sem_ch3.adb (Is_OK_For_Limited_Init): An unchecked conversion of a function call...

[official-gcc.git] / gcc / ada / ChangeLog

2009-06-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb (Is_OK_For_Limited_Init): An unchecked conversion of a
        function call is a legal expression to initialize a limited object.

        * exp_ch3.adb: Rename various freeze operations that perform expansion
        actions, to prevent confusion with subprograms in the freeze package.

2009-06-20  Ed Schonberg  <schonberg@adacore.com>

        * sem.adb (Walk_Library_Units): Check instantiations first.

        * sem_ch6.adb (Analyze_Subprogram_Declaration): Mark a subprogram as a
        private primitive if it is a function with a controlling result that is
        a type extension with progenitors.

        * exp_ch9.adb (Build_Wrapper_Spec, Build_Wrapper_Body): Handle properly
        a primitive operation of a synchronized tagged type that has a
        controlling result.

2009-06-20  Thomas Quinot  <quinot@adacore.com>

        * einfo.ads: Fix typo.

2009-06-20  Ed Falis  <falis@adacore.com>

        * s-vxwext.ads, s-vxwext-kernel.adb: Complete previous change.

2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.c (emit_check): Do not wrap up the result
        in a SAVE_EXPR.
        (protect_multiple_eval): Always protect complex expressions.

2009-06-19  Emmanuel Briot  <briot@adacore.com>

        * prj-ext.adb, makeutl.adb, makeutl.ads (Executable_Prefix_Path): Now
        make sure we always return a name ending with a path separator.

2009-06-19  Javier Miranda  <miranda@adacore.com>

        * sem_ch12.adb (Instantiate_Package_Body, Instantiate_Subprogram_Body):
        Save and restore the visibility of the parent when installed.

2009-06-19  Jose Ruiz  <ruiz@adacore.com>

        * s-tposen.ads (Protection_Entry): Replace fields L, Ceiling, and Owner
        by Common which contains all these fields.

        * s-tposen.adb (Initialize_Protection_Entry, Lock_Entry,
        Lock_Read_Only_Entry, Timed_Protected_Single_Entry_Call, Unlock_Entry):
        Remove code duplication in this package by means of calling the
        equivalent code in s-taprob.

2009-06-19  Robert Dewar  <dewar@adacore.com>

        * a-einuoc.ads: Minor reformatting

2009-06-19  Ed Falis  <falis@adacore.com>

        * a-einuoc.ads, s-osinte-vxworks.ads, s-vxwext.ads, s-vxwext-kernel.adb,
        s-vxwext-kernel.ads, s-vxwext-rtp.ads: Code clean up.

2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>

        * einfo.ads (Handling of Type'Size Values): Fix Object_Size values.

2009-06-19  Robert Dewar  <dewar@adacore.com>

        * a-nudira.adb (Need_64): Handle negative ranges and also dynamic
        ranges

        * checks.adb (Determine_Range): Move the test for generic types later.

        * sem_eval.adb (Compile_Time_Compare): Improve circuitry to catch more
        cases.
        (Eval_Relational_Op): Fold more cases including string compares

        * sem_util.ads, sem_util.adb (References_Generic_Formal_Type): New
        function.

2009-06-19  Robert Dewar  <dewar@adacore.com>

        * sem_type.ads, sem_ch12.adb: Minor reformatting

        * s-wchcnv.adb (UTF_32_To_Char_Sequence): Handle invalid data properly

2009-06-19  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch9.adb (Build_Wrapper_Spec): Handle properly an overridden
        primitive operation of a rivate extension whose controlling argument
        is an out parameter.

        * sem.adb (Walk_Library_Units): exclude generic package declarations
        from check.

2009-06-19  Thomas Quinot  <quinot@adacore.com>

        * i-vxwoio.ads: Add comments

2009-06-19  Thomas Quinot  <quinot@adacore.com>

        * socket.c, g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.adb,
        g-socthi-vxworks.ads, g-socthi-mingw.adb, g-socthi-mingw.ads,
        g-socthi.adb, g-socthi.ads, g-socket.adb, g-sothco.ads
        (GNAT.Sockets.Thin.C_Ioctl): Rename to Socket_Ioctl.
        (GNAT.Sockets.Thin.Socket_Ioctl): Use new function
        Thin_Common.Socket_Ioctl.
        (GNAT.Sockets.Thin_Common.Socket_Ioctl): Binding to new C wrapper
        __gnat_socket_ioctl.
        (__gnat_socket_ioctl): Wrapper for ioctl(2) called with a single int*
        argument after the file descriptor and request code.

2009-06-19  Robert Dewar  <dewar@adacore.com>

        * checks.adb: Minor reformatting

2009-06-19  Jose Ruiz  <ruiz@adacore.com>

        * env.c (__gnat_environ): RTX does not support this functionality.

2009-06-19  Ed Schonberg  <schonberg@adacore.com>

        * sem.adb (Walk_Library_Items): Include bodies in the list of units to
        traverse, to account for front-end inlining and instantiations in a
        spec or in the main unit.

2009-06-19  Robert Dewar  <dewar@adacore.com>

        * checks.adb (Determine_Range): Do not attempt to get range of generic
        type.

2009-06-19  Sergey Rybin  <rybin@adacore.com>

        * gnat_ugn.texi, vms_data.ads: Add the documentation for the new
        gnatmetric option for generating the schema file for gnatmetric XML
        output. Add corresponding VMS qualifier.

2009-06-19  Robert Dewar  <dewar@adacore.com>

        * g-cgi.adb: Minor reformatting

2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>

        * s-intman-solaris.adb (Notify_Exception): Do not discriminate on the
        signal code for SIGFPE and raise Program_Error for SIGILL.

        * s-osinte-solaris.ads: Remove signal code constants for SIGFPE.

2009-06-19  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Nvis_Messages): Do not list an entity declared in a
        generic package if there is a visibility candidate that is declared in
        a regular package.

2009-06-18  Olivier Hainque  <hainque@adacore.com>

        * system-aix64.ads: New file.
        * gcc-interface/Makefile.in (aix LIBGNAT_TARGET_PAIRS): Use the
        64bit system.ads for ppc64 multilib variants.

2009-06-16  Robert Dewar  <dewar@adacore.com>
            Olivier Hainque  <hainque@adacore.com>

        Relax constraints on Machine_Attribute argument types:
        * sem_prag.adb (Check_Arg_Is_Static_Expression): Allow for
        missing type.
        (Analyze_Attribute, case Machine_Attribute): Allow any type for arg 3.
        * gcc-interface/decl.c (prepend_attributes): Accept static
        expressions of any type as attribute arguments, not only string
        literals.
        * gnat_rm.texi (pragma Machine_Attribute section): Adjust to reflect
        the relaxation of the restriction on the Info argument type.
        
2009-06-13  Aldy Hernandez  <aldyh@redhat.com>

        * gcc-interface/utils.c (record_builtin_type): Pass location
        argument to build_decl.
        (create_type_stub_decl): Same.
        (create_type_decl): Same.
        (create_var_decl_1): Same.
        (create_field_decl): Same.
        (create_param_decl): Same.
        (create_label_decl): Same.
        (create_subprog_decl): Same.
        * gcc-interface/decl.c (gnat_to_gnu_entity): Same.
        * gcc-interface/trans.c (Case_Statement_to_gnu): Pass location
        argument to create_artificial_label.
        (Loop_Statement_to_gnu): Same.
        (Subprogram_Body_to_gnu): Same.
        (gnat_gimplify_stmt): Same.

2009-06-11  Richard Henderson  <rth@redhat.com>

        * gcc-interface/misc.c (gnat_handle_option): Rename OPT_gdwarf_ to
        OPT_gdwarfplus.

2009-06-11  Ed Schonberg  <schonberg@adacore.com>

        * sem_attr.adb (Resolve_Attribute, case 'access): Add missing
        accessibiliy check on access_to_subprogram in the context of an
        anonymous access that is not an access parameter.

2009-06-11  Eric Botcazou  <ebotcazou@adacore.com>

        * tracebak.c (i386 section): Define IS_BAD_PTR on Solaris.
        
2009-06-11  Quentin Ochem  <ochem@adacore.com>

        * sem_warn.adb, scng.adb, sfn_scan.adb, freeze.adb: Add CODEFIX
        comments for message handled by GPS.

2009-06-11  Matthew Gingell  <gingell@adacore.com>

        * adaint.c: Use fopen64 instead of fopen on platforms where we know
        it's supported.

2009-06-11  Pascal Obry  <obry@adacore.com>

        * g-cgi.ads: Fix comment typo.

        * g-cgi.adb: Properly decode "+" in CGI parameters as spaces.

2009-06-10  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Subtype>: Use
        a reference to the original type for the type of the field of the
        XVS type.
        (maybe_pad_type): Likewise.

        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>: Factor
        common predicate and remove redundant setting of TYPE_BY_REFERENCE_P.
        Pass correctly typed arguments to create_field_decl.
        <E_Record_Subtype>: Set BLKmode for tagged and limited types in the
        case of contrained discriminants as well.  Use the padded base type
        in the other case as well.  Rename temporary variable.  Tweak test.
        Factor common access pattern.  Set GNU_SIZE only once.

2009-06-09  Olivier Hainque  <hainque@adacore.com>

        * gcc-interface/utils2.c (build_call_alloc_dealloc_proc): New
        helper for build_call_alloc_dealloc with arguments to be interpreted
        identically.  Process the case where a GNAT_PROC to call is provided.
        (maybe_wrap_malloc): New helper for build_call_alloc_dealloc, to build
        and return an allocator for DATA_SIZE bytes aimed at containing a
        DATA_TYPE object, using the default __gnat_malloc allocator.  Honor
        DATA_TYPE alignments greater than what the latter offers.
        (maybe_wrap_free): New helper for build_call_alloc_dealloc, to
        release a DATA_TYPE object designated by DATA_PTR using the
        __gnat_free entry point.
        (build_call_alloc_dealloc): Expect object data type instead of naked
        alignment constraint. Use the new helpers.
        (build_allocator): Remove special processing for the super-aligned
        case, now handled by build_call_alloc_dealloc.  Pass data
        type instead of the former alignment argument, as expected by the new
        interface.
        * gcc-interface/gigi.h (build_call_alloc_dealloc): Adjust prototype
        and comment.
        * gcc-interface/trans.c (gnat_to_gnu) <case N_Free_Statement>:
        Remove special processing for the super-aligned case, now handled
        by build_call_alloc_dealloc.  Pass data type instead of the former
        alignment argument, as expected by the new interface.
        
2009-06-08  Alexandre Oliva  <aoliva@redhat.com>

        * lib-writ.adb (flag_compare_debug): Import.
        (Write_ALI): Skip during -fcompare-debug-second.

2009-06-03  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>: When
        adjusting the discriminant nodes in an extension, use the full view
        of the parent subtype if it is of a private kind.

2009-06-03  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>: Add the
        _Parent field, if any, to the record before adding the other fields.
        <E_Record_Subtype>: Put the _Controller field before the other fields
        except for the _Tag or _Parent fields.
        (components_to_record): Likewise.  Retrieve the _Parent field from the
        record type.

2009-06-03  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (substitution_list): Rename to build_subst_list,
        remove unused parameter and simplify.
        (gnat_to_gnu_entity) <E_Record_Type>: Do not set TYPE_FIELDS.  Factor
        common predicate.  Rewrite loop for clarity.  Use GNU_TYPE directly
        as context for all discriminants.  Fix formatting nits.
        <E_Record_Subtype>: Add cosmetic 'break'.  Test Has_Discriminants
        before Discriminant_Constraint.  Adjust for above renaming.  Do not
        set GNU_TYPE more than once.
        (elaborate_entity): Test Has_Discriminants on the entity and use
        Implementation_Base_Type.
        (components_to_record): Rename component_list to gnat_component_list.
        Retrieve the _Parent field from the list.  Fix nits in comments.
        Clarify logic in loop.  Pass correct arguments to create_field_decl.

2009-06-02  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/Make-lang.in: Fix formatting.

2009-06-01  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>
        
        * gcc-interface/utils.c (convert) <CONSTRUCTOR case>: When converting
        to the packable version of the type, clear TREE_STATIC/TREE_CONSTANT
        on the result if at least one of the input fields couldn't be output
        as a static constant any more.

2009-06-01  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>
        
        * gcc-interface/utils2.c (gnat_build_constructor): Factor
        out code.  Use initializer_constant_valid_for_bitfield_p and
        CONSTRUCTOR_BITFIELD_P for bit-fields.

2009-05-26  Ian Lance Taylor  <iant@google.com>

        * gcc-interface/Makefile.in (COMPILER): Define.
        (COMPILER_FLAGS, ALL_COMPILERFLAGS): Define.
        (.c.o, cio.o, init.o, initialize.o, targext.o): Use $(COMPILER).
        (seh_init.o, tracebak.o): Likewise.
        * gcc-interface/Make-lang.in (ada/targext.o): Likewise.
        (ada/cio.o, ada/init.o, ada/initialize.o, ada/raise.o): Likewise.
        (ada/tracebak.o, ada/cuintp.o, ada/decl.o, ada/misc.o): Likewise.
        (ada/targtyps.o, ada/trans.o, ada/utils.o): Likewise.
        (ada/utils2.o): Likewise.

2009-05-24  Olivier Hainque  <hainque@adacore.com>

        * switch.adb (Is_Internal_GCC_Switch, Switch_Last): Bodies of ...
        * switch.ads (Is_Internal_GCC_Switch, Switch_Last): New functions.
        Add -auxbase variants to the list of recognized internal switches.
        * back_end.adb (Scan_Back_End_Switches): Use the new functions and
        adjust comments.
        * lib.ads: Make comment on internal GCC switches more general.
        * gcc-interface/lang-specs.h (specs for Ada): Pass -auxbase variants
        as for C.       
        
2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/misc.c (gnat_get_subrange_bounds): Fix thinko.

2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (set_rm_size): Bypass the check for packed array
        types.

2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Do not modify the
        original type because of the alignment when there is an address clause.

2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Subtype>: When
        discriminants affect the shape of the subtype, retrieve the GCC type
        directly from the original field if the GNAT types for the field and
        the original field are the same.

2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/ada-tree.h (TYPE_GCC_MIN_VALUE, TYPE_GCC_MAX_VALUE):
        New macros.
        (TYPE_RM_VALUES): Likewise.
        (TYPE_RM_SIZE): Rewrite in terms of TYPE_RM_VALUES.
        (SET_TYPE_RM_SIZE): New macro.
        (TYPE_RM_MIN_VALUE, TYPE_RM_MAX_VALUE): Likewise.
        (SET_TYPE_RM_SIZE, SET_TYPE_RM_MAX_VALUE): Likewise.
        (TYPE_MIN_VALUE, TYPE_MAX_VALUE): Redefine.
        * gcc-interface/gigi.h (create_range_type): Declare.
        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Modular_Integer_Type>
        Use SET_TYPE_RM_MAX_VALUE to set the upper bound on the UMT type.
        <E_Signed_Integer_Subtype>: Build a regular integer type first and
        then set the RM bounds.  Use SET_TYPE_RM_SIZE to set the RM size.
        <E_Floating_Point_Subtype>: Build a regular floating-point type first
        and then set the RM bounds.
        <E_Array_Type>: Use create_range_type instead of build_range_type.
        <E_Array_Subtype>: Build a regular integer type first and then set
        the RM bounds for the extra subtype.
        <E_String_Literal_Subtype>: Use create_range_type instead of
        build_range_type.
        <all>: Set the RM bounds for enumeration types and the GCC bounds for
        floating-point types.
        (set_rm_size): Use SET_TYPE_RM_SIZE to set the RM size.
        (make_type_from_size) <INTEGER_TYPE>: Use SET_TYPE_RM_{MIN,MAX}_VALUE
        to set the bounds.  Use SET_TYPE_RM_SIZE to set the RM size.
        (substitute_in_type) <INTEGER_TYPE>: Deal with GCC bounds for domain
        types and with RM bounds for subtypes.
        * gcc-interface/misc.c (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
        (gnat_print_type) <REAL_TYPE>: New case.
        <ENUMERAL_TYPE>: Fall through to above case.
        (gnat_get_subrange_bounds): New function.
        * gcc-interface/trans.c (add_decl_expr): Mark the trees rooted as
        TYPE_RM_MIN_VALUE and TYPE_RM_MAX_VALUE, if any.
        * gcc-interface/utils.c (gnat_init_decl_processing): Use precision 8
        for booleans.  Adjust and use SET_TYPE_RM_SIZE to set the RM size.
        (create_range_type): New function.
        (create_param_decl): Build a regular integer type first and then set
        the RM bounds for the extra subtype.
        (unchecked_convert): Remove kludge for 'Valid.
        * gcc-interface/utils2.c (build_binary_op) <ARRAY_RANGE_REF>: Convert
        the index to sizetype instead of TYPE_DOMAIN.

2009-05-14  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (elaborate_expression_1): Remove GNAT_EXPR
        parameter and move check for static expression to...
        (elaborate_expression): ...here.  Adjust call to above function.
        (gnat_to_gnu_entity): Likewise for all calls.  Use correct arguments
        in calls to elaborate_expression.
        (elaborate_entity): Likewise.
        (substitution_list): Likewise.
        (maybe_variable): Fix formatting.
        (substitute_in_type) <REAL_TYPE>: Merge with INTEGER_TYPE case and add
        missing guard.
        * gcc-interface/trans.c (protect_multiple_eval): Minor cleanup.

2009-05-07  Arnaud Charlet  <charlet@adacore.com>

        * gcc-interface/Make-lang.in: Update dependencies.

2009-05-06  Laurent GUERBY  <laurent@guerby.net>

        * s-linux.ads, s-linux-alpha.ads, s-linux-hppa.ads, osinte-linux.ads:
        Define sa_handler_pos.
        * s-osinte-linux.ads: Use it.
        * s-linux-mipsel.ads: New.
        * system-linux-mips64el.ads: New.
        * gcc-interface/Makefile.in: Multilib handling for mipsel-linux and
        mips64el-linux.

2009-05-06  Arnaud Charlet  <charlet@adacore.com>

        * exp_ch5.adb, exp_util.adb, exp_attr.adb, sem_util.adb, sem_res.adb,
        targparm.adb, targparm.ads, exp_ch4.adb, exp_ch6.adb, exp_disp.adb,
        opt.ads, exp_aggr.adb, exp_intr.adb, sem_disp.adb, exp_ch3.adb
        (Tagged_Type_Expansion): New flag.
        Replace use of VM_Target related to tagged types expansion by
        Tagged_Type_Expansion, since tagged type expansion is not necessarily
        linked to VM targets.

2009-05-06  Robert Dewar  <dewar@adacore.com>

        * sem_attr.adb: Add processing for Standard'Compiler_Version

        * sinput.adb (Expr_Last_Char): Fix some copy-paste errors for paren
        skipping.
        (Expr_First_Char): Add ??? comment that paren skipping needs work
        (Expr_Last_Char): Add ??? comment that paren skipping needs work

        * exp_attr.adb: Add processing for Compiler_Version

        * sem_attr.adb: New attribute Compiler_Version

        * snames.ads-tmpl: Add entries for Compiler_Version attribute

        * gnat_rm.texi: Document Compiler_Version attribute

2009-05-06  Robert Dewar  <dewar@adacore.com>

        * errout.adb: Minor reformatting

        * scng.adb, sem_prag.adb, par-ch4.adb, sem_res.adb, par-ch6.adb,
        sem_ch6.adb, par-prag.adb, sem_ch8.adb, sem_warn.adb, par-util.adb,
        styleg.adb: Add stylized comments to error messages that are included
        in the codefix circuitry of IDE's such as GPS.

2009-05-06  Sergey Rybin  <rybin@adacore.com>

        * gnat_ugn.texi: For Misnamed_Identifiers rule all description of the
        new form of the rule parameter that allows to specify the suffix for
        access-to-access type names.

2009-05-06  Robert Dewar  <dewar@adacore.com>

        * sem_warn.adb (Warn_On_Useless_Assignment): Avoid false negative for
        out parameter assigned when exception handlers are present.

        * sem_ch5.adb (Analyze_Exit_Statement): Kill current value last
        assignments on exit.

        * par-ch9.adb, sem_aggr.adb, par-endh.adb, sem_res.adb, par-ch6.adb,
        sinput-l.adb, par-load.adb, errout.ads, sem_ch4.adb, lib-load.adb,
        prj-dect.adb, par-ch12.adb, sem_ch8.adb, par-util.adb, par-ch3.adb,
        par-tchk.adb, par-ch5.adb: This patch adds stylized comments to error
        messages that are included in the codefix circuitry of IDE's such as
        GPS.

        * sinput.ads, sinput.adb (Expr_First_Char): New function
        (Expr_Last_Char): New function

2009-05-06  Sergey Rybin  <rybin@adacore.com>

        * gnat_ugn.texi: Add subsection for Exits_From_Conditional_Loops rule
        Add formal definition for extra exit point metric

2009-05-06  Pascal Obry  <obry@adacore.com>

        * adaint.c: Support for setting attributes on unicode filename on
        Windows.

2009-05-06  Robert Dewar  <dewar@adacore.com>

        * sem_warn.adb: Minor reformatting

2009-05-06  Javier Miranda  <miranda@adacore.com>

        * sem_prag.adb (Process_Import_Or_Interface): Imported CPP types must
        not have discriminants or components with default expressions.
        (Analyze_Pragma): For pragma CPP_Class check that imported types
        have no discriminants and components have no default expression.

        * sem_aggr.adb (Resolve_Aggr_Expr): Add missing check on wrong use of
        class-wide types in the expression of a record component association.

2009-05-06  Sergey Rybin  <rybin@adacore.com>

        * vms_data.ads: Add qualifier for gnatmetric extra exit points metric

        * gnat_ugn.texi: Add description for the new extra exit points metric
        (gnatmetric section).

2009-05-06  Robert Dewar  <dewar@adacore.com>

        * s-fileio.adb: Minor comment update

        * sem_ch8.adb: Minor reformatting

        * exp_ch3.adb: Update comments.

2009-05-06  Tristan Gingold  <gingold@adacore.com>

        * init.c, s-osinte-darwin.ads: Reduce alternate stack size

2009-05-06  Arnaud Charlet  <charlet@adacore.com>

        * gcc-interface/Makefile.in: Update LIBGNAT_TARGET_PAIRS for Xenomai.
        Fix missing unit for rtp-smp runtime on both ppc and x86 vxworks

        * gcc-interface/Make-lang.in: Update dependencies

2009-05-06  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch12.adb (Build_Instance_Compilation_Unit_Nodes): Revert previous
        change. The context clause of a generic instance declaration must be
        preserved until the end of the compilation, because it may have to be
        installed/removed repeatedly.
        The latest change to sem.adb ensures that the context of both spec and
        body of an instance is traversed before the instance itself, making
        this patch redundant.

2009-05-06  Gary Dismukes  <dismukes@adacore.com>

        * sem_aggr.adb: Fix typo.

2009-05-06  Thomas Quinot  <quinot@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): For a controlled object
        declaration, do not adjust if the declaration is to be rewritten into
        a renaming.

2009-05-06  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Find_Type): Reject the use of a task type in its own
        discriminant part.

2009-05-06  Bob Duff  <duff@adacore.com>

        * s-fileio.adb (File_IO_Clean_Up_Type): Make this type limited, since
        otherwise the compiler would be allowed to optimize away the cleanup
        code.

2009-05-06  Gary Dismukes  <dismukes@adacore.com>

        * gnat_ugn.texi: Fix typo.

2009-05-06  Thomas Quinot  <quinot@adacore.com>

        * g-debuti.adb: Minor reformatting

        * exp_attr.adb: Minor reformatting

2009-05-06  Robert Dewar  <dewar@adacore.com>

        * sem_aggr.adb: Minor reformatting.

        * g-socthi-vms.adb: Minor reformatting

2009-05-06  Bob Duff  <duff@adacore.com>

        * g-table.ads, g-table.adb, g-dyntab.ads, g-dyntab.adb:
        (Append_All): Add Append_All to g-table and g-dyntab, similar to table.

2009-05-06  Bob Duff  <duff@adacore.com>

        * gnat_ugn.texi, gnat_rm.texi: Add missing documentation for warnings
        flags.

2009-05-06  Javier Miranda  <miranda@adacore.com>

        * sem_aggr.adb (Valid_Ancestor_Type): Add support for C++ constructors.
        (Resolve_Extension_Aggregate): Do not reject C++ constructors in
        extension aggregates.
        (Resolve_Record_Aggregate): Add support for C++ constructors in
        extension aggregates.

        * exp_aggr.adb (Build_Record_Aggr_Code): Add support for C++
        constructors in extension aggregates.

2009-05-06  Robert Dewar  <dewar@adacore.com>

        * freeze.adb (Freeze_Record_Type): Improve error msg for bad size
        clause.

2009-05-06  Thomas Quinot  <quinot@adacore.com>

        * g-socthi-vms.adb (C_Recvmsg, C_Sendmsg): Convert Msg to appropriate
        packed type, since on OpenVMS, struct msghdr is packed.

2009-05-06  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Analyze_Object_Renaming): If the object is a function
        call returning an unconstrained composite value, create the proper
        subtype for it, as is done for object dclarations with unconstrained
        nominal subtypes. Perform this transformation regarless of whether
        call comes from source.

2009-05-06  Robert Dewar  <dewar@adacore.com>

        * freeze.adb (Freeze_Record_Type): Implement Implicit_Packing for
        records

        * gnat_rm.texi:
        Add documentation for pragma Implicit_Packing applied to record
        types.

2009-05-06  Ed Schonberg  <schonberg@adacore.com>

        * sem.adb (Walk_Library_Items): Place all with_clauses of an
        instantiation on the spec, because late instance bodies may generate
        with_clauses for the instance body but are inserted in the instance
        spec.

2009-05-06  Emmanuel Briot  <briot@adacore.com>

        * prj-nmsc.adb (Locate_Directory): Remove unused parameters, and add
        support for returning the directory even if it doesn't exist. This is
        used for the object directory, since we are always setting it to a
        non-null value, and we should set it to an absolute name rather than a
        relative name for the sake of external tools that might depend on it.
        (Check_Library_Attributes): When Project.Library_Dir is known, check
        that the directory exists.

2009-05-06  Ed Schonberg  <schonberg@adacore.com>

        * sem_attr.adb (Check_Dereference): If the prefix of an attribute
        reference is an implicit dereference, do not freeze the designated type
        if within a default expression or when preanalyzing a pre/postcondtion.

2009-05-06  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Analyze_Object_Renaming): If the object is a function
        call returning an unconstrained composite value, create the proper
        subtype for it, as is done for object dclarations with unconstrained
        nominal subtypes

2009-05-06  Robert Dewar  <dewar@adacore.com>

        * sem_ch13.adb (Check_Constant_Address_Clause): Minor error message
        improvements

        * freeze.adb: Minor reformatting

2009-05-06  Thomas Quinot  <quinot@adacore.com>

        * sem_ch3.adb (Access_Type_Declaration): An access type whose
        designated type is a limited view from a limited with clause (flagged
        From_With_Type) is not itself such a limited view.

2009-05-06  Emmanuel Briot  <briot@adacore.com>

        * prj-nmsc.adb: Remove unused variable.

        * clean.adb, gnatcmd.adb, makeutl.ads, prj-pars.adb, prj-pars.ads,
        prj-proc.ads, prj.ads, switch-m.adb (Subdirs_Option): Moved to
        makeutl.ads, since not all users of prj.ads need this.

2009-05-06  Javier Miranda  <miranda@adacore.com>

        * exp_aggr.adb (Build_Record_Aggr_Code): Add implicit call to the C++
        constructor in case of aggregates whose type is a CPP_Class type.

2009-05-06  Robert Dewar  <dewar@adacore.com>

        * sem_ch13.adb: Minor comment additions

        * osint.adb: Minor reformatting

2009-05-06  Pascal Obry  <obry@adacore.com>

        * initialize.c: On Windows, keep full pathname to expanded command
        line patterns.

2009-05-06  Ed Schonberg  <schonberg@adacore.com>

        * sem_aggr.adb (Resolve_Record_Aggregate): If a defaulted component of
        an aggregate with box default is of a discriminated private type, do
        not build a subaggregate for it.
        A proper call to the initialization procedure is generated for it.

2009-05-06  Thomas Quinot  <quinot@adacore.com>

        * rtsfind.adb, rtsfind.ads, exp_dist.adb, exp_dist.ads
        (Exp_Dist.Build_TC_Call, Build_From_Any_Call, Build_To_Any_Call):
        Use PolyORB strings to represent Ada.Strings.Unbounded_String value;
        use standard array code for Standard.String.
        (Exp_Dist): Bump PolyORB s-parint API version to 3.
        (Rtsfind): New entities TA_Std_String, Unbounded_String.

2009-05-06  Robert Dewar  <dewar@adacore.com>

        * g-comlin.ads: Minor reformatting

        * xoscons.adb: Minor reformatting

2009-05-06  Gary Dismukes  <dismukes@adacore.com>

        * sem_aggr.adb (Resolve_Record_Aggregate): In step 5, get the
        Underlying_Type before retrieving the type definition for gathering
        components, to account for the case where the type is private.

2009-05-06  Tristan Gingold  <gingold@adacore.com>

        * g-comlin.ads: Fix minor typos (Getopt instead of Get_Opt).

2009-05-06  Thomas Quinot  <quinot@adacore.com>

        * g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.adb,
        g-socthi-vxworks.ads, g-socthi-mingw.adb g-socthi-mingw.ads,
        g-socthi.adb, g-stsifd-sockets.adb, g-socthi.ads, g-socket.adb
        (GNAT.Sockets.Thin.C_Sendmsg, GNAT.Sockets.Thin.C_Recvmsg,
        Windows versions): Fix incorrect base
        address of Iovec (it's Msg_Iov, not Msg_Iov'Address).
        (GNAT.Sockets.Thin.C_Sendto, GNAT.Sockets.Thin.C_Recvfrom): Use a
        System.Address for the To parameter instead of a Sockaddr_In_Access, to
        achieve independance from AF_INET family, and also to allow this
        parameter to be retrieved from a Msghdr for the Windows case where
        these routines are used to implement C_Sendmsg and C_Recvmsg.

2009-05-06  Bob Duff  <duff@adacore.com>

        * g-expect.adb, g-expect.ads: Minor reformatting

        * sdefault.ads: Minor comment fix

        * g-expect-vms.adb: Minor reformatting

        * table.ads, table.adb (Append_All): New convenience procedure for
        appending a whole array.

