is not a simple expression.
        * gnat_ugn.texi: Regenerate.

2023-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * libgnat/s-dwalin.adb (Enable_Cache): Use the subtract operator of
        System.Storage_Elements to compute the offset.
        (Symbolic_Address): Likewise.

2023-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_res.adb (Resolve_Intrinsic_Operator): Always perform the same
        resolution for the special mod operator of System.Storage_Elements.

2023-05-23  Raphael Amiard  <amiard@adacore.com>

        * doc/gnat_rm.rst, doc/gnat_rm/gnat_language_extensions.rst,
        doc/gnat_rm/implementation_defined_pragmas.rst:
        * gnat_rm.texi: Regenerate.

2023-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch4.adb (Expand_N_Op_Mod): Adjust the detection of the special
        operator of System.Storage_Elements.  Do not rewrite it into a rem.
        * sem_res.adb (Resolve_Intrinsic_Operator): Use the base type of the
        left operand for the special mod operator of System.Storage_Elements

2023-05-23  Vadim Godunko  <godunko@adacore.com>

        * libgnat/a-coinho__shared.adb (Constant_Reference): Remove call
        of Detach
        (Query_Element): Likewise.

2023-05-23  Ronan Desplanques  <desplanques@adacore.com>

        * sem_disp.adb: Fix reference to Ada issue in comment.

2023-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_disp.adb (Expand_Dispatching_Call): In the abstract interface
        class-wide case, use 'Tag of the object as the controlling tag.
        (Expand_Interface_Thunk): Perform address arithmetic using operators
        of System.Storage_Elements.

2023-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * libgnat/i-cpoint.adb: Add clauses for System.Storage_Elements.
        (Addr): Delete.
        (Offset): New subtype of Storage_Offset.
        (To_Offset): New instance of Unchecked_Conversion.
        (To_Pointer): Adjust.
        (To_Addr): Likewise.
        (To_Ptrdiff): Likewise.
        ("+"): Call To_Offset on the offset.
        ("-"): Likewise.
        * libgnat/s-bituti.adb: Add clauses for System.Storage_Elements.
        (Val_Bytes): Change type to Storage_Count.
        (Get_Val_2): Add qualification to second operand of mod operator.
        (Set_Val_2): Likewise.
        (Copy_Bitfield): Likewise.  Change type of Src_Adjust & Dest_Adjust.
        * libgnat/s-stratt.ads (Thin_Pointer): Change to subtype of Address.
        * libgnat/s-statxd.adb (I_AD): Adjust.
        (I_AS): Likewise.
        (W_AS): Likewise.

2023-05-23  Steve Baird  <baird@adacore.com>

        * sem_util.adb
        (Is_Variable): Correctly return False for a selected component
        name of the form Some_Object.Some_Discriminant, even if
        Some_Object is a variable. We don't want to allow such a name as
        an actual parameter in a call if the corresponding formal
        parameter's mode is not "in".

2023-05-23  Yannick Moy  <moy@adacore.com>

        * sem_util.adb (Check_Node): Add default init on local Id.

2023-05-23  Yannick Moy  <moy@adacore.com>

        * libgnat/i-c.adb (To_Ada): Add loop invariant.

2023-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch4.adb (Expand_N_Op_Mod): Deal with the special mod
        operator of System.Storage_Elements.
        * exp_intr.adb (Expand_To_Integer): New procedure.
        (Expand_Intrinsic_Call): Call Expand_To_Integer appropriately.
        (Expand_To_Address): Deal with an argument with modular type.
        * sem_ch3.adb (Derive_Subprogram): Also set convention Intrinsic
        on a derived intrinsic subprogram.
        * sem_res.adb (Resolve_Arithmetic_Op): Deal with intrinsic
        operators not coming from source exactly as those coming from
        source and also generate a reference in both cases.
        (Resolve_Op_Expon): Likewise.
        (Resolve_Intrinsic_Operator): Call Implementation_Base_Type to get
        a nonprivate base type.
        * snames.ads-tmpl (Name_To_Integer): New intrinsic name.
        * libgnat/s-stoele.ads: Replace pragma Convention with pragma
        Import throughout and remove pragma Inline_Always and
        Pure_Function.
        * libgnat/s-stoele.adb: Replace entire contents with pragma
        No_Body.
        * libgnat/s-atacco.adb: Adjust comment about pragma No_Body.

2023-05-23  Javier Miranda  <miranda@adacore.com>

        * sem_prag.adb (Analyze_Pre_Post_Condition_In_Decl_Part): Remove
        call to preanalyze class-wide conditions since here it is too
        early; they must be preanalyzed when full views of private types
        have been analyzed.
        * sem_ch7.adb (Analyze_Package_Specification): Preanalyze
        class-wide conditions of dispatching primitives defined in nested
        packages.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * errout.adb (Last_Sloc): Refactor a heavily repeated "S := S + 1"
        statement into a subprogram; replace assertions with defensive code;
        fix few more off-by-one errors.

2023-05-23  Ronan Desplanques  <desplanques@adacore.com>

        * einfo.ads: Mention full name of LSP.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * errout.adb (Last_Sloc): Rewrite skipping past numeric literals.

2023-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch13.adb (Build_Predicate_Function_Declaration): Adjust the
        commentary to the current implementation.
        * sem_util.ads (Current_Scope_No_Loops): Move around.
        (Current_Scope_No_Loops_No_Blocks): New declaration.
        (Add_Block_Identifier): Fix formatting.
        * sem_util.adb (Add_Block_Identifier): Likewise.
        (Current_Scope_No_Loops_No_Blocks): New function.
        (Set_Public_Status): Call Current_Scope_No_Loops_No_Blocks instead
        of Current_Scope to get the current scope.

2023-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Build_Record_Init_Proc.Build_Assignment): Do not
        manually generate a predicate check.  Call Unqualify before doing
        pattern matching on the expression.
        * sem_ch3.adb (Analyze_Object_Declaration): Also freeze the actual
        subtype when it is built in the definite case.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * libgnarl/s-interr.adb
        (Registered_Handler): Remove default expression.
        (Registered_Handlers): Switch to singly-linked list.
        (Bind_Interrupt_To_Entry): Sync whitespace with other unit variants.
        (Is_Registered): Use singly-linked list.
        (Register_Interrupt_Handler): Use singly-linked list and initialized
        allocator; sync assertion with other unit variants.
        * libgnarl/s-interr__sigaction.adb: Likewise.
        * libgnarl/s-interr__vxworks.adb: Likewise.
        * libgnarl/s-interr__hwint.adb: Likewise.
        (Is_Registered): Remove repeated declaration.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * pprint.adb (Expression_Image): Restore some of the old pretty-printing
        for CodePeer.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * errout.adb (First_And_Last_Nodes): Ignore accessibility parameters.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * exp_ch4.adb (Expand_N_Op_Ne): Simply don't add extra parens.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * pprint.adb (Expression_Image): Move Count_Parentheses and
        Fix_Parentheses routines from GNATprove and apply them before
        returning the slice of a source code buffer.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * errout.adb
        (Paren_Required): New subsidiary routine for better handling of
        parentheses in First_Node/Last_Node.
        (First_Sloc, Last_Sloc): Use Get_Source_File_Index to correctly
        handle generic instances and inlined subprograms; tune handling of
        parentheses; improve handling of literals.
        * pprint.adb (Expression_Image): Simplify using
        First_Sloc/Last_Sloc.
        * sem_ch6.adb (Analyze_Expression_Function): Remove parenthesis
        when relocating expression from expression function to simple
        return statement.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * exp_prag.adb (Expand_Pragma_Check): Suppress warning for checks of
        subprogram variants.

2023-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * frontend.adb (Frontend): Merge two conditional blocks and adjust.

2023-05-23  Piotr Trojanek  <trojanek@adacore.com>

        * libgnat/s-mmap.adb (Mapped_Region_Record): Fix typo in comment.

2023-05-23  Ronan Desplanques  <desplanques@adacore.com>

        * sem_ch7.adb: Remove duplicate comment.

2023-05-23  Javier Miranda  <miranda@adacore.com>

        * sem_ch10.adb
        (Analyze_Required_Limited_With_Units): New subprogram.
        (Depends_On_Limited_Views): New subprogram.
        (Has_Limited_With_Clauses): New subprogram.
        (Analyze_Compilation_Unit): Call the new subprogram that performs
        the full analysis of required limited-with units.

2023-05-22  Ronan Desplanques  <desplanques@adacore.com>

        * cstand.adb: Use more idiomatic procedure.

2023-05-22  Piotr Trojanek  <trojanek@adacore.com>

        * errout.adb (First_Loc): Avoid repeated calls.
        (Last_Loc): Likewise.

2023-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * inline.adb (Cleanup_Scopes): Do not propagate the Uses_Sec_Stack
        flag from original to rewritten protected subprograms here...
        * exp_ch9.adb (Expand_N_Protected_Body) <N_Subprogram_Body>:
        ...but here instead. Add local variables and remove a useless
        test.

2023-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch7.adb (Expand_N_Package_Body): Call Defining_Entity to get
        the entity of the body.

2023-05-22  Piotr Trojanek  <trojanek@adacore.com>

        * exp_attr.adb (Expand_Loop_Entry_Attribute): Use location of the
        attribute reference, not of the loop statement.

2023-05-22  Ronan Desplanques  <desplanques@adacore.com>

        * par-ch3.adb: Add missing word in comment.

2023-05-22  Justin Squirek  <squirek@adacore.com>

        * checks.adb (Install_Null_Excluding_Check): Avoid non-null
        optimizations when assertions are enabled.

2023-05-22  Marc Poulhiès  <poulhies@adacore.com>

        * exp_aggr.adb (Process_Transient_Component): Reset Analyzed flag
        for the copy of the initialization expression.
        * sem_attr.adb (Validate_Non_Static_Attribute_Function_Call): Skip
        error emission during Pre_Analyze.

2023-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch7.adb (Process_Package_Body): New procedure taken from...
        (Build_Finalizer.Process_Declarations): ...here.  Call the above
        procedure to deal with both package bodies and package body stubs.

2023-05-22  Ronan Desplanques  <desplanques@adacore.com>

        * atree.ads: Remove outdated part of comment.

2023-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch7.adb (Build_Finalizer): Reverse the test comparing the
        instantiation and declaration nodes of a package instance, and
        therefore bail out only when they are equal.  Adjust comments.
        (Expand_N_Package_Declaration): Do not clear the Finalizer field.
        * lib-writ.adb: Add with and use clauses for Sem_Util.
        (Write_Unit_Information): Look at unit nodes to find finalizers.
        * sem_ch12.adb (Analyze_Package_Instantiation): Beef up the comment
        about the rewriting of the instantiation node into a declaration.

2023-05-22  Bob Duff  <duff@adacore.com>

        * cstand.adb (Is_Past_Self_Hiding_Point): Rename to be
        Is_Not_Self_Hidden.
        * einfo.ads: Likewise.
        * exp_aggr.adb: Likewise.
        * gen_il-fields.ads: Likewise.
        * gen_il-gen-gen_entities.adb: Likewise.
        * sem.adb: Likewise.
        * sem_aggr.adb: Likewise.
        * sem_ch11.adb: Likewise.
        * sem_ch12.adb: Likewise.
        * sem_ch5.adb: Likewise.
        * sem_ch6.adb: Likewise.
        * sem_ch7.adb: Likewise.
        * sem_prag.adb: Likewise.

2023-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Make_Controlling_Function_Wrappers): Create the body
        as the expanded body of an expression function.

2023-05-22  Piotr Trojanek  <trojanek@adacore.com>

        * pprint.adb (Expression_Image): Handle several previously unsupported
        constructs.

2023-05-22  Piotr Trojanek  <trojanek@adacore.com>

        * sem_res.adb (Resolve_Entity_Name): Combine two IF statements that
        execute code only for references that come from source.

2023-05-22  Bob Duff  <duff@adacore.com>

        * einfo.ads (Is_Past_Self_Hiding_Point): Document.
        * gen_il-fields.ads (Is_Past_Self_Hiding_Point): Add to list of
        fields.
        * gen_il-gen-gen_entities.adb (Is_Past_Self_Hiding_Point): Declare
        in all entities.
        * exp_aggr.adb: Set Is_Past_Self_Hiding_Point as appropriate.
        * sem.adb: Likewise.
        * sem_aggr.adb: Likewise.
        * sem_ch11.adb: Likewise.
        * sem_ch12.adb: Likewise.
        * sem_ch5.adb: Likewise.
        * sem_ch7.adb: Likewise.
        * sem_prag.adb: Likewise.
        * sem_ch6.adb: Likewise.
        (Set_Formal_Mode): Minor cleanup: Move from spec.
        * sem_ch6.ads:
        (Set_Formal_Mode): Minor cleanup: Move to body.
        * cstand.adb: Call Set_Is_Past_Self_Hiding_Point on all entities
        as soon as they are created.
        * comperr.adb (Compiler_Abort): Minor cleanup -- use 'in' instead
        of 'or else'.
        * debug.adb: Minor comment cleanups.

2023-05-22  Steve Baird  <baird@adacore.com>

        * sem_ch4.adb (Analyze_Expression_With_Actions.Check_Action_Ok):
        Accept an executable pragma occuring in a declare expression as
        per AI22-0045. This means Assert and Inspection_Point pragmas as
        well as any implementation-defined pragmas that the implementation
        chooses to categorize as executable. Currently Assume and Debug
        are the only such pragmas.

2023-05-22  Piotr Trojanek  <trojanek@adacore.com>

        * sem_prag.adb
        (Check_Postcondition_Use_In_Inlined_Subprogram): Mention
        Subprogram_Variant in the comment.
        (Analyze_Subprogram_Variant_In_Decl_Part): Warn when contract is
        ignored because of pragma Inline_Always and frontend inlining.

2023-05-22  Piotr Trojanek  <trojanek@adacore.com>

        * sem_prag.adb (Check_Postcondition_Use_In_Inlined_Subprogram): Only
        emit warning when frontend inlining is enabled.

2023-05-22  Arnaud Charlet  <charlet@adacore.com>

        * par-ch3.adb, sem_ch4.adb (P_Discrete_Range, Analyze_Logical_Op,
        Analyze_Short_Circuit): Add calls to Check_Xtra_Parentheses.
        * par-ch5.adb (P_Condition): Move logic to Check_Xtra_Parentheses.
        * style.ads, styleg.adb, styleg.ads (Check_Xtra_Parens): Move logic
        related to expressions requiring parentheses here.

2023-05-22  Arnaud Charlet  <charlet@adacore.com>

        * ali-util.adb, par-endh.adb, par-prag.adb, par-ch2.adb,
        checks.adb, fmap.adb, libgnat/a-nbnbig.ads, libgnat/g-dynhta.adb,
        libgnat/s-carun8.adb, libgnat/s-strcom.adb, libgnat/a-dhfina.adb,
        libgnat/a-direct.adb, libgnat/a-rbtgbo.adb, libgnat/a-strsea.adb,
        libgnat/a-ststio.adb, libgnat/a-suenco.adb, libgnat/a-costso.adb,
        libgnat/a-strmap.adb, libgnat/g-alleve.adb,
        libgnat/g-debpoo.adb, libgnat/g-sercom__linux.adb,
        libgnat/s-genbig.adb, libgnat/s-mmap.adb, libgnat/s-regpat.adb,
        par-ch5.adb, sem_case.adb, sem_ch12.adb, sem_ch13.adb,
        sem_ch8.adb, sem_eval.adb, sem_prag.adb, sem_type.adb,
        exp_ch11.adb, exp_ch2.adb, exp_ch3.adb, exp_ch4.adb, exp_ch5.adb,
        exp_ch6.adb, exp_ch9.adb, exp_put_image.adb, freeze.adb, live.adb,
        sem_aggr.adb, sem_cat.adb, sem_ch10.adb, sem_ch3.adb, sem_ch6.adb,
        sem_ch9.adb, sem_disp.adb, sem_elab.adb, sem_res.adb,
        sem_util.adb, sinput.adb, uintp.adb, bcheck.adb, binde.adb,
        binderr.adb, einfo-utils.adb, clean.adb, sem_ch4.adb, gnatls.adb,
        gprep.adb, sem_ch11.adb: Remove extra parentheses.

