2018-01-11  Arnaud Charlet  <charlet@adacore.com>

gcc/ada/

	Bump copyright notices to 2018.

From-SVN: r256519

2013-10-15  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Analyze_Constituent): When
	a state acts as a constituent of another state, ensure that
	the said state has a Part_Of dependency in its corresponding
	aspect/pragma Abstract_State.

2013-10-15  Robert Dewar  <dewar@adacore.com>

	* par-ch4.adb (P_If_expression): Handle redundant ELSE cleanly.

2013-10-15  Thomas Quinot  <quinot@adacore.com>

	* atree.ads (New_Copy, Relocate_Node): Improve documentation
	(note that these subprograms reset Is_Overloaded).

2013-10-15  Thomas Quinot  <quinot@adacore.com>

	* checks.adb (Check_Needed): Handle the case where the test in
	the left operand of the short circuit is wrapped in a qualified
	expression, type conversion, or expression with actions.

2013-10-15  Thomas Quinot  <quinot@adacore.com>

	* sem_type.adb, sem_type.ads (Save_Interps): Also propagate
	Is_Overloaded to New_N, for consistency.

2013-10-15  Ed Schonberg  <schonberg@adacore.com>

	* a-tienau.adb (Put): Use file parameter to query values of
	current column and line length.

From-SVN: r203595

2011-12-12  Thomas Quinot  <quinot@adacore.com>

	* exp_disp.adb: Minor reformatting.

2011-12-12  Tristan Gingold  <gingold@adacore.com>

	* gnatls.adb (Search_RTS): New procedure.
	(Scan_Ls_Arg): Move code that search the RTS.
	(Gnatls): search the RTS later.
	* prj-env.ads, prj-env.adb (Get_Runtime_Path): New function.

2011-12-12  Ed Falis  <falis@adacore.com>

	* sysdep.c: Fix treatment of VxWorks task options so that run-times
	built with __SPE__ get option VX_SPE_TASK while others get VX_FP_TASK.

2011-12-12  Bob Duff  <duff@adacore.com>

	* sem_type.adb, sem_type.ads, sem_ch4.adb, treepr.adb, treepr.ads:
	Minor cleanup and fiddling with debug printouts.

2011-12-12  Vincent Celier  <celier@adacore.com>

	* prj-nmsc.adb (Get_Directories): For a non extending project,
	always get a declared object and/or exec directory if it already
	exists, even when there are no sources, but do not create them.

2011-12-12  Bob Duff  <duff@adacore.com>

	* sem_res.adb (Resolve): Deal with the case where an abstract
	operator is called with operands of type universal_integer.

2011-12-12  Thomas Quinot  <quinot@adacore.com>

	* par_sco.adb: Minor fix to dominance marker referencing WHILE
	decision.

From-SVN: r182227

2011-08-04  Bob Duff  <duff@adacore.com>

	* sem_type.adb (Covers): If T2 is a subtype of a class-wide type, we
	need to compare with Class_Wide_Type (T2), in order to get at the
	original class-wide type node.
	* sem_type.ads (Covers): Improve the comment.
	* einfo.ads (Class_Wide_Type): Improve the comment.
	* exp_intr.adb (Expand_Unc_Deallocation): Remove unnecessary setting of
	the type of the Deref.

2011-08-04  Yannick Moy  <moy@adacore.com>

	* gnat_rm.texi: Document that Test_Case pragma can only appear on
	separate declarations.
	* sem_prag.adb (procedure Check_Identifier_Is_One_Of): new procedure to
	check identifier of pragma argument.
	(Chain_TC): check that no other test case associated to the same entity
	share the same name.
	(Check_Test_Case): disallow test case inside subprogram body
	(Analyze_Pragma): correct call to check identifier and not argument
	* sem_util.adb, sem_util.ads (Get_Name_From_Test_Case_Pragma): new
	function gets name from test case pragma.

From-SVN: r177385

sem_type.ads, [...] (Is_Ancestor): Addition of a new formal (Use_Full_View) which permits this routine to climb...

