* gigi.h (standard_datatypes): Add ADT_fdesc_type and ADT_null_fdesc.

[pf3gnuchains/gcc-fork.git] / gcc / ada / ChangeLog

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * gigi.h (standard_datatypes): Add ADT_fdesc_type and ADT_null_fdesc.
        (fdesc_type_node): Define.
        (null_fdesc_node): Likewise.
        * decl.c (gnat_to_gnu_entity) <E_Access_Subprogram_Type>: If the target
        uses descriptors for vtables and the type comes from a dispatch table,
        return the descriptor type.
        * trans.c (Attribute_to_gnu) <Attr_Unrestricted_Access>: If the target
        uses descriptors for vtables and the type comes from a dispatch table,
        build a descriptor in the static case and copy the existing one in the
        non-static case.
        (gnat_to_gnu) <N_Null>: If the target uses descriptors for vtables and
        the type is a pointer-to-subprogram coming from a dispatch table,
        return the null descriptor.
        <N_Unchecked_Type_Conversion>: If the target uses descriptors for
        vtables, the source type is the descriptor type and the target type
        is a pointer type, first build the pointer.
        * utils.c (init_gigi_decls): If the target uses descriptors for vtables
        build the descriptor type and the null descriptor.

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (prepend_attributes): Fix typo.
        * trans.c (Pragma_to_gnu): Likewise.
        * utils.c (gnat_genericize): Likewise.

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>
            Richard Kenner  <kenner@adacore.com>

        * ada-tree.h (TYPE_PACKED_ARRAY_TYPE_P): Only set it when bit-packed.
        * decl.c (gnat_to_gnu_entity): Adjust for above change.
        <E_Record_Type>: Try to get a better form of the component for
        packing, even if it has an integral mode.
        <E_Record_Subtype>: Likewise.
        * trans.c (gnat_to_gnu): Do not require BLKmode for the special
        exception suppressing the final conversion between record types.

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <object>: If -gnatd.a and not optimizing
        alignment for space, promote the alignment of non-scalar variables with
        no size and alignment.
        * gigi.h (gnat_types_compatible_p): Declare.
        * misc.c (LANG_HOOKS_TYPES_COMPATIBLE_P): Set to above predicate.
        * trans.c (gnat_to_gnu): Revert revision 129339 change.  Minor cleanup.
        * utils.c (gnat_types_compatible_p) : New predicate.
        (convert): Use it throughout to test for cases where a mere view
        conversion is sufficient.
        * utils2.c (build_binary_op): Minor tweaks.
        (build_unary_op): Likewise.

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (adjust_packed): Expand comment.

2008-04-08  Arnaud Charlet  <charlet@adacore.com>

        * s-tasuti.ads: Use Task_Address instead of System.Address.

        * makeutl.adb (Path_Or_File_Name): New function

        * nlists.ads, itypes.ads: Update comments.

        * s-crtl.ads (malloc32, realloc32): New functions.

        * s-auxdec.ads (Short_Address_Size): New constant.

        * a-taside.adb, s-tasdeb.adb: Use Task_Address.

        * s-ststop.ads, s-ststop.adb: New file.

        * exp_tss.ads, s-taprop-lynxos.adb: Update comments.
        Minor reformatting.

2008-04-08  Pascal Obry  <obry@adacore.com>

        * g-sercom.ads, g-sercom.adb (Data_Rate): Add B115200.
        (Stop_Bits_Number): New type.
        (Parity_Check): Likewise.
        (Set): Add parameter to set the number of stop bits and
        the parity. Parameter timeout is now a duration instead
        of a plain integer.

        * g-sercom-linux.adb:
        Implement the stop bits and parity support for GNU/Linux.
        Fix handling of timeout, it must be given in tenth of seconds.
        
        * g-sercom-mingw.adb:
        Implement the stop bits and parity support for Windows.
        Use new s-win32.ads unit instead of declaring Win32 services
        directly into this body.
        Update handling of timeout as now a duration.

        * s-win32.ads, s-winext.ads: New files.

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>
            Arnaud Charlet  <charlet@adacore.com>

        * s-osinte-linux-alpha.ads, s-osinte-linux-hppa.ads: Removed.

        s-taspri-posix-noaltstack.ads, s-linux.ads, s-linux-alpha.ads,
        s-linux-hppa.ads: New files. Disable alternate stack on ia64-hpux.

        * s-osinte-lynxos-3.ads,
        (Alternate_Stack): Remove when not needed. Simplify declaration
        otherwise.
        (Alternate_Stack_Size): New constant.

        s-osinte-mingw.ads, s-taprop-mingw.adb: Code clean up: avoid use of
        'Unrestricted_Access.

        * s-osinte-hpux.ads, s-osinte-solaris-posix.ads, s-osinte-aix.ads,
        s-osinte-lynxos.ads, s-osinte-freebsd.ads s-osinte-darwin.ads,
        s-osinte-tru64.ads, s-osinte-irix.ads, s-osinte-linux.ads,
        s-osinte-solaris.ads, s-osinte-vms.ads
        (SA_ONSTACK): New constant.
        (stack_t): New record type.
        (sigaltstack): New imported function.
        (Alternate_Stack): New imported variable.
        (Alternate_Stack_Size): New constant.

        * system-linux-x86_64.ads: (Stack_Check_Probes): Set to True.

        * s-taspri-lynxos.ads, s-taspri-solaris.ads, s-taspri-tru64.ads,
        s-taspri-hpux-dce.ads, s-taspri-dummy.ads, s-taspri-posix.ads,
        s-taspri-vms.ads (Task_Address): New subtype of System.Address
        (Task_Address_Size): New constant size of System.Address
        (Alternate_Stack_Size): New constant.

        * s-taprop-posix.adb, s-taprop-linux.adb (Get_Stack_Attributes): Delete.
        (Enter_Task): Do not notify stack to System.Stack_Checking.Operations.
        Establish the alternate stack if the platform makes use of n alternate
        signal stack for stack overflows.
        (Create_Task): Take into account the alternate stack in the stack size.
        (Initialize): Save the address of the alternate stack into the ATCB for
        the environment task.
        (Create_Task): Fix assertions for NPTL library (vs old LinuxThreads).

        * s-parame.adb (Minimum_Stack_Size): Increase value to 16K

        * system-linux-x86.ads: (Stack_Check_Probes): Set to True.

        * s-intman-posix.adb: 
        (Initialize): Set SA_ONSTACK for SIGSEGV if the platform makes use of an
        alternate signal stack for stack overflows.

        * init.c (__gnat_adjust_context_for_raise, Linux version): On i386 and
        x86-64, adjust the saved value of the stack pointer if the signal was
        raised by a stack checking probe.
        (HP-UX section): Use global __gnat_alternate_stack as signal handler
        stack and only for SIGSEGV.
        (Linux section): Likewise on x86 and x86-64.
        [VxWorks section]
        (__gnat_map_signal): Now static.
        (__gnat_error_handler): Not static any more.
        (__gnat_adjust_context_for_raise): New function. Signal context
        adjustment for PPC && !VTHREADS && !RTP, as required by the zcx
        propagation circuitry.
        (__gnat_error_handler): Second argument of a sigaction handler is a
        pointer, not an int, and is unused.
        Adjust signal context before mapping to exception.
        Install signal handlers for LynxOS case.

        * s-taskin.ads (Common_ATCB): New field Task_Alternate_Stack.
        (Task_Id): Set size to Task_Address_Size
        (To_Task_id): Unchecked convert from Task_Address vice System.Address
        (To_Address): Unchecked convert to Task_Address vice System.Address

        * s-tassta.adb (Task_Wrapper): Define the alternate stack and save its
        address into the ATCB if the platform makes use of an alternate signal
        stack for stack overflows.
        (Free_Task): Add call to Finalize_Attributes_Link.
        Add argument Relative_Deadline to pass the value specified for
        the task. This is not yet used for any target.

        * s-tassta.ads (Create_Task): Add argument Relative_Deadline to pass
        the value specified for the task.

2008-04-08  Arnaud Charlet  <charlet@adacore.com>

        (s-osinte-vxworks6.ads): Removed, merged with s-osinte-vxworks.ads/.adb
        (s-vxwext.ads, s-vxwext-kernel.ads, s-vxwext-rtp.ads,
        s-vxwext-rtp.adb): New files.

        * s-taprop-vxworks.adb, s-osinte-vxworks.ads, s-osinte-vxworks.adb: 
        Minor updates to accomodate changes above.

2008-04-08  Pascal Obry  <obry@adacore.com>

        * a-exetim-mingw.adb, s-gloloc-mingw.adb, s-taprop-mingw.adb,
        s-tasinf-mingw.ad{s,b}, s-taspri-mingw.ads:
        Use new s-win32.ads unit instead of declaration
        from s-osinte-mingw.ads.
        
        * s-osinte-mingw.ads:
        Move all non tasking based interface to s-win32.ads.
        
        * s-osprim-mingw.adb:
        Remove duplicated declarations and use s-win32.ads
        unit instead.

2008-04-08  Vincent Celier  <celier@adacore.com>
            Arnaud Charlet  <charlet@adacore.com>

        * mlib-tgt-aix.adb, mlib-tgt-darwin.adb, mlib-tgt-hpux.adb,
        mlib-tgt-irix.adb, mlib-tgt-linux.adb, mlib-tgt-lynxos.adb,
        mlib-tgt-solaris.adb, mlib-tgt-tru64.adb, mlib-tgt-vms.adb,
        mlib-tgt-vms.ads, mlib-tgt-vms-alpha.adb, mlib-tgt-vms-ia64.adb,
        mlib-tgt-vxworks.adb, mlib-tgt-mingw.adb: Renamed into...

        * mlib-tgt-specific-aix.adb, mlib-tgt-specific-darwin.adb,
        mlib-tgt-specific-hpux.adb, mlib-tgt-specific-irix.adb,
        mlib-tgt-specific-linux.adb, mlib-tgt-specific-lynxos.adb,
        mlib-tgt-specific-solaris.adb, mlib-tgt-specific-tru64.adb,
        mlib-tgt-vms_common.adb, mlib-tgt-vms_common.ads,
        mlib-tgt-specific-vms-alpha.adb, mlib-tgt-specific-vms-ia64.adb,
        mlib-tgt-specific-vxworks.adb, mlib-tgt-specific-xi.adb,
        mlib-tgt-specific-mingw.adb: New names.

        * Makefile.in: 
        On VxWorks platforms use s-stchop-limit.ads for s-stchop.ads
        Get rid of gnatbl.
        (EXTRA_GNATRTL_NONTASKING_OBJS): Add s-win32.o
        Files mlib-tgt-*.adb have been renamed mlib-tgt-specific-*.adb
        Minor updates for VMS

        * gnatbl.c: Removed.

2008-04-08  Thomas Quinot  <quinot@adacore.com>

        * g-expect-vms.adb, a-textio.adb, a-witeio.adb, exp_dbug.adb,
        g-expect.adb, g-locfil.adb, gnatchop.adb, gnatdll.adb, gnatlbr.adb,
        gnatmem.adb, g-regist.adb, i-vxwork.ads, mlib-utl.adb, i-vxwork-x86.ads,
        a-ztexio.adb, g-enblsp-vms-alpha.adb, g-enblsp-vms-ia64.adb,
        s-os_lib.adb, s-regpat.adb, s-regpat.ads: Fix incorrect casing of
        ASCII.NUL throughout.

2008-04-08  Arnaud Charlet  <charlet@adacore.com>
            Matthew Heaney  <heaney@adacore.com>

        * a-cgcaso.adb, a-convec.adb: (Swap, Sift): Avoid use of complex
        renaming.

        * a-cgaaso.ads, a-secain.ads, a-slcain.ads, a-shcain.ads,  
        a-crdlli.ads, a-coormu.ads, a-ciormu.ads: modified header to conform
        to convention for non-RM specs.
        Add descriptive header, and documented each operation
        document each operation

2008-04-08  Robert Dewar  <dewar@adacore.com>
            Bob Duff  <duff@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>

        * alloc.ads: Add entries for Obsolescent_Warnings table

        * einfo.ads, einfo.adb: Minor reformatting.
        (Is_Discriminal): New subprogram.
        (Is_Prival): New subprogram.
        (Is_Protected_Component): New subprogram.
        (Is_Protected_Private): Removed.
        (Object_Ref, Set_Object_Ref): Removed.
        (Prival, Set_Prival): Change assertion.
        (Privals_Chain, Set_Privals_Chain): Removed.
        (Prival_Link, Set_Prival_Link): New subprogram.
        (Protected_Operation, Set_Protected_Operation): Removed.
        (Protection_Object, Set_Protection_Object): New subprogram.
        (Write_Field17_Name): Remove case for Object_Ref.
        (Write_Field20_Name): Add case for Prival_Link.
        (Write_Field22_Name): Remove case for Protected_Operation,
        Privals_Chain.
        Add case for Protection_Object.
        (Can_Use_Internal_Rep): Make this into a [base type only] attribute,
        so clients
        (Overlays_Constant): New flag
        (Is_Constant_Object): New predicate
        (Is_Standard_Character_Type): New predicate
        (Optimize_Alignment_Space): New flag
        (Optimize_Alignment_Time): New flag
        (Has_Postconditions): New flag
        (Obsolescent_Warrning): Field removed
        (Spec_PPC_List): New field
        (Relative_Deadline_Variable, Set_Relative_Deadline_Variable): Add
        subprograms to get and set the relative deadline associated to a task.

        * exp_attr.adb (May_Be_External_Call): Account for the case where the
        Access attribute is part of a named parameter association.
        (Expand_Access_To_Protected_Op): Test for the attribute occurring
        within an init proc and use that directly as the scope rather than
        traversing up to the protected operation's enclosing scope. Only apply
        assertion on Is_Open_Scopes in the case the scope traversal is done.
        For the init proc case use the address of the first formal (_init) as
        the protected object reference.
        Implement Invalid_Value attribute
        (Expand_N_Attribute_Reference): Case Attribute_Unrestricted_Access.
        contents of the dispatch table there is no need to duplicate the
        itypes associated with record types (i.e. the implicit full view
        of private types).
        Implement Enum_Val attribute
        (Expand_N_Attribute_Reference, case Old): Properly handle appearence
        within _Postconditions procedure
        (Expand_N_Attribute_Reference, case Result): Implement new attribute

        * exp_ch5.adb (Expand_N_Simple_Return_Statement): Handle case in which
        a return statement calls a function that is not available in
        configurable runtime.
        (Analyze_If_Statement): don't optimize simple True/False cases in -O0
        (Expand_Non_Function_Return): Generate call to _Postconditions proc
        (Expand_Simple_Function_Return): Ditto

        * frontend.adb: Add call to Sem_Aux.Initialize

        * sem_aux.ads, sem_aux.adb: New file.

        * par-prag.adb: Add entries for pragmas Precondition/Postcondition
        Add new Pragma_Relative_Deadline.
        Add support for pragmas Check and Check_Policy

        * sem_attr.ads, sem_attr.adb (Check_Not_CPP_Type): New subprogram.
        (Check_Stream_Attribute): Add missing check (not allowed in CPP types)
        (Analyze_Attribute): In case of attributes 'Alignment and 'size add
        missing check because they are not allowed in CPP tagged types.
        Add Sure parameter to Note_Possible_Modification calls
        Add implementation of Invalid_Value attribute
        Implement new attribute Has_Tagged_Values
        Implement Enum_Val attribute
        (Analyze_Attribute, case Range): Set Name_Req True for prefix of
        generated attributes.
        (Analyze_Attribute, case Result): If prefix of the attribute is
        overloaded, it always resolves to the enclosing function.
        (Analyze_Attribute, case Result): Properly deal with analysis when
        Postconditions are not active.
        (Resolve_Attribute, case Result): Properly deal with appearence during
        preanalysis in spec.
        Add processing for attribute Result

        * sem_ch6.ads, sem_ch6.adb (Check_Overriding_Indicator): Code cleanup
        for operators.
        (Analyze_Subprogram_Body): Install private_with_clauses when the body
        acts as a spec.
        (Check_Inline_Pragma): recognize an inline pragma that appears within
        the subprogram body to which it applies.
        (Analyze_Function_Return): Check that type of the expression of a return
        statement in a function with a class-wide result is not declared at a
        deeper level than the function.
        (Process_PPCs): Deal with enabling/disabling, using PPC_Enabled flag
        (Verify_Overriding_Indicator): Handle properly subprogram bodies for
        user- defined operators.
        (Install_Formals): Moved to spec to allow use from Sem_Prag for
        analysis of precondition/postcondition pragmas.
        (Analyze_Subprogram_Body.Last_Real_Spec_Entity): New name for
        Last_Formal, along with lots of comments on what this is about
        (Analyze_Subprogram_Body): Fix case where we move entities from the
        spec to the body when there are no body entities (now possible with
        precondition and postcondition pragmas).
        (Process_PPCs): New procedure
        (Analyze_Subprogram_Body): Add call to Process_PPCs

        * sem_ch8.adb (Use_One_Type): refine warning on a redundant use_type
        clause.
        (Pop_Scope): Restore Check_Policy_List on scope exit
        (Push_Scope): Save Check_Policy_List on scope entry
        Change name In_Default_Expression      => In_Spec_Expression
        Change name Analyze_Per_Use_Expression => Preanalyze_Spec_Expression
        Change name Pre_Analyze_And_Resolve    => Preanalyze_And_Resolve
        (Analyze_Object_Renaming): Allow 'Reference as object
        (Analyze_Pragma, case Restriction_Warnings): Call GNAT_Pragma
        (Process_Restrictions_Or_Restriction_Warnings): Check for bad spelling
        of restriction identifier.
        Add Sure parameter to Note_Possible_Modication calls