2023-05-22  Arnaud Charlet  <charlet@adacore.com>

        * sem_aggr.adb (Get_Value): Use ?? instead of ?.

2023-05-22  Piotr Trojanek  <trojanek@adacore.com>

        * exp_aggr.adb (Aggregate_Size): Remove redundant calls to
        Present.
        * exp_ch5.adb (Expand_N_If_Statement): Likewise.
        * sem_prag.adb (Analyze_Pragma): Likewise.
        * sem_warn.adb (Find_Var): Likewise.

2023-05-22  Claire Dross  <dross@adacore.com>

        * sem_util.adb (Find_Actual): On calls through dereferences,
        return the corresponding formal in the designated subprogram
        profile.

2023-05-22  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.ads (Is_Actual_Tagged_Parameter): Remove spec.
        * sem_util.adb (Is_Actual_Tagged_Parameter): Remove body.

2023-05-22  Joffrey Huguet  <huguet@adacore.com>

        * libgnat/a-strunb.ads, libgnat/a-strunb__shared.ads
        (To_Unbounded_String): Add postcondition. Add aspect SPARK_Mode
        Off on the version that takes a Natural as parameter.
        (To_String): Complete postcondition.
        (Set_Unbounded_String): Add postcondition.
        (Element): Likewise.
        ("="): Likewise.

2023-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Freeze_Type): Do not associate the Finalize_Address
        routine for a class-wide type if restriction No_Dispatching_Calls
        is in effect.

2023-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * libgnat/s-genbig.ads (From_Bignum): New overloaded declarations.
        * libgnat/s-genbig.adb (LLLI): New subtype.
        (LLLI_Is_128): New boolean constant.
        (From_Bignum): Change the return type of the signed implementation
        to Long_Long_Long_Integer and add support for the case where its
        size is 128 bits.  Add a wrapper around it for Long_Long_Integer.
        Add an unsigned implementation returning Unsigned_128 and a wrapper
        around it for Unsigned_64.
        (To_Bignum): Test LLLI_Is_128 instead of its size.
        (To_String.Image): Add qualification to calls to From_Bignum.
        * libgnat/a-nbnbin.adb (To_Big_Integer): Likewise.
        (Signed_Conversions.From_Big_Integer): Likewise.
        (Unsigned_Conversions): Likewise.

2023-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * freeze.adb (Wrap_Imported_Subprogram): Use Copy_Subprogram_Spec
        to copy the spec from the subprogram to the generated subprogram
        body.
        (Freeze_Entity): Do not wrap imported subprograms inside generics.

2023-05-22  Steve Baird  <baird@adacore.com>

        * sem_ch4.adb (Analyze_Expression_With_Actions.Check_Action_Ok):
        If Comes_From_Source (A) is False, then look at Original_Node (A)
        instead of A. In particular, if an (illegal) expression function
        is transformed into a "vanilla" function, we don't want to allow
        it just because Comes_From_Source is now False.

2023-05-22  Steve Baird  <baird@adacore.com>

        * sem_prag.adb (Analyze_Pragma): In Check_No_Return, call
        Error_Msg_Ada_2022_Feature in the case of a function. Remove code
        outside of Check_No_Return that was querying Ada_Version.

2023-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch4.adb (Expand_N_Expression_With_Actions.Process_Action): Do
        not look into nested blocks.

2023-05-22  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch3.adb (Find_Type_Of_Object): In a spec expression, also set
        the Scope of the type, and call Constrain_Array for array subtypes.

2023-05-22  Piotr Trojanek  <trojanek@adacore.com>

        * pprint.adb (Expression_Image): Reduce scope of local variables; inline
        local uncommented constant From_Source; concatenate string with a single
        character, as it is likely to execute faster; add missing cases to
        traversal for the rightmost node and assertion to demonstrate that the
        ??? comment is no longer relevant.

2023-05-22  Piotr Trojanek  <trojanek@adacore.com>

        * pprint.adb (Expr_Name): Qualify CASE expression with N_Subexpr; add
        missing alternative for N_Raise_Storage_Error; remove dead alternatives;
        explicitly list unsupported alternatives.

2023-05-22  Piotr Trojanek  <trojanek@adacore.com>

        * pprint.adb (Expr_Name): Exclude DEL from printable range.

2023-05-22  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.ads (New_Copy_Tree): Update comment.
        * sem_util.adb (New_Copy_Tree): Update Controlling_Argument, very
        much like we update the First/Next_Named_Association.

2023-05-22  Bob Duff  <duff@adacore.com>

        * fe.h: Remove Ada_With_Extensions and add commentary.
        * opt.ads: Rearrange code and add commentary.

2023-05-22  Bob Duff  <duff@adacore.com>

        * sem_util.adb (Process_Type): Stop the recursion.
        * exp_aggr.adb (Build_Record_Aggr_Code): Add assertion.

2023-05-18  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

        * gcc-interface/decl.cc (gnat_to_gnu_entity): Use _P defines
        from tree.h.
        (constructor_address_p): Ditto.
        (elaborate_expression_1): Ditto.
        * gcc-interface/trans.cc (Identifier_to_gnu): Ditto.
        (is_nrv_p): Ditto.
        (Subprogram_Body_to_gnu): Ditto.
        (gnat_to_gnu): Ditto.
        (gnat_to_gnu_external): Ditto.
        (add_decl_expr): Ditto.
        (gnat_gimplify_expr): Ditto.
        * gcc-interface/utils.cc (create_var_decl): Ditto.
        * gcc-interface/utils2.cc (get_base_type): Ditto.
        (build_binary_op): Ditto.
        (build_unary_op): Ditto.
        (gnat_protect_expr): Ditto.
        (gnat_invariant_expr): Ditto.

2023-05-16  Steve Baird  <baird@adacore.com>

        * usage.adb: Generate output text describing the -gnatw_s switch
        (and the corresponding -gnatw_S switch).

2023-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_attr.adb (Expand_N_Attribute_Reference) <Attribute_Reduce>:
        Use the canonical accumulator type as the type of the accumulator
        in the prefixed case.

2023-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_aggr.adb (Expand_Array_Aggregate): Do not set Warnings_Off on
        the temporary created when in-place expansion is not possible.

2023-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * freeze.adb (Freeze_Expression): When the freezing is to be done
        outside the current scope, skip any scope that is an internal loop.

2023-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_imgv.adb (Rewrite_Object_Image): If the prefix is a component
        that depends on a discriminant, create an actual subtype for it.

2023-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch13.adb: Add with and use clauses for Expander.
        (Resolve_Aspect_Expressions) <Aspect_Predicate>: Emulate a
        bona-fide preanalysis setup before calling
        Resolve_Aspect_Expression.

2023-05-16  Yannick Moy  <moy@adacore.com>

        * libgnat/s-aridou.adb (Lemma_Div_Pow2): Add assertion.
        * libgnat/s-arit32.adb (Lemma_Abs_Div_Commutation): Simplify.
        * libgnat/s-expmod.adb (Lemma_Exp_Mod): Add assertions.
        (Lemma_Euclidean_Mod): Add body to lemma.
        (Lemma_Mult_Mod): Add assertion.
        * libgnat/s-valueu.adb (Scan_Raw_Unsigned): Modify assertion.
        * libgnat/s-vauspe.ads (Raw_Unsigned_Last_Ghost): Add
        postcondition.
        * libgnat/s-widthi.adb: Use more precise types.

2023-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_res.adb (Has_Applicable_User_Defined_Literal): Apply the
        same processing for derived untagged types as for tagged types.
        * sem_util.ads (Corresponding_Primitive_Op): Adjust description.
        * sem_util.adb (Corresponding_Primitive_Op): Handle untagged
        types.

2023-05-16  Javier Miranda  <miranda@adacore.com>

        * sem_attr.adb
        (Analyze_Attribute_Old_Result): When preanalyzing a class-wide
        condition, search in the scopes stack for the subprogram that has
        the condition. This is required because returning the current
        scope causes reporting spurious errors when the occurrence of the
        attribute is found, for example, in a quantified expression.

2023-05-16  Javier Miranda  <miranda@adacore.com>

        * exp_ch6.adb
        (Needs_BIP_Alloc_Form): Return False for functions with foreign
        convention since we never use build-in-place for such functions.

2023-05-16  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (Aggregate_Constraint_Checks): Don't exit early
        when preanalysing in GNATprove mode. Now the condition is
        consistent with other similar conditions in other code.

2023-05-16  Ghjuvan Lacambre  <lacambre@adacore.com>

        * usage.adb (Usage): Document -gnatyD.

2023-05-16  Marc Poulhiès  <poulhies@adacore.com>

        * libgnat/s-tsmona__linux.adb (link_map, r_debug_type): Add
        'aliased' on all components.

2023-05-16  Johannes Kliemann  <kliemann@adacore.com>

        * libgnat/system-linux-ppc.ads: Add Support_Atomic_Primitives.
        * libgnat/s-atopri__32.ads: Add 32 bit version of s-atopri.ads.
        * Makefile.rtl: Use s-atopro__32.ads for ppc-linux.

2023-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_util.adb (Get_Actual_Subtype): For an explicit dereference,
        return the Actual_Designated_Subtype if it is present.
        (Get_Actual_Subtype_If_Available): Likewise.

2023-05-16  Arnaud Charlet  <charlet@adacore.com>

        * errout.ads: Update comment.
        * errout.adb (Skip_Msg_Insertion_Warning): Update to take e.g.
        -gnatyM into account.
        * erroutc.adb (Get_Warning_Option, Get_Warning_Tag)
        (Prescan_Message): Add support for Style tags.
        * par-ch5.adb, par-ch6.adb, par-ch7.adb, par-endh.adb,
        par-util.adb, style.adb, styleg.adb: Set tag on all style
        messages.

2023-05-16  Tom Tromey  <tromey@adacore.com>

        * doc/gnat_ugn/building_executable_programs_with_gnat.rst
        (Switches_for_gnatbind): Fix typo.
        * libgnat/g-spipat.ads: Fix typo.
        * gnat_ugn.texi: Regenerate.

2023-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_aggr.adb (Build_Assignment_With_Temporary): Adjust comment
        and fix type of second parameter. Create the temporary on the
        secondary stack by calling Build_Temporary_On_Secondary_Stack.
        (Convert_Array_Aggr_In_Allocator): Adjust formatting.
        (Expand_Array_Aggregate): Likewise.
        * exp_ch4.adb (Expand_N_Allocator): Set Actual_Designated_Subtype
        on the dereference in the initialization for all composite types.
        * exp_ch5.adb (Expand_N_Assignment_Statement): Create a temporary
        on the host for an assignment between nonnative storage models.
        Suppress more checks when Suppress_Assignment_Checks is set.
        * exp_ch6.adb (Add_Simple_Call_By_Copy_Code): Deal with actuals
        that are dereferences with an Actual_Designated_Subtype. Add
        support for nonnative storage models.
        (Expand_Actuals): Create a copy if the actual is a dereference
        with a nonnative storage model.
        * exp_util.ads (Build_Temporary_On_Secondary_Stack): Declare.
        * exp_util.adb (Build_Temporary_On_Secondary_Stack): New function.
        * sem_ch5.adb (Analyze_Assignment.Set_Assignment_Type): Do not
        build an actual subtype for dereferences with an
        Actual_Designated_Subtype
        * sinfo.ads (Actual_Designated_Subtype): Adjust documentation.
        (Suppress_Assignment_Checks): Likewise.

2023-05-16  Piotr Trojanek  <trojanek@adacore.com>

        * exp_spark.adb (SPARK_Freeze_Type): Copy whole handling of DIC
        and Type_Invariant from Freeze_Type.

2023-05-16  Richard Kenner  <kenner@adacore.com>

        * sem_util.adb (Subprogram_Name): If what's passed is already an
        entity, use that for the name.

2023-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * doc/gnat_rm/standard_and_implementation_defined_restrictions.rst
        (No_Dependence): Give examples of new No_Dependence restrictions.
        * gnat_rm.texi: Regenerate.

2023-05-16  Arnaud Charlet  <charlet@adacore.com>

        * snames.ads-tmpl (Name_ASCII): New.
        * style.adb (Check_Identifier): Fix handling of ASCII.

2023-05-16  Eric Botcazou  <ebotcazou@adacore.com>

        * gen_il-fields.ads (Opt_Field_Enum): Add Cannot_Be_Superflat.
        * gen_il-gen-gen_nodes.adb (N_Range): Add Cannot_Be_Superflat as
        semantical flag and change Includes_Infinities to semantical.
        * sinfo.ads (Cannot_Be_Superflat): Document it for N_Range.
        * exp_ch4.adb (Expand_Concatenate): Set Cannot_Be_Superflat on the
        range of the result if the result cannot be null.

2023-05-16  Richard Kenner  <kenner@adacore.com>

        * gen_il-gen-gen_nodes.adb (Present_Expr): Type is now Uint.

2023-05-16  Yannick Moy  <moy@adacore.com>

        * libgnat/s-aridou.adb (Big3, Is_Mult_Decomposition)
        (Is_Scaled_Mult_Decomposition): Add annotation for inlining.
        (Double_Divide, Scaled_Divide): Simplify and remove ghost code.
        (Prove_Multiplication): Add calls to lemmas to make proof go
        through.
        * libgnat/s-aridou.ads (Big, In_Double_Int_Range): Add annotation
        for inlining.

2023-05-16  Yannick Moy  <moy@adacore.com>

        * libgnat/a-strsup.adb: Add intermediate assertions.

2023-05-16  Arnaud Charlet  <charlet@adacore.com>

        * gnat1drv.adb: Ensure all dependencies are recorded even when not
        generating code.

2023-05-16  Yannick Moy  <moy@adacore.com>

        * libgnat/a-strsup.adb: Set assertion policy for Loop_Variant.

2023-05-16  Marc Poulhiès  <poulhies@adacore.com>

        * sem_ch12.adb (Instantiate_Package_Body): Simplify if/then/else.
        (Instantiate_Subprogram_Body): Likewise.

2023-05-16  Yannick Moy  <moy@adacore.com>

        * libgnat/s-aridou.adb:
        (Big3): Remove override made useless.
        (Lemma_Quot_Rem): Add new lemma and justify it, as no prover
        manages to prove it.
        (Lemma_Div_Pow2): Use new lemma Lemma_Quot_Rem.
        (Prove_Scaled_Mult_Decomposition_Regroup3): Retype for
        simplification.
        (Scaled_Divide): Remove useless assertions.Decompose some
        assertions with cut operations. Use Assert_And_Cut for second
        half. Add assertions.

2023-05-15  Marc Poulhiès  <poulhies@adacore.com>

        * exp_ch3.adb (Make_Allocator_For_Return): Fix typo in comment.

2023-05-15  Yannick Moy  <moy@adacore.com>

        * libgnat/a-strbou.ads: Add justifications for Mapping.
        * libgnat/a-strfix.adb: Same.
        * libgnat/a-strfix.ads: Same.
        * libgnat/a-strsea.adb: Same.
        * libgnat/a-strsea.ads: Same.
        * libgnat/a-strsup.adb: Same and add loop variants.
        * libgnat/a-strsup.ads: Same and add specification of termination.

2023-05-15  Yannick Moy  <moy@adacore.com>

        * libgnat/a-strsup.adb (Super_Slice): Reorder component assignment
        to avoid failing predicate check related to initialization.
        * libgnat/s-expmod.adb (Exp_Modular): Add intermediate assertion.

2023-05-15  Yannick Moy  <moy@adacore.com>

        * libgnat/i-c.adb: Add loop variants. Remove useless
        initialization.

2023-05-15  Bob Duff  <duff@adacore.com>

        * einfo-utils.ads: Remove comment.