        * comperr.adb (Compiler_Abort): Mention the -gnatd.n switch in the bug
        box message. Call Osint.Dump_Source_File_Names to print out the file
        list, instead of rummaging around in various data structures.

        * debug.adb: New switch -gnatd.n, to print source file names as they
        are read.

        * alloc.ads: Add parameters for Osint.File_Name_Chars.

        * osint.ads, osint.adb (Dump_Source_File_Names): New procedure to print
        out source file names during a "bug box".
        (Include_Dir_Default_Prefix): Use memo-izing to avoid repeated new/free.
        (Read_Source_File): Print out the file name, if requested via -gnatd.n.
        If it's not part of the runtimes, store it for later printing by
        Dump_Source_File_Names.

2009-05-06  Javier Miranda  <miranda@adacore.com>

        * gnat_rm.texi (CPP_Constructor): Avoid duplication of the
        documentation and add reference to the GNAT user guide for further
        details.

2009-05-06  Javier Miranda  <miranda@adacore.com>

        * gnat_ugn.texi: Complete documentation for CPP_Constructor and remove
        also wrong examples that use extension aggregates.

2009-05-06  Albert Lee  <lee@adacore.com>

        * s-oscons-tmplt.c (System.OS_Constants): Do not use special definition
        of Msg_Iovlen_T for VMS.

2009-05-04   Laurent GUERBY  <laurent@guerby.net>

        PR ada/38874
        * make.adb (Scan_Make_Arg): Pass --param= to compiler and linker.
        
2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Analyze_Subprogram_Renaming): Improve error message on
        box-defaulted operator in an instantiation, when the type of the
        operands is not directly visible.

2009-04-29  Gary Dismukes  <dismukes@adacore.com>

        * sem_aggr.adb (Valid_Limited_Ancestor): Undo previous change.
        (Resolve_Extension_Aggregate): Call Check_Parameterless_Call after the
        analysis of the ancestor part. Remove prohibition against limited
        interpretations of the ancestor expression in the case of Ada 2005.
        Revise error message in overloaded case, adding a message to cover
        the Ada 2005 case.

2009-04-29  Thomas Quinot  <quinot@adacore.com>

        * xoscons.adb: Minor reformatting

2009-04-29  Bob Duff  <duff@adacore.com>

        * sem_ch13.adb (Analyze_Attribute_Definition_Clause): Do not ignore
        attribute_definition_clauses for the following attributes when the
        -gnatI switch is used: External_Tag, Input, Output, Read, Storage_Pool,
        Storage_Size, Write. Otherwise, we get spurious errors (for example,
        missing Read attribute on remote types).

        * gnat_ugn.texi: Document the change, and add a stern warning.

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * sem_attr.adb (Check_Local_Access): Indicate that value tracing is
        disabled not just for the current scope, but for the innermost dynamic
        scope as well.

2009-04-29  Arnaud Charlet  <charlet@adacore.com>

        * gcc-interface/Make-lang.in: Update dependencies

2009-04-29  Vincent Celier  <celier@adacore.com>

        * prj-part.adb: Minor comment update

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * sem_aggr.adb (Resolve_Record_Aggregate): handle properly
        box-initialized records with discriminated subcomponents that are
        constrained by discriminants of enclosing components. New subsidiary
        procedures Add_Discriminant_Values, Propagate_Discriminants.

2009-04-29  Arnaud Charlet  <charlet@adacore.com>

        * g-socket.adb: Code clean up.

2009-04-29  Gary Dismukes  <dismukes@adacore.com>

        * sem_aggr.adb (Valid_Limited_Ancestor): Add test for the name of a
        function entity, to cover the case of a parameterless function call
        that has not been resolved.

2009-04-29  Robert Dewar  <dewar@adacore.com>

        * err_vars.ads, prj-part.adb, scans.ads, exp_tss.adb: Minor
        reformatting and comment updates.

2009-04-29  Arnaud Charlet  <charlet@adacore.com>

        * gnat_ugn.texi: Update some documentation about interfacing with C++
        Mention -fkeep-inline-functions.

        * gnat_ugn.texi: Minor edits

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * sem_aggr.adb (Resolve_Record_Aggregate): When building an aggregate
        for a defaulted component of an enclosing aggregate, inherit the type
        from the component declaration of the enclosing type. 

2009-04-29  Albert Lee  <lee@adacore.com>

        * g-socthi-vms.ads, g-socthi-vxworks.ads, s-oscons-tmplt.c,
        g-socthi-mingw.ads, g-socthi.ads, g-socket.adb, g-sothco.ads
        (System.OS_Constants): New type Msg_Iovlen_T which follows whether the
        msg_iovlen field in struct msghdr is 32 or 64 bits wide.
        Relocate the Msghdr record type from GNAT.Sockets.Thin to
        GNAT.Sockets.Common, and use System.OS_Constants.Msg_Iovlen_T as the
        type for the Msg_Iovlen field.

2009-04-29  Vincent Celier  <celier@adacore.com>

        * sinput-l.adb (Load_File): When preprocessing, set temporarily the
        Source_File_Index_Table entries for the source, to avoid crash when
        reporting an error.

        * gnatcmd.adb (Test_If_Relative_Path): Use
        Makeutl.Test_If_Relative_Path.
        
        * makeutl.adb:(Test_If_Relative_Path): Process switches --RTS= only if
        Including_RTS is True.

        * makeutl.ads (Test_If_Relative_Path): New Boolean parameter
        Including_RTS defaulted to False.

        * sinput.ads, scans.ads, err_vars.ads: Initialize some variables with
        a default value.

2009-04-29  Javier Miranda  <miranda@adacore.com>

        * gnat_ugn.texi: Adding documentation for non-default C++ constructors.

2009-04-29  Javier Miranda  <miranda@adacore.com>

        * sem_ch3.adb (Analyze_Object_Declaration): Disable error message
        associated with dyamically tagged expressions if the expression
        initializing a tagged type corresponds with a non default CPP
        constructor.
        (OK_For_Limited_Init): CPP constructor calls are OK for initialization
        of limited type objects.

        * sem_ch5.adb (Analyze_Assignment): Improve the error message reported
        when a CPP constructor is called in an assignment. Disable also the
        error message associated with dyamically tagged expressions if the
        exporession initializing a tagged type corresponds with a non default
        CPP constructor.

        * sem_prag.adb (Analyze_Pragma): Remove code disabling the use of
        non-default C++ constructors.

        * sem_util.ads, sem_util.adb (Is_CPP_Constructor_Call): New subprogram.

        * exp_tss.ads, exp_tss.adb (Base_Init_Proc): Add support for
        non-default constructors.
        (Init_Proc): Add support for non-default constructors.

        * exp_disp.adb (Set_Default_Constructor): Removed.
        (Set_CPP_Constructors): Code based in removed Set_Default_Constructor
        but extending its functionality to handle non-default constructors.

        * exp_aggr.adb (Build_Record_Aggr_Code): Add support for non-default
        constructors. Minor code cleanup removing unrequired label and goto
        statement.

        * exp_ch3.adb (Build_Initialization_Call): Add support for non-default
        constructors.
        (Build_Init_Statements): Add support for non-default constructors.
        (Expand_N_Object_Declaration): Add support for non-default constructors.
        (Freeze_Record_Type): Replace call to Set_Default_Constructor by call
        to Set_CPP_Constructors.

        * exp_ch5.adb (Expand_N_Assignment_Statement): Add support for
        non-default constructors.
        Required to handle its use in build-in-place statements.

        * gnat_rm.texi (CPP_Constructor): Document new extended use of this
        pragma for non-default C++ constructors and the new compiler support
        that allows the use of these constructors in record components, limited
        aggregates, and extended return statements.

2009-04-29  Vincent Celier  <celier@adacore.com>

        * prj-part.adb (Parse_Single_Project): Do not attempt to find a
        project extending an abstract project.

2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>

        * targparm.ads: Fix oversight.

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * lib-xref.adb (Output_Overridden_Op): Follow several levels of
        derivation when necessary, to find the user-subprogram that is actally
        being overridden.

2009-04-29  Robert Dewar  <dewar@adacore.com>

        * sem_util.adb (May_Be_Lvalue): Fix cases involving indexed/selected
        components

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch9.ads, exp_ch9.adb (Build_Wrapper_Spec): Use source line of
        primitive operation, rather than source line of synchronized type, when
        building the wrapper for a primitive operation that overrides an
        operation inherited from a progenitor, to improve the error message on
        duplicate declarations.

        * sem_ch3.adb (Process_Full_View): Use new signature of
        Build_Wrapper_Spec.

2009-04-29  Robert Dewar  <dewar@adacore.com>

        * prj-nmsc.ads: Minor reformatting

2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch4.adb (Expand_N_Conditional_Expression): Set the SLOC of the
        expression on the existing parent If statement.

2009-04-29  Robert Dewar  <dewar@adacore.com>

        * prj-proc.adb, prj.ads: Minor reformatting

2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch4.adb (Expand_N_Conditional_Expression): Set the SLOC of an
        existing parent If statement on the newly created one.

2009-04-29  Emmanuel Briot  <briot@adacore.com>

        * gnatcmd.adb, prj-proc.adb, prj-proc.ads, make.adb, prj-part.adb,
        prj-part.ads, prj.adb, prj.ads, clean.adb, prj-dect.adb, prj-dect.ads,
        prj-nmsc.adb, prj-nmsc.ads, prj-pars.adb, prj-pars.ads, prj-makr.adb
        (Set_In_Configuration, In_Configuration): Removed.
        Replaced by an extra parameter Is_Config_File in several parameter to
        avoid global variables to store the state of the parser.

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * sinfo.ads, sinfo.adb: New attribute Next_Implicit_With, to chain
        with_clauses generated for the same unit through rtsfind, and that
        appear in the context of different units.

        * rtsfind.adb: New attribute First_Implicit_With, component of the
        Unit_Record that stores information about a unit loaded through rtsfind.

2009-04-29  Gary Dismukes  <dismukes@adacore.com>

        * exp_ch3.adb (Stream_Operation_OK): Return True for limited interfaces
        (other conditions permitting), so that abstract stream subprograms will
        be declared for them.

2009-04-29  Bob Duff  <duff@adacore.com>

        * g-expect.adb (Expect_Internal): Fix check for overfull buffer.

        * g-expect.ads: Minor comment fixes.

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * freeze.adb, lib-xref.adb (Check_Dispatching_Operation): if the
        dispatching operation is a body without previous spec, update the list
        of primitive operations to ensure that cross-reference information is
        up-to-date.

2009-04-29  Albert Lee  <lee@adacore.com>

        * g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.adb,
        g-socthi-vxworks.ads, g-socthi-mingw.adb, g-socthi-mingw.ads,
        g-socthi.adb, g-socthi.ads, g-socket.adb, g-socket.ads
        (GNAT.Sockets.Thin.C_Readv,
        GNAT.Sockets.Thin.C_Writev): Remove unused subprograms.
        (GNAT.Sockets.Thin.C_Recvmsg,
        GNAT.Sockets.Thin.C_Sendmsg): New bindings to call recvmsg(2) and
        sendmsg(2).  
        (GNAT.Sockets.Receive_Vector, GNAT.Sockets.Send_Vector): Use
        C_Recvmsg/C_Sendmsg rather than Readv/C_Writev.

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * sem_disp.adb (Check_Dispatching_Operation): if the dispatching
        operation is a body without previous spec, update the list of
        primitive operations to ensure that cross-reference information is
        up-to-date.

        * sem_ch12.adb (Build_Instance_Compilation_Unit_Nodes): When creating a
        new compilation unit node for the instance declaration, keep the
        context items of the original unit on it, so that the context of the
        instance body only holds the context inherited from the generic body.

2009-04-29  Bob Duff  <duff@adacore.com>

        * sem_res.adb: Minor comment fix.

2009-04-29  Thomas Quinot  <quinot@adacore.com>

        * sem_elim.adb: Minor reformatting

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * exp_aggr.adb (Convert_To_Positional): if the current unit is a
        predefined unit, allow arbitrary number of components in static
        aggregate, to ensure that the same level of constant folding applies
        for Ada 95 and Ada 05 versions of the file.

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * sem_elim.adb (Check_Eliminated): Handle new improved eliminate
        information: no need for full scope check.
        (Eliminate_Error): Do not emit error in a generic context.

2009-04-29  Ed Falis  <falis@adacore.com>

        * adaint.c (__gnat_rmdir): return error code if VTHREADS is defined.
        VxWorks 653 POS does not support rmdir.

2009-04-29  Matteo Bordin  <bordin@adacore.com>

        * s-stausa.adb, s-stausa.ads: Get_Usage_Range: changing the way
        results are printed.

2009-04-29  Arnaud Charlet  <charlet@adacore.com>

        * s-taskin.adb (Initialize): Remove pragma Warnings Off and remove
        unused assignment.

2009-04-29  Thomas Quinot  <quinot@adacore.com>

        * make.adb: Minor reformatting.
        Minor code reorganization throughout.

2009-04-29  Matteo Bordin  <bordin@adacore.com>

        * s-stausa.ads: Changed visibility of type Task_Result: moved to
        public part to give application visibility over it.
        This is for future improvement and to build a public API on top of it.
        Changed record components name of type Task_Result to reflect the new
        way of reporting. 

        * s-stausa.adb: Actual_Size_Str changed to reflect the new way of
        reporting Stack usage.

        * gnat_ugn.texi: Update doc of stack usage report.

        * g-tastus.ads, s-stusta.ads, s-stusta.adb: New files.

        * Makefile.rtl: Add new run-time files.

2009-04-29  Pascal Obry  <obry@adacore.com>

        * initialize.c: Do not expand quoted arguments.

2009-04-29  Emmanuel Briot  <briot@adacore.com>

        * prj-ext.adb, prj.adb, prj.ads: Fix memory leaks.

        * clean.adb (Ultimate_Extension_Of): removed, since duplicate of
         Prj.Ultimate_Extending_Project_Of

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch7.adb (Build_Final_List): If the designated type is a Taft
        Amendment type, add the with_clause for Finalization.List_Controller
        only if the current context is a package body.

2009-04-29  Thomas Quinot  <quinot@adacore.com>

        * sem_ch12.adb: Minor reformatting

        * sem_aggr.adb: Minor reformatting

        * sem_ch6.adb, sem_cat.ads: Minor reformatting

        * sem_ch10.adb, gnat1drv.adb, prj-nmsc.adb: Minor reformatting

2009-04-29  Quentin Ochem  <ochem@adacore.com>

        * prj.ads (Source_Id): Now general pointer type.

2009-04-29  Thomas Quinot  <quinot@adacore.com>

        * exp_ch7.adb, rtsfind.adb: Minor reformatting

        * sem_res.adb: Minor reformatting

2009-04-29  Thomas Quinot  <quinot@adacore.com>

        * sem_res.adb (Static_Concatenation): An N_Op_Concat with static
        operands is static only if it is a predefined concatenation operator.

        * sem_util.adb: Minor reformatting

        * sem_ch12.adb (Save_References): When propagating semantic information
        from generic copy back to generic template, for the case of an
        identifier that has been rewritten to an explicit dereference whose
        prefix is either an object name or a parameterless funcion call
        denoting a global object or function, properly capture the denoted
        global entity: perform the corresponding rewriting in the template,
        and point the rewritten identifier to the correct global entity (not
        to the associated identifier in the generic copy).

2009-04-29  Robert Dewar  <dewar@adacore.com>

        * rtsfind.adb, prj-env.adb: Minor reformatting
        Minor code reorganization

2009-04-29  Emmanuel Briot  <briot@adacore.com>

        * make.adb: Fix comment

        * prj.adb (Ultimate_Extending_Project_Of): Fix handling when no project
        is given as argument, as might happen in gnatmake.

2009-04-29  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb (Check_Abstract_Overriding): Improve error message when
        an abstract operation of a progenitor is not properly overridden by an
        operation of a derived synchronized type.

2009-04-29  Robert Dewar  <dewar@adacore.com>

        * mlib-prj.adb, mlib-tgt.adb, mlib-tgt.ads, prj-nmsc.adb,
        prj-proc.adb: Minor reformatting
        Minor code reorganization

2009-04-29  Bob Duff  <duff@adacore.com>

        * exp_ch7.adb (Build_Final_List): For an access type that designates a
        Taft Amendment type, if the access type needs finalization, make sure
        the implicit with clause for List_Controller occurs on the package spec.

        * rtsfind.adb (Text_IO_Kludge): Fine tune the creation of implicit
        with's created for the pseudo-children of Text_IO and friends. In
        particular, avoid cycles, such as Ada.Wide_Text_IO.Integer_IO and
        Ada.Text_IO.Integer_IO both with-ing each other.

        * sem.adb (Walk_Library_Items): Suppress assertion failure in certain
        oddball cases when pragma Extend_System is used.

        * sem_ch12.adb (Get_Associated_Node): Prevent direct 'with' cycles in
        the case where a package spec instantiates a generic whose body with's
        this package, so Walk_Library_Items won't complain about cyclic with's.

2009-04-29  Emmanuel Briot  <briot@adacore.com>

        * gnatcmd.adb, prj-proc.adb, make.adb, mlib-prj.adb, prj.adb, prj.ads,
        prj-pp.adb, prj-pp.ads, makeutl.adb, clean.adb, prj-nmsc.adb,
        mlib-tgt.adb, mlib-tgt.ads, prj-util.adb, prj-env.adb, prj-env.ads
        (Project_Id): now a real pointer to Project_Data, instead of an index
        into the Projects_Table. This simplifies the API significantly, avoiding
        extra lookups in this table and the need to pass the Project_Tree_Ref
        parameter in several cases

2009-04-29  Nicolas Setton  <setton@adacore.com>

        * gcc-interface/Makefile.in: Produce .dSYM files for shared libs on
        darwin.

2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Subtype>: Put
        back kludge.

2009-04-24  Robert Dewar  <dewar@adacore.com>

        * mlib-prj.adb, prj-env.adb, prj-nmsc.adb, prj-proc.adb, make.adb,
        clean.adb: Minor reformatting.
        Minor code reorganization and message improvement.

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * prj-proc.adb, prj.adb, prj.ads, prj-nmsc.adb, prj-nmsc.ads
        (Alternate_Languages): now implemented as a malloc-ed list rather
        than through a table.

2009-04-24  Thomas Quinot  <quinot@adacore.com>

        * sem_res.adb (Static_Concatenation): Simplify predicate to make it
        accurately handle cases such as "lit" & "lit" and
        "lit" & static_string_constant

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * prj-proc.adb, make.adb, mlib-prj.adb, prj.adb, prj.ads, clean.adb,
        prj-nmsc.adb, prj-env.adb (Project_List_Table, Project_Element):
        removed. Lists of projects are now implemented via standard malloc
        rather than through the table.

2009-04-24  Thomas Quinot  <quinot@adacore.com>

        * sem_ch12.adb: Minor reformatting

        * g-trasym.adb: Minor reformatting

        * exp_ch6.adb: Minor reformatting

2009-04-24  Robert Dewar  <dewar@adacore.com>

        * layout.adb (Layout_Type): For packed array type, copy unset
        size/alignment fields from the referenced Packed_Array_Type.

2009-04-24  Bob Duff  <duff@adacore.com>

        * lib-load.adb (Make_Instance_Unit): Revert previous change, no
        longer needed after sem_ch12 changes.

        * sem.adb (Walk_Library_Items): Include with's in some debugging
        printouts.

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * prj.ads, prj-nmsc.adb (Unit_Project): removed, since in fact we were
        only ever using the Project field.

2009-04-24  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch12.adb (Build_Instance_Compilation_Unit_Nodes): Do not set
        Body_Required on the generated compilation node. The new node is linked
        to its body, but both share the same file, so we do not set this flag
        on the new unit so as not to create a spurious dependency on a
        non-existent body in the ali file for the instance.

2009-04-24  Robert Dewar  <dewar@adacore.com>

        * make.adb: Minor reformatting

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * prj.adb, prj.ads, prj-nmsc.adb (Check_File, Record_Ada_Source,
        Add_Source): merge some code between those. In particular change where
        file normalization is done to avoid a few extra calls to
        Canonicalize_File_Name. This also removes the need for passing
        Current_Dir in a number of subprograms.

2009-04-24  Bob Duff  <duff@adacore.com>

        * lib-load.adb (Make_Instance_Unit): In the case where In_Main is
        False, assign the correct unit to the Cunit field of the new table
        entry. We want the spec unit, not the body unit.

        * rtsfind.adb (Make_Unit_Name, Maybe_Add_With): Simplify calling
        interface for these.
        (Maybe_Add_With): Check whether we're trying to a with on the current
        unit, and avoid creating such directly self-referential with clauses.
        (Text_IO_Kludge): Add implicit with's for the generic pseudo-children of
        [[Wide_]Wide_]Text_IO. These are needed for Walk_Library_Items,
        and matches existing comments in the spec.

        * sem.adb (Walk_Library_Items): Add various special cases to make the
        assertions pass.

        * sem_ch12.adb (Build_Instance_Compilation_Unit_Nodes): Use Body_Cunit
        instead of Parent (N), for uniformity.

2009-04-24  Robert Dewar  <dewar@adacore.com>

        * errout.ads: Minor reformatting

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * gnat_ugn.texi (Library Projects): add documentation on gnatmake's
        behavior when the project includes sources from multiple languages

2009-04-24  Vincent Celier  <celier@adacore.com>

        * prj.adb (Has_Foreign_Sources): Returns True in Ada_Only mode if there
        is a language other than Ada declared.

        * makeutl.adb (Linker_Options_Switches): Call For_All_Projects with
        Imported_First set to True.

2009-04-24  Ed Schonberg  <schonberg@adacore.com>

        * sem_res.adb: additional optimization to inhibit creation of
        redundant transient scopes.

2009-04-24  Bob Duff  <duff@adacore.com>

        * rtsfind.ads: Minor comment fix

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * prj-proc.adb, prj-nmsc.adb (Find_Ada_Sources,
        Get_Path_Name_And_Record_Ada_Sources): merged, since these were
        basically doing the same work (for explicit or implicit sources).
        (Find_Explicit_Sources): renamed to Find_Sources to better reflect its
        role. Rewritten to share some code (testing that all explicit sources
        have been found) between ada_only and multi_language modes.

2009-04-24  Jerome Lambourg  <lambourg@adacore.com>

        * sem_prag.adb (Check_Form_Of_Interface_Name): Allow space in Ext_Name
        for CLI imported types.
        (Analyze_Pragma): Allow CIL or Java imported functions returning
        access-to-subprogram types.

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * make.adb, prj.adb, prj.ads, makeutl.adb, makeutl.ads:
        (Project_Data.Dir_Path): field removed, since it can be computed
        directly from .Directory, and is needed only once when processing the
        project is buildgpr.adb or make.adb

2009-04-24  Robert Dewar  <dewar@adacore.com>

        * prj-env.adb, prj-proc.adb, prj.adb, prj.ads,
        rtsfind.adb: Minor reformatting.
        Minor code reorganization

2009-04-24  Arnaud Charlet  <charlet@adacore.com>

        * mlib-prj.adb: Use friendlier english identifier.

        * gnatcmd.adb, make.adb: Use better english identifiers.

2009-04-24  Robert Dewar  <dewar@adacore.com>

        * clean.adb: Minor reformatting

2009-04-24  Robert Dewar  <dewar@adacore.com>

        * einfo.adb (OK_To_Rename): New flag

        * einfo.ads (OK_To_Rename): New flag

        * exp_ch3.adb (Expand_N_Object_Declaration): Rewrite as renames if
        OK_To_Rename set.

        * exp_ch4.adb (Expand_Concatenate): Mark temp variable OK_To_Rename

        * sem_ch7.adb (Uninstall_Declarations): Allow for renames from
        OK_To_Rename.

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * prj-proc.adb, make.adb, mlib-prj.adb, prj.adb, prj.ads, makeutl.adb,
        clean.adb, prj-nmsc.adb, prj-env.adb, prj-env.ads (Project_Data.Seen):
        field removed. This is not a property of the
        project, just a boolean used to traverse the project tree, and storing
        it in the structure prevents doing multiple traversal in parallel.
        (Project_Data.Checked): also removed, since it was playing the same role
        as Seen when we had two nested loops, and this is no longer necessary
        (For_All_Imported_Projects): removed, since in fact there was already
        the equivalent in For_Every_Project_Imported. The latter was rewritten
        to use a local hash table instead of Project_Data.Seen
        Various loops were rewritten to use For_Every_Project_Imported, thus
        removing the need for Project_Data.Seen. This avoids a lot of code
        duplication

2009-04-24  Ed Schonberg  <schonberg@adacore.com>

        * sem_res.adb (Resolve_Actuals): Do not create blocks around code
        statements, even though the actual of the call is a concatenation,
        because the argument is static, and we want to preserve warning
        messages  about sequences of code statements that are not marked
        volatile.

        * sem_warn.adb: remove obsolete comment about warning being obsolete

        * s-tasren.adb (Task_Do_Or_Queue): If a timed entry call is being
        requeued and the delay has expired while within the accept statement
        that executes the requeue, do not perform the requeue and indicate that
        the timed call has been aborted.

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * mlib-prj.adb, prj.adb, prj.ads, prj-nmsc.adb, prj-env.adb
        (Has_Ada_Sources, Has_Foreign_Sources): new subprograms
        (Project_Data.Ada_Sources_Present, Foreign_Sources_Present): removed,
        since they can be computed from the above.

2009-04-24  Vincent Celier  <celier@adacore.com>

        * gnatcmd.adb: Call Prj.Env.Initialize with the Project_Tree

        * prj-env.adb: Move all global variables to the private part of the
        project tree data.
        Access these new components instead of the global variables no longer
        in existence.
        (Add_To_Path): New Project_Tree_Ref parameter, to access the new
        components that were previously global variables.

        * prj-env.ads (Initialize): New Project_Tree_Ref parameter
        (Set_Mapping_File_Initial_State_To_Empty): New Project_Tree_Ref
        parameter.

        * prj-nmsc.adb (Compute_Unit_Name): New Project_Tree_Ref parameter to
        be able to call Set_Mapping_File_Initial_State_To_Empty with it.

        * prj.adb (Initialize): Do not call Prj.Env.Initialize
        (Reset): Do not call Prj.Env.Initialize. Instead, initialize the new
        components in the private part of the project tree data.

        * prj.ads (Private_Project_Tree_Data): new components moved from
        Prj.Env: Current_Source_Path_File, Current_Object_Path_File,
        Ada_Path_Buffer, Ada_Path_Length, Ada_Prj_Include_File_Set,
        Ada_Prj_Objects_File_Set, Fill_Mapping_File.

2009-04-24  Vincent Celier  <celier@adacore.com>

        * opt.ads (Unchecked_Shared_Lib_Imports): New Boolean flag.

        * prj-nmsc.adb (Check_Library): No error for imports by shared library
        projects, when --unchecked-shared-lib-imports is used.

2009-04-24  Robert Dewar  <dewar@adacore.com>

        * sem_ch7.adb: Minor reformatting

2009-04-24  Tristan Gingold  <gingold@adacore.com>

        * s-osinte-darwin.adb, s-osinte-darwin.ads: lwp_self now returns the
        mach thread id.

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * prj-env.adb, prj-env.ads (Body_Path_Name_Of, Spec_Path_Name_Of,
        Path_Name_Of_Library_Unit_Body): rEmove unused subprograms.
        (For_All_Imported_Projects): new procedure
        (For_All_Source_Dirs, For_All_Object_Dirs): Rewritten based on the
        above rather than duplicating code.

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * prj-proc.adb, prj.adb, prj.ads, prj-nmsc.adb, prj-env.adb
        (Source_Id, Source_Data): use a real list to store sources rather than
        using an external table to store the elements. This makes code more
        efficient and more readable.

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * prj-proc.adb, prj.adb, prj.ads, prj-nmsc.adb, prj-env.adb
        (Source_Iterator): new type.
        This removes the need for having the sources on three different
        lists at the project tree, project and language level. They are now
        on a single list.

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * gnatcmd.adb, prj.adb, prj.ads: Remove unused entities

2009-04-24  Ed Schonberg  <schonberg@adacore.com>

        * sem_warn.adb: Add comment on obsolete warning

2009-04-24  Arnaud Charlet  <charlet@adacore.com>

        * s-tassta.adb (Create_Task): Fix violation of locking rule.

2009-04-24  Emmanuel Briot  <briot@adacore.com>

        * prj.adb, prj.ads, prj-nmsc.adb, prj-env.adb (Language_Index): renamed
        to Language_Ptr to better reflect its new implementation.
        (Project_Data.First_Languages_Processing): renamed to Languages now
        that the field with that name is no longer used
        (Project_Data.Languages): removed, no longer used, and duplicates
        information already available through First_Language_Processing.
        (Prj.Language_Index): now an actual pointer, instead of an index into
        a table. This makes the list somewhat more obvious, but more importantly
        removes the need to pass a pointer to the project_tree_data in a few
        places, and makes accessing the attributes of a languages more
        efficient.

2009-04-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
            Thomas Quinot  <quinot@adacore.com>

        * fe.h (Set_Identifier_Casing): Add const to second parameter.
        * gcc-interface/misc.c (internal_error_function): Make copy of return
        from pp_formatted_text before assigning BUFFER to it.
        (gnat_init): Likewise for main_input_filename and gnat_argv.
        (gnat_printable_name): Remove cast from call to Set_Identifier_Casing.

2009-04-24  Eric Botcazou  <ebotcazou@adacore.com>

        * ttypes.ads (Target_Double_Float_Alignment): New variable.
        (Target_Double_Scalar_Alignment): Likewise.
        * get_targ.ads (Get_Strict_Alignment): Adjust external name.
        (Get_Double_Float_Alignment): New imported function.
        (Get_Double_Scalar_Alignment): Likewise.
        * layout.adb (Set_Elem_Alignment): Take into account specific caps for
        the alignment of "double" floating-point types and "double" or larger
        scalar types, as parameterized by Target_Double_Float_Alignment and
        Target_Double_Scalar_Alignment respectively.
        * gcc-interface/gigi.h (double_float_alignment): Declare.
        (double_scalar_alignment): Likewise.
        (is_double_float_or_array): Likewise.
        (is_double_scalar_or_array): Likewise.
        (get_target_double_float_alignment): Likewise.
        (get_target_double_scalar_alignment): Likewise.
        * gcc-interface/targtyps.c (get_strict_alignment): Rename into...
        (get_target_strict_alignment): ...this.
        (get_target_double_float_alignment): New function.
        (get_target_double_scalar_alignment): Likewise.
        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Signed_Integer_Subtype>:
        Test the presence of an alignment clause for under-aligned integer
        types.  Take into account specific caps for the alignment of "double"
        floating-point types and "double" or larger scalar types, as
        parameterized by Target_Double_Float_Alignment and
        Target_Double_Scalar_Alignment respectively.
        (validate_alignment): Likewise.
        * gcc-interface/trans.c (Attribute_to_gnu) <Attr_Alignment>: Likewise.
        (gigi): Initialize double_float_alignment and double_scalar_alignment.
        * gcc-interface/utils.c (double_float_alignment): New global variable.
        (double_scalar_alignment): Likewise.
        (is_double_float_or_array): New predicate.
        (is_double_scalar_or_array): Likewise.