        * sem_prag.ads, sem_prag.adb (Analyze_Pragma, case Stream_Convert):
        Don't check for primitive operations when calling Rep_Item_Too_Late.
        (Process_Import_Or_Interface): Do not place flag on formal
        subprograms.
        (Analyze_Pragma, case Export): If the entity is a deferred constant,
        propagate information to full view, which is the one elaborated by the
        back-end.
        (Make_Inline): the pragma is effective if it applies to an internally
        generated subprogram declaration for a body that carries the pragma.
        (Analyze_Pragma, case Optimize_Alignment): Set new flag
        Optimize_Alignment_Local.
        (Analyze_PPC_In_Decl_Part): New procedure
        (Get_Pragma_Arg): Moved to outer level
        (Check_Precondition_Postcondition): Change to allow new visibility
        rules for package spec
        (Analyze_Pragma, case Check_Policy): Change placement rules to be
        same as pragma Suppress/Unsuppress.
        Change name In_Default_Expression      => In_Spec_Expression
        Change name Analyze_Per_Use_Expression => Preanalyze_Spec_Expression
        Change name Pre_Analyze_And_Resolve    => Preanalyze_And_Resolve
        (Check_Precondition_Postcondition): Do proper visibility preanalysis
        for the case of these pragmas appearing in the spec.
        (Check_Enabled): New function
        (Initialize): New procedure
        (Tree_Read): New procedure
        (Tree_Write): New procedure
        (Check_Precondition_Postcondition): New procedure
        Implement pragmas Check and Check_Policy
        Merge Assert processing with Check

        * sem_warn.adb (Warn_On_Known_Condition): Handle pragma Check
        New warning flag -gnatw.e

        * sinfo.ads, sinfo.adb (Has_Relative_Deadline_Pragma): New function
        returning whether a task (or main procedure) has a pragma
        Relative_Deadline.
        (Set_Has_Relative_Deadline_Pragma): Procedure to indicate that a task
        (or main procedure) has a pragma Relative_Deadline.
        Add Next_Pragma field to N_Pragma node
        (PPC_Enabled): New flag
        (Next_Pragma): Now used for Pre/Postcondition processing

        * snames.h, snames.ads, snames.adb: New standard name
        Inherit_Source_Path
        Add entry for 'Invalid_Value attribute
        Add entry for new attribute Has_Tagged_Values
        Add entry for Enum_Val attribute
        Add new standard names Aggregate, Configuration and Library.
        Add _Postconditions
        Add _Result
        Add Pragma_Precondition
        Add Pragma_Postcondition
        Add Attribute_Result
        New standard name Archive_Builder_Append_Option
        (Preset_Names): Add _relative_deadline and relative_deadline definitions
        There was also a missing non_preemptive_within_priorities.
        (Get_Pragma_Id, Is_Pragma_Name): Add support for pragma
        Relative_Deadline.
        Add support for pragmas Check and Check_Policy

        * tree_gen.adb: Call Sem_Aux.Tree_Write

        * tree_in.adb: Call Sem_Aux.Tree_Read

        * exp_ch11.adb (Expand_N_Raise_Statement): New Build_Location calling
        sequence

        * exp_intr.adb (Expand_Source_Info): New Build_Location calling
        sequence

        * exp_prag.adb (Expand_Pragma_Relative_Deadline): New procedure.
        (Expand_N_Pragma): Call the appropriate procedure for expanding pragma
        Relative_Deadline.
        (Expand_Pragma_Check): New procedure

        * sinput.ads, sinput.adb (Build_Location_String): Now appends to name
        buffer.

        * sinfo.adb (PPC_Enabled): New flag

2008-04-08  Robert Dewar  <dewar@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>
            Javier Miranda  <miranda@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>

        * fe.h: Remove global Optimize_Alignment flag, no longer used

        * layout.adb: Test Optimize_Alignment flags rather than global switch

        * lib.ads, lib.adb: New OA_Setting field in library record

        * lib-load.adb: New OA_Setting field in library record

        * lib-writ.ads, lib-writ.adb (Collect_Withs, Write_With_Lines): Place
        units mentioned in limited_with_ clauses in the ali file, with an
        'Y' marker.
        New Ox fields in U line

        * opt.adb: New flag Optimize_Alignment_Local
        (Check_Policy_List[_Config]): New flags

        * opt.ads (Invalid_Value_Used): New flag
        New switch Optimize_Alignment_Local
        (Warn_On_Parameter_Order): New flag
        (Check_Policy_List[_Config]): New flags

        * ali.ads, ali.adb: Add indicator 'Y' to mark mark the presence of
        limited_with clauses.
        New data structures for Optimize_Alignment

        * bcheck.adb (Check_Consistent_Restriction_No_Default_Initialization):
        New procedure
        (Check_Consistent_Optimize_Alignment): Rework for new structure
        (Check_Consistent_Restrictions): Fix incorrect error message

        sem_ch10.adb (Decorate_Tagged_Type): Set the Parent field of a newly
        created class-wide type (to the Parent field of the specific type).
        (Install_Siblings): Handle properly private_with_clauses on subprogram
        bodies and on generic units.
        (Analyze_With_Clause, Install_Limited_Withed_Unit): Guard against an
        illegal limited_with_clause that names a non-existent package.
        (Check_Body_Required): Determine whether a unit named a limited_with
        clause needs a body.
        (Analyze_Context): A limited_with_clause is illegal on a unit_renaming.
        Capture Optimize_Alignment settings to set new OA_Setting field in
        library record.
        (Build_Limited_Views): Include task and protected type declarations.

        * sem_ch3.ads, sem_ch3.adb (Analyze_Object_Declaration): Handle the
        case of a possible constant redeclaration where the current object is
        an entry index constant.
        (Analyze_Object_Declaration): Generate an error in case of CPP
        class-wide object initialization.
        (Analyze_Object_Declaration): Add extra information on warnings for
        declaration of unconstrained objects.
        (Access_Type_Declaration): Set Associated_Final_Chain to Empty, to avoid
        conflicts with the setting of Stored_Constraint in the case where the
        access type entity has already been created as an E_Incomplete_Type due
        to a limited with clause.
        Use new Is_Standard_Character_Type predicate
        (Analyze_Object_Declaration): Apply access_constant check only after
        expression has been resolved, given that it may be overloaded with
        several access types.
        (Constant_Redeclaration): Additional legality checks for deferred
        constant declarations tha involve anonymous access types and/or null
        exclusion indicators.
        (Analyze_Type_Declaration): Set Optimize_Alignment flags
        (Analyze_Subtype_Declaration): Ditto
        (Analyze_Object_Declaration): Ditto
        (Analyze_Object_Declaration): Don't count tasks in generics
        Change name In_Default_Expression      => In_Spec_Expression
        Change name Analyze_Per_Use_Expression => Preanalyze_Spec_Expression
        Change name Pre_Analyze_And_Resolve    => Preanalyze_And_Resolve
        (Process_Discriminants): Additional check for illegal use of default
        expressions in access discriminant specifications in a type that is not
        explicitly limited.
        (Check_Abstract_Overriding): If an inherited function dispaches on an
        access result, it must be overridden, even if the type is a null
        extension.
        (Derive_Subprogram): The formals of the derived subprogram have the
        names and defaults of the parent subprogram, even if the type is
        obtained from the actual subprogram.
        (Derive_Subprogram): In the presence of interfaces, a formal of an
        inherited operation has the derived type not only if it descends from
        the type of the formal of the parent operation, but also if it
        implements it. This is relevant for the renamings created for the
        primitive operations of the actual for a formal derived type.
        (Is_Progenitor): New predicate, to determine whether the type of a
        formal in the parent operation must be replaced by the derived type.

        * sem_util.ads, sem_util.adb (Has_Overriding_Initialize): Make
        predicate recursive to handle components that have a user-defined
        Initialize procedure. Handle controlled derived types whose ancestor
        has a user-defined Initialize procedured.
        (Note_Possible_Modification): Add Sure parameter, generate warning if
        sure modification of constant
        Use new Is_Standard_Character_Type predicate
        (Find_Parameter_Type): when determining whether a protected operation
        implements an interface operation, retrieve the type of the formal from
        the entity when the formal is an access parameter or an
        anonymous-access-to-subprogram.
        Move Copy_Parameter_List to sem_util, for use when building stubbed
        subprogram bodies.
        (Has_Access_Values): Tagged types now return False
        (Within_HSS_Or_If): New procedure
        (Set_Optimize_Alignment_Flags): New procedure
        Change name In_Default_Expression      => In_Spec_Expression
        Change name Analyze_Per_Use_Expression => Preanalyze_Spec_Expression
        Change name Pre_Analyze_And_Resolve    => Preanalyze_And_Resolve

2008-04-08  Tristan Gingold  <gingold@adacore.com>

        * s-fileio.adb: Name_Error shouldn't be raised for a tempory file.

2008-04-08  Tristan Gingold  <gingold@adacore.com>

PR ada/10768

        * cuintp.c: Fix 16 bits issue for AVR.
        On AVR, integer is 16 bits, so it can't be used to do math with
        Base (=32768).
        So use long_integer instead.

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>

        * a-calend-vms.ads, a-calend-vms.adb: Add with and use clause for
        System.OS_Primitives.
        Change type of various constants, parameters and local variables from
        Time to representation type OS_Time.
        (To_Ada_Time, To_Unix_Time): Correct sign of origin shift.
        Remove the declaration of constant Mili_F from several routines. New
        body for internal package Conversions_Operations.
        (Time_Of): Add default parameters for several formals.

        * a-caldel.adb: Minor reformatting

        * a-calend.ads, a-calend.adb: New body for internal package
        Conversions_Operations.
        (Time_Of): Add default parameters for several formals.

        * Makefile.rtl: Add a-ststop
        Add Ada.Calendar.Conversions to the list of runtime files.
        Add g-timsta

        * a-calcon.adb, a-calcon.ads: New files.

2008-04-08  Jose Ruiz  <ruiz@adacore.com>
            Tristan Gingold  <gingold@adacore.com>

        * s-interr-dummy.adb, s-interr-vms.adb, s-interr-sigaction.adb
        (Install_Restricted_Handlers): New procedure
        which is a simplified version of Install_Handlers that does not store
        previously installed.

        * s-interr-vxworks.adb: Fix ACATS cxc3001
        On VxWorks interrupts can't be detached.
        (Install_Restricted_Handlers): New procedure.

        * s-interr.ads, s-interr.adb (Install_Restricted_Handlers): New
        procedure.

2008-04-08  Olivier Hainque  <hainque@adacore.com>

        * s-intman-vxworks.ads, s-intman-vxworks.adb
        (Map_And_Raise_Exception): Remove. Was an import of only part of the
        required services already implemented elsewhere.
        (Notify_Exception): Delete body, import __gnat_error_handler instead.
        (Initialize): Add SA_SIGINFO to the sa_flags, to get the sigcontext
        argument passed to the handler, which we need for ZCX propagation
        purposes.

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>

        * adaint.h, adaint.c (__gnat_current_time_string): New routine.

        * g-timsta.adb, g-timsta.ads: New files.

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * a-except-2005.ads, a-except-2005.adb, a-except.ads, a-except.adb
        (Raise_Exception): In accordance with AI-446, raise CE for Null_Id
        (Raise_Exception_Always): Fix documentation accordingly

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * a-strbou.ads, a-strbou.adb (From_String): New procedure (for use by
        Stream_Convert)

        * sem_ch13.ads (Rep_Item_Too_Late): Document that Stream_Convert sets
        FOnly

2008-04-08  Javier Miranda  <miranda@adacore.com>
            Robert Dewar  <dewar@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>

        * a-tags.adb (Register_Interface_Offset): New subprogram.
        (Set_Dynamic_Offset_To_Top): New subprogram (see previous comment).
        (To_Predef_Prims_Table_Ptr): Removed.
        (Acc_Size): Removed.
        (To_Acc_Size): Removed.
        (Parent_Size): Modified to the call the subprogram returning the size of
        the parent by means of the new TSD component Size_Func.

        * a-tags.ads (Offset_To_Top_Ptr): New access type declaration.
        (DT_Offset_To_Top_Offset): New constant value that is used to generate
        code referencing the Offset_To_Top component of the dispatch table's
        prologue.
        (Prim_Ptr): New declaration of access to procedure. Used to avoid the
        use of 'address to initialize dispatch table slots.
        (Size_Func): New component of the TSD. Used by the run-time to call the
        size primitive of the tagged type.

        * checks.adb (Apply_Access_Check): Avoid check when accessing the
        Offset_To_Top component of a dispatch table.
        (Null_Exclusion_Static_Checks): If the non-null access type appears in a
        deferred constant declaration. do not add a null expression, to prevent
        spurious errors when full declaration is analyzed.
        (Apply_Discriminant_Check): If both discriminant constraints share a
        node which is not static but has no side effects, do not generate a
        check for that discriminant.
        (Generate_Index_Checks): Set Name_Req to true in call to duplicate
        subexpr, since the prefix of an attribute is a name.

        * checks.ads: Fix nit in comment.

        * exp_ch3.ads, exp_ch3.adb (Freeze_Record_Type): Do not add the spec
        and body of predefined primitives in case of CPP tagged type
        derivations.
        (Freeze_Type): Deal properly with no storage pool case
        (Make_Predefined_Primitive_Specs): Generate specification of abstract
        primitive Deep_Adjust if a nonlimited interface is derived from a
        limited interface.
        (Build_Dcheck_Functions): Create discriminant-checking functions only
        for variants that have some component(s).
        (Build_Slice_Assignment): In expanded code for slice assignment, handle
        properly the case where the slice bounds extend to the last value of the
        underlying representation.
        (Get_Simple_Init_Val): New calling sequence, accomodate Invalid_Value
        (Is_Variable_Size_Record): An array component has a static size if
        index bounds are enumeration literals.

        * exp_disp.adb (Make_DT): Use the first subtype to determine whether
        an external tag has been specified for the type.
        (Building_Static_DT): Add missing support for private types.
        (Make_DT): Add declaration of Parent_Typ to ensure consistent access
        to the entity associated with the parent of Typ. This is done to
        avoid wrong access when the parent is a private type.
        (Expand_Interface_Conversion): Improve error message when the
        configurable runtime has no support for dynamic interface conversion.
        (Expand_Interface_Thunk): Add missing support to interface types in
        configurable runtime.
        (Expand_Dispatching_Call): remove obsolete code.
        (Make_DT): Replace occurrences of RE_Address by RE_Prim_Ptr, and
        ensure that all subtypes and aggregates associated with dispatch
        tables have the attribute Is_Dispatch_Table_Entity set to true.
        (Register_Primitive): Rename one variable to improve code reading.
        Replace occurrences of RE_Addres by RE_Prim_Ptr. Register copy o
        of the pointer to the 'size primitive in the TSD.

        * rtsfind.ads (RE_DT_Offset_To_Top_Offset): New entity.
        (RE_Offset_To_Top_Ptr): New entity.
        (RE_Register_Interface_Offset): New entity.
        (RE_Set_Dynamic_Offset_To_Top): New entity.
        (RE_Set_Offset_To_Top): Removed entity.
        (RE_Prim_Ptr): New entity
        (RE_Size_Func): New entity
        (RE_Size_Ptr): New entity
        (RTU_Id): Add Ada_Dispatching and Ada_Dispatching_EDF.
        (Ada_Dispatching_Child): Define this new subrange.
        (RE_Id): Add new required run-time calls (RE_Set_Deadline, RE_Clock,
         RE_Time_Span, and RE_Time_Span_Zero).
        (RE_Unit_Table): Add new required run-time calls

        * rtsfind.adb (Get_Unit_Name): Add processing for Ada.Dispatching
        children.

        * exp_atag.ads, exp_atag.adb (Build_Offset_To_Top): New subprogram.
        (Build_Set_Static_Offset_To_Top): New subprogram. Generates code that
         initializes the Offset_To_Top component of a dispatch table.
        (Build_Predef_Prims): Removed.
        (Build_Get_Predefined_Prim_Op_Address): Replace call to Predef_Prims by
         its actual code.
        (Build_Set_Size_Function): New subprogram.

        * exp_ch13.adb: Do not generate storage variable for storage_size zero
        (Expand): Handle setting/restoring flag Inside_Freezing_Actions

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * a-ztdeau.adb, a-tideau.adb, a-wtdeau.adb (Puts_Dec): Fix error in
        computing Fore when Exp > 0

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * back_end.adb: Remove Big_String_Ptr declarations (now in Types)

        * errout.adb: Remove Big_String_Ptr declarations (now in Types)
        Change name Is_Style_Msg to Is_Style_Or_Info_Msg

        * fmap.adb: Remove Big_String declarations (now in Types)
        (No_Mapping_File): New Boolean global variable
        (Initialize): When mapping file cannot be read, set No_Mapping_File to
        False.
        (Update_Mapping_File): Do nothing if No_Mapping_File is True. If the
        tables were empty before adding entries, open the mapping file
        with Truncate = True, instead of delete/re-create.

        * fname-sf.adb: Remove Big_String declarations (now in Types)

        * s-strcom.adb, g-dyntab.ads, g-table.ads, s-carsi8.adb,
        s-stalib.ads, s-carun8.adb: Add zero size Storage_Size clauses for
        big pointer types

        * table.ads: Add for Table_Ptr'Storage_Size use 0

        * types.ads: Add Big_String declarations
        Add Size_Clause of zero for big pointer types

2008-04-08  Vincent Celier  <celier@adacore.com>

        * clean.adb (Parse_Cmd_Line): Recognize switch --subdirs=
        (Usage): Add line for switch --subdirs=
        Add new switch -eL, to follow symbolic links when processing project
        files.

        * gnatcmd.adb: Process switches -eL and --subdirs=
        (Non_VMS_Usage): Output "gnaampcmd" instead of "gnat", and call
        Program_Name to get proper tool names when AAMP_On_Target is set.
        (Gnatcmd): Call Add_Default_Search_Dirs and Get_Target_Parameters to get
        AAMP_On_Target set properly for use of GNAAMP tools (this is needed by
        Osint.Program_Name).