2023-05-15  Bob Duff  <duff@adacore.com>

        * einfo-utils.ads, einfo-utils.adb: Get rid of the Proc_Next_...
        procedures. Use Inline aspect instead of pragma Inline.
        Is_Discrete_Or_Fixed_Point_Type did not have pragma Inline, but
        now has the aspect; this was probably an oversight
        (which illustrates why aspects are better).

2023-05-15  Ronan Desplanques  <desplanques@adacore.com>

        * doc/gnat_ugn/gnat_utility_programs.rst: Fix formatting
        inconsistency.

2023-05-15  Bob Duff  <duff@adacore.com>

        * einfo-utils.adb:
        (Proc_Next_Component_Or_Discriminant): Call
        Next_Component_Or_Discriminant.

2023-05-15  Bob Duff  <duff@adacore.com>

        * einfo.ads:
        (First_Entity): Update comment explaining why this exists on all
        [sub]types, as opposed to just the ones with associated entities.

2023-05-15  Bob Duff  <duff@adacore.com>

        * atree.adb
        (Check_Vanishing_Fields): Disable the check for "root/base type
        only" fields. This is a bug fix -- if we're checking some subtype
        S, we don't want to reach over to the root or base type and
        Reinit_Field_To_Zero of that, thus modifying the field for lots of
        subtypes other than S. Disable in the to/from E_Void cases. Misc
        cleanup.
        * gen_il-gen-gen_entities.adb: Define First_Entity, Last_Entity,
        and Stored_Constraint for all type entities, because there are too
        many cases where Reinit_Field_To_Zero would otherwise be needed.
        In any case, it seems cleaner to have First_Entity and Last_Entity
        defined in the same entity kinds.
        * einfo.ads:
        (First_Entity, Last_Entity, Stored_Constraint): Update comments to
        reflect gen_il-gen-gen_entities.adb changes.
        (Lit_Hash): Add missing "[root type only]" comment.
        * exp_ch5.adb: Add Reinit_Field_To_Zero calls for vanishing
        fields.
        * sem_ch10.adb: Likewise.
        * sem_ch6.adb: Likewise.
        * sem_ch7.adb: Likewise.
        * sem_ch8.adb: Likewise.
        * sem_ch3.adb: Likewise. Also remove now-unnecessary
        Reinit_Field_To_Zero calls.

2023-05-15  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch7.adb (Hide_Public_Entities): Use the same condition for
        subprogram bodies without specification as for those with one.

2023-05-15  Piotr Trojanek  <trojanek@adacore.com>

        * sem_util.adb (New_Copy_Tree): Remove redundant calls to Present.

2023-05-15  Ronan Desplanques  <desplanques@adacore.com>

        * sem_ch8.adb (End_Scope): Simplify lookup of predecessor in
        homonym chain.

2023-05-15  Piotr Trojanek  <trojanek@adacore.com>

        * sem_aggr.adb (Resolve_Aggregate): Accept aggregates with OTHERS
        appearing inside unchecked conversions.

2023-05-15  Steve Baird  <baird@adacore.com>

        * warnsw.ads: Add a new element,
        Warn_On_Ineffective_Predicate_Test, to the Opt_Warnings_Enum
        enumeration type.
        * warnsw.adb: Bind "-gnatw_s" to the new
        Warn_On_Ineffective_Predicate_Test switch. Add the new switch to
        the set of switches enabled by -gnata .
        * sem_ch13.adb
        (Build_Discrete_Static_Predicate): Declare new local procedure,
        Warn_If_Test_Ineffective, which conditionally generates new
        warning. Call this new procedure when building a new element of an
        RList.
        * doc/gnat_ugn/building_executable_programs_with_gnat.rst:
        Document the -gnatw_s switch (and the corresponding -gnatw_S
        switch).
        * gnat_ugn.texi: Regenerate.

2023-05-15  Yannick Moy  <moy@adacore.com>

        * sem_attr.adb: Update comment referring to rule number.

2023-05-15  Ronan Desplanques  <desplanques@adacore.com>

        * sem_attr.adb: sem_attr.adb (Analyze_Access_Attribute): Tighten
        validity check for task types.

2023-05-15  Ronan Desplanques  <desplanques@adacore.com>

        * doc/gnat_rm/implementation_defined_characteristics.rst: Fix
        minor documentation formatting issue.
        * gnat_rm.texi: Regenerate.
        * gnat_ugn.texi: Regenerate.

2023-05-15  Bob Duff  <duff@adacore.com>

        * exp_ch4.adb
        (Expand_N_Op_Expon): Remove the too-big check. Simplify. Signed
        and modular cases are combined, etc. Remove code with comment "We
        only handle cases where the right type is a[sic] integer", because
        the right operand must always be an integer at this point.

2023-05-15  Bob Duff  <duff@adacore.com>

        * sem_attr.adb
        (Analyze_Attribute): Add a call to Check_Error_Detected.

2023-05-15  Yannick Moy  <moy@adacore.com>

        * par-prag.adb (First_Arg_Is_Matching_Tool_Name): Fix access to
        expression in pragma association.

2023-05-15  Eric Botcazou  <ebotcazou@adacore.com>

        * repinfo.ads (JSON output format): Document special case of
        Present member of a Variant object.
        * repinfo.adb (List_Structural_Record_Layout): Change the type of
        Ext_Level parameter to Integer. Restrict the first recursion with
        increasing levels to the fixed part and implement a second
        recursion with decreasing levels for the variant part. Deal with
        an extension of a type with unknown discriminants.

2023-05-15  Claire Dross  <dross@adacore.com>

        * libgnat/s-valueu.adb: Use cut operations inside assertion to
        restore proofs
        * gcc-interface/Make-lang.in (GNAT_ADA_OBJS): Add s-spark and
        s-spcuop dependencies.

2023-05-15  Yannick Moy  <moy@adacore.com>

        * sem_prag.adb (Check_Grouping): Allow Annotate pragmas between
        loop pragmas.

2023-05-15  Javier Miranda  <miranda@adacore.com>

        * doc/gnat_rm/implementation_defined_pragmas.rst
        (Extensions_Allowed): Document string interpolation.
        * gnat_rm.texi: Regenerate.
        * gnat_ugn.texi: Regenerate.

2023-05-15  Joel Brobecker  <brobecker@adacore.com>

        * doc/gnat_ugn/platform_specific_information.rst
        (_PIE_Enabled_By_Default_On_Linux): New section.
        * gnat-style.texi: Regenerate.
        * gnat_ugn.texi: Regenerate.

2023-05-15  Javier Miranda  <miranda@adacore.com>

        * exp_disp.adb
        (Has_Dispatching_Constructor_Call): New subprogram.
        (Expand_Interface_Conversion): No need to perform dynamic
        interface conversion when the operand and the target type are
        interface types and the target interface type is an ancestor of
        the operand type. The unique exception to this rule is when the
        operand has a dispatching constructor call (as documented in the
        sources).

2023-05-15  Piotr Trojanek  <trojanek@adacore.com>

        * sem_attr.adb (Analyze_Attribute): Reject attribute Initialized
        on unchecked unions; fix grammar in comment.

2023-05-15  Ronan Desplanques  <desplanques@adacore.com>

        * sem_ch13.adb (Validate_Unchecked_Conversion): Fix behavior on
        System.Address to access to subprogram subtype conversion.

2023-05-15  Piotr Trojanek  <trojanek@adacore.com>

        * atree.ads
        (Is_Syntactic_Node): Refactored from New_Copy_Tree.
        * atree.adb
        (Is_Syntactic_Node): Likewise.
        (Copy_Separate_Tree): Use Is_Syntactic_Node.
        * sem_util.adb
        (Has_More_Ids): Move to Atree.
        (Is_Syntactic_Node): Likewise.

2023-04-18  Jin Ma  <jinma@linux.alibaba.com>

        * gcc-interface/utils.cc (unchecked_convert): Fix typo.

2023-04-17  Martin Liska  <mliska@suse.cz>

        * gnatvsn.ads: Bump Library_Version to 14.

2023-04-15  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/109510
        * gcc-interface/decl.cc (gnat_to_gnu_entity) <types>: Do not reset
        align to zero in any case.  Set TYPE_USER_ALIGN on the type only if
        it is an aggregate type, or else a type whose default alignment is
        specifically capped on selected platforms.

2023-04-14  Eric Botcazou  <ebotcazou@adacore.com>

        PR bootstrap/109510
        * gcc-interface/decl.cc (gnat_to_gnu_entity) <types>: Reset align
        to zero if its value is equal to TYPE_ALIGN and the type is scalar.
        Set TYPE_USER_ALIGN on the type only if align is positive.

2023-03-06  Javier Miranda  <miranda@adacore.com>

        PR ada/108858
        * sem_ch6.adb (Analyze_Subprogram_Body_Helper): For functions with
        separate spec, if their return type was visible through a limited-
        with context clause, their extra formals were not added when the
        spec was analyzed.  Now the full view must be available, and the
        extra formals can be created and Returns_By_Ref computed.

2023-03-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/108909
        PR ada/108983
        * Make-generated.in: Do not use GNATMAKE.
        * gcc-interface/Makefile.in: Ditto.

2023-02-26  Peter Foley  <pefoley2@pefoley.com>

        PR ada/108909
        * Make-generated.in: Use GNATMAKE.
        * gcc-interface/Makefile.in: Ditto.

2023-02-14  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.cc (gnat_gimplify_expr): Add missing guard.

2023-02-14  Dongsheng Song  <dongsheng.song@gmail.com>

        * adaint.c [Linux]: Include <features.h>.
        (__gnat_get_executable_load_address) [Linux]: Enable only for
        glibc and uClibc.

2023-01-16  Marc Poulhiès  <poulhies@adacore.com>

        * gcc-interface/Make-lang.in: Update copyright years.
        * gcc-interface/Makefile.in: Likewise.
        * gcc-interface/ada-builtin-types.def: Likewise.
        * gcc-interface/ada-builtins.def: Likewise.
        * gcc-interface/ada-tree.def: Likewise.
        * gcc-interface/ada-tree.h: Likewise.
        * gcc-interface/ada.h: Likewise.
        * gcc-interface/config-lang.in: Likewise.
        * gcc-interface/cuintp.cc: Likewise.
        * gcc-interface/decl.cc: Likewise.
        * gcc-interface/gadaint.h: Likewise.
        * gcc-interface/gigi.h: Likewise.
        * gcc-interface/lang-specs.h: Likewise.
        * gcc-interface/lang.opt: Likewise.
        * gcc-interface/misc.cc: Likewise.
        * gcc-interface/system.ads: Likewise.
        * gcc-interface/targtyps.cc: Likewise.
        * gcc-interface/trans.cc: Likewise.
        * gcc-interface/utils.cc: Likewise.
        * gcc-interface/utils2.cc: Likewise.

2023-01-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Make_Allocator_For_Return): Fix typo in comment.

2023-01-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Make_Allocator_For_Return): Convert the expression
        to the return object's type in the constrained array case as well.

2023-01-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): For a class-wide non-
        interface stand-alone object initialized by a function call, call
        Remove_Side_Effects on the expression to capture the result.

2023-01-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_util.ads (Has_Tag_Of_Type): Declare.
        * exp_util.adb (Has_Tag_Of_Type): Move to package level.  Recurse on
        qualified expressions.
        * exp_ch3.adb (Expand_N_Object_Declaration): Use a static reference
        to the interface tag in more cases for class-wide interface objects.

2023-01-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_util.adb (Make_CW_Equivalent_Type.Has_Tag_Of_Type): Fix pasto.

2023-01-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_util.adb (Is_Temporary_For_Interface_Object): Delete.
        (Is_Finalizable_Transient.Is_Aliased): Deal with the specific case
        of temporaries generated for interface objects.

2023-01-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): Do not generate a back-
        and-forth displacement of the object's address when using a renaming
        for an interface object with an expression of the same type.
        * exp_ch4.adb (Expand_Allocator_Expression): Do not remove the side
        effects of the expression up front for the simple allocators. Do not
        call the Adjust primitive if the expression is a function call.
        * exp_ch6.adb (Expand_Ctrl_Function_Call): Do not expand the call
        unnecessarily for a special return object.
        (Expand_Simple_Function_Return): Restore the displacement of the
        return object's address in the case where the expression is the call
        to a function whose result type is a type that needs finalization.
        * exp_util.adb (Expand_Subtype_From_Expr): Do not remove the side
        effects of the expression before calling Make_Subtype_From_Expr.
        (Make_CW_Equivalent_Type): If the expression has the tag of its type
        and this type has a uniform size, use 'Object_Size of this type in
        lieu of 'Size of the expression to compute the expression's size.

2023-01-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Make_Allocator_For_Return): Put back an interface
        conversion for expressions with non-interface class-wide type.

2023-01-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): Also optimize aliased
        objects if their nominal subtype is not an unconstrained array.

2023-01-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): Factor out conditions
        needed for an initializating expression that is a function call to
        be renamable into the Is_Renamable_Function_Call predicate.
        Use it to implement the renaming in the case of class-wide interface
        objects.  Remove an interface conversion on all paths, separate and
        optimize the renaming path in the special expansion for interfaces.
        (Is_Renamable_Function_Call): New predicate.
        (Make_Allocator_For_Return): Put back an interface conversion.
        * exp_ch6.adb (Apply_CW_Accessibility_Check): Remove useless access
        checks on RE_Tag_Ptr.