2009-04-24  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/utils2.c (build_cond_expr): Move SAVE_EXPR ahead of
        the conditional expression only if it is common to both arms.

2009-04-24  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/gigi.h (build_call_alloc_dealloc): Update comment.
        * gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Pass correct
        arguments to build_allocator.
        * gcc-interface/utils2.c (build_call_alloc_dealloc): Update comment.
        Remove code handling special allocator and assert its uselessness.

2009-04-24  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: If an
        alignment is specified, do not promote that of the component type
        beyond it.
        <E_Array_Subtype>: Likewise.

2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>

        * einfo.ads (Is_True_Constant): Lift restriction on atomic objects.
        * sinfo.ads (Object Declaration): Likewise.
        (Assignment Statement): Likewise.
        * freeze.adb (Expand_Atomic_Aggregate): Remove useless test.
        Do not force Is_True_Constant to false on the temporary.
        (Freeze_Entity): Do not force Is_True_Constant to false on names on
        the RHS of object declarations.
        * gcc-interface/trans.c (lvalue_required_p) <N_Object_Declaration>:
        New case.  Return 1 if the object is atomic.
        <N_Assignment_Statement>: Likewise.

2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Modular_Integer_Subtype>
        For packed array types, make the original array type a parallel type
        for the modular type and its JM wrapper if the type is bit-packed.
        <E_Array_Subtype>: Likewise.  Do not generate the special XA parallel
        record type for packed array types.  Remove kludge.

2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/gigi.h (create_index_type): Adjust head comment.
        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Signed_Integer_Subtype>:
        Use front-end predicates to compute signedness and precision.
        <E_String_Literal_Subtype>: Fold range type.
        Make sure to set longest_float_type_node to a scalar type.
        (elaborate_entity): Use consistent Constraint_Error spelling.
        (substitute_in_type) <INTEGER_TYPE>: Always copy the type.
        * gcc-interface/misc.c (gnat_print_type) <INTEGER_TYPE>: Use brief
        output for the modulus, if any.
        <ENUMERAL_TYPE>: Likewise for the RM size.
        * gcc-interface/trans.c (gnat_to_gnu): Use consistent Constraint_Error
        spelling.
        * gcc-interface/utils.c (finish_record_type): Really test the alignment
        of BLKmode bit-fields to compute their addressability.
        (create_index_type): Adjust comments.
        (create_param_decl): Create the biased subtype manually.
        * gcc-interface/utils2.c (build_component_ref): Use consistent
        Constraint_Error spelling.

2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/cuintp.c: Clean up include directives.
        * gcc-interface/targtyps.c: Likewise.
        * gcc-interface/decl.c: Likewise.
        * gcc-interface/misc.c: Likewise.
        * gcc-interface/trans.c: Likewise.
        * gcc-interface/utils.c: Likewise.
        * gcc-interface/utils2.c: Likewise.
        * gcc-interface/Make-lang.in: Adjust dependencies accordingly.

2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/ada-tree.h (union lang_tree_node): Use standard idiom.
        (SET_TYPE_LANG_SPECIFIC): Likewise.  Fix formatting.
        (SET_DECL_LANG_SPECIFIC): Likewise.
        Reorder macros.
        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Signed_Integer_Subtype>:
        Update comment about use of build_range_type.
        <E_Array_Type, E_Array_Subtype>: Use consistent naming convention.
        <E_Array_Subtype>: Rework comments about TYPE_ACTUAL_BOUNDS and add
        check for other cases of overloading.
        * gcc-interface/trans.c (gigi): Use size_int in lieu of build_int_cst.
        * gcc-interface/utils2.c (build_call_raise): Fix off-by-one error.
        Use size_int in lieu of build_int_cst.
        (build_call_alloc_dealloc): Use build_index_2_type in lieu of
        build_range_type.

2009-04-22  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/utils2.c (build_binary_op) <PLUS_EXPR>: If operation's
        type is an enumeral or a boolean type, change it to an integer type
        with the same mode and signedness.

2009-04-22  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/utils.c (create_var_decl_1): Do not emit debug info
        for an external constant whose initializer is not absolute.

2009-04-22  Taras Glek  <tglek@mozilla.com>

        * gcc-interface/ada-tree.h: Update GTY annotations to new syntax.
        * gcc-interface/trans.c: Likewise.
        * gcc-interface/utils.c: Likewise.

2009-04-22  Ed Schonberg  <schonberg@adacore.com>

        * sem_res.adb: Create block around procedure call when actual is a
        concatenation.

2009-04-22  Thomas Quinot  <quinot@adacore.com>

        * s-soflin.ads: Fix typos

2009-04-22  Vincent Celier  <celier@adacore.com>

        * prj-env.adb: Minor comment change

        * prj-nmsc.adb (Check_Common): Add guard to avoid calling
        Get_Name_String with No_File.

        * tempdir.adb (Create_Temp_File): Output diagnostic when temp file
        cannot be created even when not in verbose mode.

2009-04-22  Emmanuel Briot  <briot@adacore.com>

        * make.adb, prj-env.adb, prj-env.ads, prj-nmsc.adb, prj.adb,
        prj.ads (Create_Mapping_File): merge the two versions for Ada_Only and
        Multi_Language modes, to avoid code duplication.
        (Project_Data.Include_Language): Removed.

2009-04-22  Vincent Celier  <celier@adacore.com>

        * tempdir.adb (Create_Temp_File): Add a diagnostic in verbose mode when
        the temporary file cannot be created, indicating the directory when the
        creation was attempted.

2009-04-22  Emmanuel Briot  <briot@adacore.com>

        * prj-env.adb, prj-env.ads (Create_Mapping_File): we need to compare
        the language names, not their indices.

2009-04-22  Emmanuel Briot  <briot@adacore.com>

        * prj.ads, prj-nmsc.adb, prj-env.adb, prj-env.ads
        (Source_Data.Language_Name): Field removed.

2009-04-22  Emmanuel Briot  <briot@adacore.com>

        * prj.adb, prj.ads, prj-nmsc.adb (Project_Data.Unit_Based_Language_*):
        Two fields removed.

2009-04-22  Emmanuel Briot  <briot@adacore.com>

        * prj-nmsc.adb (Check_Naming_Ada_Only): Properly initialize the
        separate_suffix to the same value as the body_suffix.

2009-04-22  Robert Dewar  <dewar@adacore.com>

        * prj.adb: Minor code reorganization
        Code clean up.

        * prj-proc.adb: Minor code reorganization, clean up.

        * prj-nmsc.adb: Minor reformatting
        Minor code reorganization

        * gnat_ugn.texi: Add to doc on strict aliasing

2009-04-22  Pascal Obry  <obry@adacore.com>

        * s-osinte-mingw.ads: Rename Reserved field in CRITICAL_SECTION to
        SpinCount.

        * s-tasini.adb: Minor reformatting.

        * s-tassta.adb: Minor reformatting.

2009-04-22  Emmanuel Briot  <briot@adacore.com>

        * prj-proc.adb, prj-nmsc.adb (Check_Naming_Schemes): split into several
        smaller subprograms.
        Renamed to Check_File_Naming_Schemes to avoid confusion with the
        other Check_Naming_Schemes functions that plays a totally different
        role.
        (Check_Unit_Based_Lang, Check_File_Based_Lang): new subprograms,
        extracted from the above. These were partially rewritten to avoid
        unnecessary code and temporary variables.
        (Compute_Unit_Name): new subprogram, merge of Check_Unit_Based_Lang
        and Get_Unit (which for now still exist since they contain mode-specific
        code)

2009-04-22  Emmanuel Briot  <briot@adacore.com>

        * prj.ads, prj.adb, prj-nmsc.adb, prj-proc.adb (Recursive_Process):
        Remove duplicated code.
        (Canonical_Case_File_Name): new subprogram
        (Check_And_Normalize_Unit_Names): new subprogram
        (Write_Attr): new subprogram
        Better sharing of code
        (Check_Naming_Ada_Only, Check_Naming_Multi_Lang): new subprogram, to
        split Check_Naming and help find duplicated code
        (Check_Common): new subprogram, sharing code between ada_only and
        multi_language mode.
        (Naming_Data.Dot_Repl_Loc): field removed

2009-04-22  Emmanuel Briot  <briot@adacore.com>

        * prj-proc.adb, prj-nmsc.adb (Load_Naming_Exceptions): New subprogram.
        Minor refactoring to reduce the size of
        Process_Sources_In_Multi_Language_Mode.
        Avoid extra copied of Source_Data, which we found in the past could be
        quite slow.
        (Mark_Excluded_Sources): new subprogram.
        (Remove_Locally_Removed_Files_From_Units): merged into the above
        Refactors Process_Sources_In_Multi_Language_Mode to reduce its size,
        and allow better sharing of code between multi_lang and ada_only modes
        (Project_Extends): removed, since exact duplicate of Prj.Is_Extending

2009-04-22  Emmanuel Briot  <briot@adacore.com>

        * prj-proc.adb, prj.adb, prj.ads (Project_Data.First_Referred_By):
        Removed, since unused.

2009-04-22  Vincent Celier  <celier@adacore.com>

        * prj-attr.adb: New single project level attribute
        Separate_Run_Path_Options.

        * prj-nmsc.adb (Process_Project_Level_Simple_Attributes): Process
        attribute Seperate_Run_Path_Options.

        * prj.ads: (Project_Configuration): New Boolean component
        Separate_Run_Path_Options, defaulted to False.

        * snames.ads-tmpl: New standard name Seperate_Run_Path_Options

2009-04-22  Robert Dewar  <dewar@adacore.com>

        * sem_type.adb: Minor reformatting

        * mlib.adb: Minor reformatting

        * sem_aggr.adb: Minor reformatting. Defend against junk aggregate from
        syntax error.

2009-04-22  Nicolas Setton  <setton@adacore.com>

        * link.c: Add flag __gnat_separate_run_path_options.

        * mlib.adb (Separate_Run_Path_Options): New subprogram.

        * mlib.ads (Separate_Run_Path_Options): Declare.

        * gnatcmd.adb (Process_Link): Add support for emitting one "rpath"
        switch per directory, rather than one "rpath" switch listing all
        directories.

        * gnatlink.adb (Process_Binder_File): Likewise.

        * make.adb (Gnatmake): Likewise.

2009-04-22  Hristian Kirtchev  <kirtchev@adacore.com>

        * exp_ch6.adb (Make_Build_In_Place_Call_In_Assignment): Code cleanup.
        Add a call to Move_Final_List when the target of the assignment is a
        return object that needs finalization and the expression is a
        controlled build-in-place function.

2009-04-22  Vincent Celier  <celier@adacore.com>

        * make.adb (Gnatmake, Bind_Step): call Set_Ada_Paths with
        Including_Libraries set to True.

2009-04-22  Ed Schonberg  <schonberg@adacore.com>

        * lib-load.ads, lib-load.adb (Make_Child_Decl_Unit): New subprogram, to
        create a unit table entry for the subprogram declaration created for a
        child suprogram body that has no separate specification.

        * sem_ch10.adb (Analyze_Compilation_Unit): For a child unit that is a
        subprogram body, call Make_Child_Decl_Unit.

        * lib.adb (Get_Cunit_Unit_Number): Verify that an entry not yet in the
        table can only be the created specification of a child subprogram body
        that is the main unit, which has not been entered in the table yet.

        * errout.adb  (Output_Messages): Ignore created specification of a
        child subprogram body to prevent repeated listing of error messages.

        * gnat1drv.adb (gnat1drv): The generated specification for a child
        subprogram body does not generate code.

2009-04-22  Arnaud Charlet  <charlet@adacore.com>

        * s-bitops.adb, s-bitops.ads (Raise_Error): Do not use Ada 05 syntax,
        since this unit is now part of bootstrap units, so must use Ada 95
        syntax only.

2009-04-22  Thomas Quinot  <quinot@adacore.com>

        * a-tasatt.adb: Minor reformatting

2009-04-22  Bob Duff  <duff@adacore.com>

        * s-stalib.ads: Remove "with System;" since we're inside System, so
        it's unnecessary.

2009-04-22  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb (Add_Source): Always put the dependency file name in
        the source record, as there may be a dependency file even if no object
        file is created.

2009-04-22  Robert Dewar  <dewar@adacore.com>

        * lib-load.adb: Minor reformatting

        * lib-load.ads: Minor reformatting

        * sinfo.ads: Minor reformatting

2009-04-22  Bob Duff  <duff@adacore.com>

        * exp_pakd.adb: Minor comment fixes.

        * sinfo.ads, par-load.adb, sem_ch10.adb, lib-load.ads, lib-load.adb
        sem_ch12.adb: Change the meaning of the Library_Unit attribute to
        include units containing instantiations, as well as units that are
        generic instantiations.

        * sem.adb: Include dependents and corresponding specs/bodies in the
        unit walk.

        * gcc-interface/Make-lang.in:
        sem now depends on s-bitops, because of the packed array of Booleans.

2009-04-22  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/ada-tree.def: Fix formatting nits.
        (REGION_STMT): Delete.
        (HANDLER_STMT): Likewise.
        * gcc-interface/ada-tree.h: Fix formatting nits.
        (IS_STMT): Delete.
        (REGION_STMT_BODY): Likewise.
        (REGION_STMT_HANDLE): Likewise.
        (REGION_STMT_BLOCK): Likewise.
        (HANDLER_STMT_ARG): Likewise.
        (HANDLER_STMT_LIST): Likewise.
        (HANDLER_STMT_BLOCK): Likewise.
        * gcc-interface/gigi.h (fp_prec_to_size): Update comment.
        (fp_size_to_prec): Likewise.
        (largest_move_alignment): Delete.
        (gnat_compute_largest_alignment): Likewise.
        Fix minor nits.
        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Signed_Integer_Subtype>:
        Remove redundant code.
        <E_Array_Type>: Remove redundant assert.
        <E_Array_Subtype>: Exit early from index computation in pathological
        cases.
        Rewrite conditional assignment.
        (make_type_from_size): Likewise.
        * gcc-interface/misc.c (largest_move_alignment): Delete.
        (gnat_finish_incomplete_decl): Likewise.
        (LANG_HOOKS_FINISH_INCOMPLETE_DECL): Likewise.
        (asm_out_file): Likewise
        (gnat_print_type) <INTEGER_TYPE>: Fall through to ENUMERAL_TYPE case.
        (gnat_dwarf_name): Move around.
        * gcc-interface/trans.c (Attribute_to_gnu): Fix minor nits.
        (gigi): Remove call to gnat_compute_largest_alignment.
        * utils.c (create_field_decl): Rewrite conditional assignment.
        Fix minor nits.

2009-04-22  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity): Compute is_type predicate
        on entry.  Defer common processing for types.  Reorder and clean up.
        Compute the equivalent GNAT node and the default size for types only.
        <E_Modular_Integer_Type>: Directly use Esize for the type's precision.
        <E_Access_Type>: For an unconstrained designated type, do not pretend
        that a dummy type is always made.
        <all> Fix nits in comments.
        (validate_size): Fix formatting nits and comments.
        (set_rm_size): Likewise.
        * gcc-interface/utils.c (create_param_decl): Replace bogus argument
        passed to TARGET_PROMOTE_PROTOTYPES hook.

2009-04-22  Eric Botcazou  <ebotcazou@adacore.com>

        * fe.h (Get_External_Name): Declare.
        * gcc-interface/gigi.h (concat_id_with_name): Rename to...
        (concat_name): ...this.
        * gcc-interface/decl.c (gnat_to_gnu_entity): Rename gnu_entity_id to
        gnu_entity_name and adjust for above renaming.
        <E_Access_Type>: Use create_concat_name to get the name of the various
        types associated with unconstrained array types.
        (make_aligning_type): Adjust for above renaming.
        (maybe_pad_type): Likewise.
        (components_to_record): Likewise.  Use get_identifier_with_length for
        the encoding of the variant.
        (get_entity_name): Use get_identifier_with_length.
        (create_concat_name): Likewise.  Use Get_External_Name if no suffix.
        Do not fiddle with Name_Buffer.
        (concat_id_with_name): Rename to...
        (concat_name): ...this.  Use get_identifier_with_length.  Do not fiddle
        with Name_Buffer.
        * gcc-interface/utils.c (rest_of_record_type_compilation): Adjust for
        above renaming.

2009-04-21  Joseph Myers  <joseph@codesourcery.com>

        * ChangeLog, ChangeLog.ptr, ChangeLog.tree-ssa: Add copyright and
        license notices.

2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.c (gnat_to_gnu): Do not overwrite location info.

2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/ada-tree.h (TYPE_RM_SIZE_NUM): Delete.
        (TYPE_RM_SIZE): Access TYPE_LANG_SLOT_1 directly for integral types.
        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Modular_Integer_Type>:
        Remove useless support code for packed array types and assert its
        uselessness.
        <E_Signed_Integer_Subtype>: Reuse entity identifier in more places and
        adjust for TYPE_RM_SIZE change.
        <all> Fix nits in comments.  Use Original_Array_Type accessor instead
        of Associated_Node_For_Itype accessor for packed array types.
        (make_packable_type): Likewise.
        (maybe_pad_type): Likewise.
        (set_rm_size): Likewise.  Rework conditional statement.  Adjust for
        TYPE_RM_SIZE change.
        (make_type_from_size): Adjust for TYPE_RM_SIZE change.
        (rm_size): Fix nits in comments.  Rework conditional statements.
        * gcc-interface/misc.c (gnat_print_type): Adjust for TYPE_RM_SIZE
        change.
        * gcc-interface/trans.c (Attribute_to_gnu): Fix nits in comments.
        * gcc-interface/utils.c (gnat_init_decl_processing): Use more
        appropriate function to initialize the size_type_node.  Adjust for
        TYPE_RM_SIZE change.

2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity): Do not set force_global
        for imported subprograms.

2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Do not make
        constant objects covered by 13.3(19) volatile.

2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/utils.c (create_type_decl): Do not pass declarations
        of dummy fat pointer types to the debug back-end.

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity): Rewrite Esize calculation.
        <E_Signed_Integer_Subtype>: Set the RM size on the integer type
        before wrapping it up in the record type.  Do not overwrite the
        Ada size of the record type with the Esize.

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.c (unchecked_conversion_lhs_nop): New predicate.
        (gnat_to_gnu) <N_Unchecked_Type_Conversion>: Return the expression
        if the conversion is on the LHS of an assignment and a no-op.
        <all> Do not convert the result to the result type if the Parent
        node is such a conversion.

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/ada-tree.h (DECL_HAS_REP_P): Delete.
        * gcc-interface/decl.c (gnat_to_gnu_entity): Add support for extension
        of types with unknown discriminants.
        (substitute_in_type): Rewrite and restrict to formal substitutions.
        * gcc-interface/utils.c (create_field_decl): Do not set DECL_HAS_REP_P.
        (update_pointer_to): Update comment.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Use_One_Package): In an instance, if two
        potentially_use_visible and non-overloadable homonyms are available
        from  the actuals of distinct formal packages, retain the current one,
        which was visible in the generic, to prevent spurious visibility
        errors.
        (End_Use_Package): Restore use_visibility when needed.

2009-04-20  Sergey Rybin  <rybin@adacore.com>

        * gnat_ugn.texi, vms_data.ads: Update doc.

2009-04-20  Arnaud Charlet  <charlet@adacore.com>

        * gcc-interface/Make-lang.in: Update dependencies

        * gcc-interface/Makefile.in: Link run-time against winsock2 lib under
        Windows.

2009-04-20  Robert Dewar  <dewar@adacore.com>

        * checks.ads: Fix documentation of range check handling

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Use_One_Type): Use proper entity on warning message for
        a redundant use_type clause.

2009-04-20  Robert Dewar  <dewar@adacore.com>

        * sem_attr.adb (Eval_Attribute, case Length): Catch more cases where
        this attribute can be evaluated at compile time.
        (Eval_Attribute, case Range_Length): Same improvement

        * sem_eval.ads, sem_eval.adb (Compile_Time_Compare): New procedure

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch6.adb (Analye_Subprogram_Declaration): Code reorganization,
        for better handling of null procedures.
        (Check_Overriding_Indicator): Do not emit a warning on a missing
        overriding indicator on an operator when the type of which the operator
        is a primitive is private.

2009-04-20  Bob Duff  <duff@adacore.com>

        * sem.adb, gnat1drv.adb, debug.adb: Use the -gnatd.W switch to control
        debugging output.

2009-04-20  Robert Dewar  <dewar@adacore.com>

        * sem_attr.adb: Minor reformatting

        * gnatcmd.adb: Minor reformatting

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch4.adb (Analyze_User_Defined_Binary_Op): If left operand is
        overloaded and one interpretation matches the context, label the
        operand with the type of first formal.

2009-04-20  Bob Duff  <duff@adacore.com>

        * debug.ads: Minor comment fix.

        * debug.adb: Minor comment fixes.

2009-04-20  Javier Miranda  <miranda@adacore.com>

        * rtsfind.ads (RE_Null_Id): New entity of package Ada.Exceptions

        * exp_ch6.adb (Expand_Inlined_Call): Undo previous patch.

        * exp_ch11.adb (Expand_N_Raise_Statement): When the raise stmt
        is expanded into a call to Raise_Exception, avoid passing the
        exception-name'identity in runtimes in which this argument
        is not used.

2009-04-20  Jerome Lambourg  <lambourg@adacore.com>

        * impunit.adb: Add i-cil and i-cilobj packages, now needed by the
        generated bindings for cil.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_aggr.adb (Resolve_Record_Aggregate): If the type has unknown
        discriminants, collect components from the Underlying_Record_View,
        which will be used in the expansion of the aggregate into assignments.

        * sem_ch3.adb: Do not label derived type with unknown discriminants as
        having a private declaration.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * exp_util.adb (Expand_Subtype_From_Expr): use the
        underlying_record_view when available, to create the proper constrained
        subtype for an object of a derived type with unknown discriminants.

2009-04-20  Javier Miranda  <miranda@adacore.com>

        * exp_ch6.adb (Expand_Inlined_Call): Avoid generation of temporaries for
        formals that have pragma unreferenced.

2009-04-20  Pascal Obry  <obry@adacore.com>

        * a-direct.adb (To_Lower_If_Case_Insensitive): Removed.
        Remove all calls to To_Lower_If_Case_Insensitive to preserve
        the pathname original casing.

2009-04-20  Robert Dewar  <dewar@adacore.com>

        * g-trasym.adb: Minor reformatting

        * s-os_lib.adb: Minor reformatting

        * sem.adb: Minor reformatting
        Minor code reorganization

        * sem_ch3.adb: Minor reformatting

        * sem_ch4.adb: Minor reformatting

        * sem_ch8.adb: Minor reformatting

        * sem_type.adb: Minor reformatting

2009-04-20  Javier Miranda  <miranda@adacore.com>

        * sem_disp.adb (Find_Dispatching_Type): For subprograms internally
        generated by derivations of tagged types use the aliased subprogram a
        reference to locate their controlling type.

2009-04-20  Tristan Gingold  <gingold@adacore.com>

        * g-trasym.adb: Set size of result buffer before calling
        convert_address.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch4.adb (Valid_Candidate): When checking whether a prefixed call
        to a function returning an array can be interpreted as a call with
        defaulted parameters whose result is indexed, take into account the
        types of all the indices of the array result type.

2009-04-20  Pascal Obry  <obry@adacore.com>

        * a-direct.adb, s-os_lib.adb: Minor reformatting.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Analyze_Object_Renaming): Proper checks on incorrect
        null exclusion qualifiers for object renaming declarations.

2009-04-20  Nicolas Roche  <roche@adacore.com>

        * sysdep.c (__gnat_localtime_tzoff): on Windows, manipulated times are
        unsigned long long. So compare local_time and utc_time before computing
        the difference.

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch3.adb (Build_Derived_Private_Type): Insert the declaration
        of the Underlying_Record_View before that of the derived type.

        * exp_ch3.adb (Expand_Record_Extension): Do not special-case types
        with unknown discriminants with regard to the parent subtype.

2009-04-20  Bob Duff  <duff@adacore.com>

        * sem.adb (Semantics, Walk_Library_Items): Include dependents of bodies
        that are not included. This is necessary if the main unit is a generic
        instantiation.

        * gnat1drv.adb (Gnat1drv): Comment out the call to Check_Library_Items,
        because it doesn't work if -gnatn is used.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * rtsfind.adb (RTE, RTE_Record_Component): In
        Configurable_Run_Time_Mode, do not enable front-end inlining.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * g-socthi-vms.adb: Remove now unnecessary WITH clause on
        System.Address_To_Access_Conversions.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * sem.adb: Guard against ill-formed subunits.

2009-04-20  Bob Duff  <duff@adacore.com>

        * output.adb (Flush_Buffer): Do not indent blank lines.
        (Ignore_Output): New procedure for output suppression.

2009-04-20  Hristian Kirtchev  <kirtchev@adacore.com>

        * a-calfor.adb (Image): Subtract 0.5 from the sub second component only
        when it is positive.  This avoids a potential constraint error raised
        by the conversion to Natural.

2009-04-20  Gary Dismukes  <dismukes@adacore.com>

        * exp_ch5.adb (Expand_Assign_Array): For the case where the assignment
        involves a target that has a specified address, don't set Forward_OK
        and Backward_OK to False if the rhs is an aggregate, since overlap
        can't occur.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Analyze_Object_Renaming): Reject ambiguous expressions
        in an object renaming declaration when the expected type is an
        anonymous access type.

        * sem_type.adb (Disambiguate): Use anonymousness to resolve a potential
        ambiguity when one interpretation is an anonymous access type and the
        other is a named access type, and the context itself is anonymous

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * einfo.ads: Minor comment rewording

        * sem_aggr.adb: Minor comment rewording

        * sem_ch3.adb, sem_ch6.adb: Minor reformatting

2009-04-20  Pascal Obry  <obry@adacore.com>

        * adaint.c (__gnat_is_readable_file): Check for file existence
        when not using ACL (always the case on remote drives).

2009-04-20  Robert Dewar  <dewar@adacore.com>

        * sinfo.ads: Minor comment fixes

        * exp_disp.adb: Minor reformatting

        * gnat1drv.adb: Minor reformatting

        * output.adb: Minor reformatting

        * s-vxwext-kernel.ads: Minor reformatting

        * sem.ads: Minor reformatting

        * sem.adb: Minor reformatting

        * sem_elim.adb: Minor reformatting

        * uname.ads: Minor reformatting

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * init.c (__gnat_adjust_context_for_raise): On x86{-64}/Linux, add
        a small dope of 4 words to the adjustment to the stack pointer.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * xoscons.adb: generate C header s-oscons.h in
        addition to s-oscons.ads.

        * socket.c: On VMS, use s-oscons.h.

        * sem_ch3.adb: Minor reformatting

        * exp_ch9.adb: Minor reformatting

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.c (check_for_eliminated_entity): Remove.
        (Attribute_to_gnu): Do not call check_for_eliminated_entity.
        (call_to_gnu): Likewise.

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.c (gigi): Declare the name of the compilation
        unit as the first global name at the very beginning.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * socket.c, g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.ads,
        s-oscons-tmplt.c, gsocket.h, g-socthi-mingw.ads, g-socthi.ads,
        g-sothco.ads (__gnat_inet_pton): Needs to be enabled for HP-UX as well,
        since HP-UX supports neither inet_aton nor inet_pton (altough the
        latter is part of the Single UNIX Specification!).
        So reorganize code, and share C implementation based on inet_addr(3)
        with VMS (instead of having a VMS specific Ada implementation in
        g-socthi-vms.adb).

2009-04-20  Gary Dismukes  <dismukes@adacore.com>

        * osint-c.ads, osint-c.adb (Get_Object_Output_File_Name): New function
        to return the object file name saved by Set_Object_Output_File_Name.

2009-04-20  Emmanuel Briot  <briot@adacore.com>

        * g-comlin.adb (Initialize_Option_Scan): Fix initialization of parsers
        for the standard command line, when argc has been modified since the
        start of the application.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * socket.c (__gnat_inet_pton, Windows case): Adjust return value.
        WSAStringToAddress returns 0 for success and SOCKET_ERROR for failure.

2009-04-20  Bob Duff  <duff@adacore.com>

        * gnat1drv.adb (Gnat1drv): Put call to Check_Library_Items inside
        pragma Debug.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch9.adb (Build_Protected_Sub_Specification): Mark generated
        subprogram as Eliminated when source operation is.
        (Expand_N_Protected_Type_Declaration): Generate protected and
        unprotected specs for the internal operations, even if the source
        operation is eliminated.

2009-04-20  Hristian Kirtchev  <kirtchev@adacore.com>

        * exp_ch3.adb (Make_Predefined_Primitive_Specs,
        Predefined_Primitive_Bodies): Do not create the declarations and bodies
        of the primitive subprograms associated with dispatching select
        statements when the runtime is in configurable mode.

2009-04-20  Ed Falis  <falis@adacore.com>

        * s-vxwext-kernel.ads (tickGet): Use tick64Get.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * s-oscons-tmplt.c: Add support for generating a dummy version of
        s-oscons.ads providing all possible constants.

        * g-socthi-mingw.ads: Fix calling convention for __gnat_inet_pton.

        * socket.c (__gnat_inet_pton): On Windows make sure we always use the
        ANSI version (not the UNICODE version) of WSAStringToAddress.

2009-04-20  Pascal Obry  <obry@adacore.com>

        * adaint.c (__gnat_set_OWNER_ACL): properly free memory
        allocated for the security descriptor and make sure all
        handles are closed before leaving this procedure.

2009-04-20  Javier Miranda  <miranda@adacore.com>

        * einfo.ads, einfo.adb (Is_Underlying_Record_View): New subprogram
        (Set_Is_Underlying_Record_View): New subprogram

        * sem_aggr.adb (Discr_Present, Resolve_Record_Aggregate): In case of
        private types with unknown discriminants use the underlying record view
        if available.