2011-08-02  Javier Miranda  <miranda@adacore.com>

	* sem_type.ads, sem_type.adb (Is_Ancestor): Addition of a new formal
	(Use_Full_View) which permits this routine to climb through the
	ancestors using the full-view of private parents.
	* sem_util.adb (Collect_Interfaces_Info, Implements_Interface): Set
	Use_Full_View to true in calls to Is_Ancestor.
	* sem_disp.adb (Override_Dispatching_Operation): Set Use_Full_View to
	true in call to Is_Ancestor.
	* exp_ch3.adb (Build_Offset_To_Top_Functions, Initialize_Tag): Set
	Use_Full_View to true in call to Is_Ancestor.
	* exp_ch7.adb (Controller_Component): Set Use_Full_View to true in
	call to Is_Ancestor.
	* exp_ch4.adb (Expand_N_Type_Conversion, Tagged_Membership): Set
	Use_Full_View to true in calls to Is_Ancestor.
	* exp_disp.adb (Expand_Interface_Actuals, Make_Secondary_DT, Make_DT,
	Make_Select_Specific_Data_Table, Register_Primitive,
	Set_All_DT_Position): Set Use_Full_View to true in calls to Is_Ancestor.
	* exp_intr.adb (Expand_Dispatching_Constructor_Call): Set Use_Full_View
	to true in call to Is_Ancestor.
	* exp_util.adb (Find_Interface_ADT, Find_Interface_Tag): Set
	Use_Full_View to true in calls to Is_Ancestor.
	* exp_cg.adb
	(Write_Call_Info): Set Use_Full_View to true in call to Is_Ancestor.
	(Write_Type_Info): Set Use_Full_View to true in call to Is_Ancestor.

From-SVN: r177087

2010-09-09  Javier Miranda  <miranda@adacore.com>

	* sem_ch3.adb (Is_Progenitor): Relocated to sem_type.
	(Replace_Type): Code cleanup.
	* sem_type.ads, sem_type.adb (Is_Progenitor): Relocated from sem_ch3

2010-09-09  Thomas Quinot  <quinot@adacore.com>

	* exp_ch8.adb: Minor reformatting.

2010-09-09  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch9.adb, einfo.adb, einfo.ads: New attribute
	Corresponding_Protected_Entry.

From-SVN: r164065

2009-07-22  Thomas Quinot  <quinot@adacore.com>

	* sem_elab.adb (Insert_Elab_Check): When relocating an overloaded
	expression to insert an elab check using a conditional expression, be
	sure to carry the original list of interpretations to the new location.

2009-07-22  Gary Dismukes  <dismukes@adacore.com>

	* gnat1drv.adb: Fix spelling error.

2009-07-22  Javier Miranda  <miranda@adacore.com>

	* sem_type.ads, sem_type.adb (In_Generic_Actual): Leave this subprogram
	at the library level and fix a hidden bug in its implementation: its
	functionality for renaming objects was broken because
	N_Object_Renaming_Declarations nodes are not a subclass of
	N_Declaration nodes (as documented in sinfo.ads).
	* sem_util.adb (Check_Dynamically_Tagged_Expression): Include in this
	check nodes that are actuals of generic instantiations.

2009-07-22  Ed Schonberg  <schonberg@adacore.com>

	* sinfo.ads, sinfo.adb (Pending_Context): New flag to indicate that the
	context of a compilation unit is being analyzed. Used to detect
	circularities created by with_clauses that are not detected by the
	loading machinery.
	* sem_ch10.adb (Analyze_Compilation_Unit): Set Pending_Context before
	analyzing the context of the current compilation unit, to detect
	possible circularities created by with_clauses.

From-SVN: r149925

2009-07-13  Emmanuel Briot  <briot@adacore.com>

	* prj-env.adb (Create_Config_Pragmas_File): Iterate on sources rather
	than units.

2009-07-13  Thomas Quinot  <quinot@adacore.com>

	* sem_ch3.adb (Process_Full_View): Propagate Has_Specified_Stream_{Read,
	Write,Input,Output} from private view to full view.