2023-01-09  Arnaud Charlet  <charlet@adacore.com>

        * accessibility.adb, accessibility.ads, ada_get_targ.adb: Update copyright year.
        * adabkend.adb, adabkend.ads, adadecode.c, adadecode.h, adaint.c: Likewise.
        * adaint.h, affinity.c, ali-util.adb, ali-util.ads, ali.adb: Likewise.
        * ali.ads, alloc.ads, argv-lynxos178-raven-cert.c, argv.c: Likewise.
        * aspects.adb, aspects.ads, atree.adb, atree.ads, atree.h: Likewise.
        * aux-io.c, back_end.adb, back_end.ads, backend_utils.adb: Likewise.
        * backend_utils.ads, bcheck.adb, bcheck.ads, binde.adb, binde.ads: Likewise.
        * binderr.adb, binderr.ads, bindgen.adb, bindgen.ads: Likewise.
        * bindo-augmentors.adb, bindo-augmentors.ads, bindo-builders.adb: Likewise.
        * bindo-builders.ads, bindo-diagnostics.adb: Likewise.
        * bindo-diagnostics.ads, bindo-elaborators.adb: Likewise.
        * bindo-elaborators.ads, bindo-graphs.adb, bindo-graphs.ads: Likewise.
        * bindo-units.adb, bindo-units.ads, bindo-validators.adb: Likewise.
        * bindo-validators.ads, bindo-writers.adb, bindo-writers.ads: Likewise.
        * bindo.adb, bindo.ads, bindusg.adb, bindusg.ads, butil.adb: Likewise.
        * butil.ads, cal.c, casing.adb, casing.ads, checks.adb: Likewise.
        * checks.ads, cio.c, clean.adb, clean.ads: Likewise.
        * comperr.adb, comperr.ads, contracts.adb, contracts.ads: Likewise.
        * csets.adb, csets.ads, cstand.adb: Likewise.
        * cstand.ads, cstreams.c, ctrl_c.c, debug.adb, debug.ads: Likewise.
        * debug_a.adb, debug_a.ads, einfo-utils.adb, einfo-utils.ads: Likewise.
        * einfo.adb, einfo.ads, elists.adb, elists.ads, elists.h, env.c: Likewise.
        * env.h, err_vars.ads, errno.c, errout.adb, errout.ads: Likewise.
        * erroutc.adb, erroutc.ads, errutil.adb, errutil.ads: Likewise.
        * eval_fat.adb, eval_fat.ads, exit.c, exp_aggr.adb, exp_aggr.ads: Likewise.
        * exp_atag.adb, exp_atag.ads, exp_attr.adb, exp_attr.ads: Likewise.
        * exp_cg.adb, exp_cg.ads, exp_ch10.ads, exp_ch11.adb: Likewise.
        * exp_ch11.ads, exp_ch12.adb, exp_ch12.ads, exp_ch13.adb: Likewise.
        * exp_ch13.ads, exp_ch2.adb, exp_ch2.ads, exp_ch3.adb: Likewise.
        * exp_ch3.ads, exp_ch4.adb, exp_ch4.ads, exp_ch5.adb, exp_ch5.ads: Likewise.
        * exp_ch6.adb, exp_ch6.ads, exp_ch7.adb, exp_ch7.ads, exp_ch8.adb: Likewise.
        * exp_ch8.ads, exp_ch9.adb, exp_ch9.ads, exp_code.adb: Likewise.
        * exp_code.ads, exp_dbug.adb, exp_dbug.ads, exp_disp.adb: Likewise.
        * exp_disp.ads, exp_dist.adb, exp_dist.ads, exp_fixd.adb: Likewise.
        * exp_fixd.ads, exp_imgv.adb, exp_imgv.ads, exp_intr.adb: Likewise.
        * exp_intr.ads, exp_pakd.adb, exp_pakd.ads, exp_prag.adb: Likewise.
        * exp_prag.ads, exp_put_image.adb, exp_put_image.ads, exp_sel.adb: Likewise.
        * exp_sel.ads, exp_smem.adb, exp_smem.ads, exp_spark.adb: Likewise.
        * exp_spark.ads, exp_strm.adb, exp_strm.ads, exp_tss.adb: Likewise.
        * exp_tss.ads, exp_unst.adb, exp_unst.ads, exp_util.adb: Likewise.
        * exp_util.ads, expander.adb, expander.ads, expect.c, fe.h: Likewise.
        * final.c, fmap.adb, fmap.ads, fname-sf.adb, fname-sf.ads: Likewise.
        * fname-uf.adb, fname-uf.ads, fname.adb, fname.ads, freeze.adb: Likewise.
        * freeze.ads, frontend.adb, frontend.ads, gen_il-fields.ads: Likewise.
        * gen_il-gen-gen_entities.adb, gen_il-gen-gen_nodes.adb: Likewise.
        * gen_il-gen.adb, gen_il-gen.ads, gen_il-internals.adb: Likewise.
        * gen_il-internals.ads, gen_il-main.adb, gen_il-types.ads: Likewise.
        * gen_il.adb, gen_il.ads, get_scos.adb, get_scos.ads: Likewise.
        * get_targ.adb, get_targ.ads, ghost.adb, ghost.ads, gnat1drv.adb: Likewise.
        * gnat1drv.ads, gnat_cuda.adb, gnat_cuda.ads: Likewise.
        * gnatbind.adb, gnatbind.ads, gnatchop.adb: Likewise.
        * gnatclean.adb, gnatcmd.adb, gnatcmd.ads, gnatdll.adb: Likewise.
        * gnatkr.adb, gnatkr.ads, gnatlink.adb, gnatlink.ads, gnatls.adb: Likewise.
        * gnatls.ads, gnatmake.adb, gnatmake.ads, gnatname.adb: Likewise.
        * gnatname.ads, gnatprep.adb, gnatprep.ads: Likewise.
        * gprep.adb, gprep.ads, gsocket.h: Likewise.
        * hostparm.ads: Likewise.
        * impunit.adb, impunit.ads, indepsw-aix.adb, indepsw-darwin.adb: Likewise.
        * indepsw-gnu.adb, indepsw.adb, indepsw.ads, init.c: Likewise.
        * initialize.c, inline.adb, inline.ads, itypes.adb, itypes.ads: Likewise.
        * krunch.adb, krunch.ads, layout.adb, layout.ads: Likewise.
        * lib-list.adb, lib-load.adb, lib-load.ads, lib-sort.adb: Likewise.
        * lib-util.adb, lib-util.ads, lib-writ.adb, lib-writ.ads: Likewise.
        * lib-xref-spark_specific.adb, lib-xref.adb, lib-xref.ads: Likewise.
        * lib.adb, lib.ads, libgnarl/a-astaco.adb, libgnarl/a-dispat.adb: Likewise.
        * libgnarl/a-dynpri.adb, libgnarl/a-etgrbu.ads: Likewise.
        * libgnarl/a-exetim__darwin.adb, libgnarl/a-exetim__default.ads: Likewise.
        * libgnarl/a-exetim__mingw.adb, libgnarl/a-exetim__mingw.ads: Likewise.
        * libgnarl/a-exetim__posix.adb, libgnarl/a-interr.adb: Likewise.
        * libgnarl/a-interr.ads, libgnarl/a-intnam.ads: Likewise.
        * libgnarl/a-intnam__aix.ads, libgnarl/a-intnam__darwin.ads: Likewise.
        * libgnarl/a-intnam__dragonfly.ads, libgnarl/a-intnam__dummy.ads: Likewise.
        * libgnarl/a-intnam__freebsd.ads, libgnarl/a-intnam__hpux.ads: Likewise.
        * libgnarl/a-intnam__linux.ads, libgnarl/a-intnam__lynxos.ads: Likewise.
        * libgnarl/a-intnam__mingw.ads, libgnarl/a-intnam__qnx.ads: Likewise.
        * libgnarl/a-intnam__rtems.ads, libgnarl/a-intnam__solaris.ads: Likewise.
        * libgnarl/a-intnam__vxworks.ads, libgnarl/a-reatim.adb: Likewise.
        * libgnarl/a-reatim.ads, libgnarl/a-retide.adb: Likewise.
        * libgnarl/a-retide.ads, libgnarl/a-rttiev.adb: Likewise.
        * libgnarl/a-rttiev.ads, libgnarl/a-synbar.adb: Likewise.
        * libgnarl/a-synbar.ads, libgnarl/a-synbar__posix.adb: Likewise.
        * libgnarl/a-synbar__posix.ads, libgnarl/a-sytaco.adb: Likewise.
        * libgnarl/a-sytaco.ads, libgnarl/a-tasatt.adb: Likewise.
        * libgnarl/a-tasatt.ads, libgnarl/a-taside.adb: Likewise.
        * libgnarl/a-taside.ads, libgnarl/a-tasini.adb: Likewise.
        * libgnarl/a-tasini.ads, libgnarl/a-taster.adb: Likewise.
        * libgnarl/g-boubuf.adb, libgnarl/g-boubuf.ads: Likewise.
        * libgnarl/g-boumai.ads, libgnarl/g-semaph.adb: Likewise.
        * libgnarl/g-semaph.ads, libgnarl/g-signal.adb: Likewise.
        * libgnarl/g-signal.ads, libgnarl/g-tastus.ads: Likewise.
        * libgnarl/g-thread.adb, libgnarl/g-thread.ads: Likewise.
        * libgnarl/i-vxinco.adb, libgnarl/i-vxinco.ads: Likewise.
        * libgnarl/s-inmaop.ads, libgnarl/s-inmaop__dummy.adb: Likewise.
        * libgnarl/s-inmaop__hwint.adb, libgnarl/s-inmaop__posix.adb: Likewise.
        * libgnarl/s-interr.adb, libgnarl/s-interr.ads: Likewise.
        * libgnarl/s-interr__dummy.adb, libgnarl/s-interr__hwint.adb: Likewise.
        * libgnarl/s-interr__sigaction.adb: Likewise.
        * libgnarl/s-interr__vxworks.adb, libgnarl/s-intman.ads: Likewise.
        * libgnarl/s-intman__android.adb, libgnarl/s-intman__dummy.adb: Likewise.
        * libgnarl/s-intman__lynxos.adb, libgnarl/s-intman__mingw.adb: Likewise.
        * libgnarl/s-intman__posix.adb, libgnarl/s-intman__qnx.adb: Likewise.
        * libgnarl/s-intman__rtems.adb, libgnarl/s-intman__rtems.ads: Likewise.
        * libgnarl/s-intman__solaris.adb, libgnarl/s-intman__susv3.adb: Likewise.
        * libgnarl/s-intman__vxworks.adb, libgnarl/s-intman__vxworks.ads: Likewise.
        * libgnarl/s-linux.ads, libgnarl/s-linux__alpha.ads: Likewise.
        * libgnarl/s-linux__android.ads, libgnarl/s-linux__hppa.ads: Likewise.
        * libgnarl/s-linux__mips.ads, libgnarl/s-linux__riscv.ads: Likewise.
        * libgnarl/s-linux__sparc.ads, libgnarl/s-linux__x32.ads: Likewise.
        * libgnarl/s-mudido.adb, libgnarl/s-mudido__affinity.adb: Likewise.
        * libgnarl/s-osinte__aix.adb, libgnarl/s-osinte__aix.ads: Likewise.
        * libgnarl/s-osinte__android.adb, libgnarl/s-osinte__android.ads: Likewise.
        * libgnarl/s-osinte__darwin.adb, libgnarl/s-osinte__darwin.ads: Likewise.
        * libgnarl/s-osinte__dragonfly.adb: Likewise.
        * libgnarl/s-osinte__dragonfly.ads, libgnarl/s-osinte__dummy.ads: Likewise.
        * libgnarl/s-osinte__freebsd.adb, libgnarl/s-osinte__freebsd.ads: Likewise.
        * libgnarl/s-osinte__gnu.adb, libgnarl/s-osinte__gnu.ads: Likewise.
        * libgnarl/s-osinte__hpux-dce.adb: Likewise.
        * libgnarl/s-osinte__hpux-dce.ads, libgnarl/s-osinte__hpux.ads: Likewise.
        * libgnarl/s-osinte__kfreebsd-gnu.ads: Likewise.
        * libgnarl/s-osinte__linux.ads, libgnarl/s-osinte__lynxos178.adb: Likewise.
        * libgnarl/s-osinte__lynxos178e.ads, libgnarl/s-osinte__mingw.ads: Likewise.
        * libgnarl/s-osinte__posix.adb, libgnarl/s-osinte__qnx.adb: Likewise.
        * libgnarl/s-osinte__qnx.ads, libgnarl/s-osinte__rtems.adb: Likewise.
        * libgnarl/s-osinte__rtems.ads, libgnarl/s-osinte__solaris.adb: Likewise.
        * libgnarl/s-osinte__solaris.ads, libgnarl/s-osinte__vxworks.adb: Likewise.
        * libgnarl/s-osinte__vxworks.ads, libgnarl/s-osinte__x32.adb: Likewise.
        * libgnarl/s-proinf.adb, libgnarl/s-proinf.ads: Likewise.
        * libgnarl/s-putaim.adb, libgnarl/s-putaim.ads: Likewise.
        * libgnarl/s-qnx.ads, libgnarl/s-solita.adb: Likewise.
        * libgnarl/s-solita.ads, libgnarl/s-stusta.adb: Likewise.
        * libgnarl/s-stusta.ads, libgnarl/s-taasde.adb: Likewise.
        * libgnarl/s-taasde.ads, libgnarl/s-tadeca.adb: Likewise.
        * libgnarl/s-tadeca.ads, libgnarl/s-tadert.adb: Likewise.
        * libgnarl/s-tadert.ads, libgnarl/s-taenca.adb: Likewise.
        * libgnarl/s-taenca.ads, libgnarl/s-taprob.adb: Likewise.
        * libgnarl/s-taprob.ads, libgnarl/s-taprop.ads: Likewise.
        * libgnarl/s-taprop__dummy.adb, libgnarl/s-taprop__hpux-dce.adb: Likewise.
        * libgnarl/s-taprop__linux.adb, libgnarl/s-taprop__mingw.adb: Likewise.
        * libgnarl/s-taprop__posix.adb, libgnarl/s-taprop__qnx.adb: Likewise.
        * libgnarl/s-taprop__rtems.adb, libgnarl/s-taprop__solaris.adb: Likewise.
        * libgnarl/s-taprop__vxworks.adb, libgnarl/s-tarest.adb: Likewise.
        * libgnarl/s-tarest.ads, libgnarl/s-tasdeb.adb: Likewise.
        * libgnarl/s-tasdeb.ads, libgnarl/s-tasinf.adb: Likewise.
        * libgnarl/s-tasinf.ads, libgnarl/s-tasinf__linux.adb: Likewise.
        * libgnarl/s-tasinf__linux.ads, libgnarl/s-tasinf__mingw.adb: Likewise.
        * libgnarl/s-tasinf__mingw.ads, libgnarl/s-tasinf__solaris.adb: Likewise.
        * libgnarl/s-tasinf__solaris.ads, libgnarl/s-tasinf__vxworks.ads: Likewise.
        * libgnarl/s-tasini.adb, libgnarl/s-tasini.ads: Likewise.
        * libgnarl/s-taskin.adb, libgnarl/s-taskin.ads: Likewise.
        * libgnarl/s-taspri__dummy.ads, libgnarl/s-taspri__hpux-dce.ads: Likewise.
        * libgnarl/s-taspri__lynxos.ads, libgnarl/s-taspri__mingw.ads: Likewise.
        * libgnarl/s-taspri__posix-noaltstack.ads: Likewise.
        * libgnarl/s-taspri__posix.ads, libgnarl/s-taspri__solaris.ads: Likewise.
        * libgnarl/s-taspri__vxworks.ads, libgnarl/s-tasque.adb: Likewise.
        * libgnarl/s-tasque.ads, libgnarl/s-tasren.adb: Likewise.
        * libgnarl/s-tasren.ads, libgnarl/s-tasres.ads: Likewise.
        * libgnarl/s-tassta.adb, libgnarl/s-tassta.ads: Likewise.
        * libgnarl/s-tasuti.adb, libgnarl/s-tasuti.ads: Likewise.
        * libgnarl/s-tataat.adb, libgnarl/s-tataat.ads: Likewise.
        * libgnarl/s-tpinop.adb, libgnarl/s-tpinop.ads: Likewise.
        * libgnarl/s-tpoaal.adb, libgnarl/s-tpoben.adb: Likewise.