        * sem_ch3.adb (Build_Derived_Private_Type): Enable construction of the
        underlying record view in the full view of private types whose parent
        has unknown discriminants.
        (Build_Derived_Record_Type): Avoid generating the class-wide entity
        associated with an underlying record view.
        (Derived_Type_Declaration): Avoid deriving parent primitives in
        underlying record views.

        * sem_ch6.adb (Check_Return_Subtype_Indication): Add support for
        records with unknown discriminants.

        * sem_type.adb (Covers): Handle underlying record views.
        (Is_Ancestor): Add support for underlying record views.

        * exp_attr.adb (Expand_Attribute): Expand attribute 'size into a
        dispatching call if the type of the target object is tagged and has
        unknown discriminants.

        * exp_aggr.adb (Resolve_Record_Aggregate): Add support for records with
        unknown discriminants.

        * exp_disp.adb (Build_Dispatch_Tables): Avoid generating dispatch
        tables for internally built underlying record views.

        * sprint.adb (sprint_node_actual): Improve output of aggregates with an
        empty list of component associations.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * sem_ch10.adb: Minor reformatting

        * socket.c, g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.ads,
        g-socthi-mingw.ads, g-socthi.ads, g-socket.adb
        (GNAT.Sockets.Inet_Addr): Do not use non-portable inet_aton, instead use
        standard inet_pton API (and emulate it on platforms that do not
        support it).
        (GNAT.Sockets.Thin.Inet_Pton, VMS case): Implement in terms of
        DECC$INET_ADDR, imported in Ada.
        (GNAT.Sockets.Thin.Inet_Pton, VxWorks and Windows cases): Use C
        implementation provided by GNAT runtime.
        (__gnat_inet_pton): C implementation of inet_pton(3) for VxWorks and
        Windows.

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * gnat_ugn.texi: Add documentation for -fno-ivopts.

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch10.adb (Analyze_Context): Do not analyze a unit in a
        with_clause if it is the main unit.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * sem_type.adb, ali.adb, erroutc.adb: Minor code reorganization
        (no behaviour change): Use Append instead of Increment_Last followed
        by assignment.

2009-04-20  Hristian Kirtchev  <kirtchev@adacore.com>

        * exp_ch3.adb (Make_Predefined_Primitive_Specs): Do not generate the
        declarations of all primitives associated with dispatching asynchronous,
        conditional and timed selects when dispaching calls are forbidden and
        select statements are not allowed (such as in Ravenscar).
        (Predefined_Primitive_Bodies): Ditto for bodies.

        * exp_disp.ad (Make_DT): Do not create and populate the
        Select_Specific_Data of the dispatch table when dispatching calls are
        forbidden and select statements are not allowed (such as in Ravenscar).

2009-04-20  Robert Dewar  <dewar@adacore.com>

        * a-tifiio.adb: Minor reformatting

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * g-socthi-vms.adb, g-socket.adb, g-socket.ads: inet_aton(3), unlike
        other C library functions, report *failure* with a zero status, and
        success with a non-zero status.

2009-04-20  Bob Duff  <duff@adacore.com>

        * sem.ads, sem.adb (Walk_Library_Items): New generic procedure.
        (Semantics): After analyzing each unit, Append it to the
        Comp_Unit_List, if appropriate.

        * gnat1drv.adb (Check_Library_Items): New procedure for debugging
        purposes.
        (Gnat1drv): Correct comment regarding Back_End_Mode.

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * gnat_ugn.texi: Add documentation for -fno-inline-small-functions.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * s-taprop-irix.adb, s-taprop-tru64.adb, s-taprop-vms.adb,
        output.adb, output.ads, s-taprop-hpux-dce.adb,
        s-taprop-linux.adb, s-taprop-solaris.adb, s-taprop-posix.adb: Minor
        reformatting.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * g-socket.adb, g-socket.ads, g-socthi-mingw.ads, g-socthi-vms.adb,
        g-socthi-vms.ads, g-socthi-vxworks.ads, g-socthi.ads
        (GNAT.Sockets.Thin.C_Inet_Addr): Remove.
        (GNAT.Sockets.Thin.Inet_Aton): New function, imported from C library
        except for VMS where it is reimplemented in Ada using DECC$INET_ADDR.
        (GNAT.Sockets.Inet_Addr): Use inet_aton(3) instead of inet_addr(3).

        * debug.adb: Fix typo

        * gnat_rm.texi: Minor doc fix.

        * sem_ch7.adb, freeze.adb: Minor reformatting

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * g-socket.ads: Add new constants:
          Loopback_Inet_Addr
          Unspecified_Group_Inet_Addr
          All_Hosts_Group_Inet_Addr
          All_Routers_Group_Inet_Addr

        * s-oscons-tmplt.c, g-sttsne-vxworks.adb (System.OS_Constants): Add
        ERANGE (Result too large).
        (GNAT.Sockets.Thin.Task_Safe_NetDB, VxWorks version): Add missing
        propagation of errno to caller.

2009-04-20  Hristian Kirtchev  <kirtchev@adacore.com>

        * a-calend.adb, a-calend-vms.adb: Increase the number of leap seconds
        to 24. Increment Leap_Seconds_Count and add an entry to aggregate
        Leap_Second_Times.

2009-04-20  Gary Dismukes  <dismukes@adacore.com>

        * sem_elim.ads (Check_For_Eliminated_Subprogram): New procedure for
        checking for references to eliminated subprograms that should be
        flagged.
        (Eliminate_Error_Message): Update comment to say "references" rather
        than "calls" (since attribute cases are handled here as well).

        * sem_elim.adb (Check_For_Eliminated_Subprogram): New procedure for
        checking for references to eliminated subprograms that should be
        flagged.  Add with and use of Sem and Sem_Util.

        * sem_res.adb (Resolve_Call): Reject calls to eliminated subprograms.
        Add with and use of Sem_Elim.

        * sem_attr.adb (Analyze_Access_Attribute): Reject access attributes
        applied to eliminated subprograms.
        (Analyze_Attribute): Reject 'Address and 'Code_Address applied to
        eliminated subprograms.
        Add with and use of Sem_Elim.

        * sem_disp.adb (Check_Dispatching_Call): Remove error check for calls
        to eliminated subprograms, now handled during Resolve_Call.
        Remove with and use of Sem_Elim.

        * exp_disp.adb (Make_DT): Get Ultimate_Alias of primitive before
        testing Is_Eliminated, for proper handling of primitive derived from
        eliminated subprograms.

2009-04-20  Vincent Celier  <celier@adacore.com>

        * mlib-prj.adb (Build_Library): Use the shared library linker, if one
        has been declared (Library_GCC or Linker'Driver), for the driver name.

        * prj-nmsc.adb (Process_Linker): If Library_GCC is not declared and
        Linker'Driver is, use Linker'Driver as the shared library linker.
        (Process_Project_Level_Simple_Attributes): Issue a warning if attribute
        Library_GCC is declared.
        (Check_Library_Attributes): Set up the shared linker driver: either
        Library_GCC or Linker'Driver. Issue a warning if Library_GCC is
        declared.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * g-socket.ads (Send_Socket): Fix misleading comment.

2009-04-20  Arnaud Charlet  <charlet@adacore.com>

        * switch-c.adb (Scan_Front_End_Switches): Disable inspector mode in
        ASIS mode.

2009-04-20  Geert Bosch  <bosch@adacore.com>

        * a-tifiio.adb (Put): Avoid generating too many digits for certain
        fixed types with smalls that are neither integer or the reciprocal
        of an integer.

2009-04-20  Bob Duff  <duff@adacore.com>

        * uname.ads: Minor comment fix.

        * types.ads: Minor comment fix.

2009-04-20  Pascal Obry  <obry@adacore.com>

        * adaint.c (__gnat_get_libraries_from_registry): Fix code to
        avoid warning. At the same time fix a memory leak.

        * osint.adb (Get_Libraries_From_Registry): Properly free memory
        returned by the above routine.

2009-04-20  Robert Dewar  <dewar@adacore.com>

        * s-conca5.adb, s-conca5.ads, s-conca7.adb, s-conca7.ads, s-conca9.adb,
        s-conca9.ads, rtsfind.ads, s-conca2.adb, s-conca2.ads, s-conca4.adb,
        s-conca4.ads, s-conca6.adb, s-conca6.ads, s-conca8.adb, s-conca8.ads,
        s-conca3.adb, s-conca3.ads (Str_Concat_Bounds_x): New functions.

        * exp_ch4.adb (Expand_Concatenate): Minor code reorganization

2009-04-20  Pascal Obry  <obry@adacore.com>

        * initialize.c (__gnat_initialize): Add braces to kill warning.

        * adaint.c: Minor reformatting, remove trailing spaces.

2009-04-17  Arnaud Charlet  <charlet@adacore.com>

        * gcc-interface/Make-lang.in: Update dependencies.

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * adaint.h (__gnat_lwp_self): Declare on Linux.

        * adaint.c (__gnat_os_filename): Add ATTRIBUTE_UNUSED on 'filename'.

2009-04-20  Robert Dewar  <dewar@adacore.com>

        * exp_ch5.adb, usage.adb, back_end.adb, opt.ads: Implement
        front-end part of -fpreserve-control-flow switch.

2009-04-20  Bob Duff  <duff@adacore.com>

        * rtsfind.adb: Minor comment fix

2009-04-20  Robert Dewar  <dewar@adacore.com>

        * exp_aggr.adb: Minor reformatting
        Minor code reorganization (use Nkind_In)

        * g-socket.adb: Minor reformatting

        * g-socket.ads: Minor comment fix

        * s-auxdec.ads: Minor comment and organization update.

        * s-auxdec-vms_64.ads: Minor comment and organization update.

        * sem_ch10.adb: Minor addition of ??? comment

        * sem_disp.adb: Minor reformatting

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * inline.adb (Add_Inlined_Subprogram): Do not place on the back-end
        list a caller of an inlined subprogram, if the caller itself is not
        called.

2009-04-20  Pascal Obry  <obry@adacore.com>

        * adaint.c: Disable use of ACL on network drives.

2009-04-20  Arnaud Charlet  <charlet@adacore.com>

        * gnat_ugn.texi: Add examples.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * g-socket.ads (Abort_Selector): Clarify documentation.

2009-04-20  Arnaud Charlet  <charlet@adacore.com>

        * opt.ads (Inspector_Mode): Update documentation of this flag.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * g-socket.ads: Minor reformatting

        * socket.c, gsocket.h (__gnat_get_h_errno, VxWorks case): No need to
        consider S_resolvLib error codes since we only use the hostLib wrappers.

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * sem_ch3.adb (Build_Derived_Private_Type): Insert the declaration
        of the Underlying_Record_View after that of the derived type.

2009-04-20  Arnaud Charlet  <charlet@adacore.com>

        * switch-c.adb (Scan_Front_End_Switches): Disable front-end inlining
        in inspector mode.

2009-04-20  Javier Miranda  <miranda@adacore.com>

        * sem_ch6.adb (New_Overloaded_Entity): Minor reformating.

        * sem_ch6.ads (Subtype_Conformant, Type_Conformant): Add missing
        documentation.

        * exp_aggr.adb (Build_Record_Aggr_Code): Code cleanup.

        * sem_disp.adb
        (Check_Dispatching_Operation): Set attribute Is_Dispatching_Operation
        in internally built overriding subprograms.

2009-04-20  Doug Rupp  <rupp@adacore.com>

        * s-auxdec-vms_64.ads (Integer_{8,16,32,64}_Array): New array types.

        * s-auxdec.ads: Likewise

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb (Find_Type_Name): Reject the completion of a private
        type by an interface.

        * exp_ch6.adb (Expand_Call): Inline To_Address unconditionally, to
        minimze difference in expanded tree when compiled as spec of the main
        unit, or as a spec in the context of another unit.

2009-04-20  Hristian Kirtchev  <kirtchev@adacore.com>

        * a-calend.adb: Remove types char_Pointer, int, tm and tm_Pointer.
        (localtime_tzoff): This routine no longer accepts an actual of type
        tm_Pointer.
        (UTC_Time_Offset): Remove local variable Secs_TM.

        * sysdep.c (__gnat_localtime_tzoff): This routine no longer accepts an
        actual of type struct tm*. Add local variable of type struct tm for all
        targets that provide localtime_r and need to invoke it.

2009-04-20  Thomas Quinot  <quinot@adacore.com>

        * s-oscons-tmplt.c, g-socket.adb, g-socket.ads
        (GNAT.Sockets.Resolve_Error): Add case of EPIPE
        Add case of EAGAIN for platforms where it is not equal to EWOULDBLOCK

2009-04-20  Robert Dewar  <dewar@adacore.com>

        * sem_ch3.adb: Minor reformatting

        * lib-load.adb: Minor reformatting

        * sem_ch4.adb: Minor reformatting

2009-04-20  Robert Dewar  <dewar@adacore.com>

        * namet-sp.ads, namet-sp.adb (Is_Bad_Spelling_Of): Implement new spec
        (equal values => False).

2009-04-20  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch6.adb (Is_Null_Procedure): predicate is global, so that calls
        to null procedures can be inlined unconditionally.

2009-04-20  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.c (call_to_gnu): When creating the copy for a
        non-addressable parameter passed by reference, do not convert the
        actual if its type is already the nominal type, unless it is of
        self-referential size.

2009-04-20  Arnaud Charlet  <charlet@adacore.com>

        * gnat_ugn.texi: Fix typos.

2009-04-20  Robert Dewar  <dewar@adacore.com>

        * debug.adb, gnat1drv.adb, sem_ch13.adb: Add circuitry to
        Validate_Unchecked_Warnings to suppress warnings about size or
        alignment or extra bits if either type involved has pragma Warnings
        (Off) set for the type entity.

2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.c (gigi): Make the special IA-64 descriptor type
        a builtin type and give it a name.

2009-04-17  Diego Novillo  <dnovillo@google.com>

        * gcc-interface/misc.c (gnat_expand_expr): Remove.
        (LANG_HOOKS_EXPAND_EXPR): Remove.

2009-04-17  Robert Dewar  <dewar@adacore.com>

        * sem_ch3.adb: Minor reformatting

2009-04-17  Pascal Obry  <obry@adacore.com>

        * adaint.c: Add __gnat_use_acl global variable to control use of ACL.

2009-04-17  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb (Build_Derived_Enumeration_Type): Diagnose properly
        illegal constraints on type derived from formal discrete types.

2009-04-17  Thomas Quinot  <quinot@adacore.com>

        PR ada/35953

        * g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.adb,
        g-socthi-vxworks.ads, g-socthi-mingw.adb, g-socthi-mingw.ads,
        g-socthi.adb, g-stsifd-sockets.adb, g-socthi.ads, g-socket.adb,
        g-socket.ads (GNAT.Sockets.Thin.C_Send,
        GNAT.Sockets.Thin.Syscall_Send): Remove unused subprograms.
        Replace calls to send(2) with equivalent sendto(2) calls.
        (GNAT.Sockets.Send_Socket): Factor common code in inlined subprogram.
        (GNAT.Sockets.Write): Account for the case of hyper-empty arrays, do not
        report an error in that case. Factor code common to the two versions
        (datagram and stream) in common routine Stream_Write.

2009-04-17  Robert Dewar  <dewar@adacore.com>

        * exp_disp.adb: Minor reformatting
        Minor code reorganization (use Nkind_In)

        * prepcomp.adb: Minor reformatting

        * sem_ch3.adb: Minor reformatting

        * sem_res.adb: Minor comment addition

        * exp_ch5.adb (Expand_Assign_Array): Use Has_Address_Clause to test
        for address clause

        * lib-xref.adb (Generate_Reference): Exclude recursive calls from
        setting Is_Referenced

        * types.ads: Minor reformatting

2009-04-17  Arnaud Charlet  <charlet@adacore.com>

        * gnat_ugn.texi: Initial documentation on binding generator.

2009-04-17  Ed Schonberg  <schonberg@adacore.com>

        * einfo.ads, einfo.adb: New attribute Underlying_Record_View, to handle
        type extensions whose parent is a type with unknown discriminants.

        * exp_aggr.adb (Expand_Record_Aggregate): If the type of an extension
        aggregate has unknown discriminants, use the Underlying_Record_View to
        obtain the discriminants of the ancestor part.

        * exp_disp.adb (Build_Dispatch_Tables): Types that are
        Underlying_Record_Views share the dispatching information of the
        original record extension.

        * exp_ch3.adb (Expand_Record_Extension): If the type inherits unknown
        discriminants, propagate dispach table information to the
        Underlying_Record_View.

        * sem_ch3.adb (Build_Derived_Private_Type): If parent type has unknown
        discriminants and declaration is not a completion, generate
        Underlying_Record_View to provide proper discriminant information to
        the front-end and to gigi.

2009-04-17  Robert Dewar  <dewar@adacore.com>

        * s-conca5.adb, g-sercom.adb, s-conca5.ads, s-conca7.adb, exp_imgv.adb,
        s-conca7.ads, s-crc32.adb, s-crc32.ads, s-conca9.adb, s-conca9.ads,
        s-addope.adb, i-cstrin.ads, s-addope.ads, s-carun8.adb, s-carun8.ads,
        g-htable.ads, g-hesora.adb, g-hesora.ads, s-htable.adb, s-htable.ads,
        s-conca2.adb, s-conca2.ads, a-except.adb, s-conca4.adb, a-except.ads,
        s-conca4.ads, s-except.adb, s-except.ads, s-conca6.adb, s-conca6.ads,
        g-spchge.adb, g-spchge.ads, g-u3spch.adb, g-u3spch.ads, s-conca8.adb,
        s-conca8.ads, g-byorma.adb, g-byorma.ads, s-memory.adb, s-memory.ads,
        g-speche.adb, g-speche.ads, g-stsifd-sockets.adb, exp_dist.adb,
        s-imgenu.adb, s-imgenu.ads, s-mastop.adb, s-mastop.ads, s-exctab.adb,
        s-exctab.ads, s-imenne.adb, s-imenne.ads, s-casuti.adb, osint.adb,
        s-assert.adb, s-casuti.ads, s-assert.ads, s-os_lib.adb, s-conca3.adb,
        s-conca3.ads: Remove unneeded pragma Warnings

2009-04-17  Robert Dewar  <dewar@adacore.com>

        * g-moreex.adb: Add comments.

        * s-auxdec.ads: Add ??? comment for uncommented pragma Warnings (Off)

        * s-auxdec-vms_64.ads: Add ??? comment for uncommented pragma
        Warnings (Off)

        * prepcomp.adb: Add ??? comment

        * a-tasatt.adb: Minor reformatting

        * g-trasym-vms-alpha.adb: Add ??? comment

        * g-trasym-vms-ia64.adb: Add ??? comment

        * xoscons.adb: Minor reformatting

        * s-tassta.adb: Minor reformatting

        * s-scaval.adb: Add ??? comment

        * stand.ads: Minor code clean up (remove junk with of Namet)

        * s-strcom.adb, s-strcom.ads, s-string.adb, s-string.ads, s-sopco3.adb,
        s-sopco3.ads, s-strops.adb, s-strops.ads, s-sopco5.adb, s-sopco5.ads,
        s-wchcnv.adb, s-wchcnv.ads, s-ststop.adb, s-ststop.ads, s-soflin.adb,
        s-soflin.ads, s-traceb.adb, s-traceb.ads, s-traent.adb, s-traent.ads,
        s-secsta.adb, s-secsta.ads, s-utf_32.adb, s-utf_32.ads, s-wchcon.adb,
        s-wchjis.adb, s-wchcon.ads, s-wchjis.ads, s-sopco4.adb, s-sopco4.ads,
        s-stache.adb, s-stache.ads, s-stoele.adb, s-stoele.ads, s-stalib.adb,
        s-stalib.ads, s-os_lib.ads, s-purexc.ads: Remove no longer needed
        Warnings off pragmas.

2009-04-17  Pascal Obry  <obry@adacore.com>

        * initialize.c: Fix test for reallocating the arguments array.

2009-04-17  Geert Bosch  <bosch@adacore.com>

        * exp_fixd.adb (Expand_Convert_Float_To_Fixed): Have float to fixed
        conversion truncate only for decimal fixed point types.

2009-04-17  Jerome Lambourg  <lambourg@adacore.com>

        * g-comlin.adb (Initialize_Scan_Option): Make sure the sections are
        reinitialized.

2009-04-17  Robert Dewar  <dewar@adacore.com>

        * exp_ch5.adb (Expand_Assign_Array): Do not set Forwards_OK and
        Backwards_OK if either operand has an address clause.

2009-04-17  Pascal Obry  <obry@adacore.com>

        * initialize.c: Code clean up, use realloc.

2009-04-17  Pascal Obry  <obry@adacore.com>

        * initialize.c: Do not get Unicode command line if Unicode support not
        activated.
        Add support for wildcard expansion for Unicode parameters on Win32.

        * mingw32.h: Add missing macros when Unicode support not activated.

2009-04-17  Javier Miranda  <miranda@adacore.com>

        * sem_ch6.adb (Check_Anonymous_Return): Add missing checks to
        avoid generating code that references the Current_Master
        when compiling without tasks.

2009-04-17  Vincent Celier  <celier@adacore.com>

        * prj-attr.adb: New project level attribute Target
        
        * prj-nmsc.adb (Process_Project_Level_Simple_Attributes): Process
        attribute Target
        
        * prj.ads (Project_Configuration): New component Target

2009-04-17  Thomas Quinot  <quinot@adacore.com>

        * exp_ch7.adb (Expand_Ctrl_Function_Call): Remove incorrect special
        case for the case of an aggregate component, the attach call for the
        result is actually needed.

        * exp_aggr.adb (Backend_Processing_Possible): Backend processing for
        an array aggregate must be disabled if the component type requires
        controlled actions.

        * exp_ch3.adb: Minor reformatting

2009-04-17  Bob Duff  <duff@adacore.com>

        * output.ads (Indent,Outdent): New procedures for indenting the output.
        (Write_Char): Correct comment -- LF _is_ allowed.

        * output.adb (Indent,Outdent): New procedures for indenting the output.
        Keep track of the indentation level, and make sure it doesn't get too
        high.
        (Flush_Buffer): Insert spaces at the beginning of each line, if
        indentation level is nonzero.
        (Save_Output_Buffer,Restore_Output_Buffer): Save and restore the current
        indentation level.
        (Set_Standard_Error,Set_Standard_Output): Remove superfluous
        "Next_Col := 1;".  Flush_Buffer does that.

        * sem_ch6.adb, sem_ch7.adb (Debug_Flag_C): Reorganize the output
        controlled by the -gnatdc switch. It now occurs on entry/exit to the
        relevant analysis routines, and calls Indent/Outdent to make the
        indentation reflect the nesting level.  Add "helper" routines, since
        otherwise lots of "return;" statements would skip the debugging output.

2009-04-17  Arnaud Charlet  <charlet@adacore.com>

        * s-taprop-tru64.adb, s-taprop-vms.adb, s-taprop-linux.adb,
        s-taprop-solaris.adb, s-taprop-irix.adb, s-taprop-hpux-dce.adb,
        s-taprop-posix.adb (Suspend_Until_True): Protect against early wakeup.

2009-04-17  Thomas Quinot  <quinot@adacore.com>

        * exp_aggr.adb: Minor code reorganization, no behaviour change.

2009-04-17  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Use_One_Type): Handle properly a redundant use type
        clause in a unit that is a package body or a subunit, when the previous
        clause appears in a spec or a parent.

2009-04-17  Thomas Quinot  <quinot@adacore.com>

        * sinfo.ads, exp_aggr.adb, exp_aggr.ads: Minor reformatting

        * exp_ch7.adb: Minor reformatting

2009-04-17  Bob Duff  <duff@adacore.com>

        * exp_ch4.adb (Expand_Allocator_Expression): In an initialized
        allocator, check that the expression of the qualified expression obeys
        the constraints of the subtype of the qualified expression.

2009-04-17  Thomas Quinot  <quinot@adacore.com>

        * sprint.adb (Write_Itype): Add handling of enumeration subtypes.

2009-04-17  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch4.adb (Expand_Allocator_Expression): Apply constraint check to
        aggregate, using context imposed by subtype mark in allocator.

2009-04-17  Pascal Obry  <obry@adacore.com>

        * gnat_rm.texi: Document GNAT_CODE_PAGE environment variable

2009-04-17  Nicolas Roche  <roche@adacore.com>

        * initialize.c (__gnat_initialize): remove MAX_PATH limitation on each
        argument length.

2009-04-17  Gary Dismukes  <dismukes@adacore.com>

        * sem_elim.adb (Eliminate_Error_Msg): Minor change to error message to
        cover both calls and attribute references ("call" => "reference").

2009-04-17  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb (Analyze_Subtype_Declaration): A subtype of an access
        type for which Storage_Size is set to 0 is legal in a pure unit.

2009-04-17  Thomas Quinot  <quinot@adacore.com>

        * exp_ch7.adb: Minor reformatting

2009-04-17  Robert Dewar  <dewar@adacore.com>

        * restrict.adb (Check_Restriction_No_Dependence): Don't check
        restriction if outside main extended source unit.

        * sem_ch10.adb (Analyze_With_Clause): Check No_Dependence restriction
        for parents of child units as well as the child unit itself.

2009-04-17  Bob Duff  <duff@adacore.com>

        * checks.ads: Minor comment fix

        * exp_aggr.ads: Minor comment fix

2009-04-17  Nicolas Roche  <roche@adacore.com>

        * adaint.c: Improve cross compiler detection and handling.

2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch4.adb (Expand_Concatenation): Do not use calls at -Os.

2009-04-17  Pascal Obry  <obry@adacore.com>

        * mingw32.h: Add S2WSC and WS2SC macros to convert to/from
        CurrentCodePage.

        * adaint.h: Encoding_Unspecified is now defined. Corresponds to the
        value when no encoding form paramter is set on Text_IO services.

        * adaint.c: CurrentCodePage new variable on Windows.
        Use new macros S2WSC and WS2SC instead of the UTF-8 oriented
        ones.

        * mkdir.c: Use new macros S2WSC and WS2SC instead of the UTF-8 oriented
        ones.

        * initialize.c: Initialize CurrentCodePage depending on GNAT_CODE_PAGE
        environment variable value. Default is UTF-8.

        * s-crtl.ads: Filename_Encoding add Unspecified in the enumeration type.
        fopen and freopen encoding parameter is now set to Unspecified.
        The default value is in this case UTF-8 (as it was before) but
        use the new macros that convert to/from the code page set
        at runtime (CurrentCodePage).

        * s-fileio.adb: When no encoding specified use Unspecified value.

2009-04-17  Ed Schonberg  <schonberg@adacore.com>

        * atree.adb, atree.ads: Remove dead code.

2009-04-17  Arnaud Charlet  <charlet@adacore.com>

        * gcc-interface/Make-lang.in: Update dependencies.

2009-04-17  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb (Access_Subprogram_Definition): Additional checks on
        illegal uses of incomplete types in formal parts and return types.

        * sem_ch6.adb (Process_Formals): Taft-amendment types are legal in
        access to subprograms.

        * sem_ch7.adb (Uninstall_Declarations): diagnose attempts to use
        Taft-amendment types as the return type of an access_to_function type.

        * freeze.adb (Freeze_Entity): Remove tests on formals of an incomplete
        type for access_to_subprograms. The check is performed on package exit.

2009-04-17  Ed Schonberg  <schonberg@adacore.com>

        * atree.ads, atree.adb: Move New_Copy_Tree.to sem_util.

        * nlists.ads, nlists.adb: Move New_Copy_List to sem_util.
        
        * lib-load.adb: Use Copy_Separate_Tree rather than New_Copy_Tree

        * sem_util.ads, sem_util.adb: New_Copy_Tree and New_Copy_List belong in
        semantic units, because the handling of itypes in the copied tree
        requires semantic information that does not belong in atree.

2009-04-17  Robert Dewar  <dewar@adacore.com>

        * par-ch6.adb: Minor reformatting

        * prj.adb: Minor reformatting

2009-04-17  Gary Dismukes  <dismukes@adacore.com>

        * par-ch6.adb (P_Subprogram): Overriding indicators should be allowed
        on protected subprogram bodies, so exclude the case where Pf_Flags is
        Pf_Decl_Pbod from the error check.

        * par-ch9.adb (P_Protected_Operation_Items): Permit overriding
        indicators on subprograms in protected bodies, and proceed with parsing
        the subprogram.

        * sem_ch6.adb (Verify_Overriding_Indicator): Exclude protected
        subprograms from the check for primitiveness on subprograms with
        overriding indicators.
        (Check_Overriding_Indicator): Include protected subprograms in the
        style check for missing overriding indicators.

2009-04-17  Tristan Gingold  <gingold@adacore.com>

        * init.c: Fix stack checking for x86 Darwin.

2009-04-17  Vincent Celier  <celier@adacore.com>

        * prj-attr.adb: New project level attribute Object_File_Suffix
        (<language>).
        
        * prj-nmsc.adb (Add_Source): Use the object file suffix to get the
        object file name
        (Process_Compiler): Process attribute Object_File_Suffix

        * prj.adb (Object_Name): Use suffix Object_File_Suffix instead of
        platform suffix, when specified.

        * prj.ads (Language_Config): New component Object_File_Suffix,
        defaulted to No_Name.
        (Object_Name): New parameter Object_File_Suffix, defaulted to No_Name

        * snames.ads-tmpl: New standard name Object_File_Suffix

2009-04-17  Robert Dewar  <dewar@adacore.com>

        * gnat_rm.texi: Add documentation about No_Streams restriction

        * sem_attr.adb (Check_Stream_Attribute): Exclude implicit stream
        attributes when checking No_Streams restriction.

2009-04-17  Thomas Quinot  <quinot@adacore.com>

        * rtsfind.ads (RE_Request_Destroy): New PolyORB s-parint entity.

        * exp_dist.adb (PolyORB_Support.Build_General_Calling_Stubs): Add
        missing calls to RE_Request_Destroy to deallocate request objects after
        use.

2009-04-17  Nicolas Setton  <setton@adacore.com>

        * link.c: Fix support for passing a response file under Darwin.

2009-04-17  Emmanuel Briot  <briot@adacore.com>

        * prj.adb (Free): new subprogram.

2009-04-17  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb: additional initialization on incomplete subtypes.
        
        * sem_ch6.adb (Process_Formals): if the subprogram is in the private
        part and one of the formals is an incomplete tagged type, attach to
        list of private dependends of the type for later validation.