	* sem_type.adb, sem_type.ads: Minor reformatting

2009-07-13  Nicolas Setton  <setton@adacore.com>

	* exp_dbug.ads: Add documentation note on the utility of
	DW_AT_GNAT_encoding for IDEs.

2009-07-13  Robert Dewar  <dewar@adacore.com>

	* g-socthi-vxworks.adb: Minor reformatting

	* gnatcmd.adb: Minor reformatting

From-SVN: r149561

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.

From-SVN: r148696

2007-09-10  Robert Dewar  <dewar@adacore.com>

	* exp_atag.ads, exp_atag.adb, mlib-tgt-tru64.adb, mlib-tgt-aix.adb,
	mlib-tgt-irix.adb, mlib-tgt-hpux.adb, mlib-tgt-linux.adb,
	mlib-tgt-solaris.adb, mlib-tgt-vms-alpha.adb, mlib-tgt-vms-ia64.adb,
	mlib-tgt-mingw.adb, mlib-tgt-vxworks.adb, ali.adb, ali.ads,
	ali-util.adb, ali-util.ads, atree.h, back_end.adb, back_end.ads,
	bcheck.adb, bcheck.ads, binde.adb, binde.ads, binderr.adb, binderr.ads,
	bindgen.adb, bindgen.ads, bindusg.adb, bindusg.ads, butil.adb,
	butil.ads, checks.adb, checks.ads, clean.adb, clean.ads, comperr.adb,
	comperr.ads, cstand.adb, cstand.ads, debug_a.adb, debug_a.ads,
	elists.h, errout.adb, erroutc.ads, errutil.adb, errutil.ads,
	err_vars.ads, eval_fat.adb, eval_fat.ads, exp_sel.ads, exp_sel.adb,
	exp_aggr.adb, exp_aggr.ads, expander.adb, expander.ads, exp_attr.ads,
	exp_ch10.ads, exp_ch11.adb, exp_ch12.adb, exp_ch12.ads, exp_ch13.adb,
	exp_ch13.ads, exp_ch2.adb, exp_ch2.ads, exp_ch3.ads, exp_ch4.adb,
	exp_ch4.ads, exp_ch5.adb, exp_ch5.ads, exp_ch6.adb, exp_ch6.ads,
	exp_ch7.adb, exp_ch7.ads, exp_ch8.adb, exp_ch8.ads, exp_ch9.adb,
	exp_ch9.ads, exp_code.adb, exp_code.ads, exp_dbug.adb, exp_dbug.ads,
	exp_disp.ads, exp_dist.adb, exp_dist.ads, exp_fixd.adb, exp_fixd.ads,
	exp_imgv.adb, exp_imgv.ads, exp_intr.adb, exp_intr.ads, exp_pakd.adb,
	exp_pakd.ads, exp_prag.adb, exp_prag.ads, exp_smem.adb, exp_strm.adb,
	exp_strm.ads, exp_tss.adb, exp_tss.ads, exp_util.adb, exp_util.ads,
	exp_vfpt.adb, exp_vfpt.ads, fmap.adb, fmap.ads, fname-sf.adb,
	fname-sf.ads, fname-uf.adb, fname-uf.ads, frontend.adb, frontend.ads,
	get_targ.adb, get_targ.ads, gnat1drv.adb, gnat1drv.ads, gnatbind.adb,
	gnatbind.ads, gnatbl.c, gnatchop.adb, gnatclean.adb, gnatcmd.adb,
	gnatcmd.ads, gnatdll.adb, gnatfind.adb, gnatkr.adb, gnatkr.ads,
	gnatlbr.adb, gnatlink.adb, gnatlink.ads, gnatls.adb, gnatls.ads,
	gnatmake.adb, gnatmake.ads, gnatmem.adb, gnatname.adb, gnatname.ads,
	gnatprep.adb, gnatprep.ads, gnatsym.adb, gnatxref.adb,
	gprep.adb, gprep.ads, hlo.adb, hlo.ads, impunit.adb, impunit.ads,
	inline.adb, inline.ads, itypes.adb, itypes.ads, layout.adb, layout.ads,
	lib-load.adb, lib-load.ads, lib-util.adb, lib-util.ads, lib-writ.adb,
	lib-writ.ads, lib-xref.adb, lib-xref.ads, live.adb, live.ads,
	make.adb, make.ads, makeutl.ads, makeutl.adb, makeusg.adb, makeusg.ads,
	mdll.adb, mdll.ads, mdll-fil.adb, mdll-fil.ads, mdll-utl.adb,
	mdll-utl.ads, memroot.adb, memroot.ads, mlib.adb, mlib.ads,
	mlib-fil.adb, mlib-fil.ads, mlib-prj.adb, mlib-prj.ads, mlib-tgt.adb,