        * libgnarl/s-tpoben.ads, libgnarl/s-tpobmu.adb: Likewise.
        * libgnarl/s-tpobmu.ads, libgnarl/s-tpobop.adb: Likewise.
        * libgnarl/s-tpobop.ads, libgnarl/s-tpopmo.adb: Likewise.
        * libgnarl/s-tpopsp__posix-foreign.adb: Likewise.
        * libgnarl/s-tpopsp__posix.adb, libgnarl/s-tpopsp__solaris.adb: Likewise.
        * libgnarl/s-tpopsp__tls.adb, libgnarl/s-tpopsp__vxworks-rtp.adb: Likewise.
        * libgnarl/s-tpopsp__vxworks-tls.adb: Likewise.
        * libgnarl/s-tpopsp__vxworks.adb, libgnarl/s-tporft.adb: Likewise.
        * libgnarl/s-tposen.adb, libgnarl/s-tposen.ads: Likewise.
        * libgnarl/s-vxwext.adb, libgnarl/s-vxwext.ads: Likewise.
        * libgnarl/s-vxwext__kernel-smp.adb: Likewise.
        * libgnarl/s-vxwext__kernel.adb, libgnarl/s-vxwext__kernel.ads: Likewise.
        * libgnarl/s-vxwext__rtp-smp.adb, libgnarl/s-vxwext__rtp.adb: Likewise.
        * libgnarl/s-vxwext__rtp.ads, libgnarl/s-vxwork__aarch64.ads: Likewise.
        * libgnarl/s-vxwork__arm.ads, libgnarl/s-vxwork__ppc.ads: Likewise.
        * libgnarl/s-vxwork__x86.ads, libgnarl/thread.c: Likewise.
        * libgnat/a-assert.adb, libgnat/a-assert.ads: Likewise.
        * libgnat/a-btgbso.adb, libgnat/a-btgbso.ads: Likewise.
        * libgnat/a-calari.adb, libgnat/a-calari.ads: Likewise.
        * libgnat/a-calcon.adb, libgnat/a-calcon.ads: Likewise.
        * libgnat/a-caldel.adb, libgnat/a-caldel.ads: Likewise.
        * libgnat/a-calend.adb, libgnat/a-calend.ads: Likewise.
        * libgnat/a-calfor.adb, libgnat/a-calfor.ads: Likewise.
        * libgnat/a-catizo.adb, libgnat/a-cbdlli.adb: Likewise.
        * libgnat/a-cbdlli.ads, libgnat/a-cbhama.adb: Likewise.
        * libgnat/a-cbhama.ads, libgnat/a-cbhase.adb: Likewise.
        * libgnat/a-cbhase.ads, libgnat/a-cbmutr.adb: Likewise.
        * libgnat/a-cbmutr.ads, libgnat/a-cborma.adb: Likewise.
        * libgnat/a-cborma.ads, libgnat/a-cborse.adb: Likewise.
        * libgnat/a-cborse.ads, libgnat/a-cbprqu.adb: Likewise.
        * libgnat/a-cbprqu.ads, libgnat/a-cbsyqu.adb: Likewise.
        * libgnat/a-cbsyqu.ads, libgnat/a-cdlili.adb: Likewise.
        * libgnat/a-cdlili.ads, libgnat/a-cfdlli.ads: Likewise.
        * libgnat/a-cfhama.ads, libgnat/a-cfhase.ads: Likewise.
        * libgnat/a-cfidll.ads, libgnat/a-cfinse.ads: Likewise.
        * libgnat/a-cfinve.ads, libgnat/a-cforma.ads: Likewise.
        * libgnat/a-cforse.ads, libgnat/a-cgaaso.adb: Likewise.
        * libgnat/a-cgaaso.ads, libgnat/a-cgarso.adb: Likewise.
        * libgnat/a-cgcaso.adb, libgnat/a-chacon.adb: Likewise.
        * libgnat/a-chacon.ads, libgnat/a-chahan.adb: Likewise.
        * libgnat/a-chahan.ads, libgnat/a-chlat9.ads: Likewise.
        * libgnat/a-chtgbk.adb, libgnat/a-chtgbk.ads: Likewise.
        * libgnat/a-chtgbo.adb, libgnat/a-chtgbo.ads: Likewise.
        * libgnat/a-chtgfk.adb, libgnat/a-chtgfk.ads: Likewise.
        * libgnat/a-chtgfo.adb, libgnat/a-chtgfo.ads: Likewise.
        * libgnat/a-chtgke.adb, libgnat/a-chtgke.ads: Likewise.
        * libgnat/a-chtgop.adb, libgnat/a-chtgop.ads: Likewise.
        * libgnat/a-chzla1.ads, libgnat/a-chzla9.ads: Likewise.
        * libgnat/a-cidlli.adb, libgnat/a-cidlli.ads: Likewise.
        * libgnat/a-cihama.adb, libgnat/a-cihama.ads: Likewise.
        * libgnat/a-cihase.adb, libgnat/a-cihase.ads: Likewise.
        * libgnat/a-cimutr.adb, libgnat/a-cimutr.ads: Likewise.
        * libgnat/a-ciorma.adb, libgnat/a-ciorma.ads: Likewise.
        * libgnat/a-ciormu.adb, libgnat/a-ciormu.ads: Likewise.
        * libgnat/a-ciorse.adb, libgnat/a-ciorse.ads: Likewise.
        * libgnat/a-clrefi.adb, libgnat/a-clrefi.ads: Likewise.
        * libgnat/a-coboho.adb, libgnat/a-coboho.ads: Likewise.
        * libgnat/a-cobove.adb, libgnat/a-cobove.ads: Likewise.
        * libgnat/a-cofove.ads, libgnat/a-cofuma.ads: Likewise.
        * libgnat/a-cofuse.ads, libgnat/a-cofuve.ads: Likewise.
        * libgnat/a-cogeso.adb, libgnat/a-cogeso.ads: Likewise.
        * libgnat/a-cohama.adb, libgnat/a-cohama.ads: Likewise.
        * libgnat/a-cohase.adb, libgnat/a-cohase.ads: Likewise.
        * libgnat/a-cohata.ads, libgnat/a-coinho.adb: Likewise.
        * libgnat/a-coinho.ads, libgnat/a-coinho__shared.adb: Likewise.
        * libgnat/a-coinho__shared.ads, libgnat/a-coinve.adb: Likewise.
        * libgnat/a-coinve.ads, libgnat/a-colien.adb: Likewise.
        * libgnat/a-colien.ads, libgnat/a-colire.adb: Likewise.
        * libgnat/a-colire.ads, libgnat/a-comlin.adb: Likewise.
        * libgnat/a-comlin.ads, libgnat/a-comutr.adb: Likewise.
        * libgnat/a-comutr.ads, libgnat/a-conhel.adb: Likewise.
        * libgnat/a-conhel.ads, libgnat/a-convec.adb: Likewise.
        * libgnat/a-convec.ads, libgnat/a-coorma.adb: Likewise.
        * libgnat/a-coorma.ads, libgnat/a-coormu.adb: Likewise.
        * libgnat/a-coormu.ads, libgnat/a-coorse.adb: Likewise.
        * libgnat/a-coorse.ads, libgnat/a-coprnu.adb: Likewise.
        * libgnat/a-coprnu.ads, libgnat/a-costso.adb: Likewise.
        * libgnat/a-costso.ads, libgnat/a-crbltr.ads: Likewise.
        * libgnat/a-crbtgk.adb, libgnat/a-crbtgk.ads: Likewise.
        * libgnat/a-crbtgo.adb, libgnat/a-crbtgo.ads: Likewise.
        * libgnat/a-crdlli.adb, libgnat/a-crdlli.ads: Likewise.
        * libgnat/a-csquin.ads, libgnat/a-cuprqu.adb: Likewise.
        * libgnat/a-cuprqu.ads, libgnat/a-cusyqu.adb: Likewise.
        * libgnat/a-cusyqu.ads, libgnat/a-cwila1.ads: Likewise.
        * libgnat/a-cwila9.ads, libgnat/a-decima.adb: Likewise.
        * libgnat/a-decima.ads, libgnat/a-decima__128.ads: Likewise.
        * libgnat/a-dhfina.adb, libgnat/a-dhfina.ads: Likewise.
        * libgnat/a-diocst.adb, libgnat/a-diocst.ads: Likewise.
        * libgnat/a-direct.adb, libgnat/a-direct.ads: Likewise.
        * libgnat/a-direio.adb, libgnat/a-direio.ads: Likewise.
        * libgnat/a-dirval.adb, libgnat/a-dirval.ads: Likewise.
        * libgnat/a-dirval__mingw.adb, libgnat/a-einuoc.adb: Likewise.
        * libgnat/a-einuoc.ads, libgnat/a-elchha.adb: Likewise.
        * libgnat/a-elchha.ads, libgnat/a-envvar.adb: Likewise.
        * libgnat/a-excach.adb, libgnat/a-except.adb: Likewise.
        * libgnat/a-except.ads, libgnat/a-exctra.adb: Likewise.
        * libgnat/a-exctra.ads, libgnat/a-exexda.adb: Likewise.
        * libgnat/a-exexpr.adb, libgnat/a-exextr.adb: Likewise.
        * libgnat/a-exstat.adb, libgnat/a-finali.adb: Likewise.
        * libgnat/a-finali.ads, libgnat/a-locale.adb: Likewise.
        * libgnat/a-locale.ads, libgnat/a-nagefl.ads: Likewise.
        * libgnat/a-naliop.ads, libgnat/a-naliop__nolibm.ads: Likewise.
        * libgnat/a-nallfl.ads, libgnat/a-nallfl__wraplf.ads: Likewise.
        * libgnat/a-nalofl.ads, libgnat/a-nalofl__simd.ads: Likewise.
        * libgnat/a-nashfl.ads, libgnat/a-nashfl__wraplf.ads: Likewise.
        * libgnat/a-nbnbig.adb, libgnat/a-nbnbin.adb: Likewise.
        * libgnat/a-nbnbin__gmp.adb, libgnat/a-nbnbre.adb: Likewise.
        * libgnat/a-ngcefu.adb, libgnat/a-ngcoar.adb: Likewise.
        * libgnat/a-ngcoty.adb, libgnat/a-ngcoty.ads: Likewise.
        * libgnat/a-ngelfu.adb, libgnat/a-ngelfu.ads: Likewise.
        * libgnat/a-ngrear.adb, libgnat/a-ngrear.ads: Likewise.
        * libgnat/a-nuauco.ads, libgnat/a-nuauco__x86.ads: Likewise.
        * libgnat/a-nuaufl.ads, libgnat/a-nuaufl__simd.ads: Likewise.
        * libgnat/a-nuaufl__wraplf.ads, libgnat/a-nudira.adb: Likewise.
        * libgnat/a-nudira.ads, libgnat/a-nuflra.adb: Likewise.
        * libgnat/a-nuflra.ads, libgnat/a-numaux.ads: Likewise.
        * libgnat/a-rbtgbk.adb, libgnat/a-rbtgbk.ads: Likewise.
        * libgnat/a-rbtgbo.adb, libgnat/a-rbtgbo.ads: Likewise.
        * libgnat/a-rbtgso.adb, libgnat/a-rbtgso.ads: Likewise.
        * libgnat/a-sbecin.adb, libgnat/a-sbecin.ads: Likewise.
        * libgnat/a-sbhcin.adb, libgnat/a-sbhcin.ads: Likewise.
        * libgnat/a-sblcin.adb, libgnat/a-sblcin.ads: Likewise.
        * libgnat/a-secain.adb, libgnat/a-secain.ads: Likewise.
        * libgnat/a-sequio.adb, libgnat/a-sequio.ads: Likewise.
        * libgnat/a-sfecin.ads, libgnat/a-sfhcin.ads: Likewise.
        * libgnat/a-sflcin.ads, libgnat/a-shcain.adb: Likewise.
        * libgnat/a-shcain.ads, libgnat/a-siocst.adb: Likewise.
        * libgnat/a-siocst.ads, libgnat/a-slcain.adb: Likewise.
        * libgnat/a-slcain.ads, libgnat/a-ssicst.adb: Likewise.
        * libgnat/a-ssicst.ads, libgnat/a-stboha.adb: Likewise.
        * libgnat/a-stbubo.adb, libgnat/a-stbubo.ads: Likewise.
        * libgnat/a-stbufi.adb, libgnat/a-stbufi.ads: Likewise.
        * libgnat/a-stbufo.adb, libgnat/a-stbufo.ads: Likewise.
        * libgnat/a-stbuun.adb, libgnat/a-stbuut.adb: Likewise.
        * libgnat/a-stbuut.ads, libgnat/a-stmaco.ads: Likewise.
        * libgnat/a-storio.adb, libgnat/a-strbou.adb: Likewise.
        * libgnat/a-strbou.ads, libgnat/a-stream.adb: Likewise.
        * libgnat/a-stream.ads, libgnat/a-strfix.adb: Likewise.
        * libgnat/a-strhas.adb, libgnat/a-strmap.adb: Likewise.
        * libgnat/a-strmap.ads, libgnat/a-strsea.adb: Likewise.
        * libgnat/a-strsea.ads, libgnat/a-strsto.ads: Likewise.
        * libgnat/a-strsup.adb, libgnat/a-strsup.ads: Likewise.
        * libgnat/a-strunb.adb, libgnat/a-strunb.ads: Likewise.
        * libgnat/a-strunb__shared.adb, libgnat/a-strunb__shared.ads: Likewise.
        * libgnat/a-ststbo.adb, libgnat/a-ststbo.ads: Likewise.
        * libgnat/a-ststio.adb, libgnat/a-ststio.ads: Likewise.
        * libgnat/a-ststun.adb, libgnat/a-ststun.ads: Likewise.
        * libgnat/a-sttebu.adb, libgnat/a-stunau.adb: Likewise.
        * libgnat/a-stunau.ads, libgnat/a-stunau__shared.adb: Likewise.
        * libgnat/a-stunha.adb, libgnat/a-stuten.adb: Likewise.
        * libgnat/a-stwibo.adb, libgnat/a-stwibo.ads: Likewise.
        * libgnat/a-stwifi.adb, libgnat/a-stwiha.adb: Likewise.
        * libgnat/a-stwima.adb, libgnat/a-stwima.ads: Likewise.
        * libgnat/a-stwise.adb, libgnat/a-stwise.ads: Likewise.
        * libgnat/a-stwisu.adb, libgnat/a-stwisu.ads: Likewise.
        * libgnat/a-stwiun.adb, libgnat/a-stwiun.ads: Likewise.
        * libgnat/a-stwiun__shared.adb, libgnat/a-stwiun__shared.ads: Likewise.
        * libgnat/a-stzbou.adb, libgnat/a-stzbou.ads: Likewise.
        * libgnat/a-stzfix.adb, libgnat/a-stzhas.adb: Likewise.
        * libgnat/a-stzmap.adb, libgnat/a-stzmap.ads: Likewise.
        * libgnat/a-stzsea.adb, libgnat/a-stzsea.ads: Likewise.
        * libgnat/a-stzsup.adb, libgnat/a-stzsup.ads: Likewise.
        * libgnat/a-stzunb.adb, libgnat/a-stzunb.ads: Likewise.
        * libgnat/a-stzunb__shared.adb, libgnat/a-stzunb__shared.ads: Likewise.
        * libgnat/a-suecin.adb, libgnat/a-suecin.ads: Likewise.
        * libgnat/a-suenco.adb, libgnat/a-suenst.adb: Likewise.
        * libgnat/a-suewst.adb, libgnat/a-suezst.adb: Likewise.
        * libgnat/a-suhcin.adb, libgnat/a-suhcin.ads: Likewise.
        * libgnat/a-sulcin.adb, libgnat/a-sulcin.ads: Likewise.
        * libgnat/a-suteio.adb, libgnat/a-suteio.ads: Likewise.
        * libgnat/a-suteio__shared.adb, libgnat/a-swbwha.adb: Likewise.
        * libgnat/a-swmwco.ads, libgnat/a-swunau.adb: Likewise.
        * libgnat/a-swunau.ads, libgnat/a-swunau__shared.adb: Likewise.
        * libgnat/a-swuwha.adb, libgnat/a-swuwti.adb: Likewise.
        * libgnat/a-swuwti.ads, libgnat/a-swuwti__shared.adb: Likewise.
        * libgnat/a-szbzha.adb, libgnat/a-szmzco.ads: Likewise.
        * libgnat/a-szunau.adb, libgnat/a-szunau.ads: Likewise.
        * libgnat/a-szunau__shared.adb, libgnat/a-szuzha.adb: Likewise.
        * libgnat/a-szuzti.adb, libgnat/a-szuzti.ads: Likewise.
        * libgnat/a-szuzti__shared.adb, libgnat/a-tags.adb: Likewise.
        * libgnat/a-tags.ads, libgnat/a-teioed.adb, libgnat/a-teioed.ads: Likewise.