        * sem_ch7.adb (Uninstall_Declarations): diagnose attempts to declare
        primitive operations of a Taft-amendmment type.

        * freeze.adb (Freeze_Entity): Remove tests on formals of an incomplete
        type. The check is performed on package exit, possibly after the
        subprogram is frozen.

2009-04-17  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb (Get_Directories): Get the object and exec directory
        before looking for source directories, but make sure that there are nil
        if they are not explicitely declared and there is explicitely no
        sources in the project.

2009-04-17  Pascal Obry  <obry@adacore.com>

        * initialize.c: Set gnat_argv with UTF-8 encoded strings on Windows.

        * init.c: Fix minor typo and style fix.

2009-04-17  Robert Dewar  <dewar@adacore.com>

        * a-except.adb, a-except-2005.adb: Add PE_Address_Of_Intrinsic

        * sem_attr.adb (Analyze_Attribute, case Address): Use
        PE_Address_Of_Intrinsic.

        * types.ads: Add PE_Address_Of_Intrinsic

        * types.h: Add PE_Address_Of_Intrinsic

2009-04-17  Nicolas Setton  <setton@adacore.com>

        * gcc-interface/Makefile.in: Under darwin, build shared libraries
        with install_name starting with "@rpath/".

2009-04-17  Nicolas Setton  <setton@adacore.com>

        * link.c: Add darwin section

2009-04-16  Robert Dewar  <dewar@adacore.com>

        * g-pehage.adb: Minor reformatting

        * sem_ch12.adb: Minor reformatting

        * exp_dist.adb: Minor reformatting

        * bindgen.adb: Minor style fixes.

2009-04-16  Ed Schonberg  <schonberg@adacore.com>

        * sem_eval.adb (Eval_Indexed_Component): Extend constant-folding of
        indexed components to the case where the prefix is a static string
        literal.

2009-04-16  Javier Miranda  <miranda@adacore.com>

        * exp_ch3.adb (Expand_N_Object_Declaration): In case of build-in-place
        objects avoid any further expansion of the expression initializing the
        object.

2009-04-16  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch12.adb (Preanalyze_Actuals): If the instance is a child unit
        that hides an outer homograph, make that homograph invisible when
        analyzing the actuals, to to prevent illegal direct visibility on it.

2009-04-16  Eric Botcazou  <ebotcazou@adacore.com>

        * g-pehage.adb (Initialize): Fix off-by-one error.

2009-04-16  Tristan Gingold  <gingold@adacore.com>

        * init.c: Detect real stack overflow on Darwin.

        * system-darwin-x86.ads: Use stack probing on darwin x86.

2009-04-16  Ed Schonberg  <schonberg@adacore.com>

        * sem_attr.adb (Analyze_Attribute, case 'Address): It is illegal to
        take the address of an intrinsic subprogram.

2009-04-16  Arnaud Charlet  <charlet@adacore.com>

        * gcc-interface/Makefile.in: Change g-trasym to g-trasym-unimplemented
        for the targets where GNAT.Traceback.Symbolic is not supported.

2009-04-16  Vincent Celier  <celier@adacore.com>

        * g-trasym-unimplemented.ads, g-trasym-unimplemented.adb: New file.

        * g-trasym.ads: Update comments.

2009-04-16  Vasiliy Fofanov  <fofanov@adacore.com>

        * tracebak.c (STOP_FRAME): Verify validity of the current address
        before dereferencing.

2009-04-16  Ed Schonberg  <schonberg@adacore.com>

        * sprint.adb (Write_Itype): If the itype is an array subtype, preserve
        the original location of the index expressions and the index subtypes,
        to prevent spurious out-of-scope references in gigi.

2009-04-16  Tristan Gingold  <gingold@adacore.com>

        * init.c, s-osinte-darwin.ads, system-darwin-x86_64.ads:
        Add support for stack checking on darwin.

2009-04-16  Vincent Celier  <celier@adacore.com>

        * prj-attr.adb: New attribute Runtime_Source_Dir

        * prj-nmsc.adb (Process_Project_Level_Array_Attributes): Process
        attribute Runtime_Source_Dir.
        (Check_Naming_Schemes): Give default values to out parameters to avoid
        invalid data.

        * prj.ads (Language_Config): New component Runtime_Source_Dir

        * snames.ads-tmpl: New standard name Runtime_Source_Dir

2009-04-16  Pascal Obry  <obry@adacore.com>

        * adaint.h, adaint.c (__gnat_rmdir): New routine.
        Simple wrapper routines used to convert to proper encoding on
        Windows.

        * s-crtl.ads: Use __gnat_rmdir instead of direct call to the C library.

        * g-dirope.adb (Remove_Dir): Fix a bug, the root directory was removed
        twice.

2009-04-16  Pascal Obry  <obry@adacore.com>

        * s-crtl.ads, s-os_lib.adb: Minor code clean-up.

2009-04-16  Thomas Quinot  <quinot@adacore.com>

        * snames.ads-tmpl (Name_Defined): New predefined name for use by the
        integrated preprocessor.

        * prep.ads, prep.adb (Setup_Hooks): New subprogram.
        (Initialize): Split into two subprograms, Initialize (to be called
        prior to compiler command line processing) and Setup_Hooks (to be called
        later on when the first source file is loaded).

        * gprep.adb: Change call to Prep.Initialize to call to Prep.Setup_Hooks.
        Add call to Prep.Initialize.

        * sinput-l.adb, prepcomp.adb: Change call to Prep.Initialize to call
        to Prep.Setup_Hooks.

2009-04-16  Pascal Obry  <obry@adacore.com>

        * adaint.h, adaint.c (__gnat_chdir): New routine.
        Simple wrapper routines used to convert to proper encoding on
        Windows.

        * s-crtl.ads: Use __gnat_chdir instead of direct call to the C library.

        * a-direct.adb, g-dirope.adb: Use chdir from System.CRTL.

2009-04-16  Quentin Ochem  <ochem@adacore.com>

        * sinput-p.adb (Clear_Source_File_Table): Use Sinput.Initialize instead
        of Source.Init.

2009-04-16  Eric Botcazou  <ebotcazou@adacore.com>

        * a-convec.ads (Is_Empty): Mark inline.

2009-04-16  Nicolas Roche  <roche@adacore.com>

        * init.c (__gnat_init_float): Initialize FPU on x86_64 windows

2009-04-16  Thomas Quinot  <quinot@adacore.com>

        * prepcomp.adb: Minor reformatting

2009-04-16  Jerome Lambourg  <lambourg@adacore.com>

        * sem_prag.adb (Process_Import_Or_Interface): With .NET,
        Access_Subprogram types can also be imported.
        (Check_Form_Of_Interface_Name): Accept '/' character in entity CIL
        names.

2009-04-16  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch6.adb (Make_Build_In_Place_Call_In_Object_Declaration):
        preserve homonym chain when the declaration is rewritten into a
        renaming declaration, in order to preserve visibility structure.

2009-04-16  Jerome Lambourg  <lambourg@adacore.com>

        * sem_prag.adb (Analyze_Pragma): Make sure that pragma pack is not
        taken into account for VM targets.

2009-04-16  Hristian Kirtchev  <kirtchev@adacore.com>

        * g-calend.ads, g-calend.adb (Week_In_Year): Now calls
        Year_Week_In_Year.
        (Year_Week_In_Year): New routine which contains the original code from
        Week_In_Year. Add the missing special case for January 1st falling on
        a Monday.

2009-04-16  Thomas Quinot  <quinot@adacore.com>

        * exp_dist.adb (Build_From_Any_Call): For a subtype that is a generic
        actual type, use the base type to build the To_Any function.
        (Build_From_Any_Function): Remove junk, useless subtype conversion.

2009-04-16  Thomas Quinot  <quinot@adacore.com>

        * exp_ch9.adb, exp_code.adb, tbuild.adb, sem_case.adb,
        restrict.adb: Minor code reorganization (use
        Add_{Char,Str}_To_Name_Buffer instead of inlining it by hand).

2009-04-16  Bob Duff  <duff@adacore.com>

        * exp_ch6.ads, exp_ch6.adb (Is_Build_In_Place_Function_Return): Remove,
        unused.

2009-04-16  Thomas Quinot  <quinot@adacore.com>

        * sem_ch4.adb: Minor reformatting

        * adaint.c: Remove junk duplicated code.

        * sem_ch3.adb: Minor reformatting

        * exp_dist.adb: Minor comment rewording

2009-04-16  Robert Dewar  <dewar@adacore.com>

        * gnat_rm.texi: Document effect of Assume_No_Invalid_Values and -gnatVa
        used together.

2009-04-16  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch4.adb (Find_Equality_Types): Filter out types that are not
        usable before calling Add_One_Interp, to resolve spurious ambiguities.

2009-04-16  Robert Dewar  <dewar@adacore.com>

        * Make-lang.in: Add entries for s-conca?.o

        * Makefile.rtl: Add entries for s-conca?

        * debug.adb: Add debug flags -gnatd.c and -gnatd.C to control behavior
        of concatenation expansion

        * exp_ch4.adb (Expand_Concatenation): Generate calls for certain
        string cases instead of expanding assignments inline.

        * opt.ads (Optimize_Size): New flag

        * s-conca2.ads, s-conca2.adb, s-conca3.adb, s-conca3.ads,
        s-conca4.adb, s-conca4.ads, s-conca5.adb, s-conca5.ads, s-conca6.adb,
        s-conca6.ads, s-conca7.ads, s-conca7.adb, s-conca8.adb, s-conca8.ads,
        s-conca9.adb, s-conca9.ads: New file.

2009-04-16  Robert Dewar  <dewar@adacore.com>

        * exp_ch6.adb: Add comments

        * rtsfind.ads: Add entries for s-conca? routines

2009-04-16  Arnaud Charlet  <charlet@adacore.com>

        * gcc-interface/Make-lang.in: Update dependencies.

        * gcc-interface/Makefile.in: Update translation for vms.

2009-04-16  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch12.adb (Map_Formal_Package_Entities): renamed from Map_Entities
        and made global, to be used when installing parents of a child
        instance, to provide mappings for entities declared in formal packages
        of ancestor units. Now called from Install_Formal_Packages.

2009-04-16  Doug Rupp  <rupp@adacore.com>

        * s-taskin.adb (Initialize_ATCB): Initialize Debug_Events with others
        notation for clarity.

        * s-taprop-vxworks.adb, s-taprop-tru64.adb, s-taprop-vms.adb,
        s-taprop-mingw.adb, s-taprop-linux.adb, s-taprop-solaris.adb,
        s-taprop-irix.adb, s-taprop-hpux-dce.adb, s-taprop-posix.adb
        (Initialize): Initialize Known_Tasks with Environment task.

        * s-taskin.ads (Task_States): Move new states to end for the sake of
        GDB compatibility.

        * s-tassta.adb (Task_Wrapper): Fix comment about Enter_Task.

2009-04-16  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch9.adb (Expand_N_Protected_Type_Declaration): If a protected
        operation has an inline pragma, propagate the flag to the internal
        unprotected subprogram.

2009-04-16  Doug Rupp  <rupp@adacore.com>

        * s-taprop-vxworks.adb, s-taprop-tru64.adb, s-taprop-mingw.adb,
        s-taprop-linux.adb, s-taprop-solaris.adb, s-taprop-irix.adb, 
        s-taprop-hpux-dce.adb, s-taprop-posix.adb
        (Enter_Task): Move Known_Tasks initialization to s-tassta.adb

        * s-taprop-vms.adb (Enter_Task): Likewise.
        (Initialize): Import DBEXT, Debug_Register. Register DBGEXT callback.

        * s-tassta.adb (Activate_Tasks): After task creation set state to
        Activating, vice Runnable. Initialize Known_Tasks, moved here from
        s-taprop.adb (Enter_Task). Set Debug_Event_Activating for debugger.
        Set state to Runnable after above.
        (Task_Wrapper): Set Debug_Event_Run. In exception block set
        Debug_Event_Terminated.

        * s-taskin.ads (Task_States): Add new states Activiting and
        Activator_Delay_Sleep.
        (Bit_Array, Debug_Event_Array): New types.
        (Global_Task_Debug_Event_Set: New flag.
        (Common_ATCB): New field Debug_Events.

        * s-taskin.adb (Initialize_ATCB): Initialize Debug_Events.

        * s-tasren.adb (Timed_Selective_Wait): Set Activator_Delay_Sleep vice
        Activator_Sleep.

        * s-tasini.adb (Locked_Abort_To_Level): Add case alternatives for when
        Activating and when Acceptor_Delay_Sleep.

        * s-tasdeb.ads: Add constants for Debug_Events.
        (Debug_Event_Kind_Type): New subtype.
        (Signal_Debug_Event): New subprogram.

        * s-tasdeb.adb (Signal_Debug_Event): New null subprogram.

2009-04-16  Thomas Quinot  <quinot@adacore.com>

        * sem_elim.adb: Minor reformatting

        * freeze.adb: Minor reformatting

        * exp_ch4.adb: Minor reformatting

2009-04-16  Emmanuel Briot  <briot@adacore.com>

        * prj-nmsc.adb (Path_Name_Of): fix memory leak

2009-04-16  Robert Dewar  <dewar@adacore.com>

        * sinfo.ads (Backwards_OK, Forwards_OK): Clarify documentation

2009-04-16  Vincent Celier  <celier@adacore.com>

        * fmap.adb (Initialize): Show the current line when the mapping file
        is detected as "incorrectly formatted".

2009-04-16  Robert Dewar  <dewar@adacore.com>

        * sem_ch12.adb: Minor reformatting

        * sem_ch5.adb: Minor comment addition

        * sem_util.adb: Minor reformatting

        * sinput-p.adb: Minor reformatting
        Add missing pragma Warnings (On)

2009-04-16  Ed Falis  <falis@adacore.com>

        * s-vxwext-kernel.adb: (ERROR): deleted unused constant

2009-04-16  Vincent Celier  <celier@adacore.com>

        * ali-util.adb: Minor comment spelling error fix

2009-04-16  Eric Botcazou  <ebotcazou@adacore.com>

        * exp_ch5.adb (Expand_Assign_Array): For the GCC back-end, do not
        generate an assignment loop in case of overlap.

2009-04-16  Olivier Hainque  <hainque@adacore.com>

        * gnat_ugn.texi (gnatmem description): Make it explicit that
        gnatmem is designed to work in association with static runtime
        library only.

2009-04-16  Thomas Quinot  <quinot@adacore.com>

        * sem_type.adb: Minor reformatting

2009-04-16  Hristian Kirtchev  <kirtchev@adacore.com>

        * s-osprim-darwin.adb, s-osprim-posix.adb (Clock): Add comment
        concerning return codes of gettimeofday and return value check.

2009-04-16  Ed Falis  <falis@adacore.com>

        * s-vxwext-kernel.ads (Int_Lock, Int_Unlock): set to convention C so
        body can be renaming of imported routines.

2009-04-16  Vasiliy Fofanov  <fofanov@adacore.com>

        * s-asthan-vms-alpha.adb: Disable warnings on alignment in a more
        targeted fashion.

2009-04-15  Hristian Kirtchev  <kirtchev@adacore.com>

        * exp_ch9.adb: Comment improvements.
        (Build_Entry_Family_Name): Add parentheses around the index of a entry
        family member.

2009-04-15  Bob Duff  <duff@adacore.com>

        * sem_warn.adb (Check_Infinite_Loop_Warning): Catch cases like
        "while X /= null loop" where X is unchanged inside the loop. We were
        not warning in this case, because of the pointers -- we feared that the
        loop variable could be updated via a pointer, if there are any pointers
        around the place. But that is impossible in this case.

        * sem_util.adb (May_Be_Lvalue): This routine was overly pessimistic in
        the case of dereferences. In X.all, X cannot be an l-value. We now
        catch that case (and implicit dereferences, too).

2009-04-15  Vincent Celier  <celier@adacore.com>

        * sinput-p.ads, sinput-p.adb (Clear_Source_File_Table): New procedure

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch12.adb (Is_Actual_Of_Previous_Formal): Make fully recursive.
        From code reading.
        (Analyze_Package_Instantiation): If generic unit in child instance is
        the same as generic unit in parent instance, look for an outer homonym
        to locate the desired generic.

2009-04-15  Bob Duff  <duff@adacore.com>

        * sem_ch5.adb (Analyze_Loop_Statement): Don't check for infinite loop
        warnings unless the loop comes from source, because checking generated
        loops is a waste of time, and makes it harder to debug
        Check_Infinite_Loop_Warning.

        * sem_warn.adb (Check_Infinite_Loop_Warning): If the local variable
        tested in the while loop is a renaming, do not warn. Otherwise, we get
        false alarms, because it's usually renaming something that we can't
        deal with (an indexed component, a global variable, ...).

        * gnat_rm.texi: Fix typo

2009-04-15  Thomas Quinot  <quinot@adacore.com>

        * sem_ch6.adb: Minor reformatting

2009-04-15  Hristian Kirtchev  <kirtchev@adacore.com>

        * exp_ch7.adb (Expand_Ctrl_Function_Call): Check for the case where the
        immediate parent of the controlled function call is a component
        association.

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Use_One_Type): If the type is tagged, indicate that the
        corresponding class-wide type is also in use.

2009-04-15  Thomas Quinot  <quinot@adacore.com>

        * frontend.adb: Minor comment fix

2009-04-15  Robert Dewar  <dewar@adacore.com>

        * gnatchop.adb (BOM_Length): New global variable
        (Write_Unit): Add new parameter Write_BOM
        (Write_Chopped_Files): Check for BOM and set Write_BOM for call
        to Write_Unit

        * gnat_ugn.texi: Add note on propagation of BOM by gnatchop

2009-04-15  Geert Bosch  <bosch@adacore.com>

        * system-mingw-x86_64.ads, system-darwin-x86_64.ads
        (Backend_Overflow_Checks): Set to True.

2009-04-15  Gary Dismukes  <dismukes@adacore.com>

        * par-ch3.adb (P_Type_Declaration): Issue an error if the synchronized
        keyword is given in a record extension.

2009-04-15  Hristian Kirtchev  <kirtchev@adacore.com>

        * exp_ch7.adb (Expand_Ctrl_Function_Call): Procede with the expansion
        of a controlled function call in the context of a record aggregate.
        This does not apply to array aggregates since the call will be expanded
        into assignments.

2009-04-15  Ed Falis  <falis@adacore.com>

        * s-osinte-vxworks-kernel.adb, s-osinte-vxworks.adb,
        s-osinte-vxworks.ads s-vxwext.ads, s-vxwext-kernel.adb,
        s-vxwext-kernel.ads, s-vxwext-rtp.ads, s-vxwext-rtp.adb: Reorganize
        s-osinte-vxworks* and s-vxwext*.

2009-04-15  Arnaud Charlet  <charlet@adacore.com>

        * gcc-interface/Make-lang.in: Update dependencies.

        * gcc-interface/Makefile.in: Reorganization of s-osinte-vxworks*
        and s-vxwext*.

2009-04-15  Robert Dewar  <dewar@adacore.com>

        * sem_ch13.adb (Unchecked_Conversions): Store source location instead
        of node for location for warning messages.

        * gnatchop.adb: Minor reformatting

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch6.adb: additional guard for renaming declarations for in
        parameters of an array type.

2009-04-15  Robert Dewar  <dewar@adacore.com>

        * sem_eval.adb (Get_Static_Length): Go to origin node for array bounds
        in case they were rewritten by expander (Force_Evaluation).

        * targparm.adb (Get_Target_Parameters): Correct check for
        Suppress_Exception_Locations.

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch6.adb (Expand_Inlined_Call): If an in-parameter in a call to be
        inlined  is of an array type that is not bit-packed, use a renaming
        declaration to capture its value, rather than a constant declaration.

2009-04-15  Robert Dewar  <dewar@adacore.com>

        * rtsfind.adb: Minor reformatting.

2009-04-15  Emmanuel Briot  <briot@adacore.com>

        * prj-part.adb, prj-tree.adb, prj-tree.ads (Restore_And_Free): renames
        Restore, and free the saved context.

2009-04-15  Gary Dismukes  <dismukes@adacore.com>

        * sem_ch3.adb (Analyze_Private_Extension_Declaration): Move error check
        for illegal private extension from a synchronized interface parent in
        front of check for illegal limited extension so that limited extension
        from a synchronized interface will be rejected.
        (Check_Ifaces): Check that a private extension that has a synchronized
        interface as a progenitor must be explicitly declared synchronized.
        Also check that a record extension cannot derive from a synchronized
        interface.

2009-04-15  Pascal Obry  <obry@adacore.com>

        * adaint.h (__gnat_unlink): Add spec.
        (__gnat_rename): Likewise.

2009-04-15  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb: Minor spelling error corrections in error messages

2009-04-15  Robert Dewar  <dewar@adacore.com>

        * sinfo.ads: Minor comment update

        * opt.ads: Minor comment updates

        * checks.adb (Enable_Overflow_Check): Do not set Do_Overflow_Check for
        modular type.

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * exp_disp.ads, exp_disp.adb (Register_Primitive): Is now a function
        that generates the code needed to update a dispatch table when a
        primitive operation is declared with a subprogram body without previous
        spec. Insertion of the generated code is responsibility of the caller.
        (Make_DT): When building static tables, append the code created by
        Register_Primitive to update a secondary table after it has been
        constructed.

        * exp_ch3.adb, exp_ch6.adb: use new version of Register_Primitive.

        * sem_disp.adb (Check_Dispatching_Operation): Call Register_Primitive
        on an overriding operation that implements an interface operation only
        if not building static dispatch tables.

2009-04-15  Hristian Kirtchev  <kirtchev@adacore.com>

        * a-caldel-vms.adb (To_Duration): Declare a "safe" end of time which
        does not cause overflow when converted to Duration. Use the safe value
        as the maximum allowable time delay..

2009-04-15  Jerome Lambourg  <lambourg@adacore.com>

        * g-comlin.adb (Set_Command_Line): When adding a switch with attached
        parameter, specify that the delimiter is NUL, otherwise "-j2" will be
        translated to "-j 2".

2009-04-15  Bob Duff  <duff@adacore.com>

        * rtsfind.adb (Maybe_Add_With): Split out procedure to add implicit
        with_clauses, to avoid code duplication. Change this processing so we
        always add a with_clause on the main unit if needed.

2009-04-15  Pascal Obry  <obry@adacore.com>

        Add support for Win32 native encoding for delete/rename routines.
        
        * adaint.c (__gnat_unlink): New routine.
        (__gnat_rename): New routine.
        Simple wrapper routines used to convert to proper encoding on
        Windows.

        * s-os_lib.adb: Use __gnat_unlink and __gnat_rename instead of direct
        call to the C library.

        * g-sercom-mingw.adb, s-win32.ads: Update Win32 binding.

2009-04-15  Robert Dewar  <dewar@adacore.com>

        * s-tassta.adb: Minor reformatting

2009-04-15  Robert Dewar  <dewar@adacore.com>

        * frontend.adb (Frontend): Set proper default for
        Warn_On_Non_Local_Exception.

        * opt.ads (Exception_Handler_Encountered): New flag
        (No_Warn_On_Non_Local_Exception): New flag

        * par-ch11.adb (P_Exception_Handler): Set Exception_Handler_Encountered

        * sem_warn.adb (Set_Warning_Switch): Set No_Warn_On_Non_Local_Exception
        (Set_Dot_Warning_Switch): Set No_Warn_On_Non_Local_Exception

2009-04-15  Cyrille Comar  <comar@adacore.com>

        * s-tassta.adb, a-exextr.adb, a-elchha.adb
        (Ada.Exception.Last_Chance_Handler): Do not print unhandled exception
        message when exception traces are active since it would generate
        redundant information.
        (Exception_Traces.Notify_Exception): put message output by a critical
        section to avoid unsynchronized output.
        (Trace_Unhandled_Exception_In_Task): put message output by a critical
        section to avoid unsynchronized output.

2009-04-15  Emmanuel Briot  <briot@adacore.com>

        * g-comlin.adb, prj-tree.adb, prj-tree.ads, prj.adb, prj.ads
        (Free): New subprogram.

2009-04-15  Hristian Kirtchev  <kirtchev@adacore.com>

        * a-calend.adb: Add new constant Nanos_In_Four_Years.
        (Formatting_Operations.Time_Of): Change the way four year chunks of
        nanoseconds are added to the intermediate result.

2009-04-15  Nicolas Setton  <setton@adacore.com>

        * sysdep.c: Add __APPLE__ in the list of systems where get_immediate
        does not need to wait for a carriage return.

2009-04-15  Tristan Gingold  <gingold@adacore.com>

        * bindgen.adb: Do not generate adafinal if No_Finalization restriction
        is set.

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * freeze.adb (Freeze_Entity): improve error message for improper use of
        incomplete types.
        Diagnose additional illegal uses of incomplete types in formal parts.
        appearing in formal parts.

        * sem_ch6.adb (Process_Formals, Analyze_Return_Type): ditto.

2009-04-15  Robert Dewar  <dewar@adacore.com>

        * exp_ch4.adb (Expand_N_Allocator): Install test for object too large.

2009-04-15  Nicolas Roche  <roche@adacore.com>

        * adaint.c: Add function __gnat_lwp_self that retrieves the LWP of the
        current thread.

        * s-osinte-linux.ads: Import the __gnat_lwp_self function as lwp_self

        * s-taprop-linux.adb (Enter_Task): Store the LWP in the TCB

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch4.adb: improve error message on exponentiation.

2009-04-15  Hristian Kirtchev  <kirtchev@adacore.com>

        * a-calend.adb: Move constant Epoch_Offset from package
        Conversion_Operations to top level.
        (Delay_Operations.To_Duration): Define a constant which represents
        "end of time" and use it as a guard against very distant delay dates.
        Protect the code against overflow when performing the origin shift to
        Unix time.

2009-04-15  Robert Dewar  <dewar@adacore.com>

        * sem_prag.adb: Minor reformatting.

        * sem_type.adb: Minor reformatting

2009-04-15  Javier Miranda  <miranda@adacore.com>

        * sem_ch6.adb (Analyze_Abstract_Subprogram_Declaration): Add missing
        support to check eliminated subprograms.

        * sem_elim.ads (Eliminate_Error_Msg): Update documentation.

        * sem_elim.adb (Set_Eliminated): Add support for elimination of
        dispatching subprograms.

        * exp_disp.adb (Make_DT): Minor code cleanup when freezing primitive
        operations. Initialize with "null" the slots of eliminated dispaching
        primitives.
        (Write_DT): Add output for eliminated primitives.

        * sem_disp.adb (Check_Dispatching_Call): Check eliminated primitives.

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Use_One_Type): If both clauses appear on the same unit,
        the second is redundant, regardless of scopes.

2009-04-15  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb (Get_Directories): Check for sources before checking
        the object directory as when there are no sources, they may not be any
        object directory.

        * make.adb (Gnatmake): Do not attempt to get the path name of the exec
        directory, when there are no exec directory.

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * sem_type.adb (Remove_Conversions): In order to resolve spurious
        ambiguities, refine removal of universal interpretations from complex
        expressions with literal arguments, when some numeric operators have
        been declared abstract.

2009-04-15  Ed Falis  <falis@adacore.com>

        * init.c: Map SIGSEGV to Storage_Error for all targets for uniformity
        and backward compatibility for targets using probing for stack overflow

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * sem_prag.adb (Analyze_Pragma, case 'Obsolescent): Pragma is legal
        after any declaration, including renaming declarations.

2009-04-15  Arnaud Charlet  <charlet@adacore.com>

        * gcc-interface/Make-lang.in: Update dependencies.

        * gcc-interface/Makefile.in: Fix VxWorks target pairs.
        Update xenomai target pairs.

2009-04-15  Javier Miranda  <miranda@adacore.com>

        * exp_ch4.adb (Expand_N_Allocator): Code cleanup.

        * sem_ch6.adb (Check_Anonymous_Return): Add missing support for
        functions returning anonymous access to class-wide limited types. Mark
        also the containing scope as a task master.

        * sem_ch8.adb (Restore_Scope_Stack): Add missing management for
        limited-withed packages. Required to restore their visibility after
        processing packages associated with implicit with-clauses.

        * exp_ch3.adb (Build_Class_Wide_Master): Avoid marking masters
        associated with return statements because this work is now done by
        Check_Anonymous_Return.
        (Build_Master): Code cleanup.

2009-04-15  Thomas Quinot  <quinot@adacore.com>

        * sem_warn.ads: Minor reformatting

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb: better error message for illegal interfaces

        * sem_ch6.adb (Possible_Freeze): Delay freezing a subprogram if a
        formal is an incomplete type from a limited_with clause.

2009-04-15  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb (Locate_Directory): New Boolean parameter
        Externally_Built indicating if the project is externally built. If it
        is, and --subdirs is specified, but the subdir does not exist, look
        for the specified directory, without the subdir.

2009-04-15  Gary Dismukes  <dismukes@adacore.com>

        * a-tasatt.adb: Fix typo, plus minor reformatting

        * sem_ch3.ads: Add missing hyphen ("class wide" => "class-wide").

        * sem_ch10.adb: Add missing hyphen ("use visible" => "use-visible").

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb (Analyze_Private_Extension_Declaration): Verify that a
        private extension whose parent is a synchronized interface carries an
        explicit synchronized keyword.

2009-04-15  Thomas Quinot  <quinot@adacore.com>

        * exp_smem.adb (Make_Shared_Var_Procs): For a protected type,
        instantiate generic shared object package with the corresponding
        record type.

2009-04-15  Arnaud Charlet  <charlet@adacore.com>

        * system-linux-sparc.ads: Remove obsolete entries.

2009-04-15  Thomas Quinot  <quinot@adacore.com>

        * s-tasuti.ads: Add ??? comment

2009-04-15  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb (Analyze_Type_Declaration): Create freeze node for access
        type even if the designated type comes from a limited_with clause, to
        ensure that the symbol for the finalization list of the access type is
        created.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * sem_warn.ads, sem_warn.adb (Check_Low_Bound_Tested): Catch more cases
        for warning suppression.

2009-04-10  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Use_One_Type): If the two use_type clauses are
        identical, there is no redudancy to check.

2009-04-10  Gary Dismukes  <dismukes@adacore.com>

        * exp_ch5.adb (Expand_N_Extended_Return_Statement): Delete redundant
        calls initializing SS_Allocator (which is initialized in following
        code).
        (Expand_Simple_Function_Return): Add comment about False value for
        Comes_From_Source on secondary-stack allocator.