	mlib-tgt.ads, mlib-utl.adb, mlib-utl.ads, namet.h, nmake.adt,
	osint.adb, osint.ads, osint-b.adb, osint-b.ads, osint-c.adb,
	osint-c.ads, osint-l.adb, osint-l.ads, osint-m.adb, osint-m.ads,
	par.adb, par.ads, par-ch10.adb, par-ch11.adb, par-ch12.adb,
	par-ch13.adb, par-ch2.adb, par-ch3.adb, par-ch4.adb, par-ch5.adb,
	par-ch6.adb, par-ch7.adb, par-ch8.adb, par-ch9.adb, par-endh.adb,
	par-labl.adb, par-load.adb, par-prag.adb, par-sync.adb, par-tchk.adb,
	par-util.adb, prep.adb, prep.ads, prepcomp.adb, prepcomp.ads,
	prj.adb, prj.ads, prj-attr.adb, prj-attr.ads, prj-com.ads,
	prj-dect.adb, prj-dect.ads, prj-err.adb, prj-err.ads, prj-ext.adb,
	prj-ext.ads, prj-makr.adb, prj-makr.ads, prj-nmsc.adb, prj-nmsc.ads,
	prj-pars.adb, prj-pars.ads, prj-part.adb, prj-part.ads,
	prj-pp.adb, prj-pp.ads, prj-proc.adb, prj-proc.ads,
	prj-strt.adb, prj-strt.ads, prj-tree.adb, prj-tree.ads,
	prj-util.adb, prj-util.ads, restrict.adb, restrict.ads,
	rtsfind.adb, rtsfind.ads, scn.adb, scn.ads,
	scng.adb, scng.ads, sdefault.ads, sem.ads, sem_aggr.ads, sem_attr.adb,
	sem_case.adb, sem_case.ads, sem_cat.adb, sem_cat.ads, sem_ch10.adb,
	sem_ch10.ads, sem_ch11.adb, sem_ch11.ads, sem_ch12.ads, sem_ch13.adb,
	sem_ch13.ads, sem_ch2.adb, sem_ch2.ads, sem_ch3.adb, sem_ch3.ads,
	sem_ch4.ads, sem_ch5.adb, sem_ch5.ads, sem_ch6.adb, sem_ch6.ads,
	sem_ch7.adb, sem_ch7.ads, sem_ch8.adb, sem_ch8.ads, sem_ch9.adb,
	sem_ch9.ads, sem_disp.adb, sem_disp.ads, sem_dist.adb, sem_dist.ads,
	sem_elab.adb, sem_elab.ads, sem_elim.adb, sem_elim.ads, sem_eval.adb,
	sem_eval.ads, sem_intr.adb, sem_intr.ads, sem_maps.adb, sem_maps.ads,
	sem_mech.adb, sem_mech.ads, sem_prag.adb, sem_prag.ads, sem_res.adb,
	sem_res.ads, sem_smem.adb, sem_smem.ads, sem_type.adb, sem_type.ads,
	sem_util.adb, sem_util.ads, sem_vfpt.adb, sem_vfpt.ads, sem_warn.adb,
	sem_warn.ads, sfn_scan.ads, sinfo-cn.adb, sinfo-cn.ads, sinput-c.adb,
	sinput-c.ads, sinput-d.adb, sinput-d.ads, sinput-l.adb, sinput-l.ads,
	sinput-p.adb, sinput-p.ads, snames.h, sprint.adb, sprint.ads,
	stringt.h, style.ads, styleg.adb, styleg.ads, styleg-c.adb,
	styleg-c.ads, stylesw.adb, stylesw.ads, switch.adb, switch.ads,
	switch-b.adb, switch-b.ads, switch-c.adb, switch-c.ads, switch-m.adb,
	switch-m.ads, symbols.adb, symbols.ads, targparm.adb, tbuild.adb,
	tbuild.ads, tempdir.adb, tempdir.ads, tree_gen.adb, tree_gen.ads,
	treepr.adb, treepr.ads, treeprs.adt, ttypef.ads, ttypes.ads,
	types.h, uintp.h, urealp.h, usage.adb, usage.ads,
	validsw.adb, validsw.ads, vxaddr2line.adb, xeinfo.adb, xnmake.adb,
	xref_lib.adb, xref_lib.ads, xr_tabls.adb, xr_tabls.ads, xsinfo.adb,
	xtreeprs.adb, xsnames.adb, vms_conv.ads, vms_conv.adb, xgnatugn.adb,
	gprmake.adb, makegpr.ads, makegpr.adb, prj-attr-pm.ads, prj-attr-pm.adb,
	mlib-tgt-lynxos.adb, mlib-tgt-darwin.adb, symbols-vms.adb,
	symbols-processing-vms-alpha.adb, symbols-processing-vms-ia64.adb,
	mlib-tgt-specific.adb, mlib-tgt-specific.ads, mlib-tgt-vms.adb,
	mlib-tgt-vms.ads: Replace headers with GPL v3 headers.