        * gnatname.adb: (Scan_Args): Recognize switches -eL and --subdirs=
        (Usage): Add lines for switches -eL and --subdirs=

        * makeusg.adb: Add line for switch --subdirs=

        * prj.ads: 
        (Source_Data): New Boolean component Compiled, defaulted to True
        (Empty_File_Name: New global variable in private part, initialized in
        procedure Initialize.
        (Subdirs_Option): New constant string
        (Subdirs): New String_Ptr global variable
        (Language_Config): New component Include_Compatible_Languages
        (Project_Qualifier): New type for project qualifiers
        (Project_Data): New component Qualifier
        (Project_Configuration): New component Archive_Builder_Append_Option

        * prj-nmsc.adb (Get_Unit_Exceptions): When a unit is already in
        another imported project indicate the name of this imported project.
        (Check_File): When a unit is in two project files, indicate the project
        names and the paths of the source files for each project.
        (Add_Source): Set Compiled to False if compiler driver is empty. Only
        set object, dependency and switches file names if Compiled is True.
        (Process_Compiler): Allow the empty string for value of attribute Driver
        (Get_Directories): When Subdirs is not null and Object_Dir is not
         specified, locate and create if necessary the actual object dir.
        (Locate_Directory): When Subdirs is not empty and Create is not the
        empty string, locate and create if necessary the actual directory
        as a subdirectory of directory Name.
        (Check_Library_Attributes.Check_Library): Allow a project where the only
        "sources" are header files of file based languages to be imported by
        library projects, in multi-language mode (gprbuild).
        (Check_Library_Attributes.Check_Library): In multi-language mode
        (gprbuild), allow a library project to import a project with no
        sources, even when this is not declared explicitly.
        (Check_If_Externally_Built): A virtual project extending an externally
        built project is also externally built.
        (Check_Library_Attributes): For a virtual project extending a library
        project, inherit the library directory.
        (Process_Project_Level_Array_Attributes): Process new attribute
        Inherit_Source_Path.
        For projects with specified qualifiers "standard", "library" or
        "abstract", check that the project conforms to the qualifier.
        (Process_Project_Level_Simple_Attributes): Process new attribute
         Archive_Builder_Append_Option.

        * switch-m.adb: (Scan_Make_Switches): Process switch --subdirs=
        (Normalize_Compiler_Switches): Only keep compiler switches that are
        passed to gnat1 by the gcc driver and that are stored in the ALI file
        by gnat1.
        Do not take into account switc -save-temps

        * makegpr.adb (Compile_Link_With_Gnatmake): Transmit switch -eL if
        gprmake is called with -eL.
        (Scan_Arg): Recognize switch -eL
        (Usage): Add line for switch -eL

        * prj.adb (Initialize): Initialize Empty_File_Name
        (Project_Empty): New component Qualifier

        * prj-attr.ads, prj-attr.adb: New project level attribute
        Inherit_Source_Path.
        New project level attribute Archive_Builder_Append_Option

        * prj-dect.adb: Replace System.Strings by GNAT.Strings.

        * prj-ext.adb (Initialize_Project_Path): In Multi_Language mode, add
        <prefix>/lib/gnat in the project path, after <prefix>/share/gpr, for
        upward compatibility.

        * prj-part.adb (Project_Path_Name_Of.Try_Path): In high verbosity, put
        each Trying ..." on different lines.
        (Parse_Single_Project): Recognize project qualifiers. Fail in qualifier
        is "configuration" when not in configuration. Fail when in configuration
        when a specified qualifier is other than "configuration".

        * prj-proc.adb (Process_Declarative_Items): Link new elements of copied
        full associative array together.
        (Recursive_Process): Put the project qualifier in the project data
        
        * prj-tree.ads, prj-tree.adb: (Project_Qualifier_Of): New function
        (Set_Project_Qualifier_Of): New procedure

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * errout.ads: Update comments for new handling of info: messages

        * erroutc.adb (Matches): New procedure
        (Warning_Specifically_Suppressed): Modified to handle multiple * chars
        (Is_Style_Or_Info_Msg): New name for Is_Style_Msg, now set for
         info messages as well as style messages.

        * erroutc.ads: Remove unneeded fields from Specific_Warning_Entry

        * sem_elab.adb (Supply_Bodies): Create actual bodies for stubbed
        subprograms.
        (Check_A_Call): Special "info: " warnings now have ? in the text
        (Elab_Warning): Use info message in static case

2008-04-08  Ed Schonberg  <schonberg@adacore.com>

        * exp_aggr.adb (Static_Array_Aggregate): Use Max_Aggr_Size to determine
        whether an array aggregate with static bounds and scalar components
        should be expanded into a static constant.

2008-04-08  Gary Dismukes  <dismukes@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>
            Robert Dewar  <dewar@adacore.com>

        * sem_cat.adb (Validate_RCI_Subprogram_Declaration): Add tests of
        Has_Stream_Attribute_ Definition when checking for available stream
        attributes on parameters of a limited type in Ada 2005. Necessary for
        proper recognition of visible stream attribute clauses.
        (Has_Stream_Attribute_Definition): If the type is derived from a
        private type, then use the derived type's underlying type for checking
        whether it has stream attributes.
        (Validate_Object_Declaration): The check for a user-defined Initialize
        procedure applies also to types with controlled components or a
        controlled ancestor.
        Reject an object declaration in a preelaborated unit if the type is a
        controlled type with an overriding Initialize procedure.
        (Validate_Remote_Access_To_Class_Wide_Type): Return without further
        checking when the parent of a dereference is a selected component and
        the name has not been analyzed.

        * sem_ch4.adb (Analyze_Selected_Component): Add checking for selected
        prefixes that are invalid explicit dereferences of remote
        access-to-class-wide values, first checking whether the selected
        component is a prefixed form of call to a tagged operation.
        (Analyze_Call): Remove code that issues an error for limited function
        calls in illegal contexts, as we now support all of the contexts that
        were forbidden here.
        Allow a function call that returns a task.and appears as the
        prefix of a selected component.
        (Analyze_Reference): Give error message if we try to make a 'Reference
        for an object that is atomic/aliased without its type having the
        corresponding attribute.
        (Analyze_Call): Remove condition checking for attributes to allow
        calls to functions with inherently limited results as prefixes of
        attributes. Remove related comment about Class attributes.
        (Analyze_Selected_Component): If the prefix is a remote type, check
        whether this is a prefixed call before reporting an error.
        (Complete_Object_Operation): If the controlling formal is an access to
        variable reject an actual that is a constant or an access to one.
        (Try_Object_Operation): If prefix is a tagged protected object,retrieve
        primitive operations from base type.

        * exp_ch4.adb (Expand_N_Indexed_Component): Test for prefix that is a
        build-in-place
        function call and call Make_Build_In_Place_Call_In_Anonymous_Context.
        (Expand_N_Selected_Component): Test for prefix that is a build-in-place
        function call and call Make_Build_In_Place_Call_In_Anonymous_Context.
        (Expand_N_Slice): Test for prefix that is a build-in-place function call
        and call Make_Build_In_Place_Call_In_Anonymous_Context.
        (Analyze_Call): Remove code that issues an error for limited function
        calls in illegal contexts, as we now support all of the contexts that
        were forbidden here.
        New calling sequence for Get_Simple_Init_Val
        (Expand_Boolean_Operator): Add call to Silly_Boolean_Array_Xor_Test
        (Expand_N_Op_Not): Add call to Silly_Boolan_Array_Not_Test

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>
            Robert Dewar  <dewar@adacore.com>

        * exp_ch2.adb: Minor reformatting.
        (Expand_Entry_Index_Parameter): Set the type of the identifier.
        (Expand_Entry_Reference): Add call to Expand_Protected_Component.
        (Expand_Protected_Component): New routine.
        (Expand_Protected_Private): Removed.
        Add Sure parameter to Note_Possible_Modification calls

        * sem_ch12.ads, sem_ch12.adb (Analyze_Subprogram_Instantiation): The
        generated subprogram declaration must inherit the overriding indicator
        from the instantiation node.
        (Validate_Access_Type_Instance): If the designated type of the actual is
        a limited view, use the available view in all cases, not only if the
        type is an incomplete type.
        (Instantiate_Object):  Actual is illegal if the formal is null-excluding
        and the actual subtype does not exclude null.
        (Process_Default): Handle properly abstract formal subprograms.
        (Check_Formal_Package_Instance): Handle properly defaulted formal
        subprograms in a partially parameterized formal package.
        Add Sure parameter to Note_Possible_Modification calls
        (Validate_Derived_Type_Instance): if the formal is non-limited, the
        actual cannot be limited.
        (Collect_Previous_Instances): Generate instance bodies for subprograms
        as well.

        * sem_ch13.adb (Analyze_Attribute_Definition_Clause, case Small): Don't
        try to set RM_Size.
        Add Sure parameter to Note_Possible_Modification calls
        (Analyze_At_Clause): Preserve Comes_From_Source on Rewrite call
        (Analyze_Attribute_Definition_Clause, case Attribute_Address): Check for
        constant overlaid by variable and issue warning.
        Use new Is_Standard_Character_Type predicate
        (Analyze_Record_Representation_Clause): Check that the specified
        Last_Bit is not less than First_Bit - 1.
        (Analyze_Attribute_Definition_Clause, case Address): Check for
        self-referential address clause

        * sem_ch5.ads, sem_ch5.adb (Diagnose_Non_Variable_Lhs): Rewrite the
        detection mechanism when the lhs is a prival.
        (Analyze_Assignment): Call Check_Unprotected_Access to detect
        assignment of a pointer to protected data, to an object declared
        outside of the protected object.
        (Analyze_Loop_Statement): Check for unreachable code after loop
        Add Sure parameter to Note_Possible_Modication calls
        Protect analysis from previous syntax error such as a scope mismatch
        or a missing begin.
        (Analyze_Assignment_Statement): The assignment is illegal if the
        left-hand is an interface.

        * sem_res.ads, sem_res.adb (Resolve_Arithmetic_Op): For mod/rem check
        violation of restriction No_Implicit_Conditionals
        Add Sure parameter to Note_Possible_Modication calls
        Use new Is_Standard_Character_Type predicate
        (Make_Call_Into_Operator): Preserve Comes_From_Source when rewriting
        call as operator. Fixes problems (e.g. validity checking) which
        come from the result looking as though it does not come from source).
        (Resolve_Call): Check case of name in named parameter if style checks
        are enabled.
        (Resolve_Call): Exclude calls to Current_Task as entry formal defaults
        from the checking that such calls should not occur from an entry body.
        (Resolve_Call): If the return type of an Inline_Always function
        requires the secondary stack, create a transient scope for the call
        if the body of the function is not available for inlining.
        (Resolve_Actuals): Apply Ada2005 checks to view conversions of arrays
        that are actuals for in-out formals.
        (Try_Object_Operation): If prefix is a tagged protected object,retrieve
        primitive operations from base type.
        (Analyze_Selected_Component): If the context is a call to a protected
        operation the parent may be an indexed component prior to expansion.
        (Resolve_Actuals): If an actual is of a protected subtype, use its
        base type to determine whether a conversion to the corresponding record
        is needed.
        (Resolve_Short_Circuit): Handle pragma Check

        * sem_eval.adb: Minor code reorganization (usea Is_Constant_Object)
        Use new Is_Standard_Character_Type predicate
        (Eval_Relational_Op): Catch more cases of string comparison

2008-04-08  Robert Dewar  <dewar@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>

        * s-rident.ads: Add No_Default_Initialization restriction

        * exp_tss.adb: 
        (Has_Non_Null_Base_Init_Proc): Handle No_Default_Initialization case
        (Set_TSS): Handle No_Default_Initialization case

        * exp_ch6.adb (Expand_N_Subprogram_Body): Handle restriction
        No_Default_Initialization
        (Expand_N_Subprogram_Body): Remove redundant initialization of out
        parameters when Normalize_Scalars is active.
        (Add_Final_List_Actual_To_Build_In_Place_Call): Add formal Sel_Comp
        Fix casing error in formal parameter name in call
        (Register_Predefined_DT_Entry): Replace occurrences of RE_Address by
        (Expand_Call, Propagate_Tag): Call Kill_Current_Values when processing a
        dispatching call on VM targets.

2008-04-08  Gary Dismukes  <dismukes@adacore.com>
            Thomas Quinot  <quinot@adacore.com>

        * exp_ch7.adb (Find_Final_List): Change the test for generating a
        selected component from an access type's Associated_Final_Chain to
        check for the presence of that field, rather than assuming it exists
        for all named access types.
        (Make_Clean): New formal Chained_Cleanup_Action allowing to specify a
        procedure to call at the end of the generated cleanup procedure.
        (Expand_Cleanup_Actions): When a new cleanup procedure is generated, and
        and an At_End_Proc already exists in the handled sequence of statements
        for which cleanup actions are being expanded, the original cleanup
        action must be preserved.

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>
            Robert Dewar  <dewar@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>

        * exp_ch9.ads, exp_ch9.adb (Build_Protected_Entry,
        Build_Unprotected_Subprogram_Body): Generate debug info for
        declarations related to the handling of private data in task and
        protected types.
        (Debug_Private_Data_Declarations): New subprogram.
        (Install_Private_Data_Declarations): Remove all debug info flagging.
        This is now done by Debug_Private_Data_Declarations at the correct
        stage of expansion.
        (Build_Simple_Entry_Call): If the task name is a function call, expand
        the prefix into an object declaration, and make the surrounding block a
        task master.
        (Build_Master_Entity): An internal block is a master if it wraps a call.
        Code reformatting, update comments. Code clean up.
        (Make_Task_Create_Call): Use 'Unrestricted_Access instead of 'Address.
        (Replicate_Entry_Formals): If the formal is an access parameter or
        anonymous access to subprogram, copy the original tree to create new
        entities for the formals of the subprogram.
        (Expand_N_Task_Type_Declaration): Create a Relative_Deadline variable
        for tasks to store the value passed using pragma Relative_Deadline.
        (Make_Task_Create_Call): Add the Relative_Deadline argument to the
        run-time call to create a task.
        (Build_Wrapper_Spec): If the controlling argument of the interface
        operation is an access parameter with a non-null indicator, use the
        non-null indicator on the wrapper.

        * sem_ch9.adb (Analyze_Protected_Type): Only retrieve the full view when
        present, which it may not be in the case where the type entity is an
        incomplete view brought in by a limited with.
        (Analyze_Task_Type): Only retrieve the full view when present, which it
        may not be in the case where the type entity is an incomplete view brought
        in by a limited with.
        (Analyze_Protected_Definition): Set Is_Frozen on all itypes generated for
        private components of a protected type, to prevent the generation of freeze
        nodes for which there is no proper scope of elaboration.

        * exp_util.ads, exp_util.adb
        (Remove_Side_Effects): If the expression is a function call that returns a
        task, expand into a declaration to invoke the build_in_place machinery.
        (Find_Protection_Object): New routine.
        (Remove_Side_Effects): Also make a copy of the value
        for attributes whose result is of an elementary type.
        (Silly_Boolean_Array_Not_Test): New procedure
        (Silly_Boolean_Array_Xor_Test): New procedure
        (Is_Volatile_Reference): New function
        (Remove_Side_Effects): Use Is_Volatile_Reference
        (Possible_Bit_Aligned_Component): Handle slice case properly

        * exp_pakd.adb (Expand_Packed_Not): Move silly true/true or false/false
        case test to Exp_Util
        (Expand_Packed_Xor): Move silly true/true case test to Exp_Util

2008-04-08  Thomas Quinot  <quinot@adacore.com>

        * exp_dist.ads, exp_dist.adb: Fix casing error in formal parameter name
        in call
        (Add_RACW_Features): When processing an RACW in another unit than the
        main unit, set Body_Decls to No_List to indicate that the bodies of
        the type's TSS must not be generated.
        (GARLIC_Support.Add_RACW_Read_Attribute,
        GARLIC_Support.Add_RACW_Write_Attribute): Do not generate bodies if
        Body_Decls is No_List.
        (PolyORB_Support.Add_RACW_Read_Attribute,
        PolyORB_Support.Add_RACW_Write_Attribute,
        PolyORB_Support.Add_RACW_From_Any,
        PolyORB_Support.Add_RACW_To_Any,
        PolyORB_Support.Add_RACW_TypeCode): Same.
        (Transmit_As_Unconstrained): New function.
        (Build_Ordered_Parameters_List): Use the above to order parameters.
        (GARLIC_Support.Build_General_Calling_Stubs):
        Use the above to determine which parameters to unmarshall using 'Input
        at the point where their temporary is declared (as opposed to later on
        with a 'Read call).
        (PolyORB_Support.Build_General_Calling_Stubs):
        Use the above to determine which parameters to unmarshall using From_Any
        at the point where their temporary is declared (as opposed to later on
        with an assignment).

2008-04-08  Ed Schonberg  <schonberg@adacore.com>

        * exp_strm.adb (Build_Record_Or_Elementary_Input_Function): If this is
        an Input function for an access type, do not perform default
        initialization on the local variable that receives the value, to
        prevent spurious warnings when the type is null-excluding.

2008-04-08  Robert Dewar  <dewar@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>

        * freeze.adb (Freeze_Entity): Improve warnings on access types in pure
        units.
        (Size_Known): Generic formal scalar types have known at compile
        time size, so remove check.
        Fix casing error in formal parameter name in call
        (Freeze_Subprogram): If the subprogram is a user-defined operator,
        recheck its overriding indication.

2008-04-08  Vincent Celier  <celier@adacore.com>

        * gnat1drv.adb: Send all messages indicating an error to standard error

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * gnatbind.adb (Restriction_Could_Be_Set): New procedure
        (List_Applicable_Restrictions): Do not list existing restrictions

2008-04-08  Thomas Quinot  <quinot@adacore.com>

        * g-socket.ads, g-socket.adb: Improve documentation of GNAT.Sockets:
        add a pointer to generic sockets literature
        do not mention that the given example is "typical" usage.
        Remove obsolete comment about multicast not being supported on Windows.
        (Connect_Socket): Make Server mode IN rather than IN OUT
        since this formal is never modified.

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * sprint.adb (Write_Itype): Handle Itypes whose Parent field points to
        the declaration for some different entity.
        (Sprint_Node_Actual, case N_Derived_Type_Definition): When an interface
        list is precent (following the parent subtype indication), display
        appropriate "and" keyword.

        * itypes.adb: Remove unnecessary calls to Init_Size_Align and Init_Esize
        Remove unnecessary calls to Init_Size_Align and Init_Esize.
        Add notes on use of Parent field of an Itype

2008-04-08  Ed Schonberg  <schonberg@adacore.com>
            Robert Dewar  <dewar@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>

        * lib-xref.adb (Is_On_LHS): Remove dead code
        (Output_Overriden_Op): If the overridden operation is itself inherited,
        list the ancestor operation, which is the one whose body or absstract
        specification is actually being overridden. For source navigation
        purposes.

        * sem_ch7.adb (Is_Primitive_Of): use base type to determine whether
        operation is primitive for the type.
        (Declare_Inherited_Private_Subprograms): If the new operation overrides
        an inherited private subprogram, set properly the Overridden_Operation
        attribute, for better cross-reference information.
        (Analyze_Package_Specification): Do late analysis of spec PPCs
        (Install_Private_Declaration, Uninstall_Declarations): Save/restore
        properly the full view and underlying full views of a private type in a
        child unit, whose full view is derived from a private type in a parent
        unit, and whose own full view becomes visible in the child body.