        * exp_ch9.adb (Build_Entry_Family_Name): Add comment.
        (Build_Entry_Name): Add comment.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * einfo.ads, einfo.adb (Low_Bound_Tested): New name for Low_Bound_Known

        * sem_prag.adb (Analyze_Pragma, case Check): Remove check for lower
        bound tested, since this is now done more generally in Sem_Res.

        * sem_res.adb (Resolve_Comparison_Op): Add call to
        Check_Lower_Bound_Tested.
        (Resolve_Equality_Op): Add call to Check_Lower_Bound_Tested

        * sem_warn.ads, sem_warn.adb (Check_Low_Bound_Tested): New procedure
        (Low_Bound_Tested): New name for Low_Bound_Known flag

        * exp_ch5.adb: Minor reformatting

        * exp_ch4.adb:
        Add comments on copying the Comes_From_Source flag for allocators

        * sinfo.ads:
        Add comments on copying the Comes_From_Source flag for allocators

        * exp_ch6.adb (Make_Build_In_Place_Call_In_Allocator): Copy
        Comes_From_Source flag from old allocator to new one.

2009-04-10  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch6.ads: Address missing documentation query

2009-04-10  Vincent Celier  <celier@adacore.com>

        * prj-attr.adb:
        Add new Linker attributes Max_Command_Line_Length, Response_File_Format
        and Response_File_Switches.

        * prj-nmsc.adb (Process_Linker): Process new attributes
        Max_Command_Line_Length, Response_File_Format and
        Response_File_Switches.

        * prj.ads (Response_File_Format): New enumeration type
        (Project_Configuration): New componants Max_Command_Line_Length,
        Resp_File_Format and Resp_File_Options.

        * snames.ads-tmpl: Add new standard names for linking response files
        for gprbuild: GNU, None, Object_List, Option_List,
        Max_Command_Line_Length, Response_File_Format and
        Response_File_Switches.

2009-04-10  Geert Bosch  <bosch@adacore.com>

        * system-aix.ads, system-darwin-ppc.ads, system-darwin-x86.ads,
        system-freebsd-x86.ads, system-hpux.ads, system-hpux-ia64.ads,
        system-irix-n32.ads, system-irix-o32.ads, system-linux-alpha.ads,
        system-linux-hppa.ads, system-linux-ia64.ads, system-linux-ppc.ads,
        system-linux-s390.ads, system-linux-s390x.ads, system-linux-sh4.ads,
        system-linux-sparc.ads, system-linux-x86_64.ads, system-linux-x86.ads,
        system-mingw.ads, system-solaris-sparc.ads, system-solaris-sparcv9.ads,
        system-solaris-x86.ads, system-tru64.ads, system-vms_64.ads,
        system-vms.ads, system-vms-ia64.ads, system-vms-zcx.ads,
        system-vxworks-arm.ads, system-vxworks-m68k.ads,
        system-vxworks-mips.ads, system-vxworks-ppc.ads,
        system-vxworks-sparcv9.ads, system-vxworks-x86.ads
        (Backend_Overflow_Checks): Set to True.

2009-04-10  Thomas Quinot  <quinot@adacore.com>

        * exp_attr.adb: Minor reformatting

2009-04-10  Ed Schonberg  <schonberg@adacore.com>

        * sem_prag.adb (Check_Precondition_Postcondition): Within a generic,
        analyze the expression for a postcondition, even if the compiler mode
        is Generate_Code.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * sem_aux.adb: Minor reformatting

2009-04-10  Ed Falis  <falis@adacore.com>

        * init.c: Change VxWorks 6 stack overflow checking for kernel apps.

        * system-vxworks-ppc.ads, system-vxworks-x86.ads: Update header.

2009-04-10  Thomas Quinot  <quinot@adacore.com>

        * sem_ch6.ads (Check_Subtype_Conformant): Add ??? comment for
        undocumented formal.
        Minor reformatting

        * a-direio.ads: Fix typo in comment

        * sem_ch3.adb, g-dirope.adb, sem_type.adb, sem_ch12.adb, sem_case.adb,
        errout.adb, sem_ch4.adb, sem_ch11.adb, exp_dist.adb, sem_ch13.adb:
        Use uniform phrasing for comment at start of subprogram body.

        * xsnamest.adb: Add note to explain why we use specific names for the
        newly generated files instead of generating snames.{ads,adb,h} directly

2009-04-10  Sergey Rybin  <rybin@adacore.com>

        * vms_data.ads:
        Add qualifier for new gnatstub option '--no-exception'

        * gnat_ugn.texi:
        Add the description of the new gnatstub option '--no-exception'

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * rtsfind.adb: Minor reformatting

2009-04-10  Thomas Quinot  <quinot@adacore.com>

        * sem_disp.adb: Minor reformatting.
        Add comment pointing to RM clause for the case of warning against a
        (failed) attempt at declaring a primitive operation elsewhere than in a
        package spec.

2009-04-10  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch12.adb (Denotes_Formal_Package): Check whether the package is
        an actual for a previous formal package of the current instance.

2009-04-10  Bob Duff  <duff@adacore.com>

        * rtsfind.adb (RTE): Put implicit with_clauses on whatever unit needs
        them first, rather than on the extended main unit.

2009-04-10  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch6.adb (Check_Discriminant_Conformance): If discriminant
        specification of full view carries a null exclusion indicator, create
        an itype for it, to check for conformance with partial view.

2009-04-10  Bob Duff  <duff@adacore.com>

        * rtsfind.ads: Minor code change: make RE_Unit_Table constant.

        * rtsfind.adb: Minor comment changes, and remove useless code.

        * sinfo.ads: Add ??? comment.

2009-04-10  Vincent Celier  <celier@adacore.com>

        * vms_data.ads: Add missing GNAT SYNC VMS qualifiers -main= and -U

2009-04-10  Ed Schonberg  <schonberg@adacore.com>

        * exp_attr.adb (Expand_N_Attribute_Reference, case 'Tag): If the tagged
        type is a synchronized type, retrieve tag information from the
        corresponding record, which has the dispatch table link.

2009-04-10  Jerome Lambourg  <lambourg@adacore.com>

        * g-comlin.adb (Group_Analysis): Take care of switches that might be
        decomposed afterwards, but are present as-is in the command line
        configuration, and thus should be kept as-is.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * gnat_rm.texi: Document that postconditions are tested on implicit
        returns.

        * sem_aux.adb: Minor reformatting

2009-04-10  Gary Dismukes  <dismukes@adacore.com>

        * itypes.adb (Create_Null_Excluding_Itype): Apply Base_Type when
        setting Etype.
        
        * par-ch3.adb (P_Access_Type_Definition): Set new attribute
        Null_Exclusion_In_Return_Present when an access-to-function type has a
        result type with an explicit not null.

        * sem_ch3.adb (Access_Subprogram_Definition): If a null exclusion is
        given on the result type, then create a null-excluding itype for the
        function.

        * sem_ch6.adb (Analyze_Return_Type): Create a null-excluding itype in
        the case where a null exclusion is imposed on a named access type.
        (Analyze_Subprogram_Specification): Push and pop the scope of the
        function around the call to Analyze_Return_Type in the case of no
        formals, for consistency with handling when formals are present
        (Process_Formals does this). Ensures that any itype created for the
        return type will be associated with the proper scope.

        * sem_ch12.adb (Analyze_Generic_Subprogram_Declaration): If a null
        exclusion is given on a generic function's result type, then create a
        null-excluding itype for the generic function.
        (Instantiate_Object): Set Null_Exclusion_Present of a constant created
        for an actual for a formal in object according to the setting on the
        formal. Ensures null exclusion checks are done when the association is
        elaborated.

        * sinfo.ads: Add new flag Null_Exclusion_In_Return_Present on
        N_Access_Function_Definition.

        * sinfo.adb: Add Get_ and Set_ operations for
        Null_Exclusion_In_Return_Present.

2009-04-10  Bob Duff  <duff@adacore.com>

        * exp_ch5.adb, exp_ch6.adb, sem_ch6.adb: Move the code that creates a
        call to the _Postconditions procedure in the case of implicit returns
        from analysis to expansion. This eliminates some duplicated code. Use
        the Postcondition_Proc to find the identity of this procedure during
        expansion.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * sem_ch6.adb: Minor code clean up.

        * einfo.ads, sem_attr.adb: Minor comment fixes.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * sem_ch8.adb: Minor reformatting

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * einfo.ads, einfo.adb (Postcondition_Proc): New attribute for
        procedures.

        * sem_ch6.adb: Minor code clean up.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * mlib-tgt-specific-xi.adb: Minor reformatting

2009-04-10  Bob Duff  <duff@adacore.com>

        * einfo.ads: Minor comment fixes

2009-04-10  Vincent Celier  <celier@adacore.com>

        * snames.ads-tmpl: Remove names that are no longer used in the
        Project Manager.
        Mark specifically those that are used only in gprbuild

2009-04-10  Eric Botcazou  <ebotcazou@adacore.com>

        * init.c: Adjust EH support code on Alpha/Tru64.

2009-04-10  Bob Duff  <duff@adacore.com>

        * sem_ch6.adb (Process_PPCs): Add a call to the _Postconditions
        procedure on every path that could return implicitly (not via a return
        statement) from a procedure.

2009-04-10  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch9.adb (Build_Master_Entity): An extended return statement is a
        valid scope for a task declarations and therefore for a master id.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * sem_aux.adb: Minor reformatting

2009-04-10  Vincent Celier  <celier@adacore.com>

        * scn.adb (Obsolescent_Check_Flag): New Boolean flag, initialized to
        True.
        (Obsolescent_Check): Do nothing if Obsolescent_Check_Flag is False
        (Set_Obsolescent_Check): New procedure to change the value of
        Obsolescent_Check_Flag.

        * scn.ads (Set_Obsolescent_Check): New procedure to control
        Obsolescent_Check.

        * sinput-l.adb (Load_File): Do not check for pragma Restrictions on
        obsolescent features while preprocessing.

2009-04-10  Thomas Quinot  <quinot@adacore.com>

        * xsnamest.adb: Use XUtil to have uniform line endings (UNIX style) in
        generated files on all platforms.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * sem_aux.adb: Minor reformatting

2009-04-10  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch3.adb (Access_Definition): Handle properly the case of a
        protected function with formals that returns an anonymous access type.

2009-04-10  Thomas Quinot  <quinot@adacore.com>

        * sem_disp.adb: Minor reformatting

2009-04-10  Vasiliy Fofanov  <fofanov@adacore.com>

        * seh_init.c: Do not use the 32-bit specific implementation of
        __gnat_install_SEH_handler on 64-bit Windows target (64-bit specific
        version TBD).

2009-04-10  Jose Ruiz  <ruiz@adacore.com>

        * mlib-tgt-specific-xi.adb (Get_Target_Prefix): Target_Name may contain
        a '/' at the end so we better use the complete target name to determine
        whether it is a PowerPC 55xx target.

2009-04-10  Thomas Quinot  <quinot@adacore.com>

        * sem_eval.adb: Minor reformatting

2009-04-10  Thomas Quinot  <quinot@adacore.com>

        * snames.h, snames.ads, snames.adb: Remove files, now generated from
        templates.

        * snames.h-tmpl, snames.ads-tmpl, snames.adb-tmpl: Templates for the
        above.

        * xsnamest.adb: New file.

        * gcc-interface/Make-lang.in: New target for automated generation of
        snames.ads, snames.adb and snames.h

2009-04-10  Tristan Gingold  <gingold@adacore.com>

        * gcc-interface/Makefile.in, gcc-interface/utils.c: Include "rtl.h" to
        avoid compile time warnings.
        Do not add gcc/config in include search list while compiling the RTS.
        Pragma Thread_Local_Storage is available on any target.

2009-04-10  Bob Duff  <duff@adacore.com>

        * sem.ads, par.adb, sem_ch6.adb, sem_ch8.adb: Minor comment fixes.

2009-04-10  Tristan Gingold  <gingold@adacore.com>

        * init.c: Install signal handler on Darwin.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * sem_prag.adb: Minor reformatting

        * exp_util.adb (Make_Non_Empty_Check): New function
        (Silly_Boolean_Array_Not_Test): Add call to Make_Non_Empty_Check
        (Silly_Boolean_Array_Xor_Test): Use Make_Non_Empty_Check

2009-04-10  Arnaud Charlet  <charlet@adacore.com>

        * make.adb, gnatlink.adb: Rename JGNAT toolchain.

2009-04-10  Jose Ruiz  <ruiz@adacore.com>

        * mlib-tgt-specific-xi.adb (Get_Target_Prefix): Insert the appropriate
        tool prefix for AVR and PowerPC 55xx targets.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * sem_warn.adb (Within_Postcondition): New function
        (Check_Unset_Reference): Use Within_Postcondition to stop bad warning

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * sem_warn.adb: Minor reformatting

        * make.adb: Minor reformatting.

2009-04-10  Gary Dismukes  <dismukes@adacore.com>

        * exp_ch7.adb (Find_Final_List): When creating a finalization-chain
        entity and the scope is a subprogram, retrieve the Sloc of the
        subprogram's body rather than using the sloc of the spec, for better
        line-stepping behavior in gdb.
        (Wrap_Transient_Declaration): For the Sloc of nodes created with a list
        controller, use the Sloc of the first declaration of the containing list
        rather than that of the node that triggered creation of the list
        controller.

2009-04-10  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb (Check_Naming_Schemes): Initialize local variable Casing
        to avoid gcc warning.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * g-comlin.adb: Add ??? comment

2009-04-10  Ed Schonberg  <schonberg@adacore.com>

        * sem_warn.adb (Check_Unused_Withs): Do not emit message about
        unreferenced entities for a package with no visible declarations.

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * exp_ch9.adb: Minor reformatting

2009-04-10  Thomas Quinot  <quinot@adacore.com>

        * sem_prag.adb: Minor reformatting

2009-04-10  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb:
        (Check_Library_Attributes): For a project qualified as a library project
        that is not a library project, indicate in the error message which
        attributes are missing (Library_Dir and/or Library_Name).

2009-04-10  Bob Duff  <duff@adacore.com>

        * exp_ch5.adb, exp_ch9.adb: Avoid use of No_Position in Sloc of
        generated nodes, because it might confuse various circuits in the FE.

2009-04-10  Ed Schonberg  <schonberg@adacore.com>

        * sem_prag.adb (Analyze_Pragma, case Task_Name): Do not expand argument
        of pragma. It will be recopied and analyzed when used in call to
        Create_Task.

        * sem_res.adb (Resolve_Call): Clarify use of secondary stack within
        initialization operations and recognize use of it in procedure calls
        within init_procs.

        * exp_ch9.adb (Make_Task_Create_Call): Copy full tree of Task_Name
        argument, because it may have side-effects.

        * exp_ch2.adb: Remove obsolete comments on default functions

2009-04-10  Jose Ruiz  <ruiz@adacore.com>

        * adaint.c (RTX section): Do for RTX the same thing as we do for
        Windows (include ctype.h and define a fallback ISALPHA if IN_RTS).

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * sem_aux.ads, sem_aux.adb (Nearest_Current_Scope): New function.

        * sem_res.adb (Resolve_Call): Fix test for
        Suppress_Value_Tracking_On_Call (was wrong for the case of a call from
        a non-dynamic scope).

2009-04-10  Robert Dewar  <dewar@adacore.com>

        * make.adb: Add comment.
        Minor reformatting

2009-04-10  Nicolas Setton  <setton@adacore.com>

        * s-osprim-darwin.adb: New file.

        * s-osinte-darwin.adb, s-osinte-darwin.ads: Fix binding to timespec.