        * libgnat/a-textio.adb, libgnat/a-textio.ads: Likewise.
        * libgnat/a-tiboio.adb, libgnat/a-ticoau.adb: Likewise.
        * libgnat/a-ticoau.ads, libgnat/a-ticoio.adb: Likewise.
        * libgnat/a-ticoio.ads, libgnat/a-tideau.adb: Likewise.
        * libgnat/a-tideau.ads, libgnat/a-tideio.adb: Likewise.
        * libgnat/a-tideio.ads, libgnat/a-tideio__128.adb: Likewise.
        * libgnat/a-tienau.adb, libgnat/a-tienau.ads: Likewise.
        * libgnat/a-tienio.adb, libgnat/a-tifiau.adb: Likewise.
        * libgnat/a-tifiau.ads, libgnat/a-tifiio.adb: Likewise.
        * libgnat/a-tifiio__128.adb, libgnat/a-tiflau.adb: Likewise.
        * libgnat/a-tiflau.ads, libgnat/a-tiflio.adb: Likewise.
        * libgnat/a-tiflio.ads, libgnat/a-tigeau.adb: Likewise.
        * libgnat/a-tigeau.ads, libgnat/a-tigeli.adb: Likewise.
        * libgnat/a-tiinau.adb, libgnat/a-tiinau.ads: Likewise.
        * libgnat/a-tiinio.adb, libgnat/a-tiinio.ads: Likewise.
        * libgnat/a-tiinio__128.adb, libgnat/a-timoio.adb: Likewise.
        * libgnat/a-timoio.ads, libgnat/a-timoio__128.adb: Likewise.
        * libgnat/a-tiocst.adb, libgnat/a-tiocst.ads: Likewise.
        * libgnat/a-tirsfi.adb, libgnat/a-tirsfi.ads: Likewise.
        * libgnat/a-titest.adb, libgnat/a-undesu.adb: Likewise.
        * libgnat/a-wichha.adb, libgnat/a-wichun.adb: Likewise.
        * libgnat/a-wichun.ads, libgnat/a-witeio.adb: Likewise.
        * libgnat/a-witeio.ads, libgnat/a-wrstfi.adb: Likewise.
        * libgnat/a-wrstfi.ads, libgnat/a-wtcoau.adb: Likewise.
        * libgnat/a-wtcoau.ads, libgnat/a-wtcoio.adb: Likewise.
        * libgnat/a-wtcstr.adb, libgnat/a-wtcstr.ads: Likewise.
        * libgnat/a-wtdeau.adb, libgnat/a-wtdeau.ads: Likewise.
        * libgnat/a-wtdeio.adb, libgnat/a-wtdeio__128.adb: Likewise.
        * libgnat/a-wtedit.adb, libgnat/a-wtedit.ads: Likewise.
        * libgnat/a-wtenau.adb, libgnat/a-wtenau.ads: Likewise.
        * libgnat/a-wtenio.adb, libgnat/a-wtfiau.adb: Likewise.
        * libgnat/a-wtfiau.ads, libgnat/a-wtfiio.adb: Likewise.
        * libgnat/a-wtfiio__128.adb, libgnat/a-wtflau.adb: Likewise.
        * libgnat/a-wtflau.ads, libgnat/a-wtflio.adb: Likewise.
        * libgnat/a-wtgeau.adb, libgnat/a-wtgeau.ads: Likewise.
        * libgnat/a-wtinau.adb, libgnat/a-wtinau.ads: Likewise.
        * libgnat/a-wtinio.adb, libgnat/a-wtinio__128.adb: Likewise.
        * libgnat/a-wtmoio.adb, libgnat/a-wtmoio.ads: Likewise.
        * libgnat/a-wtmoio__128.adb, libgnat/a-wttest.adb: Likewise.
        * libgnat/a-wwboio.adb, libgnat/a-zchhan.adb: Likewise.
        * libgnat/a-zchuni.adb, libgnat/a-zchuni.ads: Likewise.
        * libgnat/a-zrstfi.adb, libgnat/a-zrstfi.ads: Likewise.
        * libgnat/a-ztcoau.adb, libgnat/a-ztcoio.adb: Likewise.
        * libgnat/a-ztcstr.adb, libgnat/a-ztcstr.ads: Likewise.
        * libgnat/a-ztdeau.adb, libgnat/a-ztdeau.ads: Likewise.
        * libgnat/a-ztdeio.adb, libgnat/a-ztdeio__128.adb: Likewise.
        * libgnat/a-ztedit.adb, libgnat/a-ztedit.ads: Likewise.
        * libgnat/a-ztenau.adb, libgnat/a-ztenau.ads: Likewise.
        * libgnat/a-ztenio.adb, libgnat/a-ztexio.adb: Likewise.
        * libgnat/a-ztexio.ads, libgnat/a-ztfiau.adb: Likewise.
        * libgnat/a-ztfiau.ads, libgnat/a-ztfiio.adb: Likewise.
        * libgnat/a-ztfiio__128.adb, libgnat/a-ztflau.adb: Likewise.
        * libgnat/a-ztflau.ads, libgnat/a-ztflio.adb: Likewise.
        * libgnat/a-ztgeau.adb, libgnat/a-ztgeau.ads: Likewise.
        * libgnat/a-ztinau.adb, libgnat/a-ztinau.ads: Likewise.
        * libgnat/a-ztinio.adb, libgnat/a-ztinio__128.adb: Likewise.
        * libgnat/a-ztmoio.adb, libgnat/a-ztmoio__128.adb: Likewise.
        * libgnat/a-zttest.adb, libgnat/a-zzboio.adb: Likewise.
        * libgnat/g-allein.ads, libgnat/g-alleve.adb: Likewise.
        * libgnat/g-alleve.ads, libgnat/g-alleve__hard.adb: Likewise.
        * libgnat/g-alleve__hard.ads, libgnat/g-altcon.adb: Likewise.
        * libgnat/g-altcon.ads, libgnat/g-altive.ads: Likewise.
        * libgnat/g-alveop.adb, libgnat/g-alveop.ads: Likewise.
        * libgnat/g-alvety.ads, libgnat/g-alvevi.ads: Likewise.
        * libgnat/g-arrspl.adb, libgnat/g-arrspl.ads, libgnat/g-awk.adb: Likewise.
        * libgnat/g-awk.ads, libgnat/g-binenv.adb, libgnat/g-binenv.ads: Likewise.
        * libgnat/g-binsea.adb, libgnat/g-binsea.ads: Likewise.
        * libgnat/g-brapre.ads, libgnat/g-bubsor.adb: Likewise.
        * libgnat/g-bubsor.ads, libgnat/g-busora.adb: Likewise.
        * libgnat/g-busora.ads, libgnat/g-busorg.adb: Likewise.
        * libgnat/g-busorg.ads, libgnat/g-byorma.adb: Likewise.
        * libgnat/g-byorma.ads, libgnat/g-bytswa.adb: Likewise.
        * libgnat/g-bytswa.ads, libgnat/g-calend.adb: Likewise.
        * libgnat/g-calend.ads, libgnat/g-casuti.adb: Likewise.
        * libgnat/g-casuti.ads, libgnat/g-catiio.adb: Likewise.
        * libgnat/g-catiio.ads, libgnat/g-cgi.adb, libgnat/g-cgi.ads: Likewise.
        * libgnat/g-cgicoo.adb, libgnat/g-cgicoo.ads: Likewise.
        * libgnat/g-cgideb.adb, libgnat/g-cgideb.ads: Likewise.
        * libgnat/g-comlin.adb, libgnat/g-comlin.ads: Likewise.
        * libgnat/g-comver.adb, libgnat/g-comver.ads: Likewise.
        * libgnat/g-cppexc.adb, libgnat/g-cppexc.ads, libgnat/g-crc32.adb: Likewise.
        * libgnat/g-crc32.ads, libgnat/g-ctrl_c.adb, libgnat/g-ctrl_c.ads: Likewise.
        * libgnat/g-curexc.ads, libgnat/g-debpoo.adb: Likewise.
        * libgnat/g-debpoo.ads, libgnat/g-debuti.adb: Likewise.
        * libgnat/g-debuti.ads, libgnat/g-decstr.adb: Likewise.
        * libgnat/g-decstr.ads, libgnat/g-deutst.ads: Likewise.
        * libgnat/g-diopit.adb, libgnat/g-diopit.ads: Likewise.
        * libgnat/g-dirope.adb, libgnat/g-dirope.ads: Likewise.
        * libgnat/g-dynhta.adb, libgnat/g-dynhta.ads: Likewise.
        * libgnat/g-dyntab.adb, libgnat/g-dyntab.ads: Likewise.
        * libgnat/g-eacodu.adb, libgnat/g-encstr.adb: Likewise.
        * libgnat/g-encstr.ads, libgnat/g-enutst.ads: Likewise.
        * libgnat/g-excact.adb, libgnat/g-excact.ads: Likewise.
        * libgnat/g-except.ads, libgnat/g-exctra.adb: Likewise.
        * libgnat/g-exctra.ads, libgnat/g-expect.adb: Likewise.
        * libgnat/g-expect.ads, libgnat/g-exptty.adb: Likewise.
        * libgnat/g-exptty.ads, libgnat/g-flocon.ads: Likewise.
        * libgnat/g-forstr.adb, libgnat/g-forstr.ads: Likewise.
        * libgnat/g-gfmafu.ads, libgnat/g-graphs.adb: Likewise.
        * libgnat/g-graphs.ads, libgnat/g-heasor.adb: Likewise.
        * libgnat/g-heasor.ads, libgnat/g-hesora.adb: Likewise.
        * libgnat/g-hesora.ads, libgnat/g-hesorg.adb: Likewise.
        * libgnat/g-hesorg.ads, libgnat/g-htable.adb: Likewise.
        * libgnat/g-htable.ads, libgnat/g-io.adb, libgnat/g-io.ads: Likewise.
        * libgnat/g-io_aux.adb, libgnat/g-io_aux.ads, libgnat/g-lists.adb: Likewise.
        * libgnat/g-lists.ads, libgnat/g-locfil.adb, libgnat/g-locfil.ads: Likewise.
        * libgnat/g-mbdira.adb, libgnat/g-mbdira.ads: Likewise.
        * libgnat/g-mbflra.adb, libgnat/g-mbflra.ads, libgnat/g-md5.adb: Likewise.
        * libgnat/g-md5.ads, libgnat/g-memdum.adb, libgnat/g-memdum.ads: Likewise.
        * libgnat/g-moreex.adb, libgnat/g-moreex.ads: Likewise.
        * libgnat/g-os_lib.adb, libgnat/g-os_lib.ads: Likewise.
        * libgnat/g-pehage.adb, libgnat/g-pehage.ads: Likewise.
        * libgnat/g-rannum.adb, libgnat/g-rannum.ads: Likewise.
        * libgnat/g-regexp.adb, libgnat/g-regexp.ads: Likewise.
        * libgnat/g-regist.adb, libgnat/g-regist.ads: Likewise.
        * libgnat/g-regpat.adb, libgnat/g-regpat.ads: Likewise.
        * libgnat/g-rewdat.adb, libgnat/g-rewdat.ads: Likewise.
        * libgnat/g-sechas.adb, libgnat/g-sechas.ads: Likewise.
        * libgnat/g-sehamd.adb, libgnat/g-sehamd.ads: Likewise.
        * libgnat/g-sehash.adb, libgnat/g-sehash.ads: Likewise.
        * libgnat/g-sercom.adb, libgnat/g-sercom.ads: Likewise.
        * libgnat/g-sercom__linux.adb, libgnat/g-sercom__mingw.adb: Likewise.
        * libgnat/g-sestin.ads, libgnat/g-sets.adb, libgnat/g-sets.ads: Likewise.
        * libgnat/g-sha1.adb, libgnat/g-sha1.ads, libgnat/g-sha224.ads: Likewise.
        * libgnat/g-sha256.ads, libgnat/g-sha384.ads: Likewise.
        * libgnat/g-sha512.ads, libgnat/g-shsh32.adb: Likewise.
        * libgnat/g-shsh32.ads, libgnat/g-shsh64.adb: Likewise.
        * libgnat/g-shsh64.ads, libgnat/g-shshco.adb: Likewise.
        * libgnat/g-shshco.ads, libgnat/g-soccon.ads: Likewise.
        * libgnat/g-socket.adb, libgnat/g-socket.ads: Likewise.
        * libgnat/g-socket__dummy.adb, libgnat/g-socket__dummy.ads: Likewise.
        * libgnat/g-socpol.adb, libgnat/g-socpol.ads: Likewise.
        * libgnat/g-socpol__dummy.adb, libgnat/g-socpol__dummy.ads: Likewise.
        * libgnat/g-socthi.adb, libgnat/g-socthi.ads: Likewise.
        * libgnat/g-socthi__dummy.adb, libgnat/g-socthi__dummy.ads: Likewise.
        * libgnat/g-socthi__mingw.adb, libgnat/g-socthi__mingw.ads: Likewise.
        * libgnat/g-socthi__vxworks.adb, libgnat/g-socthi__vxworks.ads: Likewise.
        * libgnat/g-soliop.ads, libgnat/g-soliop__lynxos.ads: Likewise.
        * libgnat/g-soliop__mingw.ads, libgnat/g-soliop__qnx.ads: Likewise.
        * libgnat/g-soliop__solaris.ads, libgnat/g-sopowa.adb: Likewise.
        * libgnat/g-sopowa__mingw.adb, libgnat/g-sopowa__posix.adb: Likewise.
        * libgnat/g-sothco.adb, libgnat/g-sothco.ads: Likewise.
        * libgnat/g-sothco__dummy.adb, libgnat/g-sothco__dummy.ads: Likewise.
        * libgnat/g-souinf.ads, libgnat/g-spchge.adb: Likewise.
        * libgnat/g-spchge.ads, libgnat/g-speche.adb: Likewise.
        * libgnat/g-speche.ads, libgnat/g-spipat.adb: Likewise.
        * libgnat/g-spipat.ads, libgnat/g-spitbo.adb: Likewise.
        * libgnat/g-spitbo.ads, libgnat/g-spogwa.adb: Likewise.
        * libgnat/g-spogwa.ads, libgnat/g-sptabo.ads: Likewise.
        * libgnat/g-sptain.ads, libgnat/g-sptavs.ads, libgnat/g-sse.ads: Likewise.
        * libgnat/g-ssvety.ads, libgnat/g-sthcso.adb: Likewise.
        * libgnat/g-stheme.adb, libgnat/g-strhas.ads: Likewise.
        * libgnat/g-string.adb, libgnat/g-string.ads: Likewise.
        * libgnat/g-strspl.ads, libgnat/g-stseme.adb: Likewise.
        * libgnat/g-stsifd__sockets.adb, libgnat/g-table.adb: Likewise.
        * libgnat/g-table.ads, libgnat/g-tasloc.adb, libgnat/g-tasloc.ads: Likewise.
        * libgnat/g-timsta.adb, libgnat/g-timsta.ads: Likewise.
        * libgnat/g-traceb.adb, libgnat/g-traceb.ads: Likewise.
        * libgnat/g-trasym.adb, libgnat/g-trasym.ads, libgnat/g-tty.adb: Likewise.
        * libgnat/g-tty.ads, libgnat/g-u3spch.adb, libgnat/g-u3spch.ads: Likewise.
        * libgnat/g-utf_32.adb, libgnat/g-utf_32.ads: Likewise.
        * libgnat/g-wispch.adb, libgnat/g-wispch.ads: Likewise.
        * libgnat/g-wistsp.ads, libgnat/g-zspche.adb: Likewise.
        * libgnat/g-zspche.ads, libgnat/g-zstspl.ads, libgnat/gnat.ads: Likewise.
        * libgnat/i-c.adb, libgnat/i-cexten.ads: Likewise.
        * libgnat/i-cexten__128.ads, libgnat/i-cobol.adb: Likewise.
        * libgnat/i-cobol.ads, libgnat/i-cpoint.adb, libgnat/i-cpoint.ads: Likewise.
        * libgnat/i-cstrea.adb, libgnat/i-cstrea.ads: Likewise.
        * libgnat/i-cstrin.adb, libgnat/i-cstrin.ads: Likewise.
        * libgnat/i-fortra.adb, libgnat/i-pacdec.adb: Likewise.
        * libgnat/i-pacdec.ads, libgnat/i-vxwoio.adb: Likewise.
        * libgnat/i-vxwoio.ads, libgnat/i-vxwork.ads: Likewise.
        * libgnat/i-vxwork__x86.ads, libgnat/interfac.ads: Likewise.
        * libgnat/interfac__2020.ads, libgnat/memtrack.adb: Likewise.
        * libgnat/s-addima.adb, libgnat/s-addima.ads: Likewise.
        * libgnat/s-addope.adb, libgnat/s-addope.ads: Likewise.
        * libgnat/s-aoinar.adb, libgnat/s-aoinar.ads: Likewise.
        * libgnat/s-aomoar.adb, libgnat/s-aomoar.ads: Likewise.