        * sem_disp.adb (Check_Dispatching_Operation): When a body declares a
        primitive operation after the type has been frozen, add an explicit
        reference to the type and the operation, because other primitive
        references have been emitted already.
        (Expand_Call, Propagate_Tag): Call Kill_Current_Values when processing a
        dispatching call on VM targets.

2008-04-08  Vincent Celier  <celier@adacore.com>
            Thomas Quinot  <quinot@adacore.com>

        * make.adb: (Gnatmake_Called): Remove, no longer necessary
        (Compile_Surces): Call Delete_Temp_Config_Files only if Gnatmake_Called
        is True and Debug_Flag_N is False. Debug_Flag_N means "keep temp files".
        (Insert_Project_Sources): Take into account index in multi-unit source
        files.
        After building a library project, delete all temporary files.
        (Initialize): Reset current output after parsing project file.
        (Collect_Arguments_And_Compile): Never insert in the queue the sources
        of library projects that are externally built.
        Put file name in error and inform messages if -df is used
        (Display): If invoked with -d7, do not display path names, but only
        file names.

        * makeutl.ads (Path_Or_File_Name): New function
        (Path_Or_File_Name): New function

2008-04-08  Arnaud Charlet  <charlet@adacore.com>

        * Make-lang.in: Disable warnings during first stage of bootstrap
        Get rid of gnatbl.
        Update dependencies.

2008-04-08  Vincent Celier  <celier@adacore.com>

        * mlib-prj.adb (Build_Library): Compare with ALI file name in canonical
        case to decide if ALI object file is included in library.
        (Build_Library): Never attempt to build a library if the project is
        externally built.

2008-04-08  Thomas Quinot  <quinot@adacore.com>

        * nlists.adb (Is_Non_Empty_List): Remove redundant test. First
        (No_List) is defined to return Empty.

2008-04-08  Jose Ruiz  <ruiz@adacore.com>

        * osint.ads, osint.adb (Get_Libraries_From_Registry): Improve
        documentation.
        Update comments.
        (Read_Default_Search_Dirs): Do not consider spaces as path separators
        because spaces may be part of legal paths.

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * par-ch11.adb (P_Exception_Handler): Check indentation level for
        handler

2008-04-08  Ed Schonberg  <schonberg@adacore.com>

        * par-ch3.adb (P_Type_Declaration) Reject the keyword "synchronized"
        in a type declaration, if this is not an interface declaration or
        private type extension.

2008-04-08  Vincent Celier  <celier@adacore.com>

        * prj-util.adb (Executable_Of): New String parameter Language. When
        Ada_Main is False and Language is not empty, attempt to remove the body
        suffix or the spec suffix of the language to get the base of the
        executable file name.
        (Put): New Boolean parameter Lower_Case, defauilted to False. When
        Lower_Case is True, put the value in lower case in the name list.
        (Executable_Of): If there is no executable suffix in the configuration,
        then do not modify Executable_Extension_On_Target.

        * prj-util.ads (Executable_Of): New String parameter Language,
        defaulted to the empty string.
        (Put): New Boolean parameter Lower_Case, defauilted to False

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * scng.adb (Scan_Identifier): Handle case of identifier starting with
        wide character using UTF-8 encoding.

2008-04-08  Javier Miranda  <miranda@adacore.com>

        * sem.adb (Analyze): Consider case in which we analyze an empty node
        that was generated by a call to a runtime function that is not
        available under the configurable runtime.

        * sem.ads (Inside_Freezing_Actions): New flag.
        (Save_Check_Policy_List): New field in scope stack entry

2008-04-08  Ed Schonberg  <schonberg@adacore.com>
            Robert Dewar  <dewar@adacore.com>

        * sem_aggr.adb (Analyze_N_Extension_Aggregate): Add legality checks for
        the ancestor part of an extension aggregate for a limited type.
        (Resolve_Array_Aggregate): Issue warning for sliding of aggregate with
        enumeration index bounds.
        (Resolve_Array_Aggregate): Add circuit for diagnosing missing choices
        when array is too short.
        (Check_Expr_OK_In_Limited_Aggregate): Move function
        Check_Non_Limited_Type from Resolve_Record_Aggregate to top level (and
        change name).
        (Resolve_Array_Aggregate.Resolve_Aggr_Expr):
        Check_Expr_OK_In_Limited_Aggregates called to check for illegal limited
        component associations.
        (Check_Non_Limited_Type): Moved to outer level and renamed.
        (Resolve_Record_Aggregate): In an extension aggregate, an association
        with a box initialization can only designate a component of the
        extension, not a component inherited from the given ancestor

        * sem_case.adb: Use new Is_Standard_Character_Type predicate

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * s-imgdec.adb (Set_Decimal_Digits): Fix error when input is zero with
        negative scale
        (Set_Decimal_Digits): Properly handle Aft=0 (equivalent to Aft=1)
        Properly handle case where Aft > Scale and input number is less than
        one.

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>

        * s-stoele.ads, s-soflin.ads: Move the location of
        Dummy_Communication_Block from System.Storage_Elements to
        System.Soft_Links.

        * s-tpobop.ads: Add comment on usage of Dummy_Communication_Block to
        emulate Communication_Block in certain scenarios.

2008-04-08  Hristian Kirtchev  <kirtchev@adacore.com>

        * s-strxdr.adb, s-stratt.ads, s-stratt.adb (Block_IO_OK): New
        subprogram.
        Add new subtype S_WWC, unchecked conversion routines From_WWC and
        To_WWC.
        (I_WWC, O_WWC): New routines for input and output of
        Wide_Wide_Character.

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * stringt.adb (Write_String_Table_Entry): Handle wide characters
        properly

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * styleg.adb (Check_Comment): Allow special char after -- in
        non-end-of-line case

2008-04-08  Robert Dewar  <dewar@adacore.com>

        * stylesw.adb: Implement -gnaty + - y options
        (Set_GNAT_Style_Check_Options): Includ I in style check string

        * stylesw.ads: Add comments for new style switch options

2008-04-08  Sergey Rybin  <rybin@adacore.com>

        * tree_io.ads: Increase ASIS_Version_Number because of adding Sem_Aux
        to the set of the GNAT components needed by ASIS.

2008-04-08  Bob Duff  <duff@adacore.com>

        * types.h: Change CE_Null_Exception_Id to the correct value (8, was 9).

2008-04-08  Tristan Gingold  <gingold@adacore.com>

        * vxaddr2line.adb: Use Unsigned_32 instead of Integer for address type.
        Improve error message generation.

2008-04-08  Vincent Celier  <celier@adacore.com>

        * a-direct.adb (Start_Search): Check for Name_Error before checking for
        Use_Error, as specified in the RM. Check if directory is open and raise
        Use_Error if it is not.

2008-04-08  Vincent Celier  <celier@adacore.com>
            Robert Dewar  <dewar@adacore.com>

        * vms_conv.adb (Output_Version): Print "GNAAMP" instead of "GNAT when
        AAMP_On_Target is set.

        * vms_data.ads: Add NOxxx to style check switch list
        Add entry COMPONENTS for -gnatVe
        Add VMS qualifiers for -eL (/FOLLOW_LINKS_FOR_FILES) and --subdirs=
        (/SUBDIRS=).
        (GCC_Switches): Add /ALL_BACK_END_WARNINGS.
        Add qualifiers for gnatmetric coupling options
        Add note that -gnata enables all checks
        Add entries [NO]PARAMETER_ORDER for -gnatw.p[P]
        Fix inconsistency for VMS qualifier for the gnatpp '-rnb' option
        New warning flag -gnatw.e

        * usage.adb: Add entries for -gnaty+ -gnaty- -gnatyy
        Add entry for -gnatyN (forgotten before)
        Line for new warning switch -gnatw.p
        New warning flag -gnatw.e

        * gnat_ugn.texi: Add documentation fpr project file switch -aP
        Document -gnaty - + y
        Replace occurences of "package specification" with "package spec"
        Define preprocessing symbols in documentation of gnatprep
        Clarify reason for distinguishing overflow checking
        Add documentation for project-aware tool switches -eL and --subdirs=
        Complete list of configuration pragmas
        Specify that, even when gnatmake switch -x is used, mains on the command
        line need to be sources of project files.
        Editing of gnatcheck/gnatmetric doc.
        Add documentation for -gnatw.p/-gnatw.P
        Add missing documentation for -fno-inline-functions.
        Add documentation for -gnatw.e

        * gnat_rm.texi: Add documentation for No_Default_Initialization
        Replace occurences of "package specification" with "package spec"
        Document use of * in Warnings Off string
        Update documentation of alignment/component clauses.
        Add documentation for Invalid_Value
        Document new consistency rule for Optimize_Alignment
        Add documentation for Precondition and Postcondition pragmas
        Add documentation for Check and Check_Policy pragmas
        Document new Enum_Val attribute
        Remove requirement for static string in pragma Assert
        Add documentation on GNAT.Time_Stamp

        * ug_words: add entry for -gnatVe
        Add entries for -gnat.p[P] /WARNINGS=[NO]PARAMETER_ORDER
        Add entry for -gnatw.e

        * debug.adb: Add missing documentation for d.a flag
        Document new -gnatd.a switch.
        Add documentation for new gnatmake debug switch -df

2008-04-08  Thomas Quinot  <quinot@adacore.com>

        * gen-soccon.c: Bump year in copyright notices.

        * g-soccon-vxworks.ads: Add new constant IP_PKTINFO

2008-04-08  Eric Botcazou  <ebotcazou@adacore.com>

        * ctrl_c.c: Improve handling of ctrl-c on LynxOS and Windows.
        Minor reformatting.

2008-04-08  Robert Dewar  <dewar@adacore.com>
            Bob Duff  <duff@adacore.com>

        * impunit.adb: Add Interfaces.Java.JNI, System.Strings.Stream_Ops,
        Ada.Calendar.Conversions, Ada.Dispatching.EDF, GNAT.Time_Stamp

        * s-intman-mingw.adb: Minor comment fix -- spell 'explicitly' correctly

        * g-trasym.adb: Minor comment fix -- spell 'explicitly' correctly

        * g-trasym.ads: Minor comment improvements

        * s-stalib.adb: Minor comment fix -- spell 'explicitly' correctly

        * a-sequio.ads, a-direio.ads: improve message for tagged type

        * a-strunb.ads: Minor reformatting

        * a-tifiio.adb: Minor reformatting

        * atree.adb (Fix_Parents): Use clearer names for formals
        Cleanup and simplify code
        Use named notation in calls

        * exp_fixd.adb (Do_Multiply_Fixed_Universal): Use named notation in
        confusing calls

        * uintp.adb: Used named notation for some confusing calls

        * bindusg.adb: Minor change in one line of output

        * cstand.adb: Minor reformatting of src representation of Standard

        * a-assert.ads: Add comment.

        * g-decstr.adb: Fix bad indentation

        * expander.ads, expander.adb: Code clean up.

        * sem_dist.ads: Minor comment improvement

        * sem_type.adb, g-dirope.ads, g-exctra.ads, s-valwch.adb,
        s-wchstw.adb, targparm.ads, widechar.adb: Minor reformatting

        * i-cstrin.adb: Fix casing error in formal parameter name in call

2008-04-08  Ed Schonberg  <schonberg@adacore.com>

        * binde.adb (Gather_All_Links, Gather_Dependencies): units that are
        mentioned in limited_with_clauses to do create semantic dependencies
        even though they appear in the ali file.

2008-04-08  Emmanuel Briot  <briot@adacore.com>

        * g-comlin.ads, g-comlin.adb (Expansion): Remove unreachable return
        statement.
        (Get_Configuration): New subprogram.

        * prj-pp.ads, prj-pp.adb (Pretty_Print): new parameters Id and Id_Tree
        These optional parameters help preserve the casing of the project's name
        when pretty-printing.

2008-04-08  Jerome Lambourg  <lambourg@adacore.com>
            Arnaud Charlet  <charlet@adacore.com>

        * bindgen.adb (Gen_Adainit_Ada): If the main program is a CIL function,
        then use __gnat_set_exit_status to report the returned status code.

        * comperr.adb (Compiler_Abort): Convert most bug boxes into clean error
        messages on .NET, since some constructs of the language are not
        properly supported.

        * gnatlink.adb (Gnatlink): In case the command line is too long for the
        .NET linker, gnatlink now concatenate all .il files and pass this to
        ilasm.

2008-04-07  Aurelien Jarno  <aurelien@aurel32.net>
            Xavier Grave  <grave@ipno.in2p3.fr>

        * Makefile.in: Add make ifeq define for mips/mipsel support.
        * g-soccon-linux-mips.ads, system-linux-mipsel.ads, 
        system-linux-mips.ads: New files.

2008-04-07  Aurelien Jarno  <aurelien@aurel32.net>

        * sysdep.c: add __GLIBC__ to the #ifdef preprocessor macros to
        detect systems using GNU libc.
        * gsocket.h: ditto.
        * socket.c: ditto.
        * adaint.c: ditto.
        * link.c: ditto.

2008-04-07  Aurelien Jarno  <aurelien@aurel32.net>

        * s-osinte-linux-kfreebsd.ads (SC_NPROCESSORS_ONLN): New 
        constant constant for sysconf call.
        (bit_field): New packed boolean type used by cpu_set_t.
        (cpu_set_t): New type corresponding to the C type with
        the same name. Note that on the Ada side we use a bit
        field array for the affinity mask. There is not need
        for the C macro for setting individual bit.
        (pthread_setaffinity_np): New imported routine.
        * Makefile.in: Use s-tasinf-linux.ads and s-tasinf-linux.adb
        on GNU/kFreeBSD.

2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * utils2.c (build_binary_op): Fold ARRAY_REF and ARRAY_RANGE_REF too.

2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * gigi.h (create_subprog_type): Remove returns_with_dsp parameter.
        * decl.c (gnat_to_gnu_entity): Adjust for above new prototype.
        * utils.c (create_subprog_type): Remove returns_with_dsp parameter.
        * trans.c (gnat_to_gnu) <N_Return_Statement>: Remove code dealing with
        Return by Depressed Stack Pointer.

2008-04-06  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (is_variable_size): Do not unconditionally return false
        on non-strict alignment platforms.

2008-04-06  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (rest_of_type_decl_compilation_no_defer): New local function
        used to process all the variants of the specified type.
        (gnat_to_gnu_entity): Invoke rest_of_type_decl_compilation for enumeral
        types too.  Call rest_of_type_decl_compilation_no_defer if undeferring.
        (rest_of_type_decl_compilation): Likewise.
        * utils.c (gnat_pushdecl): Propagate the name to all variants of type.

2008-04-03  Paolo Bonzini  <bonzini@gnu.org>

        * gigi.h (insert_block): Kill.
        * utils.c (insert_block): Kill.

2008-04-02  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <object>: For a constant object whose
        type has self-referential size, get the size from the initializing
        expression directly if it is also a constant whose nominal type
        has self-referential size.

2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        PR ada/33688
        * g-soccon-darwin.ads: Define new constant IP_PKTINFO.

        PR ada/33857
        * env.c: Always include crt_externs.h if __APPLE__ is defined.
        (__gnat_setenv): Use setenv instead of putenv if __APPLE__ is defined.

2008-04-01  Andreas Jaeger  <aj@suse.de>

        * g-soccon-linux-ppc.ads: Add new constants SO_REUSEPORT and
        IP_PKTINFO.

2008-03-31  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * g-table.adb, g-tasloc.adb, g-traceb.ads,
        g-trasym.adb, g-utf_32.adb, gen-soccon.c, gigi.h, gmem.c,
        gnatbind.adb, gnatchop.adb, gnatcmd.adb,
        gnatcmd.ads, gnatdll.adb, gnatfind.adb,
        gnatlink.adb, gnatmem.adb, gprep.adb,
        i-cstrea-vms.adb, i-cstrin.adb, i-pacdec.ads,
        i-vxwork.ads, impunit.adb, init.c, initialize.c, inline.adb,
        layout.adb, lib-writ.adb, lib-writ.ads, lib-xref.adb,
        lib-xref.ads, lib.adb, link.c, live.ads,
        make.adb, makegpr.adb, makeutl.adb, math_lib.adb,
        mdll-utl.adb, mdll.ads, memroot.adb, memroot.ads,
        misc.c, mlib-prj.adb, mlib-tgt-hpux.adb,
        mlib-tgt-linux.adb, mlib-tgt-tru64.adb, mlib-tgt.ads,
        namet.adb, namet.h, nlists.adb, nlists.ads,
        nlists.h, opt.ads, osint-b.ads, osint-c.adb,
        osint-c.ads, osint.adb, osint.ads, output.ads,
        par-ch10.adb, par-ch12.adb, par-ch2.adb, par-ch3.adb,
        par-ch4.adb, par-ch5.adb, par-ch6.adb, par-ch9.adb,
        par-endh.adb, par-labl.adb, par-prag.adb,
        par-sync.adb, par-tchk.adb, par-util.adb,
        par.adb, prep.adb, prep.ads, prepcomp.adb, prj-attr.ads,
        prj-dect.adb, prj-env.adb, prj-ext.adb, prj-nmsc.adb,
        prj-nmsc.ads, prj-pp.adb, prj-proc.adb,
        prj-strt.ads, prj-tree.ads, prj.adb, prj.ads: Fix comment typos.

2008-03-31  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <object>: Do not force a non-null
        size if it has overflowed.

2008-03-31  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * utils2.c (find_common_type): Document assumption on t1/t2 vs
        lhs/rhs. Force use of lhs type if smaller, whatever the modes.