2009-04-10  Thomas Quinot  <quinot@adacore.com>

        * g-socket.ads: Add comment clarifying alignment requirement for Fd_Set

2009-04-09  Nick Clifton  <nickc@redhat.com>

        * adadecode.h: Change copyright header to refer to version
        3 of the GNU General Public License with version 3.1 of the
        GCC Runtime Library Exception and to point readers at the
        COPYING3 and COPYING3.RUNTIME files and the FSF's license web
        page.
        * 9drpc.adb: Likewise.
        * a-assert.adb: Likewise.
        * a-astaco.adb: Likewise.
        * a-calari.adb: Likewise.
        * a-calcon.adb: Likewise.
        * a-calcon.ads: Likewise.
        * a-caldel.ads: Likewise.
        * a-calend-vms.adb: Likewise.
        * a-calend-vms.ads: Likewise.
        * a-calend.adb: Likewise.
        * a-calend.ads: Likewise.
        * a-calfor.adb: Likewise.
        * a-catizo.adb: Likewise.
        * a-cdlili.adb: Likewise.
        * a-cdlili.ads: Likewise.
        * a-cgaaso.adb: Likewise.
        * a-cgaaso.ads: Likewise.
        * a-cgarso.adb: Likewise.
        * a-cgcaso.adb: Likewise.
        * a-chacon.adb: Likewise.
        * a-chacon.ads: Likewise.
        * a-chahan.adb: Likewise.
        * a-chahan.ads: Likewise.
        * a-chlat9.ads: Likewise.
        * a-chtgke.adb: Likewise.
        * a-chtgke.ads: Likewise.
        * a-chtgop.adb: Likewise.
        * a-chtgop.ads: Likewise.
        * a-chzla1.ads: Likewise.
        * a-chzla9.ads: Likewise.
        * a-cidlli.adb: Likewise.
        * a-cidlli.ads: Likewise.
        * a-cihama.adb: Likewise.
        * a-cihama.ads: Likewise.
        * a-cihase.adb: Likewise.
        * a-cihase.ads: Likewise.
        * a-ciorma.adb: Likewise.
        * a-ciorma.ads: Likewise.
        * a-ciormu.adb: Likewise.
        * a-ciormu.ads: Likewise.
        * a-ciorse.adb: Likewise.
        * a-ciorse.ads: Likewise.
        * a-clrefi.adb: Likewise.
        * a-clrefi.ads: Likewise.
        * a-cohama.adb: Likewise.
        * a-cohama.ads: Likewise.
        * a-cohase.adb: Likewise.
        * a-cohase.ads: Likewise.
        * a-cohata.ads: Likewise.
        * a-coinve.adb: Likewise.
        * a-coinve.ads: Likewise.
        * a-colien.adb: Likewise.
        * a-colien.ads: Likewise.
        * a-colire.adb: Likewise.
        * a-colire.ads: Likewise.
        * a-comlin.adb: Likewise.
        * a-comlin.ads: Likewise.
        * a-convec.adb: Likewise.
        * a-convec.ads: Likewise.
        * a-coorma.adb: Likewise.
        * a-coorma.ads: Likewise.
        * a-coormu.adb: Likewise.
        * a-coormu.ads: Likewise.
        * a-coorse.adb: Likewise.
        * a-coorse.ads: Likewise.
        * a-coprnu.adb: Likewise.
        * a-coprnu.ads: Likewise.
        * a-crbltr.ads: Likewise.
        * a-crbtgk.adb: Likewise.
        * a-crbtgk.ads: Likewise.
        * a-crbtgo.adb: Likewise.
        * a-crbtgo.ads: Likewise.
        * a-crdlli.adb: Likewise.
        * a-crdlli.ads: Likewise.
        * a-cwila1.ads: Likewise.
        * a-cwila9.ads: Likewise.
        * a-decima.adb: Likewise.
        * a-decima.ads: Likewise.
        * a-diocst.adb: Likewise.
        * a-diocst.ads: Likewise.
        * a-direct.adb: Likewise.
        * a-direct.ads: Likewise.
        * a-direio.adb: Likewise.
        * a-direio.ads: Likewise.
        * a-dirval-mingw.adb: Likewise.
        * a-dirval-vms.adb: Likewise.
        * a-dirval.adb: Likewise.
        * a-dirval.ads: Likewise.
        * a-dynpri.adb: Likewise.
        * a-einuoc.adb: Likewise.
        * a-einuoc.ads: Likewise.
        * a-elchha.adb: Likewise.
        * a-elchha.ads: Likewise.
        * a-envvar.adb: Likewise.
        * a-excach.adb: Likewise.
        * a-except-2005.adb: Likewise.
        * a-except-2005.ads: Likewise.
        * a-except.adb: Likewise.
        * a-except.ads: Likewise.
        * a-excpol-abort.adb: Likewise.
        * a-excpol.adb: Likewise.
        * a-exctra.adb: Likewise.
        * a-exctra.ads: Likewise.
        * a-exetim-mingw.adb: Likewise.
        * a-exetim-mingw.ads: Likewise.
        * a-exexda.adb: Likewise.
        * a-exexpr-gcc.adb: Likewise.
        * a-exexpr.adb: Likewise.
        * a-exextr.adb: Likewise.
        * a-exstat.adb: Likewise.
        * a-filico.adb: Likewise.
        * a-filico.ads: Likewise.
        * a-finali.adb: Likewise.
        * a-finali.ads: Likewise.
        * a-interr.ads: Likewise.
        * a-intnam-aix.ads: Likewise.
        * a-intnam-darwin.ads: Likewise.
        * a-intnam-dummy.ads: Likewise.
        * a-intnam-freebsd.ads: Likewise.
        * a-intnam-hpux.ads: Likewise.
        * a-intnam-irix.ads: Likewise.
        * a-intnam-linux.ads: Likewise.
        * a-intnam-lynxos.ads: Likewise.
        * a-intnam-mingw.ads: Likewise.
        * a-intnam-rtems.ads: Likewise.
        * a-intnam-solaris.ads: Likewise.
        * a-intnam-tru64.ads: Likewise.
        * a-intnam-vms.ads: Likewise.
        * a-intnam-vxworks.ads: Likewise.
        * a-intsig.adb: Likewise.
        * a-intsig.ads: Likewise.
        * a-ngcefu.adb: Likewise.
        * a-ngcoar.adb: Likewise.
        * a-ngcoty.adb: Likewise.
        * a-ngcoty.ads: Likewise.
        * a-ngelfu.adb: Likewise.
        * a-ngrear.adb: Likewise.
        * a-ngrear.ads: Likewise.
        * a-nudira.adb: Likewise.
        * a-nudira.ads: Likewise.
        * a-nuflra.adb: Likewise.
        * a-nuflra.ads: Likewise.
        * a-numaux-darwin.adb: Likewise.
        * a-numaux-darwin.ads: Likewise.
        * a-numaux-libc-x86.ads: Likewise.
        * a-numaux-vxworks.ads: Likewise.
        * a-numaux-x86.adb: Likewise.
        * a-numaux-x86.ads: Likewise.
        * a-numaux.ads: Likewise.
        * a-rbtgso.adb: Likewise.
        * a-rbtgso.ads: Likewise.
        * a-reatim.ads: Likewise.
        * a-retide.adb: Likewise.
        * a-retide.ads: Likewise.
        * a-rttiev.adb: Likewise.
        * a-rttiev.ads: Likewise.
        * a-secain.adb: Likewise.
        * a-secain.ads: Likewise.
        * a-sequio.adb: Likewise.
        * a-sequio.ads: Likewise.
        * a-shcain.adb: Likewise.
        * a-shcain.ads: Likewise.
        * a-siocst.adb: Likewise.
        * a-siocst.ads: Likewise.
        * a-slcain.adb: Likewise.
        * a-slcain.ads: Likewise.
        * a-ssicst.adb: Likewise.
        * a-ssicst.ads: Likewise.
        * a-stboha.adb: Likewise.
        * a-stmaco.ads: Likewise.
        * a-storio.adb: Likewise.
        * a-strbou.adb: Likewise.
        * a-strbou.ads: Likewise.
        * a-stream.ads: Likewise.
        * a-strfix.adb: Likewise.
        * a-strhas.adb: Likewise.
        * a-strmap.adb: Likewise.
        * a-strmap.ads: Likewise.
        * a-strsea.adb: Likewise.
        * a-strsea.ads: Likewise.
        * a-strsup.adb: Likewise.
        * a-strsup.ads: Likewise.
        * a-strunb.adb: Likewise.
        * a-strunb.ads: Likewise.
        * a-ststio.adb: Likewise.
        * a-ststio.ads: Likewise.
        * a-stunau.adb: Likewise.
        * a-stunau.ads: Likewise.
        * a-stunha.adb: Likewise.
        * a-stwibo.adb: Likewise.
        * a-stwibo.ads: Likewise.
        * a-stwifi.adb: Likewise.
        * a-stwiha.adb: Likewise.
        * a-stwima.adb: Likewise.
        * a-stwima.ads: Likewise.
        * a-stwise.adb: Likewise.
        * a-stwise.ads: Likewise.
        * a-stwisu.adb: Likewise.
        * a-stwisu.ads: Likewise.
        * a-stwiun.adb: Likewise.
        * a-stwiun.ads: Likewise.
        * a-stzbou.adb: Likewise.
        * a-stzbou.ads: Likewise.
        * a-stzfix.adb: Likewise.
        * a-stzhas.adb: Likewise.
        * a-stzmap.adb: Likewise.
        * a-stzmap.ads: Likewise.
        * a-stzsea.adb: Likewise.
        * a-stzsea.ads: Likewise.
        * a-stzsup.adb: Likewise.
        * a-stzsup.ads: Likewise.
        * a-stzunb.adb: Likewise.
        * a-stzunb.ads: Likewise.
        * a-suteio.adb: Likewise.
        * a-suteio.ads: Likewise.
        * a-swbwha.adb: Likewise.
        * a-swmwco.ads: Likewise.
        * a-swunau.adb: Likewise.
        * a-swunau.ads: Likewise.
        * a-swuwha.adb: Likewise.
        * a-swuwti.adb: Likewise.
        * a-swuwti.ads: Likewise.
        * a-sytaco.adb: Likewise.
        * a-sytaco.ads: Likewise.
        * a-szbzha.adb: Likewise.
        * a-szmzco.ads: Likewise.
        * a-szunau.adb: Likewise.
        * a-szunau.ads: Likewise.
        * a-szuzha.adb: Likewise.
        * a-szuzti.adb: Likewise.
        * a-szuzti.ads: Likewise.
        * a-tags.adb: Likewise.
        * a-tags.ads: Likewise.
        * a-tasatt.ads: Likewise.
        * a-taside.adb: Likewise.
        * a-taside.ads: Likewise.
        * a-taster.adb: Likewise.
        * a-teioed.adb: Likewise.
        * a-teioed.ads: Likewise.
        * a-textio.adb: Likewise.
        * a-textio.ads: Likewise.
        * a-tiboio.adb: Likewise.
        * a-ticoau.adb: Likewise.
        * a-ticoau.ads: Likewise.
        * a-ticoio.adb: Likewise.
        * a-ticoio.ads: Likewise.
        * a-tideau.adb: Likewise.
        * a-tideau.ads: Likewise.
        * a-tideio.adb: Likewise.
        * a-tideio.ads: Likewise.
        * a-tienau.adb: Likewise.
        * a-tienau.ads: Likewise.
        * a-tienio.adb: Likewise.
        * a-tienio.ads: Likewise.
        * a-tifiio.adb: Likewise.
        * a-tifiio.ads: Likewise.
        * a-tiflau.adb: Likewise.
        * a-tiflau.ads: Likewise.
        * a-tiflio.adb: Likewise.
        * a-tiflio.ads: Likewise.
        * a-tigeau.adb: Likewise.
        * a-tigeau.ads: Likewise.
        * a-tiinau.adb: Likewise.
        * a-tiinau.ads: Likewise.
        * a-tiinio.adb: Likewise.
        * a-tiinio.ads: Likewise.
        * a-timoau.adb: Likewise.
        * a-timoau.ads: Likewise.
        * a-timoio.adb: Likewise.
        * a-timoio.ads: Likewise.
        * a-tiocst.adb: Likewise.
        * a-tiocst.ads: Likewise.
        * a-titest.adb: Likewise.
        * a-wichun.adb: Likewise.
        * a-wichun.ads: Likewise.
        * a-witeio.adb: Likewise.
        * a-witeio.ads: Likewise.
        * a-wtcoau.adb: Likewise.
        * a-wtcoau.ads: Likewise.
        * a-wtcoio.adb: Likewise.
        * a-wtcstr.adb: Likewise.
        * a-wtcstr.ads: Likewise.
        * a-wtdeau.adb: Likewise.
        * a-wtdeau.ads: Likewise.
        * a-wtdeio.adb: Likewise.
        * a-wtdeio.ads: Likewise.
        * a-wtedit.adb: Likewise.
        * a-wtedit.ads: Likewise.
        * a-wtenau.adb: Likewise.
        * a-wtenau.ads: Likewise.
        * a-wtenio.adb: Likewise.
        * a-wtenio.ads: Likewise.
        * a-wtfiio.adb: Likewise.
        * a-wtfiio.ads: Likewise.
        * a-wtflau.adb: Likewise.
        * a-wtflau.ads: Likewise.
        * a-wtflio.adb: Likewise.
        * a-wtflio.ads: Likewise.
        * a-wtgeau.adb: Likewise.
        * a-wtgeau.ads: Likewise.
        * a-wtinau.adb: Likewise.
        * a-wtinau.ads: Likewise.
        * a-wtinio.adb: Likewise.
        * a-wtmoau.adb: Likewise.
        * a-wtmoau.ads: Likewise.
        * a-wtmoio.adb: Likewise.
        * a-wtmoio.ads: Likewise.
        * a-wttest.adb: Likewise.
        * a-wwboio.adb: Likewise.
        * a-zchuni.adb: Likewise.
        * a-zchuni.ads: Likewise.
        * a-ztcoau.adb: Likewise.
        * a-ztcoau.ads: Likewise.
        * a-ztcoio.adb: Likewise.
        * a-ztcstr.adb: Likewise.
        * a-ztcstr.ads: Likewise.
        * a-ztdeau.adb: Likewise.
        * a-ztdeau.ads: Likewise.
        * a-ztdeio.adb: Likewise.
        * a-ztdeio.ads: Likewise.
        * a-ztedit.adb: Likewise.
        * a-ztedit.ads: Likewise.
        * a-ztenau.adb: Likewise.
        * a-ztenau.ads: Likewise.
        * a-ztenio.adb: Likewise.
        * a-ztenio.ads: Likewise.
        * a-ztexio.adb: Likewise.
        * a-ztexio.ads: Likewise.
        * a-ztfiio.adb: Likewise.
        * a-ztfiio.ads: Likewise.
        * a-ztflau.adb: Likewise.
        * a-ztflau.ads: Likewise.
        * a-ztflio.adb: Likewise.
        * a-ztflio.ads: Likewise.
        * a-ztgeau.adb: Likewise.
        * a-ztgeau.ads: Likewise.
        * a-ztinau.adb: Likewise.
        * a-ztinau.ads: Likewise.
        * a-ztinio.adb: Likewise.
        * a-ztmoau.adb: Likewise.
        * a-ztmoau.ads: Likewise.
        * a-ztmoio.adb: Likewise.
        * a-ztmoio.ads: Likewise.
        * a-zttest.adb: Likewise.
        * a-zzboio.adb: Likewise.
        * adadecode.c: Likewise.
        * adaint.c: Likewise.
        * adaint.h: Likewise.
        * alloc.ads: Likewise.
        * argv.c: Likewise.
        * arit64.c: Likewise.
        * atree.adb: Likewise.
        * atree.ads: Likewise.
        * aux-io.c: Likewise.
        * cal.c: Likewise.
        * casing.adb: Likewise.
        * casing.ads: Likewise.
        * cio.c: Likewise.
        * csets.adb: Likewise.
        * csets.ads: Likewise.
        * cstreams.c: Likewise.
        * ctrl_c.c: Likewise.
        * debug.adb: Likewise.
        * debug.ads: Likewise.
        * dec.ads: Likewise.
        * einfo.adb: Likewise.
        * einfo.ads: Likewise.
        * elists.adb: Likewise.
        * elists.ads: Likewise.
        * env.c: Likewise.
        * env.h: Likewise.
        * errno.c: Likewise.
        * exit.c: Likewise.
        * fe.h: Likewise.
        * final.c: Likewise.
        * fname.adb: Likewise.
        * fname.ads: Likewise.
        * g-allein.ads: Likewise.
        * g-alleve.adb: Likewise.
        * g-alleve.ads: Likewise.
        * g-altcon.adb: Likewise.
        * g-altcon.ads: Likewise.
        * g-altive.ads: Likewise.
        * g-alveop.adb: Likewise.
        * g-alveop.ads: Likewise.
        * g-alvety.ads: Likewise.
        * g-alvevi.ads: Likewise.
        * g-arrspl.adb: Likewise.
        * g-arrspl.ads: Likewise.
        * g-calend.ads: Likewise.
        * g-comlin.adb: Likewise.
        * g-debpoo.adb: Likewise.
        * g-debpoo.ads: Likewise.
        * g-eacodu-vms.adb: Likewise.
        * g-eacodu.adb: Likewise.
        * g-excact.adb: Likewise.
        * g-excact.ads: Likewise.
        * g-locfil.adb: Likewise.
        * g-os_lib.ads: Likewise.
        * g-rannum.adb: Likewise.
        * g-rannum.ads: Likewise.
        * g-regist.adb: Likewise.
        * g-regist.ads: Likewise.
        * g-signal.adb: Likewise.
        * g-signal.ads: Likewise.
        * g-soccon.ads: Likewise.
        * g-string.adb: Likewise.
        * g-string.ads: Likewise.
        * g-strspl.ads: Likewise.
        * g-timsta.adb: Likewise.
        * g-timsta.ads: Likewise.
        * g-trasym-vms-alpha.adb: Likewise.
        * g-trasym-vms-ia64.adb: Likewise.
        * g-utf_32.adb: Likewise.
        * g-utf_32.ads: Likewise.
        * g-wistsp.ads: Likewise.
        * g-zstspl.ads: Likewise.
        * gmem.c: Likewise.
        * gnatvsn.adb: Likewise.
        * gnatvsn.ads: Likewise.
        * gsocket.h: Likewise.
        * hostparm.ads: Likewise.
        * i-c.adb: Likewise.
        * i-cexten.ads: Likewise.
        * i-cobol.adb: Likewise.
        * i-cobol.ads: Likewise.
        * i-cpoint.adb: Likewise.
        * i-cpoint.ads: Likewise.
        * i-cpp.adb: Likewise.
        * i-cpp.ads: Likewise.
        * i-cstrea-vms.adb: Likewise.
        * i-cstrea.adb: Likewise.
        * i-cstrea.ads: Likewise.
        * i-cstrin.adb: Likewise.
        * i-cstrin.ads: Likewise.
        * i-forbla-darwin.adb: Likewise.
        * i-forbla-unimplemented.ads: Likewise.
        * i-forbla.adb: Likewise.
        * i-forbla.ads: Likewise.
        * i-forlap.ads: Likewise.
        * i-fortra.adb: Likewise.
        * i-pacdec.adb: Likewise.
        * i-pacdec.ads: Likewise.
        * i-vxwoio.adb: Likewise.
        * i-vxwoio.ads: Likewise.
        * indepsw-aix.adb: Likewise.
        * indepsw-gnu.adb: Likewise.
        * indepsw-mingw.adb: Likewise.
        * indepsw.adb: Likewise.
        * indepsw.ads: Likewise.
        * init.c: Likewise.
        * initialize.c: Likewise.
        * interfac.ads: Likewise.
        * krunch.adb: Likewise.
        * krunch.ads: Likewise.
        * lib-list.adb: Likewise.
        * lib-sort.adb: Likewise.
        * lib.adb: Likewise.
        * lib.ads: Likewise.
        * link.c: Likewise.
        * math_lib.adb: Likewise.
        * memtrack.adb: Likewise.
        * mingw32.h: Likewise.
        * mkdir.c: Likewise.
        * namet-sp.adb: Likewise.
        * namet-sp.ads: Likewise.
        * namet.adb: Likewise.
        * namet.ads: Likewise.
        * nlists.adb: Likewise.
        * nlists.ads: Likewise.
        * opt.adb: Likewise.
        * opt.ads: Likewise.
        * output.adb: Likewise.
        * output.ads: Likewise.
        * raise-gcc.c: Likewise.
        * raise.c: Likewise.
        * raise.h: Likewise.
        * repinfo.adb: Likewise.
        * repinfo.ads: Likewise.
        * repinfo.h: Likewise.
        * rident.ads: Likewise.
        * s-addima.adb: Likewise.
        * s-addima.ads: Likewise.
        * s-addope.adb: Likewise.
        * s-addope.ads: Likewise.
        * s-arit64.adb: Likewise.
        * s-arit64.ads: Likewise.
        * s-assert.adb: Likewise.
        * s-assert.ads: Likewise.
        * s-asthan-vms-alpha.adb: Likewise.
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        * s-asthan.ads: Likewise.
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        * s-atacco.ads: Likewise.
        * s-auxdec-empty.adb: Likewise.
        * s-auxdec-empty.ads: Likewise.
        * s-auxdec-vms_64.ads: Likewise.
        * s-auxdec.adb: Likewise.
        * s-auxdec.ads: Likewise.
        * s-bitops.adb: Likewise.
        * s-bitops.ads: Likewise.
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        * s-carsi8.adb: Likewise.
        * s-carsi8.ads: Likewise.
        * s-carun8.adb: Likewise.
        * s-carun8.ads: Likewise.
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        * s-casi16.ads: Likewise.
        * s-casi32.adb: Likewise.
        * s-casi32.ads: Likewise.
        * s-casi64.adb: Likewise.
        * s-casi64.ads: Likewise.
        * s-casuti.ads: Likewise.
        * s-caun16.adb: Likewise.
        * s-caun16.ads: Likewise.
        * s-caun32.adb: Likewise.
        * s-caun32.ads: Likewise.
        * s-caun64.adb: Likewise.
        * s-caun64.ads: Likewise.
        * s-chepoo.ads: Likewise.
        * s-crc32.adb: Likewise.
        * s-crc32.ads: Likewise.
        * s-crtl.ads: Likewise.
        * s-direio.adb: Likewise.
        * s-direio.ads: Likewise.
        * s-dsaser.ads: Likewise.
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        * s-except.ads: Likewise.
        * s-exctab.adb: Likewise.
        * s-exctab.ads: Likewise.
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        * s-exnint.ads: Likewise.
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        * s-exnlli.adb: Likewise.
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        * s-expint.ads: Likewise.
        * s-explli.adb: Likewise.
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        * s-expllu.ads: Likewise.
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        * s-expuns.ads: Likewise.
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        * s-fatgen.ads: Likewise.
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        * s-ficobl.ads: Likewise.
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        * s-fileio.ads: Likewise.
        * s-filofl.ads: Likewise.
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        * s-finimp.ads: Likewise.
        * s-finroo.adb: Likewise.
        * s-finroo.ads: Likewise.
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        * s-fore.ads: Likewise.
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        * s-fvagfl.ads: Likewise.
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        * s-gecola.adb: Likewise.
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        * s-gerebl.ads: Likewise.
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        * s-gerela.ads: Likewise.
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        * s-gloloc.ads: Likewise.
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        * s-imenne.ads: Likewise.
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        * s-imgbiu.ads: Likewise.
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        * s-imgboo.ads: Likewise.
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        * s-imgcha.ads: Likewise.
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        * s-imgdec.ads: Likewise.
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        * s-imgenu.ads: Likewise.
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        * s-imglli.ads: Likewise.
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        * s-imgrea.ads: Likewise.
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        * s-imguns.ads: Likewise.
        * s-imgwch.adb: Likewise.
        * s-imgwch.ads: Likewise.
        * s-imgwiu.adb: Likewise.
        * s-imgwiu.ads: Likewise.
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        * s-inmaop-vms.adb: Likewise.
        * s-inmaop.ads: Likewise.
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        * s-interr-vms.adb: Likewise.
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        * s-interr.ads: Likewise.
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        * s-intman-posix.adb: Likewise.
        * s-intman-solaris.adb: Likewise.
        * s-intman-vms.adb: Likewise.
        * s-intman-vms.ads: Likewise.
        * s-intman-vxworks.adb: Likewise.
        * s-intman-vxworks.ads: Likewise.
        * s-intman.ads: Likewise.
        * s-io.adb: Likewise.
        * s-io.ads: Likewise.
        * s-linux-alpha.ads: Likewise.
        * s-linux-hppa.ads: Likewise.
        * s-linux.ads: Likewise.
        * s-maccod.ads: Likewise.
        * s-mantis.adb: Likewise.
        * s-mantis.ads: Likewise.
        * s-mastop-irix.adb: Likewise.
        * s-mastop.adb: Likewise.
        * s-mastop.ads: Likewise.
        * s-memcop.ads: Likewise.
        * s-memory-mingw.adb: Likewise.
        * s-memory.adb: Likewise.
        * s-memory.ads: Likewise.
        * s-os_lib.ads: Likewise.
        * s-oscons-tmplt.c: Likewise.
        * s-osinte-aix.adb: Likewise.
        * s-osinte-darwin.adb: Likewise.
        * s-osinte-freebsd.adb: Likewise.
        * s-osinte-irix.adb: Likewise.
        * s-osinte-lynxos-3.adb: Likewise.
        * s-osinte-rtems.ads: Likewise.
        * s-osinte-tru64.adb: Likewise.
        * s-osinte-vxworks-kernel.adb: Likewise.
        * s-osinte-vxworks.adb: Likewise.
        * s-osprim-mingw.adb: Likewise.
        * s-osprim-posix.adb: Likewise.
        * s-osprim-solaris.adb: Likewise.
        * s-osprim-unix.adb: Likewise.
        * s-osprim-vms.adb: Likewise.
        * s-osprim-vms.ads: Likewise.
        * s-osprim-vxworks.adb: Likewise.
        * s-osprim.ads: Likewise.
        * s-pack03.adb: Likewise.
        * s-pack03.ads: Likewise.
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        * s-pack05.ads: Likewise.
        * s-pack06.adb: Likewise.
        * s-pack06.ads: Likewise.
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        * s-pack07.ads: Likewise.
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        * s-pack09.ads: Likewise.
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        * s-pack10.ads: Likewise.
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        * s-pack11.ads: Likewise.
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        * s-pack12.ads: Likewise.
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        * s-pack13.ads: Likewise.
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        * s-pack14.ads: Likewise.
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        * s-pack15.ads: Likewise.
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        * s-pack17.ads: Likewise.
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        * s-pack18.ads: Likewise.
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        * s-pack19.ads: Likewise.
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        * s-pack21.ads: Likewise.
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        * s-pack22.ads: Likewise.
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        * s-pack23.ads: Likewise.
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        * s-pack24.ads: Likewise.
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        * s-pack25.ads: Likewise.
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        * s-pack26.ads: Likewise.
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        * s-pack27.ads: Likewise.
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        * s-pack28.ads: Likewise.
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        * s-pack29.ads: Likewise.
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        * s-pack30.ads: Likewise.
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        * s-pack31.ads: Likewise.
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        * s-pack33.ads: Likewise.
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        * s-pack37.ads: Likewise.
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        * s-pack38.ads: Likewise.
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        * s-pack39.ads: Likewise.
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        * s-pack40.ads: Likewise.
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        * s-pack41.ads: Likewise.
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        * s-pack42.ads: Likewise.
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        * s-pack43.ads: Likewise.
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        * s-pack44.ads: Likewise.
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        * s-pack45.ads: Likewise.
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        * s-pack47.ads: Likewise.
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        * s-pack48.ads: Likewise.
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        * s-pack50.ads: Likewise.
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        * s-pack51.ads: Likewise.
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        * s-pack54.ads: Likewise.
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        * s-pack56.ads: Likewise.
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        * s-pack57.ads: Likewise.
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        * s-pack58.ads: Likewise.
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        * s-pack59.ads: Likewise.
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        * s-pack60.ads: Likewise.
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        * s-pack61.ads: Likewise.
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        * s-pack62.ads: Likewise.
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        * s-pack63.ads: Likewise.
        * s-parame-ae653.ads: Likewise.
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        * s-parame-vms-restrict.ads: Likewise.
        * s-parame-vxworks.adb: Likewise.
        * s-parame-vxworks.ads: Likewise.
        * s-parame.adb: Likewise.
        * s-parame.ads: Likewise.
        * s-parint.adb: Likewise.
        * s-parint.ads: Likewise.
        * s-pooglo.adb: Likewise.
        * s-pooglo.ads: Likewise.
        * s-pooloc.adb: Likewise.
        * s-pooloc.ads: Likewise.
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        * s-poosiz.ads: Likewise.
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        * s-proinf.ads: Likewise.
        * s-purexc.ads: Likewise.
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        * s-rannum.ads: Likewise.
        * s-restri.adb: Likewise.
        * s-restri.ads: Likewise.
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        * s-rpc.ads: Likewise.
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        * s-scaval.ads: Likewise.
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        * s-secsta.ads: Likewise.
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        * s-sequio.ads: Likewise.
        * s-shasto.adb: Likewise.
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        * s-soflin.ads: Likewise.
        * s-solita.adb: Likewise.
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        * s-stache.ads: Likewise.
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        * s-stalib.ads: Likewise.
        * s-stausa.adb: Likewise.
        * s-stausa.ads: Likewise.
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        * s-stchop.ads: Likewise.
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        * s-stoele.ads: Likewise.
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        * s-stopoo.ads: Likewise.
        * s-stratt.adb: Likewise.
        * s-stratt.ads: Likewise.
        * s-strcom.adb: Likewise.
        * s-strcom.ads: Likewise.
        * s-string.adb: Likewise.
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        * s-strops.ads: Likewise.
        * s-strxdr.adb: Likewise.
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        * s-ststop.ads: Likewise.
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        * s-taasde.ads: Likewise.
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        * s-tadeca.ads: Likewise.
        * s-tadert.adb: Likewise.
        * s-tadert.ads: Likewise.
        * s-taenca.adb: Likewise.
        * s-taenca.ads: Likewise.
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        * s-taprop.ads: Likewise.
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        * s-tarest.ads: Likewise.
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        * s-tasdeb.ads: Likewise.
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        * s-tasinf-linux.ads: Likewise.
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        * s-tasinf-mingw.ads: Likewise.
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        * s-tasinf-solaris.ads: Likewise.
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        * s-tasinf.ads: Likewise.
        * s-tasini.adb: Likewise.
        * s-tasini.ads: Likewise.
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        * s-taskin.ads: Likewise.
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        * s-taspri-mingw.ads: Likewise.
        * s-taspri-solaris.ads: Likewise.
        * s-taspri-tru64.ads: Likewise.
        * s-taspri-vms.ads: Likewise.
        * s-taspri-vxworks.ads: Likewise.
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        * s-tasque.ads: Likewise.
        * s-tasren.adb: Likewise.
        * s-tasren.ads: Likewise.
        * s-tasres.ads: Likewise.
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        * s-tassta.ads: Likewise.
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        * s-tasuti.ads: Likewise.
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        * s-tfsetr-vxworks.adb: Likewise.
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        * s-tpinop.ads: Likewise.
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        * s-tpoben.ads: Likewise.
        * s-tpobop.adb: Likewise.
        * s-tpobop.ads: Likewise.
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        * s-tpopde-vms.ads: Likewise.
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        * s-tposen.ads: Likewise.
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        * s-traceb.ads: Likewise.
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        * s-traces.adb: Likewise.
        * s-traces.ads: Likewise.
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        * s-traent-vms.ads: Likewise.
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        * s-traent.ads: Likewise.
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        * s-tratas.ads: Likewise.
        * s-unstyp.ads: Likewise.
        * s-utf_32.adb: Likewise.
        * s-utf_32.ads: Likewise.
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        * s-vaflop.ads: Likewise.
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        * s-valboo.ads: Likewise.
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        * s-valcha.ads: Likewise.
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        * s-valdec.ads: Likewise.
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        * s-valuti.ads: Likewise.
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        * s-valwch.ads: Likewise.
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        * s-veboop.ads: Likewise.
        * s-vector.ads: Likewise.
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        * s-vercon.ads: Likewise.
        * s-vmexta.adb: Likewise.
        * s-vmexta.ads: Likewise.
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        * s-vxwext-rtp.ads: Likewise.
        * s-vxwext.ads: Likewise.
        * s-vxwork-arm.ads: Likewise.
        * s-vxwork-m68k.ads: Likewise.
        * s-vxwork-mips.ads: Likewise.
        * s-vxwork-ppc.ads: Likewise.
        * s-vxwork-sparcv9.ads: Likewise.
        * s-vxwork-x86.ads: Likewise.
        * s-wchcnv.adb: Likewise.
        * s-wchcnv.ads: Likewise.
        * s-wchcon.adb: Likewise.
        * s-wchcon.ads: Likewise.
        * s-wchjis.adb: Likewise.
        * s-wchjis.ads: Likewise.
        * s-wchstw.adb: Likewise.
        * s-wchstw.ads: Likewise.
        * s-wchwts.adb: Likewise.
        * s-wchwts.ads: Likewise.
        * s-widboo.adb: Likewise.
        * s-widboo.ads: Likewise.
        * s-widcha.adb: Likewise.
        * s-widcha.ads: Likewise.
        * s-widenu.adb: Likewise.
        * s-widenu.ads: Likewise.
        * s-widlli.adb: Likewise.
        * s-widlli.ads: Likewise.
        * s-widllu.adb: Likewise.
        * s-widllu.ads: Likewise.
        * s-widwch.adb: Likewise.
        * s-widwch.ads: Likewise.
        * s-win32.ads: Likewise.
        * s-winext.ads: Likewise.
        * s-wwdcha.adb: Likewise.
        * s-wwdcha.ads: Likewise.
        * s-wwdenu.adb: Likewise.
        * s-wwdenu.ads: Likewise.
        * s-wwdwch.adb: Likewise.
        * s-wwdwch.ads: Likewise.
        * scans.adb: Likewise.
        * scans.ads: Likewise.
        * seh_init.c: Likewise.
        * sfn_scan.adb: Likewise.
        * sinfo.adb: Likewise.
        * sinfo.ads: Likewise.
        * sinput.adb: Likewise.
        * sinput.ads: Likewise.
        * snames.adb: Likewise.
        * snames.ads: Likewise.
        * socket.c: Likewise.
        * stand.adb: Likewise.
        * stand.ads: Likewise.
        * stringt.adb: Likewise.
        * stringt.ads: Likewise.
        * sysdep.c: Likewise.
        * system-aix.ads: Likewise.
        * system-darwin-ppc.ads: Likewise.
        * system-darwin-x86.ads: Likewise.
        * system-darwin-x86_64.ads: Likewise.
        * system-freebsd-x86.ads: Likewise.
        * system-hpux-ia64.ads: Likewise.
        * system-hpux.ads: Likewise.
        * system-irix-n32.ads: Likewise.
        * system-irix-n64.ads: Likewise.
        * system-irix-o32.ads: Likewise.
        * system-linux-alpha.ads: Likewise.
        * system-linux-hppa.ads: Likewise.
        * system-linux-ia64.ads: Likewise.
        * system-linux-mips.ads: Likewise.
        * system-linux-mipsel.ads: Likewise.
        * system-linux-ppc.ads: Likewise.
        * system-linux-ppc64.ads: Likewise.
        * system-linux-s390.ads: Likewise.
        * system-linux-s390x.ads: Likewise.
        * system-linux-sh4.ads: Likewise.
        * system-linux-sparc.ads: Likewise.
        * system-linux-sparcv9.ads: Likewise.
        * system-linux-x86.ads: Likewise.
        * system-linux-x86_64.ads: Likewise.
        * system-lynxos-ppc.ads: Likewise.
        * system-lynxos-x86.ads: Likewise.
        * system-mingw-x86_64.ads: Likewise.
        * system-mingw.ads: Likewise.
        * system-rtems.ads: Likewise.
        * system-solaris-sparc.ads: Likewise.
        * system-solaris-sparcv9.ads: Likewise.
        * system-solaris-x86.ads: Likewise.
        * system-solaris-x86_64.ads: Likewise.
        * system-tru64.ads: Likewise.
        * system-vms-ia64.ads: Likewise.
        * system-vms-zcx.ads: Likewise.
        * system-vms.ads: Likewise.
        * system-vms_64.ads: Likewise.
        * system-vxworks-arm.ads: Likewise.
        * system-vxworks-m68k.ads: Likewise.
        * system-vxworks-mips.ads: Likewise.
        * system-vxworks-ppc.ads: Likewise.
        * system-vxworks-sparcv9.ads: Likewise.
        * system-vxworks-x86.ads: Likewise.
        * system.ads: Likewise.
        * table.adb: Likewise.
        * table.ads: Likewise.
        * targext.c: Likewise.
        * targparm.ads: Likewise.
        * tree_in.adb: Likewise.
        * tree_in.ads: Likewise.
        * tree_io.adb: Likewise.
        * tree_io.ads: Likewise.
        * types.adb: Likewise.
        * types.ads: Likewise.
        * uintp.adb: Likewise.
        * uintp.ads: Likewise.
        * uname.adb: Likewise.
        * uname.ads: Likewise.
        * urealp.adb: Likewise.
        * urealp.ads: Likewise.
        * vx_stack_info.c: Likewise.
        * widechar.adb: Likewise.
        * widechar.ads: Likewise.
        * exp_attr.adb: Change copyright header to refer to version
        3 of the GNU General Public License and to point readers at the
        COPYING3 file and the FSF's license web page.
        * sem.adb: Likewise.
        * sem_attr.ads: Likewise.
        * freeze.adb: Likewise.
        * freeze.ads: Likewise.
        * errout.ads: Likewise.
        * erroutc.adb: Likewise.
        * exp_ch11.ads: Likewise.

2009-04-09  Jakub Jelinek  <jakub@redhat.com>

        * config-lang.in: Change copyright header to refer to version
        3 of the GNU General Public License and to point readers at the
        COPYING3 file and the FSF's license web page.
        * gcc-interface/trans.c: Likewise.
        * gnathtml.pl: Likewise.
        * gcc-interface/ada.h: Likewise.  Remove runtime exception.
        * gcc-interface/gigi.h: Likewise.
        * gcc-interface/misc.c: Likewise.
        * gcc-interface/targtyps.c: Likewise.

2009-04-09  Nicolas Setton  <setton@adacore.com>

        * s-osinte-darwin.ads: Fix wrong binding to struc timeval.

        * s-osinte-darwin.adb (To_Timeval): Adapt to fixed implementation of
        struct_timeval.

2009-04-09  Bob Duff  <duff@adacore.com>

        * exp_ch5.adb, exp_ch9.adb: Correct miscellaneous Slocs in
        internally-generated nodes related to select statements to avoid
        confusing the debugger.

2009-04-09  Pascal Obry  <obry@adacore.com>

        * make.adb: Ensure that all linker arguments are duplicated.

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * sem_ch5.adb: Minor reformatting

2009-04-09  Vincent Celier  <celier@adacore.com>

        * vms_data.ads:
        Change GNAT CHECK qualifier /DIAGNOSIS_LIMIT to /DIAGNOSTIC_LIMIT
        New qualifier /LEXPAND_SOURCE=nnn for -gnatGnnn
        New qualifier /LXDEBUG=nnn for -gnatDnnn
        For H820-010

        * gnat_ugn.texi:
        Update documentation for VMS qualifiers equivalent to -gnatGnn and
        -gnatDnn

2009-04-09  Nicolas Setton  <setton@adacore.com>

        * s-osinte-darwin.ads: (Pad_Type): Make this an array of unsigned_long,
        to match layout of siginfo_t in sys/signal.h.

        * gcc-interface/Makefile.in: Add section for x86_64 darwin.

2009-04-09  Thomas Quinot  <quinot@adacore.com>

        * g-socket.ads: (Fd_Set): Use Interfaces.C.long alignment.

2009-04-09  Nicolas Setton  <setton@adacore.com>

        * s-oscons-tmplt.c: Allow long lines in the generated spec.
        Add generation of Darwin-specific constants needed when binding to the
        pthread library.

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * checks.adb:
        (Insert_Valid_Check): Avoid unnecessary generation of junk declaration
        when no invalid values exist, Avoid duplicate read of atomic variable.

        * cstand.adb (Build_Signed_Integer_Type): Set Is_Known_Valid
        (Standard_Unsigned): Set Is_Known_Valid

        * sem_ch3.adb (Analyze_Subtype_Declaration): Copy Is_Known_Valid on
        subtype declaration if no constraint.
        (Set_Modular_Size): Set Is_Known_Valid if appropriate
        (Build_Derived_Numeric_Type): Copy Is_Known_Valid if no constraint

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * switch-c.adb, gnat_ugn.texi, vms_data.ads, switch.adb,
        switch.ads: for numeric switches, an optional equal sign is always
        allowed.

2009-04-09  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb (Get_Unit): Do not consider Casing on platform where
        the case of file names is not significant.

2009-04-09  Vincent Celier  <celier@adacore.com>

        * errout.adb: Remove dependency on package Style

        * style.ads, styleg.adb, styleg.ads (RM_Column_Check): Remove function,
        moved to Stylesw.
        
        * stylesw.ads, stylesw.adb (RM_Column_Check): New function, moved from
        Styleg.

        * errutil.adb, par.adb: Import Stylesw

2009-04-09  Arnaud Charlet  <charlet@adacore.com>

        * opt.ads: Fix typos.

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * einfo.adb: Minor reformatting

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * gcc-interface/Make-lang.in, style.ads, style.adb: Reorganize style
        units.

        * styleg-c.ads, styleg-c.adb: Removed, no longer used.

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * g-comver.adb: Minor reformatting.

2009-04-09  Thomas Quinot  <quinot@adacore.com>

        * lib-load.ads (Load_Unit): Update documentation.

2009-04-09  Ed Schonberg  <schonberg@adacore.com>

        * lib-load.adb (Load_Unit): When loading the parent of a child unit
        named in a with_clause, retain the with_clause to preserve a
        limited_with indication.

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * sem_ch7.adb, sem_ch10.adb, sem_prag.adb, sem_ch12.adb, sem_util.adb,
        exp_ch13.adb, sem_ch6.adb, exp_disp.adb, sem_ch8.adb, sem_warn.adb,
        sem_cat.adb: Code clean up: use Is_Package_Or_Generic_Package where
        possible to replace an OR of two separate tests.

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * binderr.adb, errout.adb, errutil.adb: New circuitry for handling
        Maximum_Messages.
        
        * erroutc.adb, erroutc.ads (Warnings_Suppressed): Now tests global
        warning status as well.
        
        * opt.ads (Maximum_Messages): New name for Maximum_Errors.
        
        * switch-b.adb, switch-c.adb: Change name Maximum_Errors to
        Maximum_Messages.
        
        * bindusg.adb, usage.adb: Update line for -gnatm switch

        * gnat_ugn.texi: Update documentation for -gnatmnn compiler switch and
        -mnn binder switch.

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * sem_ch10.adb: Minor reformatting.

2009-04-09  Bob Duff  <duff@adacore.com>

        * exp_ch11.adb (Expand_Exception_Handlers, Prepend_Call_To_Handler):
        Set Sloc of generated nodes for calls to Undefer_Aborts and
        Save_Occurrence to No_Location, so the debugger ignores them and
        therefore does not jump back and forth when single stepping.

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * switch-b.adb: Minor reformatting.

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * sem_aggr.adb, exp_ch5.adb, sem_ch3.adb, exp_atag.adb, layout.adb,
        sem_dist.adb, exp_ch7.adb, sem_ch5.adb, sem_type.adb, exp_imgv.adb,
        exp_util.adb, sem_aux.adb, sem_aux.ads, exp_attr.adb, exp_ch9.adb,
        sem_ch7.adb, inline.adb, fe.h, sem_ch9.adb, exp_code.adb, einfo.adb,
        einfo.ads, exp_pakd.adb, checks.adb, sem_ch12.adb, exp_smem.adb,
        tbuild.adb, freeze.adb, sem_util.adb, sem_res.adb, sem_attr.adb,
        exp_dbug.adb, sem_case.adb, exp_tss.adb, exp_ch4.adb, exp_ch6.adb,
        sem_smem.adb, sem_ch4.adb, sem_mech.adb, sem_ch6.adb, exp_disp.adb,
        sem_ch8.adb, exp_aggr.adb, sem_eval.adb, sem_cat.adb, exp_dist.adb,
        sem_ch13.adb, exp_strm.adb, lib-xref.adb, sem_disp.adb, exp_ch3.adb:
        Reorganize einfo/sem_aux, moving routines from einfo to sem_aux

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * exp_util.adb (Silly_Boolean_Array_Xor_Test): Simplify existing code.

        * atree.h: Add Elist26

        * gnat_ugn.texi: Complete documentation deprecating -gnatN for non-gcc
        backends.

2009-04-09  Javier Miranda  <miranda@adacore.com>

        * exp_disp.adb (Export_DT): Addition of a new argument (Index); used to
        retrieve from the Dispatch_Table_Wrappers list the external name.
        Addition of documentation.
        (Make_Secondary_DT): Addition of a new argument (Suffix_Index) that is
        used to export secondary dispatch tables (in the previous version of
        the frontend only primary dispatch tables were exported). Addition of
        documentation.
        (Import_DT): New subprogram (internal of Make_Tags). Used to import a
        dispatch table of a given tagged type. 
        (Make_Tags): Modified to import secondary dispatch tables.