        * libgnat/s-aotase.adb, libgnat/s-aotase.ads: Likewise.
        * libgnat/s-aridou.adb, libgnat/s-aridou.ads: Likewise.
        * libgnat/s-arit128.adb, libgnat/s-arit128.ads: Likewise.
        * libgnat/s-arit32.adb, libgnat/s-arit32.ads: Likewise.
        * libgnat/s-arit64.adb, libgnat/s-arit64.ads: Likewise.
        * libgnat/s-assert.adb, libgnat/s-assert.ads: Likewise.
        * libgnat/s-atacco.adb, libgnat/s-atacco.ads: Likewise.
        * libgnat/s-atocou.adb, libgnat/s-atocou.ads: Likewise.
        * libgnat/s-atocou__builtin.adb, libgnat/s-atoope.ads: Likewise.
        * libgnat/s-atopex.adb, libgnat/s-atopex.ads: Likewise.
        * libgnat/s-atopri.adb, libgnat/s-atopri.ads: Likewise.
        * libgnat/s-auxdec.adb, libgnat/s-auxdec.ads: Likewise.
        * libgnat/s-bignum.adb, libgnat/s-bignum.ads: Likewise.
        * libgnat/s-bitfie.ads, libgnat/s-bitops.adb: Likewise.
        * libgnat/s-bitops.ads, libgnat/s-bituti.adb: Likewise.
        * libgnat/s-bituti.ads, libgnat/s-boarop.ads: Likewise.
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        * libgnat/s-caun128.ads, libgnat/s-caun16.adb: Likewise.
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        * libgnat/s-soliin.ads, libgnat/s-spark.ads, libgnat/s-spcuop.adb: Likewise.
        * libgnat/s-spcuop.ads, libgnat/s-spsufi.adb: Likewise.
        * libgnat/s-spsufi.ads, libgnat/s-stache.adb: Likewise.
        * libgnat/s-stache.ads, libgnat/s-stalib.adb: Likewise.
        * libgnat/s-stalib.ads, libgnat/s-statxd.adb: Likewise.
        * libgnat/s-statxd.ads, libgnat/s-stausa.adb: Likewise.
        * libgnat/s-stausa.ads, libgnat/s-stchop.adb: Likewise.
        * libgnat/s-stchop.ads, libgnat/s-stchop__limit.ads: Likewise.
        * libgnat/s-stchop__vxworks.adb, libgnat/s-stoele.adb: Likewise.
        * libgnat/s-stoele.ads, libgnat/s-stopoo.adb: Likewise.
        * libgnat/s-stopoo.ads, libgnat/s-stposu.adb: Likewise.
        * libgnat/s-stposu.ads, libgnat/s-stratt.adb: Likewise.
        * libgnat/s-stratt.ads, libgnat/s-strcom.adb: Likewise.
        * libgnat/s-strcom.ads, libgnat/s-strhas.adb: Likewise.
        * libgnat/s-strhas.ads, libgnat/s-string.adb: Likewise.
        * libgnat/s-string.ads, libgnat/s-ststop.adb: Likewise.
        * libgnat/s-ststop.ads, libgnat/s-tasloc.adb: Likewise.
        * libgnat/s-tasloc.ads, libgnat/s-traceb.adb: Likewise.
        * libgnat/s-traceb.ads, libgnat/s-traceb__hpux.adb: Likewise.
        * libgnat/s-traceb__mastop.adb, libgnat/s-traent.adb: Likewise.
        * libgnat/s-traent.ads, libgnat/s-trasym.adb: Likewise.
        * libgnat/s-trasym.ads, libgnat/s-trasym__dwarf.adb: Likewise.
        * libgnat/s-tsmona.adb, libgnat/s-tsmona__linux.adb: Likewise.
        * libgnat/s-tsmona__mingw.adb, libgnat/s-unstyp.ads: Likewise.
        * libgnat/s-utf_32.adb, libgnat/s-utf_32.ads: Likewise.
        * libgnat/s-vade128.ads, libgnat/s-vade32.ads: Likewise.
        * libgnat/s-vade64.ads, libgnat/s-vaen16.ads: Likewise.
        * libgnat/s-vaen32.ads, libgnat/s-vaenu8.ads: Likewise.
        * libgnat/s-vafi128.ads, libgnat/s-vafi32.ads: Likewise.
        * libgnat/s-vafi64.ads, libgnat/s-vaispe.adb: Likewise.
        * libgnat/s-vaispe.ads, libgnat/s-valboo.adb: Likewise.
        * libgnat/s-valboo.ads, libgnat/s-valcha.adb: Likewise.
        * libgnat/s-valcha.ads, libgnat/s-valflt.ads: Likewise.
        * libgnat/s-valint.adb, libgnat/s-valint.ads: Likewise.
        * libgnat/s-vallfl.ads, libgnat/s-valllf.ads: Likewise.
        * libgnat/s-vallli.adb, libgnat/s-vallli.ads: Likewise.
        * libgnat/s-valllli.ads, libgnat/s-vallllu.ads: Likewise.
        * libgnat/s-valllu.adb, libgnat/s-valllu.ads: Likewise.
        * libgnat/s-valrea.adb, libgnat/s-valrea.ads: Likewise.
        * libgnat/s-valued.adb, libgnat/s-valued.ads: Likewise.
        * libgnat/s-valuef.adb, libgnat/s-valuef.ads: Likewise.
        * libgnat/s-valuei.adb, libgnat/s-valuei.ads: Likewise.
        * libgnat/s-valuen.adb, libgnat/s-valuen.ads: Likewise.
        * libgnat/s-valuer.adb, libgnat/s-valuer.ads: Likewise.
        * libgnat/s-valueu.adb, libgnat/s-valueu.ads: Likewise.
        * libgnat/s-valuns.adb, libgnat/s-valuns.ads: Likewise.
        * libgnat/s-valuti.adb, libgnat/s-valuti.ads: Likewise.
        * libgnat/s-valwch.adb, libgnat/s-valwch.ads: Likewise.
        * libgnat/s-vauspe.adb, libgnat/s-vauspe.ads: Likewise.
        * libgnat/s-veboop.adb, libgnat/s-veboop.ads: Likewise.
        * libgnat/s-vector.ads, libgnat/s-vercon.adb: Likewise.
        * libgnat/s-vercon.ads, libgnat/s-wchcnv.adb: Likewise.
        * libgnat/s-wchcnv.ads, libgnat/s-wchcon.adb: Likewise.
        * libgnat/s-wchcon.ads, libgnat/s-wchjis.adb: Likewise.
        * libgnat/s-wchjis.ads, libgnat/s-wchstw.adb: Likewise.
        * libgnat/s-wchstw.ads, libgnat/s-wchwts.adb: Likewise.
        * libgnat/s-wchwts.ads, libgnat/s-widboo.adb: Likewise.
        * libgnat/s-widboo.ads, libgnat/s-widcha.adb: Likewise.
        * libgnat/s-widcha.ads, libgnat/s-widenu.adb: Likewise.
        * libgnat/s-widenu.ads, libgnat/s-widint.ads: Likewise.
        * libgnat/s-widlli.adb, libgnat/s-widlli.ads: Likewise.
        * libgnat/s-widllli.ads, libgnat/s-widlllu.ads: Likewise.
        * libgnat/s-widllu.adb, libgnat/s-widllu.ads: Likewise.
        * libgnat/s-widthi.adb, libgnat/s-widthi.ads: Likewise.
        * libgnat/s-widthu.adb, libgnat/s-widthu.ads: Likewise.
        * libgnat/s-widuns.ads, libgnat/s-widwch.adb: Likewise.
        * libgnat/s-widwch.ads, libgnat/s-win32.ads, libgnat/s-winext.ads: Likewise.
        * libgnat/s-wwdcha.adb, libgnat/s-wwdcha.ads: Likewise.
        * libgnat/s-wwdenu.adb, libgnat/s-wwdenu.ads: Likewise.
        * libgnat/s-wwdwch.adb, libgnat/s-wwdwch.ads: Likewise.
        * libgnat/system-aix.ads, libgnat/system-darwin-arm.ads: Likewise.
        * libgnat/system-darwin-ppc.ads, libgnat/system-darwin-x86.ads: Likewise.
        * libgnat/system-djgpp.ads, libgnat/system-dragonfly-x86_64.ads: Likewise.
        * libgnat/system-freebsd.ads, libgnat/system-hpux-ia64.ads: Likewise.
        * libgnat/system-hpux.ads, libgnat/system-linux-alpha.ads: Likewise.
        * libgnat/system-linux-arm.ads, libgnat/system-linux-hppa.ads: Likewise.
        * libgnat/system-linux-ia64.ads, libgnat/system-linux-m68k.ads: Likewise.
        * libgnat/system-linux-mips.ads, libgnat/system-linux-ppc.ads: Likewise.
        * libgnat/system-linux-riscv.ads, libgnat/system-linux-s390.ads: Likewise.
        * libgnat/system-linux-sh4.ads, libgnat/system-linux-sparc.ads: Likewise.
        * libgnat/system-linux-x86.ads, libgnat/system-lynxos178-ppc.ads: Likewise.
        * libgnat/system-lynxos178-x86.ads, libgnat/system-mingw.ads: Likewise.
        * libgnat/system-qnx-arm.ads, libgnat/system-rtems.ads: Likewise.
        * libgnat/system-solaris-sparc.ads: Likewise.
        * libgnat/system-solaris-x86.ads: Likewise.
        * libgnat/system-vxworks-ppc-kernel.ads: Likewise.
        * libgnat/system-vxworks-ppc-rtp-smp.ads: Likewise.
        * libgnat/system-vxworks-ppc-rtp.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-ppc-kernel.ads: Likewise.
        * libgnat/system-vxworks7-ppc-rtp-smp.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_64-kernel.ads: Likewise.
        * libgnat/system-vxworks7-x86_64-rtp-smp.ads, link.c, live.adb: Likewise.
        * live.ads, locales.c, make.adb, make.ads, make_util.adb: Likewise.
        * make_util.ads, makeusg.adb, makeusg.ads, mdll-fil.adb: Likewise.
        * mdll-fil.ads, mdll-utl.adb, mdll-utl.ads, mdll.adb, mdll.ads: Likewise.
        * mingw32.h, mkdir.c, namet-sp.adb, namet-sp.ads, namet.adb: Likewise.
        * namet.ads, namet.h, nlists.adb, nlists.ads, nlists.h, opt.adb: Likewise.
        * opt.ads, osint-b.adb, osint-b.ads, osint-c.adb, osint-c.ads: Likewise.
        * osint-l.adb, osint-l.ads, osint-m.adb, osint-m.ads, osint.adb: Likewise.
        * osint.ads, output.adb, output.ads, par-ch10.adb, par-ch11.adb: Likewise.
        * par-ch12.adb, par-ch13.adb, par-ch2.adb, par-ch3.adb: Likewise.
        * par-ch4.adb, par-ch5.adb, par-ch6.adb, par-ch7.adb, par-ch8.adb: Likewise.
        * par-ch9.adb, par-endh.adb, par-labl.adb, par-load.adb: Likewise.
        * par-prag.adb, par-sync.adb, par-tchk.adb, par-util.adb, par.adb: Likewise.
        * par.ads, par_sco.adb, par_sco.ads: Likewise.
        * pprint.adb, pprint.ads, prep.adb, prep.ads: Likewise.
        * prepcomp.adb, prepcomp.ads, put_scos.adb, put_scos.ads: Likewise.
        * raise-gcc.c, raise.c, raise.h, repinfo-input.adb: Likewise.
        * repinfo-input.ads, repinfo.adb, repinfo.ads, repinfo.h: Likewise.
        * restrict.adb, restrict.ads, rident.ads, rtfinal.c, rtinit.c: Likewise.
        * rtsfind.adb, rtsfind.ads, runtime.h, s-oscons-tmplt.c: Likewise.
        * scans.adb, scans.ads, scil_ll.adb, scil_ll.ads, scn.adb: Likewise.
        * scn.ads, scng.adb, scng.ads, scos.adb, scos.ads: Likewise.
        * scos.h, sdefault.ads, seh_init.c, sem.adb, sem.ads: Likewise.
        * sem_aggr.adb, sem_aggr.ads, sem_attr.adb, sem_attr.ads: Likewise.
        * sem_aux.adb, sem_aux.ads, sem_case.adb, sem_case.ads: Likewise.
        * sem_cat.adb, sem_cat.ads, sem_ch10.adb, sem_ch10.ads: Likewise.
        * sem_ch11.adb, sem_ch11.ads, sem_ch12.adb, sem_ch12.ads: Likewise.
        * sem_ch13.adb, sem_ch13.ads, sem_ch2.adb, sem_ch2.ads: Likewise.
        * sem_ch3.adb, sem_ch3.ads, sem_ch4.adb, sem_ch4.ads, sem_ch5.adb: Likewise.
        * sem_ch5.ads, sem_ch6.adb, sem_ch6.ads, sem_ch7.adb, sem_ch7.ads: Likewise.
        * sem_ch8.adb, sem_ch8.ads, sem_ch9.adb, sem_ch9.ads, sem_dim.adb: Likewise.
        * sem_dim.ads, sem_disp.adb, sem_disp.ads, sem_dist.adb: Likewise.
        * sem_dist.ads, sem_elab.adb, sem_elab.ads, sem_elim.adb: Likewise.
        * sem_elim.ads, sem_eval.adb, sem_eval.ads, sem_intr.adb: Likewise.
        * sem_intr.ads, sem_mech.adb, sem_mech.ads, sem_prag.adb: Likewise.
        * sem_prag.ads, sem_res.adb, sem_res.ads, sem_scil.adb: Likewise.
        * sem_scil.ads, sem_smem.adb, sem_smem.ads, sem_type.adb: Likewise.
        * sem_type.ads, sem_util.adb, sem_util.ads, sem_warn.adb: Likewise.
        * sem_warn.ads, set_targ.adb, set_targ.ads, sfn_scan.adb: Likewise.
        * sfn_scan.ads, sigtramp-arm-qnx.c, sigtramp-armdroid.c: Likewise.
        * sigtramp-ios.c, sigtramp-qnx.c: Likewise.
        * sigtramp-vxworks-target.h, sigtramp-vxworks.c, sigtramp.h: Likewise.
        * sinfo-cn.adb, sinfo-cn.ads, sinfo-utils.adb, sinfo-utils.ads: Likewise.
        * sinfo.adb, sinfo.ads, sinput-c.adb, sinput-c.ads, sinput-d.adb: Likewise.
        * sinput-d.ads, sinput-l.adb, sinput-l.ads, sinput.adb: Likewise.
        * sinput.ads, socket.c, spark_xrefs.adb, spark_xrefs.ads: Likewise.
        * sprint.adb, sprint.ads, stand.ads: Likewise.
        * stringt.adb, stringt.ads, stringt.h, strub.adb, strub.ads: Likewise.
        * style.adb, style.ads, styleg.adb, styleg.ads, stylesw.adb: Likewise.
        * stylesw.ads, switch-b.adb, switch-b.ads, switch-c.adb: Likewise.
        * switch-c.ads, switch-m.adb, switch-m.ads, switch.adb: Likewise.
        * switch.ads, sysdep.c, table.adb: Likewise.
        * table.ads, targext.c, targparm.adb, targparm.ads, tbuild.adb: Likewise.
        * tbuild.ads, tempdir.adb, tempdir.ads, terminals.c, tracebak.c: Likewise.
        * treepr.adb, treepr.ads, ttypes.ads, types.adb, types.ads: Likewise.
        * types.h, uintp.adb, uintp.ads, uintp.h, uname.adb, uname.ads: Likewise.
        * urealp.adb, urealp.ads, urealp.h, usage.adb, usage.ads: Likewise.
        * validsw.adb, validsw.ads, vast.adb, vast.ads, warnsw.adb: Likewise.
        * warnsw.ads, widechar.adb, widechar.ads, xoscons.adb: Likewise.
        * xsnamest.adb, xutil.adb, xutil.ads, gnatvsn.adb: Likewise.
        * gnatvsn.ads (Current_Year): Likewise and bump to 2023.