2008-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * a-textio.ads, a-witeio.ads, a-ztexio.ads, ali.ads,
        einfo.ads, erroutc.adb, erroutc.ads, exp_attr.adb,
        exp_imgv.adb, exp_intr.adb, exp_pakd.adb,
        exp_pakd.ads, exp_prag.adb, exp_smem.adb,
        exp_tss.ads, exp_util.adb, exp_util.ads,
        exp_vfpt.adb, freeze.adb, freeze.ads,
        frontend.adb, g-alleve.adb, g-altcon.adb,
        g-altive.ads, g-alveop.ads, g-alvevi.ads,
        g-arrspl.adb, g-busorg.ads, g-calend.adb,
        g-calend.ads, g-casuti.ads, g-cgideb.adb,
        g-comlin.adb, g-comlin.ads, g-curexc.ads,
        g-debpoo.adb, g-debpoo.ads, g-decstr.adb,
        g-dirope.adb, g-dirope.ads, g-dynhta.ads,
        g-dyntab.adb, g-encstr.ads, g-excact.ads,
        g-except.ads, g-expect.ads, g-heasor.adb,
        g-hesora.adb, g-hesorg.adb, g-htable.ads,
        g-locfil.ads, g-md5.adb, g-md5.ads,
        g-memdum.ads, g-moreex.ads, g-os_lib.adb,
        g-pehage.adb, g-pehage.ads, g-regexp.adb,
        g-regexp.ads, g-regpat.adb, g-regpat.ads,
        g-soccon-aix.ads, g-soccon-darwin.ads,
        g-soccon-freebsd.ads, g-soccon-hpux-ia64.ads,
        g-soccon-hpux.ads, g-soccon-irix.ads,
        g-soccon-linux-64.ads, g-soccon-linux-ppc.ads,
        g-soccon-linux-x86.ads, g-soccon-lynxos.ads,
        g-soccon-mingw.ads, g-soccon-solaris-64.ads,
        g-soccon-solaris.ads, g-soccon-tru64.ads,
        g-soccon-vms.ads, g-soccon-vxworks.ads,
        g-soccon.ads, g-socket.adb, g-socket.ads,
        g-socthi-mingw.adb, g-socthi-vms.adb,
        g-socthi-vxworks.adb, g-soliop-mingw.ads,
        g-soliop-solaris.ads, g-soliop.ads, g-spipat.adb,
        g-spipat.ads, g-string.adb, g-stsifd-sockets.adb: Fix comment
        typos.

2008-03-27  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <E_Procedure>: Also set the public flag
        if the procedure is imported.

2008-03-26  Arnaud Charlet  <charlet@adacore.com>

        * adaint.c: Fix warnings.

2008-03-26  Arnaud Charlet  <charlet@adacore.com>

        * g-dirope.ads, g-dirope.adb: (Dir_Type_Value): Moved to spec.

2008-03-26  Arnaud Charlet  <charlet@adacore.com>

        * a-witeio.adb: Fix problem with Current_Output (introduce Self).
        Fix problem of status check for null file

2008-03-26  Arnaud Charlet  <charlet@adacore.com>

        * s-proinf-irix-athread.ads, s-vxwork-mips.ads,
        s-traces.ads, s-vxwork-arm.ads, s-vxwork-ppc.ads, s-vxwork-sparcv9.ads,
        s-tasinf-mingw.ads, s-tasinf-linux.ads, s-tasdeb.ads, mlib-tgt.ads,
        i-cstrin.ads, uintp.adb, g-catiio.adb, s-vmexta.ads,
        s-trafor-default.ads, s-vxwork-m68k.ads: Minor reformatting. Update
        comments.

2008-03-26  Thomas Quinot  <quinot@adacore.com>

        PR ada/33688
        * g-socket.ads, g-socket.adb (Options, Set_Socket_Option,
        Get_Socket_Option): Add support for Receive_Packet_Info.

        * g-soccon.ads, g-soccon-tru64.ads, g-soccon-aix.ads,
        g-soccon-irix.ads, g-soccon-hpux.ads, g-soccon-solaris.ads,
        g-soccon-vms.ads, g-soccon-mingw.ads, g-soccon-freebsd.ads,
        g-soccon-hpux-ia64.ads, g-soccon-solaris-64.ads, g-soccon-darwin.ads,
        g-soccon-lynxos.ads, g-soccon-linux-64.ads, g-soccon-linux-x86.ads: Add
        new constants SO_REUSEPORT and IP_PKTINFO

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * a-taster.adb, s-shasto.adb, s-soflin.adb, s-taasde.adb, s-taenca.adb,
        a-sytaco.adb, a-sytaco.ads, a-tasatt.adb, a-taside.adb,
        a-intnam-lynxos.ads, a-retide.adb, a-intnam-tru64.ads, a-intnam-aix.ads,
        a-intnam-irix.ads, a-intnam-hpux.ads, a-intnam-linux.ads,
        a-intnam-solaris.ads, a-caldel-vms.adb, a-intnam-vms.ads,
        a-excpol-abort.adb, a-intnam-mingw.ads, s-interr.adb, s-interr.ads,
        s-intman.ads, s-gloloc.adb, s-osinte-lynxos-3.ads,
        s-interr-sigaction.adb, s-osinte-hpux.ads, s-osinte-solaris-posix.ads,
        a-intnam-freebsd.ads, s-osinte-freebsd.ads, s-osinte-lynxos.ads,
        s-taspri-lynxos.ads, s-osinte-tru64.ads, s-osinte-tru64.ads,
        s-taspri-tru64.ads, s-osinte-aix.ads, s-osinte-irix.ads,
        s-osinte-hpux-dce.ads, s-taprop-hpux-dce.adb, s-taspri-hpux-dce.ads,
        s-osinte-linux.ads, s-osinte-dummy.ads, s-taprop-dummy.adb,
        s-taspri-dummy.ads, s-interr-dummy.adb, s-osinte-solaris.ads,
        s-osinte-mingw.ads, s-taprop-solaris.adb, s-taspri-solaris.ads,
        s-inmaop-vms.adb, s-interr-vms.adb, s-intman-vms.ads, s-osinte-vms.ads,
        s-osinte-vms.ads, s-taprop-vms.adb, s-taspri-vms.ads,
        s-taspri-mingw.ads, s-interr-vxworks.adb, s-inmaop-posix.adb,
        s-intman-vxworks.ads, s-osinte-vxworks.ads, s-osprim-vxworks.adb,
        s-taspri-vxworks.ads, s-taspri-posix.ads, a-caldel.adb, a-calend.adb,
        a-elchha.adb, a-dynpri.adb, a-except.adb, a-except.ads, a-interr.ads,
        a-textio.adb, a-tigeau.ads, atree.adb, s-taprob.adb, s-taprop.ads,
        s-tarest.adb, s-tarest.ads, s-tasini.adb, s-taskin.adb, s-taskin.ads,
        s-tasque.adb, s-tasren.adb, s-tasren.ads, s-tassta.adb, s-tassta.ads,
        s-tasuti.adb, s-tataat.adb, s-tataat.ads, s-tpoben.adb, s-tpoben.ads,
        s-tpobop.adb, s-tpobop.ads, s-tposen.adb, s-tposen.ads, s-valrea.adb,
        s-valuti.adb, a-intnam-darwin.ads, s-osinte-darwin.ads, s-solita.adb,
        a-ztinau.ads, s-osinte-linux-hppa.ads, a-except-2005.adb,
        a-except-2005.ads, a-rttiev.adb, s-osinte-vxworks6.ads, s-regexp.adb,
        s-tasloc.adb: Minor reformatting.
        Update comments.
        Remove "used for" sections from comments.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * s-tpopsp-posix.adb, s-tpopsp-solaris.adb, s-tpopsp-posix-foreign.adb,
        s-tpopsp-lynxos.adb, s-tpopde-vms.ads, s-tpopde-vms.adb,
        s-tpopsp-vxworks.adb, s-casi16.adb, s-caun16.adb, s-inmaop.ads,
        s-tadeca.adb, s-tadeca.ads, s-tadert.adb, s-tadert.ads, s-tpinop.adb,
        s-tpinop.ads, s-tporft.adb, a-rbtgso.adb, a-crbtgo.ads, a-crbtgo.adb,
        a-crbtgk.ads, a-crbtgk.adb, a-ciorse.adb, a-cihama.ads, a-cihama.adb,
        a-cidlli.ads, a-cidlli.adb, a-chtgop.ads, a-chtgop.adb, a-cgcaso.ads,
        a-cgcaso.adb, a-cgaaso.adb, a-ciormu.adb, a-cihase.adb, a-swuwha.ads,
        a-rbtgso.ads, a-cgaaso.ads, a-cgaaso.ads, a-ciorma.adb, a-chtgke.ads,
        a-chtgke.adb, a-llfzti.ads, a-ztenau.adb, a-ztenau.ads, a-stzhas.ads,
        a-szbzha.ads, a-szbzha.adb, a-crdlli.ads, a-crdlli.ads, a-crdlli.adb,
        i-forbla-darwin.adb, i-forbla.ads, s-regexp.adb, a-nllrar.ads,
        a-nlrear.ads, a-nucoar.ads, a-nurear.ads, i-forlap.ads, s-gearop.adb,
        s-gearop.ads, s-gecobl.adb, s-gecobl.ads, s-gecola.adb, s-gecola.ads,
        s-gerebl.adb, s-gerela.ads, a-swuwha.adb, i-forbla-unimplemented.ads,
        double spaced if it fits on one line and otherwise single spaced.

2008-03-26  Arnaud Charlet  <charlet@adacore.com>

        * s-taprop-irix.adb, s-taprop-tru64.adb, s-taprop-lynxos.adb, 
        s-taprop-linux.adb, s-taprop-mingw.adb, s-taprop-vxworks.adb, 
        s-taprop-posix.adb (Create_Task): Do not attempt to set task priority
        or task info if the thread could not be created.

2008-03-26  Arnaud Charlet  <charlet@adacore.com>

        * gnatvsn.ads (Library_Version): Bump to 4.4.
        (Current_Year): Bump to 2008.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * ali.ads, ali.adb (Optimize_Alignment_Setting): New field in ALI record

        * bcheck.adb (Check_Consistent_Optimize_Alignment): New procedure

        * debug.adb: Add debug flags d.r and d.v
        Add debug flag .T (Optimize_Alignment (Time))
        Add debug flag .S (Optimize_Alignment (Space))

        * freeze.adb (Freeze_Record_Type): Set OK_To_Reorder_Components
        depending on setting of relevant debug flags.
        Replace use of Warnings_Off by Has_Warnings_Off
        (Freeze_Entity): In circuit for warning on suspicious convention
        actuals, do not give warning if subprogram has same entity as formal
        type, or if subprogram does not come from source.
        (Freeze_Entity): Don't reset Is_Packed for fully rep speced record
        if Optimize_Alignment set to Space.

        * frontend.adb: Add call to Sem_Warn.Initialize
        Add call to Sem_Warn.Output_Unused_Warnings_Off_Warnings
        Reset Optimize_Alignment mode from debug switches .S and .T

        * layout.adb (Layout_Composite_Object): Rewritten for
        Optimize_Aligment pragma.

        * lib-writ.ads, lib-writ.adb: New Ox parameter for Optimize_Alignment
        mode.

        * opt.ads, opt.adb: (Optimize_Alignment): New global switch

        * par-prag.adb (N_Pragma): Chars field removed, use Chars
        (Pragma_Identifier (..  instead, adjustments throughout to accomodate
        this change. Add entry for pragma Optimize_Alignment

        * sem_prag.adb (N_Pragma): Chars field removed, use Chars
        (Pragma_Identifier (..
        instead, adjustments throughout to accomodate this change.
        (Process_Compile_Time_Warning_Or_Error): Use !! for generated msg
        (Favor_Top_Level): Use new function Is_Access_Subprogram_Type
        Add implementation of pragma Optimize_Alignment

2008-03-26  Vincent Celier  <celier@adacore.com>

        * a-szuzti.adb, a-swuwti.adb, a-suteio.adb (functions Get_Line):
        Improve memory usage to avoid use of stack.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * a-teioed.ads: Correct value of Default_Fill

        * a-teioed.adb (Image): Use Fill_Character instead of '*' to fill

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * a-ztexio.adb, a-ztexio.ads, a-witeio.ads, a-witeio.adb: Fix problem
        with Current_Output (introduce Self).

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * checks.adb (Ensure_Valid): Capture valid status if possible
        (eliminate checks)

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * stand.ads: Deal with reordering of package standard declarations

        * cstand.adb: Put package Standard declarations in proper order

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * einfo.ads, einfo.adb (N_Pragma): Chars field removed, use Chars
        (Pragma_Identifier (.. instead.
        (OK_To_Reorder_Components): New flag
        (Has_Entries): Code cleanup.
        (Warnings_Off_Used): New flag
        (Warnings_Off_Used_Unmodified): New flag
        (Warnings_Off_Used_Unreferenced): New flag
        (Has_Warnings_Off): New function
        (Has_Unmodified): New function
        (Has_Unreferenced): New function
        (Is_Trivial_Subprogram): New flag
        (Is_Static_Dispatch_Table_Entity): New attribute.
        Change name Access_Subprogram_Type_Kind to Access_Subprogram_Kind
        (more consistent with other similar names)
        (Access_Subprogram_Type): New classification function

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * errout.ads: Document new !! insertion sequence

        * errout.adb (N_Pragma): Chars field removed, use Chars
        (Pragma_Identifier (..  instead.
        Replace use of Warnings_Off by Has_Warnings_Off
        (Error_Msg_Internal): Don't delete warning ending in !!

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * par.adb (Check_No_Right_Paren): Removed no longer used

        * par-ch10.adb (N_Pragma): Chars field removed, use Chars
        (Pragma_Identifier (..  instead.

        * par-ch10.adb (P_Subunit): Improvement in error recovery and message

        * par-tchk.adb, par-ch5.adb, par-ch6.adb, par-ch3.adb,
        par-ch4.adb: Minor improvements in error recovery and messages.

        * erroutc.adb (Test_Style_Warning_Serious_Msg): Treat style msgs as
        non-serious

        * par-ch9.adb: Minor improvements in error recovery and messages
        (P_Protected): Better error recovery for "protected type x;"

        * par-util.adb: Minor improvements in error recovery and messages
        (Check_No_Right_Paren): Removed no longer used

2008-03-26  Ed Schonberg  <schonberg@adacore.com>

        * exp_aggr.adb (Replace_Type): When checking for self-reference, verify
        that the prefix of an attribute is the type of the aggregate being
        expanded.

2008-03-26  Javier Miranda  <miranda@adacore.com>
            Robert Dewar  <dewar@adacore.com>

        * exp_attr.adb (N_Pragma): Chars field removed.
        (Expand_N_Attribute_Reference): If the designated type associated with
        attribute 'Unrestricted_Access is a subprogram entity then replace it
        by an E_Subprogram_Type itype.
        Implement attribute Old

        * sem_attr.ads (Attribute_Class_Array): Move to snames.ads

        * sem_attr.adb (Build_Access_Subprogram_Itype): Add documentation.
        Replace call to
        New_Internal_Entity by call to Create_Itype to centralize calls
        building itypes, ad propagate the convention of the designated
        subprogram. In addition, disable the machinery cleaning constant
        indications from all entities in current scope when 'Unrestricted_Access
        corresponds with a node initializing a dispatch table slot.
        (Analyze_Attribute): Parameterless attributes returning a string or a
        type will not be called with improper arguments, so we can remove junk
        code that was dealing with this case.
        Implement attribute Old

        * snames.ads, snames.h, snames.adb: Add entries for attribute Old
        Add entry for pragma Optimize_Alignment
        New standard names Sync and Synchronize

2008-03-26  Robert Dewar  <dewar@adacore.com>
            Arnaud Charlet  <charlet@adacore.com>

        * exp_ch11.adb (Expand_At_End_Handler): Set From_At_End flag on raise
        stmt.
        (No_Exception_Propagation_Active): New function.
        (Expand_Exception_Handlers): Use No_Exception_Propagation_Active.
        Update comments, and review all uses of No_Exception_Propagation, which
        are now correct and in sync with what gigi expects.

        * restrict.ads, restrict.adb (No_Exception_Propagation_Active): New
        function.
        (Expand_Exception_Handlers): Use No_Exception_Propagation_Active.
        Update comments, and review all uses of No_Exception_Propagation, which
        are now correct and in sync with what gigi expects.

2008-03-26  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb (Access_Definition): If the access type is the return
        result of a protected function, create an itype reference for it
        because usage will be in an inner scope from the point of declaration.
        (Build_Derived_Record_Type): Inherit Reverse_Bit_Order and
        OK_To_Reorder_Components.
        (Make_Index): If an overloaded range includes a universal integer
        interpretation, resolve to Standard.Integer.
        (Analyze_Subtype_Indication): Copy Convention to subtype
        (Check_Abstract_Interfaces): Complete semantic checks on the legality of
        limited an synchronized progenitors in type declaration and private
        extension declarations.

        * exp_ch13.adb (Expand_N_Freeze_Entity): If the scope of the entity is a
        protected subprogram body, determine proper scope from subprogram
        declaration.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * exp_ch4.adb (Expand_N_Op_Concat): Remove special tests for
        No_Run_Time_Mode

2008-03-26  Gary Dismukes  <dismukes@adacore.com>

        * exp_ch5.adb (Expand_N_Extended_Return_Statement): Suppress generation
        of a heap allocator for a limited unconstrained function return when
        resstriction No_Allocators is active.
        (Analyze_Allocator): The restriction No_Allocators is now only checked
        on allocators that have Comes_From_Source set, as per RM-H.4(7).

        * sem_ch4.adb (Expand_N_Extended_Return_Statement): Suppress generation
        of a heap allocator for a limited unconstrained function return when
        resstriction No_Allocators is active.
        (Analyze_Allocator): The restriction No_Allocators is now only checked
        on allocators that have Comes_From_Source set, as per RM-H.4(7).
        (Has_Fixed_Op):  If the name in a function call is Standard."*" and the
        operands are fixed-point types, the universal_fixed predefined operation
        is used, regardless of whether the operand type (s) have a primitive
        operation of the same name.

2008-03-26  Javier Miranda  <miranda@adacore.com>

        * exp_disp.adb (Make_DT, Make_Secondary_DT): Set attribute
        Is_Static_Dispatch_Table
        (Build_Dispatch_Tables): Replace calls to Exchange_Entities() by calls
        to Exchange_Declarations to exchange the private and full-view. Bug
        found working in this issue.
        (Expand_Dispatching_Call): Propagate the convention of the subprogram
        to the subprogram pointer type.
        (Make_Secondary_DT): Replace generation of Prim'Address by
        Address (Prim'Unrestricted_Access)
        (Make_DT): Replace generation of Prim'Address by
        Address (Prim'Unrestricted_Access)
        (Make_Disp_*_Bodies): When compiling for a restricted profile, use
        simple call form for single entry.
        (Make_DT): Handle new contents of Access_Disp_Table (access to dispatch
        tables of predefined primitives).
        (Make_Secondary_DT): Add support to handle access to dispatch tables of
        predefined primitives.
        (Make_Tags): Add entities to Access_Dispatch_Table associated with
        access to dispatch tables containing predefined primitives.