        * sem_ch3.adb (Analyze_Object_Declaration): Code cleanup.
        (Constant_Redeclaration): Code cleanup.

        * einfo.ads (Dispatch_Table_Wrapper): Renamed to
        Dispatch_Table_Wrappers.  Update documentation.

        * einfo.adb (Dispatch_Table_Wrapper, Set_Dispatch_Table_Wrapper):
        Renamed to Dispatch_Table_Wrappers.

        * sem_util.adb (Collect_Interface_Components): Improve handling of
        private types.

        * atree.ads (Elist26, Set_Elist26): New subprograms

        * atree.adb (Elist26, Set_Elist26): New subprograms

2009-04-09  Javier Miranda  <miranda@adacore.com>

        * sem_ch3.adb (Build_Derived_Record_Type): Fix typo.
        (Derive_Progenitor_Subprograms): Handle interfaces in subtypes of
        tagged types.

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * s-direio.adb: Minor reformatting

        * exp_ch4.adb (Expand_Concatenate): Avoid overflow checks for String

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * exp_ch4.adb (Expand_Concatenate): Improve handling of overflow cases

2009-04-09  Pascal Obry  <obry@adacore.com>

        * a-cihama.adb, a-cihama.ads, a-coinve.adb, a-coinve.ads,
        s-tpoben.adb, s-tpoben.ads, s-finimp.adb, s-finimp.ads,
        a-convec.adb, a-convec.ads, a-finali.adb, a-finali.ads,
        a-filico.ads: Add some missing overriding keywords.

2009-04-09  Pascal Obry  <obry@adacore.com>

        * a-cihama.adb, a-cihama.ads, a-coinve.adb, a-coorma.ads, a-cihase.adb,
        a-cihase.ads, a-cohama.adb, a-cohama.ads, a-coorse.adb, a-coorse.ads,
        a-coormu.adb, a-coormu.ads, a-cohase.adb, a-cohase.ads: Minor
        reformatting.

2009-04-09  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch6.adb (Check_Overriding_Indicator): Do not generate warning on
        missing overriding indicator if the new declaration is not seen as
        primitive.

2009-04-09  Thomas Quinot  <quinot@adacore.com>

        * exp_ch4.adb (Expand_Concatenate): Add circuitry to properly handle
        overflows in computation of bounds.

2009-04-09  Pascal Obry  <obry@adacore.com>

        * a-cihama.adb, a-cgcaso.adb, a-cihase.adb, a-cohase.adb: Fix some
        typos in comment.

2009-04-09  Robert Dewar  <dewar@adacore.com>

        * sem_attr.adb (Check_Stream_Attribute): Check violation of
        restriction No_Streams

        * gnat_rm.texi: Clarify No_Streams restriction

        * g-socket.adb: Minor reformatting.

2009-04-09  Thomas Quinot  <quinot@adacore.com>

        * g-socket.ads: Mark Initialize and Finalize as obsolesent interfaces.

2009-04-09  Geert Bosch  <bosch@adacore.com>

        * exp_fixd.adb (Build_Conversion): Accept new optional Trunc argument.
        (Set_Result): Likewise.
        (Expand_Convert_Float_To_Fixed): Have Set_Result truncate the
        conversion, as required by RM 4.6(31).

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * checks.adb (Enable_Overflow_Check): Do not enable if overflow checks
        suppressed.
        
        * exp_ch4.adb (Expand_Concatenate): Make sure checks are off for all
        resolution steps.

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * sem_ch12.adb (Analyze_Package_Instantiation): Remove test for
        No_Local_Allocators restriction preventing local instantiation.

2009-04-08  Thomas Quinot  <quinot@adacore.com>

        * sem_eval.adb: Minor comment fix

2009-04-08  Thomas Quinot  <quinot@adacore.com>

        * g-socket.adb, g-socket.ads (GNAT.Sockets.Sockets_Library_Controller):
        New limited controlled type used to automate the initialization and
        finalization of the sockets implementation.
        (GNAT.Sockets.Initialize, Finalize): Make these no-ops

2009-04-08  Vincent Celier  <celier@adacore.com>

        * prj-attr.adb: New read-only project-level attribute Project_Dir

        * prj-proc.adb (Add_Attributes): New parameter Project_Dir, value of
        read-only attribute of the same name.
        (Process_Declarative_Items): Call Add_Attributes with Project_Dir
        (Recursive_Process): Ditto

        * snames.adb: Add new standard name Project_Dir

        * snames.ads: Add new standard name Project_Dir

2009-04-08  Thomas Quinot  <quinot@adacore.com>

        * checks.adb: Minor reformatting

2009-04-08  Vincent Celier  <celier@adacore.com>

        * vms_data.ads: Add documentation for new style keyword
        OVERRIDING_INDICATORS

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * sem_ch3.adb (Check_Completion.Post_Error): Post error on spec if the
        spec is in the current unit.

2009-04-08  Ed Schonberg  <schonberg@adacore.com>

        * sem_util.adb (Is_Protected_Self_Reference): Add guard to check for
        presence of entity.

        * usage.adb, gnat_ugn.texi: add info on -gnatyO: overriding indicators

2009-04-08  Vincent Celier  <celier@adacore.com>

        * vms_data.ads: Add VMS equivalent for -gnatyO (OVERRIDING_INDICATORS)

2009-04-08  Thomas Quinot  <quinot@adacore.com>

        * checks.ads: Minor reformatting

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * gnat_rm.texi: Update documentation of pragma Obsolescent
        
        * sem_prag.adb (Analyze_Pragma, case Obsolescent): Allow identifiers to
        be omitted, and allow Entity parameter to be omitted.

2009-04-08  Thomas Quinot  <quinot@adacore.com>

        * exp_util.adb: Minor comment fix

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * g-socket.ads: Fix bad syntax in pragma Obsolescent

        * par-ch2.adb (Scan_Pragma_Argument_Association): Check for error of
        argument with no identifier following one that has an identifier. Was
        missed in some cases.

        * sem_prag.adb (Analyze_Pragma, case Check_Policy): Allow Policy
        identifier.
        (Analyze_Pragma, case Obsolescent): Allow Message, Version identifiers

        * snames.adb: Add Name_Policy

        * snames.ads: Add Name_Policy

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * gnat_rm.texi: Minor reformatting

        * par-ch2.adb: Minor reformatting

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * exp_attr.adb, sem_attr.adb, sem_util.adb: Code clean up.

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * sem_cat.adb (Check_Categorization_Dependencies): Handle Preelaborate
        properly in the presence of Remote_Types or Remote_Call_Interface.

        * sem_util.adb: Add comment.

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * ug_words: Add /ASSUME_VALID for -gnatB

        * vms_data.ads: Add /ASSUME_VALID for -gnatB

        * sem_cat.adb: Add clarifying commment

        * a-direio.ads (Bytes): Make sure value is non-zero

2009-04-08  Ed Schonberg  <schonberg@adacore.com>

        * sem_util.adb (Is_Variable): If the prefix is an explicit dereference
        that does not come from source, check for a rewritten function call in
        prefixed notation before other forms of rewriting.

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * Makefile.rtl: Remove s-strops and s-sopco? from the run time, since
        these are now obsolescent units used only for bootrapping with an
        older compiler.

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * gnat_rm.texi: Add documentation for pragma Thread_Local_Storage

        * sem_ch3.adb: Minor comment updates

2009-04-08  Ed Schonberg  <schonberg@adacore.com>

        * inline.adb (Back_End_Cannot_Inline): restrict warning to subprograms
        that come from source.

2009-04-08  Tristan Gingold  <gingold@adacore.com>

        * gcc-interface/gigi.h (enum attr_type): Add ATTR_THREAD_LOCAL_STORAGE.
        * gcc-interface/decl.c (prepend_attributes): New case
        Pragma_Thread_Local_Storage.
        * gcc-interface/utils.c (process_attributes): New case
        ATTR_THREAD_LOCAL_STORAGE.

2009-04-08  Ed Schonberg  <schonberg@adacore.com>

        * inline.adb (Back_End_Cannot_Inline): Do not mark a body as inlineable
        by the back-end if it contains a call to a subprogram without a
        previous spec that is declared in the same unit.

        * errout.ads: Update comments on uses of dirs

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * exp_ch4.adb (Expand_Concatenate): Make sure nodes are properly typed

2009-04-08  Tristan Gingold  <gingold@adacore.com>

        * sem_prag.adb: Restrict pragma Thread_Local_Storage to library level
        variables.
        Set Has_Gigi_Rep_Item flag to TLS variables (to ease gigi work).

2009-04-08  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb:
        (Add_Source): Add the mapping of the unit name to source file name in
        the Unit_Sources_HT hash table, if the unit name is not null.

        * prj.adb (Reset): Reset hash table Tree.Unit_Sources_HT

        * prj.ads (Unit_Sources_Htable): New hash table instantiation
        (Project_Tree_Data): New component Unit_Sources_HT

2009-04-08  Thomas Quinot  <quinot@adacore.com>

        * sem_ch8.adb: Minor reformatting.
        Minor code reorganization.

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * snames.h, einfo.adb, einfo.ads, sem_prag.adb, snames.adb,
        snames.ads, freeze.adb, par-prag.adb: Add implementation of
        pragma Thread_Local_Storage, setting new flag
        Has_Pragma_Thread_Local_Storage in corresponding entities.

2009-04-08  Emmanuel Briot  <briot@adacore.com>

        * prj.ads: Update comment on switches file

        * prj-nmsc.adb: Code clean up. Use renaming clauses.

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * exp_ch4.adb (Expand_Concatenate): Further fixes to bounds handling

2009-04-08  Thomas Quinot  <quinot@adacore.com>

        * ali-util.adb: Minor comment fix

2009-04-08  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Analyze_Use_Type): Improve error message when clause
        appears in a context clause, and the enclosing package is mentioned in
        a limited_with_clause.
        (Use_One_Type): Reject clause if type is still incomplete.

2009-04-08  Emmanuel Briot  <briot@adacore.com>

        * prj-nmsc.adb (Check_File, Process_Sources_In_Multi_Language_Mode):
        avoid copies of Source_Data variables when possible, since these
        involve calls to memcpy() which are done too many times.

2009-04-08  Robert Dewar  <dewar@adacore.com>

        * exp_ch4.adb (Expand_Concatenate): Clean up code

2009-04-07  Thomas Quinot  <quinot@adacore.com>

        * exp_ch4.adb (Expand_Concatenate): Add missing conversion to index
        type for the case of concatenating a constrained array indexed by an
        enumeration type.

2009-04-07  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch6.adb (Check_Conformance): when checking conformance of an
        operation that overrides an abstract operation inherited from an
        interface, return False if only one of the controlling formals is an
        access parameter.

2009-04-07  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Analyze_Object_Renaming): additional error messages
        mandated by AI05-105.

2009-04-07  Vincent Celier  <celier@adacore.com>

        * prj-nmsc.adb (Get_Mains): Warn if a main is an empty string

2009-04-07  Thomas Quinot  <quinot@adacore.com>

        * usage.adb: Minor fix in usage message.

        * sem_ch10.adb (Remove_Homonyms): Fix subtype of formal in body to
        match declaration; the correct subtype is Node_Id, not Entity_Id,
        because the expected node kind is an identifier, not a defining
        identifier.

        * switch-c.adb: Minor reformatting.

        * uintp.adb: Minor reformatting.

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * exp_ch13.adb: Minor reformatting

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * sem_warn.adb (Check_Infinite_Loop_Warning.Test_Ref): Add defence
        against missing parent.

2009-04-07  Thomas Quinot  <quinot@adacore.com>

        * xoscons.adb: Minor reformatting

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * rtsfind.ads: Remove obsolete string concatenation entries

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * exp_ch4.adb (Expand_Concatenate): Redo handling of bounds

2009-04-07  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch10.adb (Check_Body_Required): Handle properly imported
        subprograms.

2009-04-07  Gary Dismukes  <dismukes@adacore.com>

        * exp_ch13.adb (Expand_N_Attribute_Definition_Clause, case
        Attribute_Address): When Init_Or_Norm_Scalars is True and the object
        is of a scalar or string type then suppress the setting of the
        expression to Empty.

        * freeze.adb (Warn_Overlay): Also emit the warnings about default
        initialization for the cases of scalar and string objects when
        Init_Or_Norm_Scalars is True.

2009-04-07  Bob Duff  <duff@adacore.com>

        * s-secsta.ads, g-pehage.ads, s-fileio.ads: Minor comment fixes

2009-04-07  Bob Duff  <duff@adacore.com>

        * gnat_rm.texi, s-fileio.adb (System.File_IO.Open): New feature: A
        Form parameter of Text_Translation=No allows binary mode for Text_IO
        files.

        * gnat_rm.texi: Document Form parameter Text_Translation=xxx.

2009-04-07  Javier Miranda  <miranda@adacore.com>

        * exp_ch5.adb (Expand_Assign_Array): Add implicit conversion when
        processing the bounds for bit packed arrays or VM target machines.

2009-04-07  Thomas Quinot  <quinot@adacore.com>

        * g-sothco.ads (Int_Access): Remove extraneous access type (use
        anonymous access instead).
        (Get_Socket_From_Set): Fix incorrectly reverted formals
        Last and Socket to match the underlying C routine.

        * g-socket.adb, g-socket.ads
        (Get): Use named parameter associations instead of positional ones in
        call go Get_Socket_From_Set, since this routine has two formals of the
        same type.
        (Image): New procedure.

        * g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.adb,
        g-socthi-vxworks.ads, g-socthi-mingw.ads, g-socthi.adb, g-socthi.ads:
        (C_Ioctl, Syscall_Ioctl): use "access C.int" instead of "Int_Access"
        for type of Arg formal.

        * sem_warn.adb: Minor reformatting

2009-04-07  Ed Schonberg  <schonberg@adacore.com>

        * sem_util.adb (Has_Tagged_Component): Fix typo in loop that iterates
        over record components.

2009-04-07  Nicolas Roche  <roche@adacore.com>

        * gsocket.h:
        Don't include resolvLib.h on VxWorks 6 (kernel and rtp). This library
        has disappeared between VxWorks 6.4 and VxWorks 6.5
        In RTP mode use time.h instead of times.h

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * exp_ch4.adb (Expand_N_Op_Concat): Improve lower bound handling

2009-04-07  Kevin Pouget  <pouget@adacore.com>

        * exp_dist.adb: Modify Build_From_Any_Fonction procedure to correct
        expanded code for constrained types.

2009-04-07  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch4.adb (Analyze_Overloaded_Selected_Component): implement
        AI05-105: in an object renaming declaration, anonymousness is a name
        resolution rule.

        * sem_ch8.adb (Analyze_Object_Renaming): Ditto.

2009-04-07  Arnaud Charlet  <charlet@adacore.com>

        * g-comlin.adb (Expansion): Fix old regression: also return directory
        names when matching.

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * exp_ch4.adb:
        (Expand_N_Op_Concat): Call Expand_Concatenate for all cases
        (Expand_Concatenate): New name for Expand_Concatenate_String which has
        been rewritten to handle all types.
        (Expand_Concatenate_Other): Remove

2009-04-07  Ed Schonberg  <schonberg@adacore.com>

        * lib-xref.adb (Generate_Reference): A default subprogram in an
        instance appears within the tree for the instance, but generates an
        implicit reference in the ALI.

2009-04-07  Javier Miranda  <miranda@adacore.com>

        * sem_ch3.adb (Build_Derived_Record_Type): When processing a tagged
        derived type that has discriminants, propagate the list of interfaces
        to the corresponding new base type. In addition, propagate also
        attribute Limited_Present (found working in this patch).

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * exp_ch4.adb: Rewrite concatenation expansion.

2009-04-07  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch8.adb (Restore_Scope_Stack): First_Private_Entity is only
        relevant to packages.

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * sem_attr.adb: Minor reformatting

        * sem_ch6.adb: Minor reformatting

2009-04-07  Tristan Gingold  <gingold@adacore.com>

        * socket.c: Add more protections against S_resolvLib_ macros.

2009-04-07  Thomas Quinot  <quinot@adacore.com>

        * sem_attr.adb: Minor reformatting

2009-04-07  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch6.adb (New_Overloaded_Entity): New predicate
        Is_Overriding_Alias to handle properly types that inherit two homonym
        operations that have distinct dispatch table entries.

2009-04-07  Emmanuel Briot  <briot@adacore.com>

        * s-regexp.adb (Create_Mapping): Ignore excaped open parenthesis when
        looking for the end of a parenthesis group

2009-04-07  Tristan Gingold  <gingold@adacore.com>

        * gsocket.h Don't #include resolvLib.h if __RTP__ is defined.

        * socket.c Don't use resolvLib_ macros if not defined.

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * g-socket.adb: Minor reformatting.

        * g-socthi-mingw.adb: Minor reformatting

        * g-sothco.ads: Minor reformatting

        * exp_ch4.adb:
        (Expand_Concatenate_String): Complete rewrite to generate efficient code
        inline instead of relying on external library routines.

        * s-strops.ads, s-sopco5.ads, s-sopco5.adb, s-sopco4.ads, s-sopco4.adb,
        s-sopco3.ads, s-sopco3.adb, s-strops.adb: Note that this unit is now
        obsolescent

2009-04-07  Ed Schonberg  <schonberg@adacore.com>

        * sem_attr.adb:
        (Eval_Attribute): for attributes of array objects that are not strings,
        attributes are not static if nominal subtype of object is unconstrained.

2009-04-07  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch6.adb (New_Overloaded_Entity): If two implicit homonym
        operations for a type T in an instance do not override each other,
        when T is derived from a formal private type, the corresponding
        operations inherited by a type derived from T outside
        of the instance do not override each other either.

2009-04-07  Robert Dewar  <dewar@adacore.com>

        (Osint.Fail): Change calling sequence to have one string arg
        (Make.Make_Failed): Same change
        All callers are adjusted to use concatenation

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * exp_ch4.adb: Fix documentation typo

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * tbuild.ads: Minor reformatting

2009-04-07  Javier Miranda  <miranda@adacore.com>

        * exp_disp.adb (Make_DT): Avoid the generation of the OSD_Table
        when compiling under ZFP runtime.

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * g-comlin.adb: Minor reformatting

2009-04-07  Thomas Quinot  <quinot@adacore.com>

        * socket.c, g-socthi-vms.adb, g-socthi-vms.ads, g-socthi-vxworks.adb,
        g-socthi-vxworks.ads, g-socthi-mingw.adb, g-socthi-mingw.ads,
        g-socthi.adb, g-socthi.ads, g-socket.adb, g-socket.ads, g-sothco.ads:
        Remove dynamic allocation of Fd_Set in Socket_Set_Type objects.

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * gnat_ugn.texi: Document -gnatDnn/-gnatGnn

        * opt.ads (Sprint_Line_Limit): New parameter
        
        * sprint.adb: Usa Sprint_Line_Limit instead of Line_Limit throughout
        
        * switch-c.adb: Recognize -gnatDnnn and -gnatGnnn switches
        
        * usage.adb: Output information for -gnatGnn -gnatDnn

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * make.adb: Minor reformatting

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * mlib-tgt-specific-vms-alpha.adb: Minor reformatting

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * mlib-tgt-specific-vms-ia64.adb: Minor reformatting

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * checks.adb:
        Remove Assume_Valid parameter from In_Subrange_Of calls
        
        * sem_eval.adb:
        (Is_Subrange_Of): Remove Assume_Valid parameter, not needed
        (Is_In_Range): Remove incorrect use of Assume_Valid
        (Is_Out_Of_Range): Remove incorrect use of Assume_Valid
        
        * sem_eval.ads:
        (Is_Subrange_Of): Remove Assume_Valid parameter, not needed
        (Is_In_Range): Documentation cleanup
        (Is_Out_Of_Range): Documentation cleanup

        * gnat_rm.texi:
        Add documentation for Assume_No_Invalid_Values pragma

        * sem_ch12.adb: Minor reformatting

        * sem_ch6.adb: (Check_Conformance): Avoid cascaded errors

        * sem_prag.adb: Improve error message.

        * gnatchop.adb, osint.ads, sinput.adb, sinput.ads, styleg.adb:
        LF/CR no longer recognized as line terminator

        * switch.ads: Minor documentation improvement

        * vms_data.ads: Minor reformatting

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * checks.adb (Determine_Range): Add Assume_Valid parameter
        
        * checks.ads (Determine_Range): Add Assume_Valid parameter
        
        * errout.adb (Error_Msg_NEL): Use Suppress_Loop_Warnings rather than
         Is_Null_Loop to suppress warnings in a loop body.
        
        * exp_ch4.adb:
        (Rewrite_Comparison): Major rewrite to accomodate invalid values
        
        * exp_ch5.adb:
        (Expand_N_Loop_Statement): Delete loop known not to execute
        
        * opt.ads:
        (Assume_No_Invalid_Values): Now set to False, and as documented, this
         fully enables the proper handling of invalid values.
        
        * sem_attr.adb:
        New calling sequence for Is_In_Range
        
        * sem_ch5.adb:
        (Analyze_Iteration_Scheme): Accomodate possible invalid values
         in determining if a loop range is null.
        
        * sem_eval.adb:
        (Is_In_Range): Add Assume_Valid parameter
        (Is_Out_Of_Range): Add Assume_Valid_Parameter
        (Compile_Time_Compare): Major rewrite to accomodate invalid values and
         also to do more accurate and complete range analysis, catching more
         cases.
        
        * sem_eval.ads:
        (Is_In_Range): Add Assume_Valid parameter
        (Is_Out_Of_Range): Add Assume_Valid_Parameter
        
        * sem_util.adb:
        New calling sequence for Is_In_Range
        
        * sinfo.adb:
        (Suppress_Loop_Warnings): New flag
        
        * sinfo.ads:
        (Is_Null_Loop): Update documentation
        (Suppress_Loop_Warnings): New flag
        
        * gnat_ugn.texi: Document -gnatB switch

2009-04-07  Arnaud Charlet  <charlet@adacore.com>

        * gnatvsn.ads: Bump version number.

2009-04-07  Thomas Quinot  <quinot@adacore.com>

        * exp_ch3.adb: Minor rewording (comments)

2009-04-07  Robert Dewar  <dewar@adacore.com>

        * exp_disp.adb: Minor reformatting

2009-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Test the
        underlying type.
        * gcc-interface/trans.c (lvalue_required_p): Likewise.

2009-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.c (Attribute_to_gnu) <Max_Size_In_Storage_Elmts>:
        Do not convert the result.  Remove obsolete comment.

2009-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.c (establish_gnat_vms_condition_handler): Clear
        DECL_CONTEXT.
        (Subprogram_Body_to_gnu): Fix pasto.

2009-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/gigi.h (standard_datatypes): Remove ADT_void_type_decl.
        (void_type_decl_node): Remove.
        (init_gigi_decls): Likewise.
        (gnat_install_builtins): Declare.
        (record_builtin_type): Likewise.
        (create_type_stub_decl): Likewise.
        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Void>: Use void_type.
        (gnat_to_gnu_entity) <E_Array_Type>: Make fat and thin pointer types
        artificial.
        <E_Array_Subtype>: Use the index types, not only their name, in the
        record giving the names of the bounds, if any.
        For a packed array type, make it artificial only if the base type
        was artificial as well.  Remove redundant statement.
        (gnat_to_gnu_entity) <E_Incomplete_Type>: Do not create TYPE_DECL for
        dummy types.
        Use create_type_stub_decl to build the TYPE_STUB_DECL of types.
        (rest_of_type_decl_compilation_no_defer): Likewise.
        * gcc-interface/misc.c (gnat_printable_name): Add missing guard.
        * gcc-interface/utils.c (make_dummy_type): Always create TYPE_STUB_DECL
        and use create_type_stub_decl to build it.
        (gnat_pushdecl): Rewrite condition.
        (gnat_install_builtins): Remove bogus declaration.
        (record_builtin_type): New function.
        (finish_record_type): Use create_type_stub_decl to build TYPE_STUB_DECL
        of types.
        (create_type_stub_decl): New function.
        (create_type_decl): Assert that the type is not dummy.  If the type
        hasn't been named yet, equate the TYPE_STUB_DECL to the created node.
        (build_vms_descriptor32): Do not create TYPE_DECL for the descriptor.
        (build_vms_descriptor): Likewise.
        (init_gigi_decls): Delete and move bulk of code to...
        * gcc-interface/trans.c (gigi): ...here.  Use record_builtin_type.
        (emit_range_check): Add gnat_node parameter.
        (emit_index_check): Likewise.
        (emit_check): Likewise.
        (build_unary_op_trapv): Likewise.
        (build_binary_op_trapv): Likewise.
        (convert_with_check): Likewise.
        (Attribute_to_gnu): Adjust calls for above changes.
        (call_to_gnu): Likewise.
        (gnat_to_gnu): Likewise.
        (assoc_to_constructor): Likewise.
        (pos_to_constructor): Likewise.
        (Sloc_to_locus): Set BUILTINS_LOCATION for Standard_Location nodes.
        (process_type): Do not create TYPE_DECL for dummy types.

2009-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity): Reorder local variables.
        * gcc-interface/trans.c: Fix formatting throughout.  Fix comments.
        * gcc-interface/utils.c: Fix comments.

2009-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (compile_time_known_address_p): Rewrite and
        move around.
        (gnat_to_gnu_type): Move around.
        (get_unpadded_type): Likewise.
        * gcc-interface/utils.c (update_pointer_to): Use synthetic macro.
        Tidy comments.

2009-04-07  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.c (check_for_eliminated_entity): New function.
        (Attribute_to_gnu): Invoke it for Access- and Address-like attributes.
        (call_to_gnu): Invoke it instead of manually checking.

2009-04-04  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/utils.c (finish_record_type): Force structural equality
        checks if the record type is discriminated.

2009-03-31  Eric Botcazou  <ebotcazou@adacore.com>

        * system-linux-alpha.ads (Functions_Return_By_DSP): Remove.
        * system-linux-mips.ads (Functions_Return_By_DSP): Likewise.
        * system-linux-mipsel.ads (Functions_Return_By_DSP): Likewise.
        * system-linux-s390.ads (Functions_Return_By_DSP): Likewise.
        * system-linux-s390x.ads (Functions_Return_By_DSP): Likewise.
        * system-linux-sparc.ads (Functions_Return_By_DSP): Likewise.
        * system-linux-sparcv9.ads (Functions_Return_By_DSP): Likewise.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

        * gcc-interface/decl.c (maybe_pad_type): Use TREE_OVERFLOW instead
        of TREE_CONSTANT_OVERFLOW.

2009-03-30  Joseph Myers  <joseph@codesourcery.com>

        PR rtl-optimization/323
        * gcc-interface/misc.c (gnat_post_options): Set
        flag_excess_precision_cmdline.  Give an error for
        -fexcess-precision=standard for processors where the option is
        significant.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

        PR c/39323
        * gcc-interface/utils.c (create_field_decl): Use "unsigned int"
        on bit_align.

2009-03-11  Olivier Hainque  <hainque@adacore.com>

        * gcc-interface/trans.c (gnat_to_gnu) <case N_Slice>: In range
        checks processing, remove unintended TREE_TYPE walk on index type.

2009-03-01  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/39264
        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Do no
        call make_packable_type on fat pointer types.
        <E_Array_Subtype>: Likewise.
        <E_Record_Subtype>: Call make_packable_type on all record types
        except for fat pointer types.
        (make_packable_type): Likewise.
        (gnat_to_gnu_field): Likewise.

2009-02-28  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/Makefile.in (cygwin/mingw): Revert accidental
        EH_MECHANISM change made on 2007-12-06.

2009-02-26  Andreas Schwab  <schwab@suse.de>

        PR ada/39172
        * Makefile.in (srcdir): Set to @top_srcdir@ instead of @srcdir@.
        * gcc-interface/Makefile.in: Change all uses of $(srcdir),
        $(fsrcdir) and $(fsrcpfx) to add ada subdir.
        (AWK): Substitute.
        (target_cpu_default): Substitute.

2009-02-25  Laurent GUERBY  <laurent@guerby.net>

        PR ada/39221
        * a-teioed.adb (Expand): Fix Result overflow.

2009-02-25  Laurent GUERBY  <laurent@guerby.net>

        * gcc-interface/Makefile.in: Fix multilib handling for
        sparc64-linux.

2009-02-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * s-oscons-tmplt.c [__osf__ && !_SS_MAXSIZE]: Undef AF_UNIX6.

2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>

        * gcc-interface/misc.c (gnat_post_options): Turn off warn_psabi.

2009-02-16  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/deftarg.c: Remove.

2009-02-10  Olivier Hainque  <hainque@adacore.com>
            Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (enum alias_set_op): New enumeration.
        (copy_alias_set): Rename into...
        (relate_alias_sets): ...this.  Add third parameter OP.  Retrieve the
        underlying array of unconstrained arrays for the new type as well.
        If the old and new alias sets don't conflict, make one a subset of
        the other as per the OP parameter.
        (gnat_to_gnu_entity): Adjust calls to copy_alias_set.
        <E_Record_Type>: Do not copy the alias set for derived types.
        For all types, make the alias set of derived types a superset of
        that of their parent type.
        (make_aligning_type): Adjust calls to copy_alias_set.
        (make_packable_type): Likewise.
        * gcc-interface/trans.c (gnat_to_gnu)<N_Validate_Unchecked_Conversion>:
        Check for alias set conflict instead of strict equality to issue the
        warning.

2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_String_Literal_Subtype>:
        Set TYPE_NONALIASED_COMPONENT on the array type only if appropriate.
        (copy_alias_set): Assert that arrays have the same aliasing settings.
        (substitute_in_type) <ARRAY_TYPE>: Copy TYPE_NONALIASED_COMPONENT.

2009-02-08  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_String_Literal_Subtype>:
        Set TYPE_NONALIASED_COMPONENT on the array type.

2009-01-31  Laurent GUERBY  <laurent@guerby.net>

        * gcc-interface/Makefile.in: Fix mipsel linux handling.

2009-01-16  Jakub Jelinek  <jakub@redhat.com>

        * gcc-interface/Makefile.in: Fix multilib handling for
        powerpc64-linux.

2009-01-12  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Really strip
        only useless conversions around renamed objects.

2009-01-11  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Subtype>: Put
        the _Tag field before any discriminants in the field list.
        (components_to_record): Remove obsolete comment.


\f
Copyright (C) 2009 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.