2023-01-09  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch7.adb (Make_Adjust_Call): Remove unreachable statement.
        (Make_Final_Call): Likewise.

2023-01-09  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_util.ads (Is_Tag_To_Class_Wide_Conversion): Delete.
        (Is_Displacement_Of_Object_Or_Function_Result): Likewise.
        * exp_util.adb (Is_Tag_To_Class_Wide_Conversion): Rename to...
        (Is_Temporary_For_Interface_Object): ...this.
        (Is_Finalizable_Transient): Adjust call to above renaming.
        (Is_Displacement_Of_Object_Or_Function_Result): Delete.
        (Requires_Cleanup_Actions): Remove special handling of the
        temporaries created for interface objects.
        * exp_ch7.adb (Build_Finalizer): Likewise.

2023-01-07  LIU Hao  <lh_mouse@126.com>

        PR middle-end/108300
        * adaint.c: Define `WIN32_LEAN_AND_MEAN` before `#include
        <windows.h>`.
        * cio.c: Likewise.
        * ctrl_c.c: Likewise.
        * expect.c: Likewise.
        * gsocket.h: Likewise.
        * mingw32.h: Likewise.
        * mkdir.c: Likewise.
        * rtfinal.c: Likewise.
        * rtinit.c: Likewise.
        * seh_init.c: Likewise.
        * sysdep.c: Likewise.
        * terminals.c: Likewise.
        * tracebak.c: Likewise.

2023-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_util.adb (Make_CW_Equivalent_Type) <Has_Tag_Of_Type>: Tweak.

2023-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): Rewrite the end of the
        handling of objects with (class-wide) interface type by using the
        same idiom as the other cases generating a renaming.
        * exp_util.adb (Is_Displacement_Of_Object_Or_Function_Result): Tweak
        pattern matching code and exclude special return objects.
        (Requires_Cleanup_Actions): Adjust comment.
        * exp_ch7.adb (Build_Finalizer): Likewise.

2023-01-05  Piotr Trojanek  <trojanek@adacore.com>

        * freeze.adb (Build_Renamed_Body): Rewrite subprogram renaming to
        subprogram declaration early and then set the Body_To_Inling flag.

2023-01-05  Piotr Trojanek  <trojanek@adacore.com>

        * freeze.adb (Build_Renamed_Body): Revert a special case for
        GNATprove; remove unnecessary initialization of a local variable.

2023-01-05  Marc Poulhiès  <poulhies@adacore.com>

        * sem_ch12.adb (Instantiate_Package_Body): Better filtering when
        installing parent on the scope stack.

2023-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * repinfo.ads (The JSON output format): Document change.
        * urealp.adb (UR_Write_To_JSON): Output a fraction instead of a
        decimal approximation.

2023-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): New local variable
        Func_Id holding the function for a special return object.
        Use a direct renaming in the class-wide case when the initializing
        expression is a captured function call, except for a special return
        object when the two functions do not return on the same stack.
        Apply the accessibility check for class-wide special return objects.
        * exp_util.adb (Make_CW_Equivalent_Type) <Has_Tag_Of_Type>: New.
        Do not force a dispatching call to the primitive operation _Size if
        the expression is known to statically have the tag of its type.

2023-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): Fix pasto in comment.

2023-01-05  Ronan Desplanques  <desplanques@adacore.com>

        * sem_aggr.adb (Resolve_Array_Aggregate): Tweak conditions for
        warning about use of parentheses for array aggregates.

2023-01-05  Javier Miranda  <miranda@adacore.com>

        * scans.ads (Tok_Left_Curly_Bracket, Tok_Right_Curly_Bracket)
        (Tok_Left_Interpolated_String): Placed in no category since they
        don't fit well in the existing categories. Fix typo in comment.
        (Inside_Interpolated_String_Literal): New scan state variable.
        * scng.adb (Slit): Scan interpolated string literals,
        continuations of interpolated string literals and escaped
        characters found in interpolated string literals.
        (Scan): Handle consecutive interpolated expressions. Handle ending
        delimiter placed immediately after an interpolated expression.
        Handle string literal placed after interpolated expression. Handle
        left and right curly brackets; when extensions are not allowed
        they are treated as left and right paren; when extensions are
        allowed they are handled as delimiters of interpolated string
        literals.
        * sinfo.ads (N_Interpolated_String_Literal): New node.
        * gen_il-gen-gen_nodes.adb (N_Interpolated_String_Literal): Define
        N_String_Literal node.
        * gen_il-types.ads (Opt_Type_Enum): Define N_String_Literal as
        concrete node type.
        * par-ch2.adb (P_Interpolated_String_Literal): New subprogram.
        * par-ch4.adb (P_Simple_Expression): Handle '}' as expression
        terminator when scanning an interpolated expression; disable error
        recovery machinery for binary operator when we are processing an
        interpolated string literal and reach the expression terminator
        '}'.
        (P_Primary): Call P_Interpolated_String_Literal when the opening
        interpolated-string-literal delimiter is found (that is, the left
        curly bracket '{').
        * par-tchk.adb (T_Right_Curly_Bracket): New subprogram.
        * par.adb (P_Interpolated_String_Literal): New declaration.
        (T_Right_Curly_Bracket): New declaration.
        * sem.adb (Analyze): Call Analyze_Interpolated_String_Literal.
        * sem_ch2.ads (Analyze_Interpolated_String_Literal): New
        subprogram
        * sem_ch2.adb (Analyze_Interpolated_String_Literal): Likewise.
        * sem_util.adb (Is_User_Defined_Literal): Complete mapping of
        literal aspects adding that interpolated string literals have no
        correspondence with any aspect.
        * sem_res.adb (Resolve_Interpolated_String_Literal): New
        subprogram.
        (Has_Applicable_User_Defined_Literal): Complete mapping of literal
        aspects adding that interpolated string literals have no
        correspondency with any aspect.
        * expander.adb (Expand): Add call to
        Expand_N_Interpolated_String_Literal.
        * exp_util.adb (Insert_Actions): Handle
        N_Interpolated_String_Literal nodes; that is, continue climbing.
        * exp_ch2.ads (Expand_N_Interpolated_String_Literal): New
        subprogram.
        * exp_ch2.adb (Expand_N_Interpolated_String_Literal): Likewise.
        * exp_put_image.adb (Build_Elementary_Put_Image_Call): Add missing
        conversion to force dispatching call. Required to handle calls to
        descendants.
        (Build_String_Put_Image_Call): Do not output string delimiters
        when the put_image call is part of an interpolated string literal.
        * rtsfind.ads (RTU_Id): Add RE_Set_Trim_Leading_Spaces.
        * sprint.adb (Sprint_Node): Output interpolated string contents.
        * libgnat/a-stbubo.adb (Get_UTF_8): Add default value for
        Trim_Leading_White_Spaces component in aggregate.
        (Buffer_Type_Implementation): Update Trim_Leading_White_Spaces.
        * libgnat/a-stbuun.adb (Get_UTF_8): Likewise.
        (Buffer_Type_Implementation): Likewise.
        * libgnat/a-sttebu.ads (Set_Trim_Leading_Spaces): New subprogram.
        (Trim_Leading_Spaces): New subprogram.
        (Root_Buffer_Type): Adding Trim_Leading_While_Spaces component.
        * libgnat/a-sttebu.adb (procedure Set_Trim_Leading_Spaces): New
        subprogram.
        (Trim_Leading_Space): New subprogram.
        (Put_UTF_8): Handle Trim_Leading_White_Spaces.
        (New_Line): Likewise.
        * libgnat/s-putima.ads (Put_Image_String): Adding formal
        (with_delimiters).
        (Put_Image_Wide_String): Likewise.
        (Put_Image_Wide_Wide_String): Likewise.
        * libgnat/s-putima.adb (Put_Image_String): Adding support for new
        formal.
        (Put_Image_Wide_String): Likewise.
        (Put_Image_Wide_Wide_String): Likewise.

2023-01-05  Joao Azevedo  <azevedo@adacore.com>

        * doc/gnat_ugn/gnat_utility_programs.rst: add gnatpp --layout
        switch and update legacy switches.

2023-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * freeze.adb (Freeze_Entity): For the purpose of deciding whether to
        freeze an entity coming from an outer scope in an inner scope, treat
        the internal subprogram generated because of post-conditions as also
        coming from source if the original subprogram itself does.

2023-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * contracts.adb (Build_Subprogram_Contract_Wrapper): Generate an
        extended return statement in all cases.
        (Expand_Subprogram_Contract): Adjust comment.

2023-01-05  Ronan Desplanques  <desplanques@adacore.com>

        * libgnat/g-forstr.adb (F_Kind): Rename enumeration literal.
        (P_Flt_Format): Adjust handling of "%g".
        (Determine_Notation_And_Aft): New procedure.
        (Decimal_Exponent): New function.
        (Increment_Integral_Part): New procedure.
        (Remove_Extraneous_Decimal_Digit): New procedure.
        (Trim_Fractional_Part): New procedure.
        * libgnat/g-forstr.ads: Change description of "%g" specifier.

2023-01-05  Marc Poulhiès  <poulhies@adacore.com>

        * sem_ch12.adb (Instantiate_Package_Body): Correctly find the
        parent instance to place on the scope stack.

2023-01-05  Justin Squirek  <squirek@adacore.com>

        * sem_ch8.adb (Set_Entity_Or_Discriminal): Verify we are actually
        resetting the entity field of a non-prefixed discriminant
        reference.

2023-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): New local variable used
        throughout instead of testing Is_Special_Return_Object every time.
        Do not rename an OK_To_Rename object for a special return object.
        * exp_ch4.adb (Expand_Concatenate): Revert to constrained allocation
        if the result is allocated on the secondary stack.

2023-01-05  Steve Baird  <baird@adacore.com>

        * sem_prag.adb (Analyze_Pragma): Fix Is_Configuration_Pragma
        function to handle case where the pragma's parent is an
        N_Aspect_Specification node. In analyzing a Discard_Names pragma,
        do not assume that a nonzero number of arguments implies that the
        pragma is not a configuration pragma; that assumption only holds
        for legal programs.

2023-01-05  Bob Duff  <duff@adacore.com>

        * doc/gnat_ugn/building_executable_programs_with_gnat.rst:
        Add RM references.
        * gnat_ugn.texi: Regenerate.

2023-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): For a special return
        object of an interface type that is not inherently limited, make
        a call to the Adjust primitive after doing the copy.  For a special
        return object of a non-class-wide type initialized by a function
        call, use a direct renaming only if the object doing the capture
        is flagged by Is_Related_To_Func_Return.  For a special return
        object using a direct renaming, reassign the tag, if need be.
        * exp_ch6.adb (Expand_Simple_Function_Return): Fix comment.
        * exp_util.adb (Is_Related_To_Func_Return): Accept both regular and
        renaming object declarations for return objects.

2023-01-05  Bob Duff  <duff@adacore.com>

        * sem_ch5.adb (Analyze_Assignment): Fix the bug by checking
        Original_Node. The renaming might be elsewhere, but the (original)
        reference is right here.
        * errout.adb: Remove pragma Unreferenced which was added because
        of the above bug.
        * einfo.ads: Misc cleanup.
        * lib.adb: Likewise.
        * lib.ads: Likewise.

2023-01-03  Ghjuvan Lacambre  <lacambre@adacore.com>

        * errout.adb (Write_JSON_Span): Escape subprogram name.

2023-01-03  Ghjuvan Lacambre  <lacambre@adacore.com>

        * output.adb (Write_Buffer): Use Flush_Buffer instead of Write_Eol.

2023-01-03  Ronan Desplanques  <desplanques@adacore.com>

        * libgnat/g-forstr.adb (P_Flt_Format): Add "*" syntax handling.

2023-01-03  Ronan Desplanques  <desplanques@adacore.com>

        * libgnat/g-forstr.adb (P_Int_Format): Fix parsing bug.

2023-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch6.adb (Expand_Simple_Function_Return): Make sure that a
        captured function call also verifies Is_Related_To_Func_Return.
        Do not generate an actual subtype for special return objects.
        * exp_util.ads (Is_Related_To_Func_Return): Add commentary.

2023-01-03  Ronan Desplanques  <desplanques@adacore.com>

        * libgnat/g-forstr.adb
        (Advance_And_Accumulate_Until_Next_Specifier): New procedure.
        ("-"): Replace inline code with call to
        Advance_And_Accumulate_Until_Next_Specifier.
        (Next_Format): likewise.

2023-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        * checks.adb (Apply_Discriminant_Check.Denotes_Explicit_Dereference):
        Return false for artificial dereferences generated by the expander.

2023-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch6.adb (Is_Build_In_Place_Function): Adjust comment.
        * sem_util.adb (Compute_Returns_By_Ref): Do not set Returns_By_Ref
        on functions with foreign convention.

2023-01-03  Marc Poulhiès  <poulhies@adacore.com>

        * exp_aggr.adb (Build_Assignment_With_Temporary): New.
        (Expand_Array_Aggregate): Tune backend optimization
        and insert a temporary in the case of an access with
        Designated_Storage_Model aspect.
        (Convert_Array_Aggr_In_Allocator): Likewise.

2023-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_res.adb (Resolve_Membership_Op): Adjust again latest change.

2023-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_util.ads (Set_Debug_Info_Defining_Id): Adjust comment.
        * sem_util.adb (Is_Aliased_View) <N_Explicit_Dereference>: Return
        false for more artificial dereferences generated by the expander.
        (Set_Debug_Info_Defining_Id): Set Debug_Info_Needed unconditionally
        in -gnatD mode.
        * exp_ch6.adb (Replace_Renaming_Declaration_Id): Also preserve the
        Is_Aliased flag.

2023-01-03  Joel Brobecker  <brobecker@adacore.com>

        * doc/gnat_ugn/platform_specific_information.rst
        (_Platform_Specific_Information): Minor rewording of intro text.
        * gnat_ugn.texi: Regenerate.

2023-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_util.ads (Is_Captured_Function_Call): Declare.
        * exp_util.adb (Is_Captured_Function_Call): New predicate.
        * exp_ch3.adb (Expand_N_Object_Declaration): Use it to detect a
        rewritten function call as the initializing expression.
        * exp_ch6.adb (Expand_Simple_Function_Return): Use it to detect a
        rewritten function call as the returned expression.

2023-01-03  Bob Duff  <duff@adacore.com>

        * exp_util.adb (Integer_Type_For): Assertion and comment.
        (Small_Integer_Type_For): Remove some code and call
        Integer_Type_For instead.
        * sem_util.ads (Rep_To_Pos_Flag): Improve comments. "Standard_..."
        seems overly pedantic here.
        * exp_attr.adb (Succ, Pred): Clean up: make the code as similar as
        possible.
        * exp_ch4.adb: Minor: named notation.

2023-01-03  Javier Miranda  <miranda@adacore.com>

        * ghost.adb (Is_OK_Declaration): A reference to a Ghost entity may
        appear within the class-wide precondition of a helper subprogram.
        This context is treated as suitable because it was already
        verified when we were analyzing the original class-wide
        precondition.

2023-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_tss.adb (Base_Init_Proc): Do not return the Init_Proc of the
        ancestor type for a derived array type.
        * sem_ch13.adb (Inherit_Aspects_At_Freeze_Point): Factor out the
        common processing done on representation items.
        For Default_Component_Value and Default_Value, look into the first
        subtype to find out the representation items.

2023-01-02  Iain Sandoe  <iain@sandoe.co.uk>

        PR ada/108202
        * gcc-interface/Make-lang.in (GCC_LINKERFLAGS, GCC_LDFLAGS):
        Versions of ALL_LINKERFLAGS, LDFLAGS with -Werror and
        -static-libgcc filtered out for Darwin8 and 9 (-Werror is filtered
        out for other hosts).

2023-01-02  Jakub Jelinek  <jakub@redhat.com>

        * gnat_ugn.texi: Bump @copying's copyright year.
        * gnat_rm.texi: Likewise.

\f
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