        * exp_ch6.adb (N_Pragma): Chars field removed, use Chars
        (Pragma_Identifier (..  instead, adjustments throughout to accomodate
        this change.
        (Register_Predefined_DT_Entry): Updated to handle the new contents
        of attribute Access_Disp_Table (pointers to dispatch tables containing
        predefined primitives).

        * exp_util.ads, exp_util.adb (Corresponding_Runtime_Package): New
        subprogram.
        (Find_Interface_ADT): Updated to skip the new contents of attribute
        Access_Dispatch_Table (pointers to dispatch tables containing predefined
        primitives).

        * sem_util.adb (Has_Abstract_Interfaces): Add missing support for
        concurrent types.
        (Set_Convention): Use new function Is_Access_Subprogram_Type
        (Collect_Interfaces_Info): Updated to skip the new contents of attribute
        Access_Dispatch_Table (pointers to dispatch tables containing predefined
        primitives).

        * exp_atag.ads, exp_atag.adb (Build_Inherit_Predefined_Prims): Improve
        expanded code avoiding calls to Build_Predef_Prims.
        (Build_Set_Predefined_Prim_Op_Address): Improve expanded code avoiding
        call to Build_Get_Predefined_Prim_Op_Address.

2008-03-26  Javier Miranda  <miranda@adacore.com>

        * exp_ch7.adb (Make_Clean): Code cleanup using the new centralized
        subprogram Corresponding_Runtime_Package to know the runtime package
        that will provide support to a given protected type.

        * exp_ch9.adb (Add_Private_Declarations,
        Build_Protected_Subprogram_Call,
        Build_Protected_Entry, Build_Simple_Entry_Call,
        Expand_N_Protected_Body, Expand_N_Protected_Type_Declaration,
        Expand_N_Timed_Entry_Call, Make_Initialize_Protection): Code
        cleanup using the new centralized subprogram Corresponding_Runtime
        Package to know the runtime package that provides support to
        a given protected type.

2008-03-26  Ed Schonberg  <schonberg@adacore.com>

        * exp_pakd.adb (Expand_Bit_Packed_Element_Set): If the component
        assignment is within the initialization procedure for a packed array,
        and Initialize_Scalars is enabled, compile right-hand side with checks
        off, because the value is purposely out of range.

2008-03-26  Vincent Celier  <celier@adacore.com>

        * gnatcmd.adb: Add processing for GNAT SYNC

        * vms_conv.ads: (Command_Type): Add command Sync

        * vms_conv.adb (Initialize): Add Command_List data for new command Sync

        * vms_data.ads: Add entries for -gnatw.w
        Add qualifier for gnatstub --header-file option
        Add switches for GNAT SYNC

        * prj-attr.ads, prj-attr.adb: Add new package Synchronize for GNAT SYNC
        (Add_Package_Name): New procedure
        (Package_Name_List): New function
        (Initialize): Add known package names to the list
        (Register_New_Package): Add the new package name to the list

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * g-pehage.adb, g-regist.adb, g-spipat.ads, g-spipat.adb,
        s-asthan.adb, s-parint.adb, s-rpc.adb, s-stchop.adb: Replace
        Raise_Exception by "raise with" construct.

2008-03-26  Pascal Obry  <obry@adacore.com>

        * Makefile.in: Add proper GNAT.Serial_Communications implementation on
        supported platforms.
        
        * Makefile.rtl: Add g-sercom.o.
        
        * impunit.adb: Add g-sercom.adb.
        
        * s-crtl.ads (open): New routine.
        (close): Likewise.
        (write): Likewise.
        
        * s-osinte-mingw.ads (BYTE): New type.
        (CHAR): Likewise.
        (OVERLAPPED): Likewise.
        (GENERIC_READ): New constant.
        (GENERIC_WRITE): Likewise.
        (OPEN_EXISTING): Likewise.
        (PSECURITY_ATTRIBUTES): Removed this type, use anonymous access
        type instead.
        (CreateFile): New routine.
        (WriteFile): Likewise.
        (ReadFile): Likewise.
        (CloseHandle): Move next to the other file oriented routines.

        * g-sercom.ads: New unit.

        * g-sercom.adb: Default implementation, calls to this unit will raise
        a program error exception.
        
        * g-sercom-mingw.adb, g-sercom-linux.adb: Windows and
        GNU/Linux implementations.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * itypes.adb (Create_Itype): Use new name Access_Subprogram_Kind

        * sem_ch13.adb (Validate_Unchecked_Conversion): Give warning for
        unchecked conversion for different conventions only for subprogram
        pointers or on VMS.

2008-03-26  Vincent Celier  <celier@adacore.com>

        * osint-c.adb (Set_Library_Info_Name): Use canonical case file names
        to check if the specified object file is correct.

2008-03-26  Thomas Quinot  <quinot@adacore.com>

        * sem_cat.adb (Validate_RACW_Primitives): Do not rely on
        Comes_From_Source to exclude primitives from being checked. We want to
        exclude predefined primitives only, so use the appropriate specific
        predicate. Also, flag a formal parameter of an anonymous
        access-to-subprogram type as illegal for a primitive operation of a
        remote access to class-wide type.

2008-03-26  Vincent Celier  <celier@adacore.com>

        * prj-dect.adb (Parse_Package_Declaration): When a package name is not
        known, check if it may be a missspelling of a known package name. In
        not verbose, not mode, issue warnings only if the package name is a
        possible misspelling.
        In verbose mode, always issue a warning for a not known package name,
        plus a warning if the name is a misspelling of a known package name.

        * prj-part.adb (Post_Parse_Context_Clause): Modify so that only non
        limited withs or limited withs are parse during one call.
        (Parse_Single_Project): Post parse context clause in two passes: non
        limited withs before current project and limited withs after current
        project.

        * prj-proc.adb (Imported_Or_Extended_Project_From): Returns an extended
        project with the name With_Name, even if it is only extended indirectly.
        (Recursive_Process): Process projects in order: first single withs, then
        current project, then limited withs.

        * prj-tree.adb (Imported_Or_Extended_Project_Of): Returns an extended
        project with the name With_Name, even if it is only extended indirectly.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * scn.adb (Initialize_Scanner): Format messages belong on standard error

2008-03-26  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch10.adb (Analyze_Compilation_Unit): if a unit in the context is
        a generic subprogram that is imported, do not attempt to compile
        non-existent body.

        * sem_ch12.adb (Instantiate_Subprogram_Body): if the generic is
        imported, do not generate a raise_program_error for the non-existent
        body.
        (Pre_Analyze_Actuals): If an error is detected during pre-analysis,
        perform minimal name resolution on the generic to avoid spurious
        warnings.
        (Find_Actual_Type): the designated type of the actual in a child unit
        may be declared in a parent unit without being an actual.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * sem_ch11.adb: Fix No_Exception_Restriction violation for SJLJ
        * sinfo.ads, sinfo.adb (From_At_End): New flag

2008-03-26  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch6.adb (Analyze_Subprogram_Body): Remove spurious check on
        operations that have an interface parameter.
        (Analyze_Subprogram_Body): Set Is_Trivial_Subprogram flag
        Don't treat No_Return call as raise.

        * sem_disp.adb (Check_Dispatching_Operations): apply check for
        non-primitive interface primitives to access parameters, not to all
        parameters of an access type.

2008-03-26  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch7.adb (Install_Parent_Private_Declarations): If the private
        declarations of a parent unit are made visible when compiling a child
        instance, the parent is not a hidden open scope, even though it may
        contain other pending instance.
        
        * sem_ch8.adb (Restore_Scope_Stack): If an entry on the stack is a
        hidden open scope for some child instance, it does affect the
        visibility status of other stach entries.
        (Analyze_Object_Renaming): Check that a class-wide object cannot be
        renamed as an object of a specific type.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * sem_res.adb (Check_Infinite_Recursion): Diagnose definite infinite
        recursion and raise SE directly.
        (Resolve_Actuals): Reset Never_Set_In_Source if warnings off is
        set for formal type for IN mode parameter.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * sem_warn.ads, sem_warn.adb (Warnings_Off_Pragmas): New table
        (Initialize): New procedure
        (Output_Warnings_Off_Warnings): New procedure
        (Check_References): Suppress certain msgs if Is_Trivial_Subprogram
        (Output_Non_Modifed_In_Out_Warnings): Ditto
        (Warn_On_Unreferenced_Entity): Ditto

2008-03-26  Vincent Celier  <celier@adacore.com>

        * a-direct.adb (Start_Search): Raise Use_Error if the directory is not
        readable.

2008-03-26  Matthew Heaney  <heaney@adacore.com>

        * a-ciorse.ads, a-cidlli.ads, a-cdlili.ads, a-cihase.ads, a-cohase.ads, 
        a-ciorma.ads, a-coorma.ads, a-ciormu.ads, a-coormu.ads, a-coorse.ads:
        Marked with clauses as private, and controlled operations as overriding

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * g-byorma.adb (Read_BOM): Reorder tests so that UTF_32 is recognized

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * back_end.adb, back_end.ads: Minor reformatting

        * bindgen.adb: Minor clarification of comments

        * fname.ads: Minor comment fixes

        * g-altive.ads, g-catiio.ads, g-trasym.ads, prj.ads,
        prj-nmsc.adb, sem_aggr.adb: Minor reformatting

        * xeinfo.adb, xnmake.adb, xsinfo.adb, xtreeprs.adb,
        xsnames.adb: Remove warnings off pragma no longer needed

        * a-catizo.ads, a-calari.ads, a-calfor.adb,
        a-calfor.ads: Fix header.

2008-03-26  Tristan Gingold  <gingold@adacore.com>

        * init.c: Do not adjust pc for HPARITH on alpha/vms.

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * lib-xref.adb: (OK_To_Set_Reference): New function
        (Generate_Reference): Don't set referenced from occurrence in Warnings,
        Unmodified, or Unreferenced pragma

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * alloc.ads: Add entries for Warnings_Off_Pragmas table

2008-03-26  GNAT Script  <nobody@adacore.com>

        * Make-lang.in: Makefile automatically updated

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * tbuild.ads, tbuild.adb, trans.c, sprint.adb, exp_prag.adb, decl.c,
        par-ch2.adb, sem_elab.adb, sem_util.ads (N_Pragma): Chars field
        removed, use Chars (Pragma_Identifier (..  instead, adjustments
        throughout to accomodate this change.

        * s-pooglo.ads, s-pooloc.ads: Minor comment updates

        * exp_dbug.adb: Use Sem_Util.Set_Debug_Info_Needed (not
        Einfo.Set_Needs_Debug_Info)

2008-03-26  Robert Dewar  <dewar@adacore.com>

        * gnat_ugn.texi: Add documentation for -gnatw.w/-gnatw.W
        Add description for the new gnatstub option '--header-file'
        clarification of -gnatwz/-gnatwZ
        Add a "Irix-Specific Considerations" section to document the need to
        set LD_LIBRARY_PATH when using the default shared runtime library.
        Added documentation for both gcov and gprof.

        * gnat_rm.texi: Document that pragma Compile_Time_Warning generates
        messages that are not suppressed when clients are compiled.
        Add documentation of s-pooglo s-pooloc
        Document the new GNAT.Serial_Communications API.
        Add documentation for 'Old attribute
        Add description of pragma Optimize_Alignment

        * ug_words: Add entries for -gnatw.w -gnatw.W

        * usage.adb: Add line for -gnatw.w (warn on warnings off)

2008-03-25  Eric Botcazou  <ebotcazou@adacore.com>

        Revert
        2008-03-05  Eric Botcazou  <ebotcazou@adacore.com>
        PR ada/35186
        * decl.c (maybe_pad_type): Avoid padding an integral type when
        bumping its alignment is sufficient.

2008-03-25  Arnaud Charlet  <charlet@adacore.com>

        * exp_ch6.adb, exp_disp.adb: Update copyright notice.
        Fix wrong formatting (lines too long)

2008-03-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * 9drpc.adb, a-caldel-vms.adb, a-caldel.adb,
        a-calend-vms.adb, a-calend.adb, a-calend.ads,
        a-calfor.adb, a-chahan.ads, a-chtgke.adb,
        a-cihama.ads, a-ciorse.adb, a-clrefi.ads,
        a-cohama.ads, a-comlin.ads, a-coorse.adb,
        a-crbtgk.adb, a-direct.adb, a-except-2005.adb,
        a-except-2005.ads, a-except.adb, a-except.ads,
        a-exexda.adb, a-exexpr-gcc.adb, a-exexpr.adb,
        a-exextr.adb, a-filico.ads, a-finali.ads,
        a-intnam-aix.ads, a-intnam-solaris.ads, a-ngcefu.adb,
        a-ngelfu.adb, a-numaux-darwin.adb, a-numeri.ads,
        a-sequio.ads, a-strbou.ads, a-strfix.adb,
        checks.adb, exp_ch3.adb, exp_ch4.adb,
        exp_ch4.ads, exp_ch5.adb, exp_ch6.adb,
        exp_ch6.ads, exp_ch7.adb, exp_ch7.ads,
        exp_ch9.adb, exp_ch9.ads, exp_dbug.adb,
        exp_dbug.ads, exp_disp.adb, exp_dist.adb,
        exp_dist.ads, exp_fixd.adb, exp_fixd.ads: Fix comment typos.

2008-03-24  Robert Dewar  <dewar@adacore.com>

        * s-tpopsp-posix.adb, s-tpopsp-solaris.adb, s-tpopsp-posix-foreign.adb,
        s-tpopsp-lynxos.adb, s-tpopde-vms.ads, s-tpopde-vms.adb,
        s-tpopsp-vxworks.adb, s-casi16.adb, s-caun16.adb, s-inmaop.ads,
        s-tadeca.adb, s-tadeca.ads, s-tadert.adb, s-tadert.ads, s-tpinop.adb,
        s-tpinop.ads, s-tporft.adb, a-rbtgso.adb, a-crbtgo.ads, a-crbtgo.adb,
        a-crbtgk.ads, a-crbtgk.adb, a-ciorse.adb, a-cihama.ads, a-cihama.adb,
        a-cidlli.ads, a-cidlli.adb, a-chtgop.ads, a-chtgop.adb, a-cgcaso.ads,
        a-cgcaso.adb, a-cgaaso.adb, a-ciormu.adb, a-cihase.adb, a-swuwha.ads,
        a-rbtgso.ads, a-cgaaso.ads, a-cgaaso.ads, a-ciorma.adb, a-chtgke.ads,
        a-chtgke.adb, a-llfzti.ads, a-ztenau.adb, a-ztenau.ads, a-stzhas.ads,
        a-szbzha.ads, a-szbzha.adb, a-crdlli.ads, a-crdlli.ads, a-crdlli.adb,
        i-forbla-darwin.adb, i-forbla.ads, s-regexp.adb, a-nllrar.ads,
        a-nlrear.ads, a-nucoar.ads, a-nurear.ads, i-forlap.ads, s-gearop.adb,
        s-gearop.ads, s-gecobl.adb, s-gecobl.ads, s-gecola.adb, s-gecola.ads,
        s-gerebl.adb, s-gerela.ads, a-swuwha.adb, i-forbla-unimplemented.ads,
        double spaced if it fits on one line and otherwise single spaced.

2008-03-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR documentation/15479
        * Make-lang.in (doc/gnat_ugn.texi) Renamed from ...
        (doc/gnat_ugn_unw.texi): ... this, and adjusted.
        (doc/gnat_ugn.info): Renamed from ...
        (doc/gnat_ugn_unw.info): ... this.
        (doc/gnat_ugn.dvi): Renamed from ...
        (doc/gnat_ugn_unw.dvi): ... this.
        (doc/gnat_ugn.pdf): Renamed from ...
        (doc/gnat_ugn_unw.pdf): ... this.
        (ADA_INFOFILES, ADA_PDFFILES, ada.install-info, ada.dvi):
        Adjusted.
        * gnat_ugn.texi (FILE): Hard-code gnat_ugn; set filename
        unconditionally to gnat_ugn.info.  Fix cross references to the
        GNAT Reference Manual.  Convert links to the GCC, GDB, Emacs,
        and GNU make manuals to be proper texinfo links.
        * gnat_rm.texi: Fix cross references to the GNAT User's Guide.

2008-03-21  Olivier Hainque  <hainque@adacore.com>

        * trans.c (Attribute_to_gnu) <'length>: Compute as (hb < lb)
        ? 0 : hb - lb + 1 instead of max (hb - lb + 1, 0).

2008-03-21  Eric Botcazou  <ebotcazou@adacore.com>

        * trans.c (addressable_p): Add notes on addressability issues.

2008-03-21  Olivier Hainque  <hainque@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>

        * trans.c (addressable_p): Accept COND_EXPR when both arms
        are addressable.
        (gnat_gimplify_expr): Let the gimplifier handle &COND_EXPR.
        (call_to_gnu): Do not use name reference in the error message
        for a misaligned by_reference_parameter. The actual may be a
        general expression.

2008-03-18  Paolo Bonzini  <bonzini@gnu.org>

        * misc.c (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.

2008-03-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * gnat_rm.texi (Implementation Defined Characteristics)
        (Wide_Text_IO, Wide_Wide_Text_IO): Add @var annotations where
        appropriate.
        * gnat_ugn.texi (Wide Character Encodings, Switches for gnatbind)
        (Switches for gnatchop, Installing a library): Likewise.

2008-03-10  Eric Botcazou  <ebotcazou@adacore.com>

        * trans.c (emit_range_check): Do not emit the check if the base type
        of the expression is the type against which its range must be checked.

2008-03-08  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (maybe_pad_type): Use value_factor_p.

2008-03-08  Eric Botcazou  <ebotcazou@adacore.com>

        * lang.opt (nostdlib): Move around.
        * misc.c (gnat_handle_option): Fix formatting.
        (gnat_dwarf_name): Move around.
        * trans.c (Case_Statement_to_gnu): Fix formatting.
        (gnat_to_gnu): Likewise.
        * utils.c (aggregate_type_contains_array_p): Likewise.
        (create_subprog_decl): Likewise.

2008-03-08  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <E_Signed_Integer_Subtype>: Do not
        bother propagating the TYPE_USER_ALIGN flag when creating a JM type.

2008-03-08  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <E_Record_Type>: Do not force
        BIGGEST_ALIGNMENT when capping the alignment of records with
        strict alignment and size clause.

2008-03-08  Eric Botcazou  <ebotcazou@adacore.com>

        * lang-specs.h: Pass -gnatwa if -Wall is passed.
        * misc.c (gnat_handle_option) <OPT_Wall>: Expand into -Wunused
        and -Wuninitialized.
        (gnat_post_options): Clear warn_unused_parameter.

2008-03-08  Eric Botcazou  <ebotcazou@adacore.com>

        * utils.c (finish_record_type): Clear DECL_BIT_FIELD on sufficiently
        aligned bit-fields, bumping the alignment of the record type if deemed
        profitable.
        (value_factor_p): Return false instead of 0.

2008-03-08  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <E_Signed_Integer_Subtype>: Add support
        for scalar types with small alignment.

2008-03-08  Eric Botcazou  <ebotcazou@adacore.com>

        * trans.c (Loop_Statement_to_gnu): Set the SLOC of the loop label
        from that of the front-end's end label.
        (gnat_gimplify_stmt) <LOOP_STMT>: Set the SLOC of the backward goto
        from that of the loop label.

2008-03-07  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <E_Modular_Integer_Subtype>: Add
        comment for the packed array type case.
        * utils.c (build_template): Use a loop to strip padding or
        containing records for justified modular types.

2008-03-07  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity): Issue a warning on suspiciously
        large alignments specified for types.
        (validate_alignment): Minor cleanup.

2008-03-07  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (MAX_FIXED_MODE_SIZE): Define if not already defined.
        (gnat_to_gnu_entity) <E_Record_Type>: Try to get a smaller form of
        the component for packing, if possible, as well as if a component
        size clause is specified.
        <E_Record_Subtype>: For an array type used to implement a packed
        array, get the component type from the original array type.
        Try to get a smaller form of the component for packing, if possible,
        as well as if a component size clause is specified.
        (round_up_to_align): New function.
        (make_packable_type): Add in_record parameter.
        For a padding record, preserve the size.  If not in_record and the
        size is too large for an integral mode, attempt to shrink the size
        by lowering the alignment.
        Ditch the padding bits of the last component.
        Compute sizes and mode manually, and propagate the RM size.
        Return a BLKmode record type if its size has shrunk.
        (maybe_pad_type): Use MAX_FIXED_MODE_SIZE instead of BIGGEST_ALIGNMENT.
        Use Original_Array_Type to retrieve the type in case of an error.
        Adjust call to make_packable_type.
        (gnat_to_gnu_field): Likewise.
        (concat_id_with_name): Minor tweak.
        * trans.c (larger_record_type_p): New predicate.
        (call_to_gnu): Compute the nominal type of the object only if the
        parameter is by-reference.  Do the conversion actual type -> nominal
        type if the nominal type is a larger record.
        (gnat_to_gnu): Do not require integral modes on the source type to
        avoid the conversion for types with identical names.
        (addressable_p): Add gnu_type parameter.  If it is specified, do not
        return true if the expression is not addressable in gnu_type.
        Adjust recursive calls.
        * utils.c (finish_record_type): Remove dead code.

2008-03-05  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/35186
        * decl.c (maybe_pad_type): Avoid padding an integral type when
        bumping its alignment is sufficient.

2008-03-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * gnatfind.adb, gnatxref.adb: Fix argument parsing typos.
        * s-auxdec-empty.adb, s-auxdec.adb: Fix typos in copyright
        statement.
        * a-ngcoar.adb, a-ngrear.adb, g-awk.adb, g-debpoo.adb,
        gprep.adb, make.adb, makegpr.adb, par-ch6.adb, prj-nmsc.adb,
        sem_attr.adb, sem_ch4.adb, sem_ch8.adb: Fix typos in ada source
        code output strings.
        * sem_type.adb, system-vms-ia64.ads, system-vms.ads,
        system-vms_64.ads: Fix typos in ada source code comments.
        * sinfo-cn.adb: Remove incomplete sentence.

        PR documentation/15479
        * gnat_rm.texi, gnat_ugn.texi: Avoid standalone `non' word.

2008-02-27  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/22255
        * s-fileio.adb (Reset): Do not raise Use_Error if mode isn't changed.

2008-02-27  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/34799
        * sem_ch13.adb (Analyze_Record_Representation_Clause): Check
        that underlying type is present.

2008-02-26  Tom Tromey  <tromey@redhat.com>

        * misc.c (internal_error_function): Remove test of
        USE_MAPPED_LOCATION.
        * trans.c (gigi): Remove test of USE_MAPPED_LOCATION.
        (Sloc_to_locus): Remove old location code.

2008-02-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * gnat_rm.texi, gnat_ugn.texi: Fix spacing after `e.g.' and
        `i.e.' by adding comma or `@:' as appropriate.
        * gnat_rm.texi (Pragma Wide_Character_Encoding): Instead of
        plain characters `C', use `@samp{C}'.
        * gnat_ugn.texi (File Naming Rules, About gnatkr)
        (Krunching Method): Likewise.

        * gnat_ugn.texi (Conventions): List environment variables and
        metasyntactic variables.
        (Compiling Programs): Fix notation of metasyntactic variables.
        Add @file where appropriate.  Use @file for file extensions,
        @samp for strings.
        * gnat_rm.texi, gnat_ugn.texi: Where appropriate, use @samp
        instead of @file, @env instead of @code.

2008-02-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR documentation/15479
        * gnat_rm.texi, gnat_ugn.texi: Where appropriate, replace `..'
        and `...' with `@dots{}' or `@enddots{}'.

        PR documentation/15479
        * gnat_rm.texi, gnat_ugn.texi: Where appropriate, add @command,
        use @command instead of @code, @option instead of @samp or @code,
        @code instead of @var, @samp instead of @file.

        PR documentation/15479
        * gnat_ugn.texi (Using gnatmake in a Makefile): Do not ignore errors
        in Makefile rules, by using `&&' rather than `;'.

2008-02-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        PR documentation/15479
        * gnat_ugn.texi: In non-code, avoid space before colon.
        (Regular Expressions in gnatfind and gnatxref): Fix indentation.
        (Examples of gnatxref Usage): Use @command{vi} instead of
        @file{vi}.
        (Character Set Control): Do not use @code for UTF-8.
        (Validity Checking): Fix typo "NaNs" instead of "NaN's".  Do not
        use @code for IEEE.
        * gnat_rm.texi (Aggregates with static bounds): Fix typo in code
        sample.
        * gnat_rm.texi, gnat_ugn.texi: Fix typos.  Bump copyright years.

2008-02-11  Joel Sherrill  <joel.sherrill@oarcorp.com>

        PR ada/35143
        * env.c: Add __rtems__ to if defined.
        * s-osinte-rtems.adb: Add To_Target_Priority.  Fix formatting.
        * s-osinte-rtems.ads: Add To_Target_Priority prototype and
        PTHREAD_SCOPE_PROCESS/PTHREAD_SCOPE_SYSTEM constants.  Add
        pragma Convention as required.
        * gsocket.h: Make compile in and out of RTS.
        * Makefile.in: Add system-rtems.ads.  Build DEC extensions.
        Use g-soccon-rtems.ads.
        * g-soccon-rtems.ads, system-rtems.ads: New files.

2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        PR other/35107
        * Make-lang.in (gnat1): Add $(GMPLIBS).

2008-01-26  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (components_to_record): Improve comment.

2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (components_to_record): Do not reuse the empty union type
        if there is a representation clause on the record.
        * trans.c (addressable_p): Return true for INTEGER_CST.

2008-01-21  Eric Botcazou  <ebotcazou@adacore.com>

        * trans.c (gnat_to_gnu) <N_Free_Statement>: Use POINTER_PLUS_EXPR
        in pointer arithmetics.
        * utils2.c (build_allocator): Likewise.

2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>

        * utils.c (build_function_stub): Properly build the call expression.

2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>

        * decl.c (gnat_to_gnu_entity) <object>: Process renamings
        before converting the expression to the type of the object.
        * trans.c (maybe_stabilize_reference) <CONSTRUCTOR>: New case.
        Stabilize constructors for special wrapping types.

2008-01-13  Eric Botcazou  <ebotcazou@adacore.com>

        * trans.c (call_to_gnu): Invoke the addressable_p predicate only
        when necessary.  Merge some conditional statements.  Update comments.
        Rename unchecked_convert_p local variable to suppress_type_conversion.
        Do not suppress conversions in the In case.
        (addressable_p) <VIEW_CONVERT_EXPR>: Do not take alignment issues
        into account on non strict-alignment platforms.

2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>

        * utils.c (aggregate_type_contains_array_p): New predicate.
        (create_field_decl): In a packed record, force byte alignment
        for fields without specified position that contain an array.

2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>

        * utils.c (unchecked_convert): Fold the VIEW_CONVERT_EXPR expression.

2008-01-10  John David Anglin  <dave.anglin.@nrc-cnrc.gc.ca>

        PR ada/34466
        * s-osinte-linux-hppa.ads (SC_NPROCESSORS_ONLN): New constant for
        sysconf call.
        (bit_field): New packed boolean type used by cpu_set_t.
        (cpu_set_t): New type corresponding to the C type with
        the same name. Note that on the Ada side we use a bit
        field array for the affinity mask. There is not need
        for the C macro for setting individual bit.
        (pthread_setaffinity_np): New imported routine.

2008-01-03  Tero Koskinen  <tero.koskinen@iki.fi>

        PR ada/34647
        * adaint.c (__gnat_open_new_temp, __gnat_tmp_name): Use mkstemp()
        on OpenBSD as is done on other BSD systems.

        PR ada/34645
        * sysdep.c (__gnat_ttyname, getc_immediate_nowait,
        getc_immediate_common): Treat OpenBSD as FreeBSD regarding immediate
        I/O.

        PR ada/34644
        * env.c (__gnat_clearenv): Treat OpenBSD as other BSD systems missing
        clearenv().

        PR ada/34646
        * init.c (__gnat_error_handler, __gnat_install_handler,
        __gnat_init_float): Define for OpenBSD.

        * initialize.c (__gnat_initialize): Define for OpenBSD.

2007-12-27  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/34553
        * adaint.c (__gnat_open_new_temp, __gnat_tmp_name): Use mkstemp()
        instead of mktemp() or tmpnam() on NetBSD.

2007-12-23  Eric Botcazou  <ebotcazou@adacore.com>

        * trans.c (call_to_gnu): Make the temporary for non-addressable
        In parameters passed by reference.
        (addressable_p): Return true for STRING_CST and CALL_EXPR.

2007-12-19  Robert Dewar  <dewar@adacore.com>

        * g-expect-vms.adb, g-expect.adb, s-poosiz.adb: 
        Add pragma Warnings (Off) for unassigned IN OUT arguments

        * sem_warn.adb (Output_Reference): Suppress messages for internal names
        (Check_References): Extensive changes to tune up warnings
        (Output_Non_Modifed_In_Out_Warnings): Changes to tune up warnings
        (Has_Pragma_Unmodifed_Check_Spec): New function
        (Check_References): Implement pragma Unmodified
        (Warn_On_Unassigned_Out_Parameter): Implement pragma Unmodified

        * par-prag.adb: Dummy entry for pragma Unmodified

        * sem_prag.adb: Implement pragma Unmodified

        * einfo.ads, einfo.adb: (Has_Pragma_Unmodified): New flag
        (Proc_Next_Component_Or_Discriminant): Fix typo.
        Update comments.

        * sem_util.adb (Note_Possible_Modification): Add processinng for pragma
        Unmodified.
        (Reset_Analyzed_Flags): Use Traverse_Proc instead of Traverse_Func,
        because the former already takes care of discarding the result.
        (Mark_Coextensions): Remove ununused initial value from Is_Dynamic.
        Add comment.

        * snames.h, snames.ads, snames.adb: Add entry for pragma Unmodified

2007-12-19  Eric Botcazou  <ebotcazou@adacore.com>

        * targparm.adb, targparm.ads, system.ads, system-darwin-ppc.ads,
        system-vxworks-x86.ads, system-linux-ppc.ads, system-linux-hppa.ads,
        system-hpux-ia64.ads, system-vxworks-arm.ads, system-darwin-x86.ads,
        system-vms_64.ads, system-vms-ia64.ads, system-linux-ia64.ads,
        system-freebsd-x86.ads, system-linux-x86_64.ads, system-tru64.ads,
        system-aix.ads, system-vxworks-sparcv9.ads, system-solaris-x86.ads,
        system-irix-o32.ads, system-irix-n32.ads, system-hpux.ads,
        system-vxworks-m68k.ads, system-linux-x86.ads, system-vxworks-mips.ads,
        system-solaris-sparc.ads, system-solaris-sparcv9.ads, system-vms.ads,
        system-mingw.ads, system-vms-zcx.ads, system-vxworks-ppc.ads
        (Dynamic_Trampolines_Used): Delete.

        * system-lynxos-x86.ads, system-lynxos-ppc.ads: Ditto.
        Turn on stack probing mechanism on LynxOS.

2007-12-19  Bob Duff  <duff@adacore.com>

        * atree.ads, atree.adb (Traverse_Func): Walk Field2 last, and eliminate
        the resulting tail recursion by hand. This prevents running out of
        memory on deeply nested concatenations, since Field2 is where the left
        operand of concatenations is stored.
        Fix bug (was returning OK_Orig in some cases). Fix return subtype to
        clarify that it can only return OK or Abandon.

        * sem_res.adb (Resolve_Op_Concat): Replace the recursion on the left
        operand by iteration, in order to avoid running out of memory on
        deeply-nested concatenations. Use the Parent pointer to get back up the
        tree.
        (Resolve_Op_Concat_Arg, Resolve_Op_Concat_First,
         Resolve_Op_Concat_Rest): New procedures split out of
        Resolve_Op_Concat, so the iterative algorithm in Resolve_Op_Concat is
        clearer.

        * checks.adb (Remove_Checks): Use Traverse_Proc instead of
        Traverse_Func, because the former already takes care of discarding the
        result.

        * errout.adb (First_Node): Use Traverse_Proc instead of Traverse_Func,
        because the former already takes care of discarding the result.
        (Remove_Warning_Messages): Use appropriate subtype for Status and
        Discard 

2007-12-19  Ed Schonberg  <schonberg@adacore.com>

        * exp_aggr.adb (Not_OK_For_Backend): A component of a private type with
        discriminants forces expansion of the aggregate into assignments.
        (Init_Record_Controller):  If the type of the aggregate is untagged and
        is not inherently limited, the record controller is not limited either.

2007-12-19  Robert Dewar  <dewar@adacore.com>

        * exp_attr.adb (Expand_N_Attribute_Reference, case Size): Fix error in
        handling compile time known size of record or array (case of front end
        layout active, e.g. in GNAAMP).

2007-12-19  Javier Miranda  <miranda@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): Complete the circuitry
        that forces the construction of static dispatch tables in case of
        record subtypes.

2007-12-19  Robert Dewar  <dewar@adacore.com>

        * exp_ch9.adb (Null_Statements): Moved to library level
        (Trivial_Accept_OK): New function
        (Expand_Accept_Declaration): Use Trivial_Accept_OK
        (Expand_N_Accept_Statement): Use Trivial_Accept_OK

2007-12-19  Robert Dewar  <dewar@adacore.com>

        * exp_pakd.adb (Expand_Bit_Packed_Element_Set): Fix packed array type
        in complex case where array is Volatile.

2007-12-19  Ed Schonberg  <schonberg@adacore.com>

        * freeze.adb (Freeze_Record_Type, Check_Current_Instance): Implement
        properly the Ada2005 rules concerning when the current instance of a
        record type is aliased.

2007-12-19  Ed Schonberg  <schonberg@adacore.com>

        * par-ch3.adb (P_Record_Declaration): Guard against cascaded errors in
        mangled declaration
        (P_Type_Declaration): Diagnose misuse of "abstract" in untagged record
        declarations.
        (P_Variant_Part): Cleaner patch for parenthesized discriminant

2007-12-19  Vincent Celier  <celier@adacore.com>

        * prj-attr.adb (Package_Node_Id_Of): Returns Unknown_Package when
        package is not known

        * prj-attr.ads (Unknown_Package): New constant
        Do not crash when an unknown package is in several projects

        * prj-dect.adb (Parse_Package_Declaration): Mark an unknown package as
        ignored

        * prj-nmsc.adb (Check): Remove obsolete code related to no longer
        existing package Language_Processing.

2007-12-19  Ed Schonberg  <schonberg@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>
            Samuel Tardieu  <sam@rfc1149.net>

        PR ada/15803, ada/15805
        * sem_ch6.adb, sem_ch3.adb (Constrain_Access): In Ada2005, diagnose
        illegal access subtypes when there is a constrained partial view.
        (Check_For_Premature_Usage): New procedure inside
        Access_Subprogram_Declaration for checking that an access-to-subprogram
        type doesn't reference its own name within any formal parameters or
        result type (including within nested anonymous access types).
        (Access_Subprogram_Declaration): Add call to Check_For_Premature_Usage.
        (Sem_Ch3.Analyze_Object_Declaration, Sem_ch6.Process_Formals): if the
        context is an access_to_variable, the expression cannot be an
        access_to_constant.

2007-12-19  Bob Duff  <duff@adacore.com>

        * sem_ch4.adb (Analyze_Concatenation_Rest): New procedure.
        (Analyze_Concatenation): Use iteration instead of recursion in order
        to avoid running out of stack space for deeply nested concatenations.

2007-12-19  Ed Schonberg  <schonberg@adacore.com>
            Gary Dismukes  <dismukes@adacore.com>

        * sem_ch8.adb (Analyze_Subprogram_Renaming): Diagnose illegal renamings
        whose renamed entity is a subprogram that requires overriding.
        (Premature_Usage): Test for the case of N_Full_Type_Declaration when
        issuing an error for premature usage and issue a message that says
        'type' rather than 'object'.

2007-12-19  Gary Dismukes  <dismukes@adacore.com>

        PR ada/34149
        * sem_disp.adb (Check_Dispatching_Call): Augment existing test for
        presence of a statically tagged operand (Present (Static_Tag)) with
        test for Indeterm_Ancestor_Call when determining whether to propagate
        the static tag to tag-indeterminate operands (which forces dispatching
        on such calls).
        (Check_Controlling_Formals): Ada2005, access parameters can have
        defaults.
        (Add_Dispatching_Operation, Check_Operation_From_Private_View): do
        not insert subprogram in list of primitive operations if already there.

2007-12-19  Tristan Gingold  <gingold@adacore.com>

        * utils.c (create_var_decl_1): call rest_of_decl_compilation only for
        global variable.

2007-12-19  Thomas Quinot  <quinot@adacore.com>

        Part of PR ada/33688
        * gen-soccon.c: Add constant IP_PKTINFO to allow getting ancillary
        datagram info on Linux.

2007-12-19  Vincent Celier  <celier@adacore.com>

        * makegpr.adb (Check_Compilation_Needed): Normalize C_Source_Path so
        that the source path name is always found in the dependencies.

2007-12-19  Robert Dewar  <dewar@adacore.com>

        * gnat_rm.texi, gnat_ugn.texi: Update documentation of -gnatw.o
        Fix name of Wide_Wide_Latin_1/9 file names
        Add documentation for Ada.Exceptions.Last_Chance_Handler (a-elchha.ads)
        Add missing documentation for Ada.Wide_[Wide_]Characters.Unicode
        Add missing documentation for Ada.Command_Line.Response_File
        Update list of warning letters for Warnings pragma
        Add documentation for pragma Unmodified

2007-12-19  Samuel Tardieu  <sam@rfc1149.net>

        * Makefile.in: Add s-tasinf.ad[bs] substitutions for sh4-linux target.

2007-12-17  Arnaud Charlet  <charlet@adacore.com>

        * s-vxwork-alpha.ads: Removed, no longer used.

2007-12-15  Jakub Jelinek  <jakub@redhat.com>

        * Make-lang.in (gnat1, gnatbind): Pass ALL_CFLAGS on the link line.

2007-12-13  Samuel Tardieu  <sam@rfc1149.net>

        PR ada/34360
        * Makefile.in: Change two occurrences of mlib-tgt.adb by correct name
        mlib-tgt-specific.adb.

2007-12-13  Bob Duff  <duff@adacore.com>

        * trans.c (Attribute_to_gnu): Check for violations of the
        No_Implicit_Dynamic_Code restriction. This checking used to be done in
        the front end, but is moved here so we can make it more accurate.

2007-12-13  Pascal Obry  <obry@adacore.com>

        * adaint.c (__gnat_pthread_setaffinity_np): New routine. A dummy
         version is provided for older GNU/Linux distribution not
         supporting thread affinity sets.
        
        * s-osinte-linux.ads (SC_NPROCESSORS_ONLN): New constant for sysconf
        call.
        (bit_field): New packed boolean type used by cpu_set_t.
        (cpu_set_t): New type corresponding to the C type with
        the same name. Note that on the Ada side we use a bit
        field array for the affinity mask. There is not need
        for the C macro for setting individual bit.
        (pthread_setaffinity_np): New imported routine.
        
        * s-taprop-linux.adb (Enter_Task): Check that the CPU affinity mask is
        no null.
        (Create_Task): Set the processor affinity mask if information
        is present.
        
        * s-tasinf-linux.ads, s-tasinf-linux.adb: New files.
        
2007-12-13  Robert Dewar  <dewar@adacore.com>

        * s-osinte-lynxos-3.ads, s-osinte-hpux.ads, s-osinte-solaris-posix.ads, 
        s-osinte-freebsd.ads, s-osinte-lynxos.ads, s-osinte-tru64.ads, 
        s-osinte-mingw.ads, s-osinte-aix.ads, s-osinte-hpux-dce.ads, 
        s-osinte-irix.ads, s-osinte-solaris.ads, s-intman-vms.adb,
        s-osinte-vms.ads, s-osinte-vxworks6.ads, s-osinte-vxworks.ads,
        s-auxdec.ads, s-auxdec-vms_64.ads, s-osinte-darwin.ads, 
        s-taprop-vms.adb, s-interr-sigaction.adb, s-osinte-linux-hppa.ads, 
        i-vxwork-x86.ads, s-tpopde-vms.ads: Add missing pragma Convention C
        for subprogram pointers.

        * g-ctrl_c.adb: New file.

        * g-ctrl_c.ads (Install_Handler): New body.

        * freeze.adb (Freeze_Subprogram): Use new flag Has_Pragma_Inline_Always
        instead of obsolete function Is_Always_Inlined.
        (Freeze_Entity): check for tagged type in imported C subprogram
        (Freeze_Entity): check for 8-bit boolean in imported C subprogram
        (Freeze_Entity): check for convention Ada subprogram pointer in
        imported C subprogram.
        (Freeze_Fixed_Point_Type): In the case of a base type where the low
        bound would be chopped off and go from negative to zero, force
        Loval_Excl_EP to be the same as Loval_Incl_EP (the included lower
        bound) so that the size computation for the base type will take
        negative values into account.

2007-12-13  Eric Botcazou  <ebotcazou@adacore.com>
            Bob Duff  <duff@adacore.com>
            Tristan Gingold  <gingold@adacore.com>

        * system-linux-ia64.ads, system-freebsd-x86.ads, system-lynxos-ppc.ads, 
        system-lynxos-x86.ads, system-linux-x86_64.ads, system-tru64.ads, 
        system-aix.ads, system-vxworks-sparcv9.ads, system-solaris-x86.ads, 
        system-irix-o32.ads, system-irix-n32.ads, system-hpux.ads, 
        system-vxworks-m68k.ads, system-linux-x86.ads, system-vxworks-mips.ads, 
        system-solaris-sparc.ads, system-solaris-sparcv9.ads, system-vms.ads, 
        system-mingw.ads, system-vms-zcx.ads, system-vxworks-ppc.ads, 
        system-vxworks-arm.ads, system-darwin-x86.ads, system.ads,
        system-vms_64.ads, system-darwin-ppc.ads, system-vxworks-x86.ads, 
        system-linux-ppc.ads, system-linux-hppa.ads, system-hpux-ia64.ads,
        system-vms-ia64.ads (Stack_Check_Limits): New target parameter.
        (Always_Compatible_Rep): New flag to control trampolines globally.
        (Dynamic_Trampolines_Used): New flag for implementing the
        No_Implicit_Dynamic_Code restriction more correctly (not yet used,
        and not yet set correctly for some targets).

        * s-taprop-vxworks.adb: Use stack limit method of stack checking.
        Simply indirectly call s-stchop when a task is created.

        * ali.ads: 
        New flag added: Stack_Check_Switch_Set which is set when '-fstack-check'
        appears as an argument (entries A) in an ALI file.

        * fe.h (Stack_Check_Limits): Declare new target parameter.
        (Check_Implicit_Dynamic_Code_Allowed): New procedure.

        * init.c: Declare __gnat_set_stack_limit_hook for VxWorks kernel RTS.
        This variable is declared in C to be sure not subject to elaboration
        code.
        (__gnat_map_signal, VxWorks): In kernel mode, map SIGILL to
        Storage_Error.

        * targparm.ads, targparm.adb (Stack_Check_Limits): New parameter.
        (Always_Compatible_Rep, Dynamic_Trampolines_Used): New parameters.

        * s-stchop.ads: Add comments.

        * s-stchop-vxworks.adb: Package almost fully rewritten to use stack
        limit method of stack checking.

        * s-stchop-limit.ads: New file.

2007-12-13  Robert Dewar  <dewar@adacore.com>

        * sem_ch5.adb, s-taskin.adb, a-ciorma.adb, a-coorma.adb, a-cohama.adb, 
        a-cihama.adb, g-awk.adb, 
        s-inmaop-posix.adb: Update handling of assigned value/unreferenced
        warnings

        * exp_smem.adb: Update handling of assigned value/unreferenced warnings

        * sem.adb: Update handling of assigned value/unreferenced warnings

        * a-exexpr-gcc.adb: Add a pragma warnings off for boolean return

        * lib-xref.ads: Improve documentation for k xref type

        * lib-xref.adb: 
        Update handling of assigned value/unreferenced warnings
        (Generate_Reference): Warning for reference to entity for which a
        pragma Unreferenced has been given should be unconditional.
        If the entity is a discriminal, mark the original
        discriminant as referenced.

        * sem_warn.ads, sem_warn.adb
        (Check_One_Unit): Test Renamed_In_Spec to control giving warning for
        no entities referenced in package
        (Check_One_Unit): Don't give message about no entities referenced in
        a package if a pragma Unreferenced has appeared.
        Handle new warning flag -gnatw.a/-gnatw.A
        Update handling of assigned value/unreferenced warnings

        * atree.h: Add flags up to Flag247
        (Flag231): New macro.

2007-12-13  Jose Ruiz  <ruiz@adacore.com>

        * adaint.h: (__gnat_plist_init): Not defined for RTX.

        * initialize.c (__gnat_initialize): Do not call __gnat_plist_init for
        RTX systems.

        * Makefile.in: Add new files s-tasinf-linux.ads and s-tasinf-linux.adb.
        (LIBGNAT_TARGET_PAIRS, MISCLIB, THREADSLIB,
        EXTRA_GNATRTL_NONTASKING_OBJS, EXTRA_GNATRTL_TASKING_OBJS,
        GNATLIB_SHARED for RTX run time): Use the versions required by RTX.

        * mingw32.h: 
        Do not define GNAT_UNICODE_SUPPORT for RTX since it is not supported.

        * sysdep.c (winflush_function for RTX): Procedure that does nothing
        since we only have problems with Windows 95/98, which are not
        supported by RTX.
        (__gnat_ttyname): Return the empty string on Nucleus, just as
        done on vxworks.

2007-12-13  Robert Dewar  <dewar@adacore.com>

        * a-textio.adb, a-textio.ads: 
        Extensive changes to private part for wide character encoding

        * a-witeio.adb, a-witeio.ads, a-ztexio.ads, a-ztexio.adb
        (Look_Ahead): Fix mishandling of encoded sequences
        Move declaration of Wch_Con to private part (should not be visible)

        * ali.adb (Scan_ALI): Set default encoding method to brackets instead of
        UTF-8. Probably this is never used, but if it is, brackets is
        clearly correct.

        * bindgen.adb (Get_WC_Encoding): New procedure to properly handle
        setting wide character encoding for no main program case and when
        encoding is specified using -W?
        Initialize stack limit of environment task if stack limit method of
        stack checking is enabled.
        (Gen_Adainit_Ada): Use Get_WC_Encoding to output encoding method
        (Gen_Adainit_C): Use Get_WC_Encoding to output encoding method
        (Get_Main_Unit_Name): New function.
        (Gen_Adainit_Ada): Add call to main program for .NET when needed.
        (Gen_Output_File): Set Bind_Main_Program to True for .NET

        * bindusg.adb: Add line for -Wx switch

        * s-wchcon.adb, s-wchcon.ads: (Is_Start_Of_Encoding): New function
        Add comments
        Add new useful constant WC_Longest_Sequences

        * switch-b.adb: Clean up handling of -Wx switch
        For -gnatWx, set Wide_Character_Encoding_Method_Specified

        * switch-c.adb: -gnatg activates warning on assertion errors
        For -gnatWx, set Wide_Character_Encoding_Method_Specified

        * s-wchcon.adb: (Is_Start_Of_Encoding): New function

2007-12-13  Robert Dewar  <dewar@adacore.com>
            Ed Schonberg  <schonberg@adacore.com>

        * a-ngcoty.adb: New pragma Fast_Math

        * opt.adb: New pragma Fast_Math

        * par-prag.adb: 
        Add Implemented_By_Entry to the list of pragmas which do not require any
        special processing.
        (Favor_Top_Level): New pragma.
        New pragma Fast_Math

        * exp_attr.adb: Move Wide_[Wide_]Image routines to Exp_Imgv
        (Expand_N_Attribute_Reference, Displace_Allocator_Pointer,
        Expand_Allocator_Expression): Take into account VM_Target
        (Expand_Attribute, case 'Identity):  Handle properly the case where
        the prefix is a task interface.
        New pragma Fast_Math

        * par.adb (Next_Token_Is): New function
        (P_Pragma): Add Skipping parameter
        (U_Left_Paren): New procedure
        (U_Right_Paren): New procedure
        New pragma Fast_Math

        * par-ch10.adb (P_Subunit): Unconditional msg for missing ) after
        subunit
        New pragma Fast_Math

        * sem_prag.adb: Add significance value to table Sig_Flag for pragma
        Implemented_By_Entry.
        (Analyze_Pragma): Add case for Ada 2005 pragma Implemented_By_Entry.
        (Set_Inline_Flags): Do not try to link pragma Inline onto chain of rep
        items, since it can apply to more than one overloadable entity. Set
        new flag Has_Pragma_Inline_Always for Inline_Always case.
        (Analyze_Pragma, case Complex_Representation): Improve error message.
        (Analyze_Pragma, case Assert): When assertions are disabled build the
        rewritten code with Sloc of expression rather than pragma, so new
        warning about failing is not deleted.
        (Analyze_Pragma): Allow pragma Preelaborable_Initialization to apply to
        protected types and update error message to reflect that. Test whether
        the protected type is allowed for the pragma (an error is issued if the
        type has any entries, or components that do not have preelaborable
        initialization).
        New pragma Fast_Math
        (Analyze_Pragma, case No_Return): Handle generic instance

        * snames.h, snames.ads, snames.adb: 
        Add new predefined name for interface primitive _Disp_Requeue.
        New pragma Fast_Math

        * a-tags.ads, a-tags.adb: New calling sequence for
        String_To_Wide_[Wide_]String
        (Secondary_Tag): New subprogram.

        * exp_imgv.ads, exp_imgv.adb: Move Wide_[Wide_]Image routines here
        from Exp_Attr
        New calling sequence for String_To_Wide_[Wide_]String
        (Expand_Image_Attribute): Major rewrite. New calling sequence avoids
        the use of the secondary stack for image routines.

        * a-except-2005.adb, s-wchstw.ads, s-wchstw.adb, s-wwdenu.adb: New
        calling sequence for String_To_Wide_[Wide_]String

        * par-ch3.adb (P_Declarative_Items): Recognize use of Overriding in
        Ada 95 mode
        (P_Unknown_Discriminant_Part_Opt): Handle missing parens gracefully
        Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List

        * par-ch6.adb (P_Subprogram): Recognize use of Overriding in Ada 95 mode
        (P_Formal_Part): Use Skipping parameter in P_Pragma call
        to improve error recovery

        * par-util.adb (Next_Token_Is): New function
        (Signal_Bad_Attribute): Use new Namet.Is_Bad_Spelling_Of function

        * par-ch2.adb (Skip_Pragma_Semicolon): Do not resynchronize to
        semicolon if missing
        (P_Pragma): Implement new Skipping parameter
        Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List
        Fix location of flag for unrecognized pragma message

        * par-tchk.adb (U_Left_Paren): New procedure
        (U_Right_Paren): New procedure

2007-12-13  Geert Bosch  <bosch@adacore.com>

        * a-tifiio.adb: 
        (Put_Int64): Use Put_Digit to advance Pos. This fixes a case where
        the second or later Scaled_Divide would omit leading zeroes,
        resulting in too few digits produced and a Layout_Error as result.
        (Put): Initialize Pos.

2007-12-13  Robert Dewar  <dewar@adacore.com>

        atree.ads, atree.adb (Flag231..Flag247): New functions
        (Set_Flag231..Set_Flag247): New procedures
        (Basic_Set_Convention): Rename Set_Convention to be
        Basic_Set_Convention
        (Nkind_In): New functions
        Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List

        * exp_ch6.adb (Expand_Call): Use new flag Has_Pragma_Inline_Always
        instead
         of obsolete function Is_Always_Inlined
        (Register_Predefined_DT_Entry): Initialize slots of the second
        secondary dispatch table.
        Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List
        (Expand_N_Function_Call): Remove special provision for stack checking.

        * exp_util.ads, exp_util.adb (Is_Predefined_Dispatching_Operation):
        Include _Disp_Requeue in the list of predefined operations.
        (Find_Interface_ADT): Modified to fulfill the new specification.
        Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List

        * par-ch4.adb, nlists.ads, nlists.adb: 
        Remove Atree.Delete_Tree/Delete_Node and Nlist.Delete_List

        * sinfo.ads, sinfo.adb: (Nkind_In): New functions
        Fix location of flag for unrecognized pragma message

        * sem_ch7.adb: Use Nkind_In

2007-12-13  Vincent Celier  <celier@adacore.com>

        * opt.ads: 
        Indicate what flags are used by the Project Manager, gprbuild and
        gprclean.
        (Opt.Follow_Links_For_Dirs): New flag
        (Warn_On_Assertion_Failure): New flag
        (Wide_Character_Encoding_Method_Specified): New flag
        (Suppress_All_Inlining): New switch set by -fno-inline
        (Real_VMS_Target): New flag
        New pragma Fast_Math

2007-12-13  Robert Dewar  <dewar@adacore.com>

        * back_end.adb: Recognize -fno-inline

2007-12-13  Robert Dewar  <dewar@adacore.com>

        * checks.adb: Fix optimization problem with short-circuited form

2007-12-13  Bob Duff  <duff@adacore.com>

        * clean.adb (Usage): Add line for -aP
        (Check_Version_And_Help): Change Check_Version_And_Help to be generic,
        with a parameter "procedure Usage", instead of passing a pointer to a
        procedure. This is to eliminate trampolines (since the Usage procedure
        is often nested in a main procedure, and it would be inconvenient to
        unnest it).

        * g-comlin.adb (For_Each_Simple_Switch): Change For_Each_Simple_Switch
        to be generic, with a parameter "procedure Callback (...)", instead of
        passing a pointer to a procedure. This is to eliminate trampolines
        (since the Callback procedure is usually nested).

        * gnatfind.adb, switch.adb, switch.ads, gnatlink.adb, gnatls.adb, 
        gnatname.adb, gnatxref.adb, gnatchop.adb, gprep.adb, gnatbind.adb
        (Check_Version_And_Help): Change Check_Version_And_Help to be generic.

        * g-pehage.adb (Compute_Edges_And_Vertices, Build_Identical_Key_Sets):
        Use the generic Heap