From-SVN: r128332

2007-08-16  Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Add note on preprocessing (output file not written)

2007-08-16  Thomas Quinot  <quinot@adacore.com>

	* a-tags.adb: Minor reformatting.

2007-08-16  Bob Duff  <duff@adacore.com>

	* sem_type.ads, sem_ch4.adb: Minor reformatting.

From-SVN: r127552

2007-08-14  Thomas Quinot  <quinot@adacore.com>
	    Ed Schonberg  <schonberg@adacore.com>
	    Javier Miranda  <miranda@adacore.com>
	    Robert Dewar  <dewar@adacore.com>

	* exp_ch3.ads, exp_ch3.adb (Add_Final_Chain): New subprogram.
	(Freeze_Array_Type, Freeze_Record_Type): For the case of a component
	type that is an anonymous access to controlled object, establish
	an associated finalization chain to avoid corrupting the global
	finalization list when a dynamically allocated object designated
	by such a component is deallocated.
	(Make_Controlling_Function_Wrappers): Create wrappers for constructor
	functions that need it, even when not marked Requires_Overriding.
	(Initialize_Tag): Replace call to has_discriminants by call to
	Is_Variable_Size_Record in the circuitry that handles the
	initialization of secondary tags.
	(Is_Variable_Size_Record): New implementation.
	(Expand_N_Object_Declaration): Suppress call to init proc if there is a
	Suppress_Initialization pragma for a derived type.
	(Is_Variable_Size_Record): New subprogram.
	(Build_Offset_To_Top_Functions): New implementation that simplifies the
	initial version of this routine and also fixes problems causing
	incomplete initialization of the table of interfaces.
	(Build_Init_Procedure): Improve the generation of code to initialize the
	the tag components of secondary dispatch tables.
	(Init_Secondary_Tags): New implementation that simplifies the previous
	version of this routine.
	(Make_DT): Add parameter to indicate when type has been frozen by an
	object declaration, for diagnostic purposes.
	(Check_Premature_Freezing): New subsidiary procedure of Make_DT, to
	diagnose attemps to freeze a subprogram when some untagged type of its
	profile is a private type whose full view has not been analyzed yet.
	(Freeze_Array_Type): Generate init proc for packed array if either
	Initialize or Normalize_Scalars is set.
	(Make_Controlling_Function_Wrappers, Make_Null_Procedure_Specs): when
	constructing the new profile, copy the null_exclusion indicator for each
	parameter, to ensure full conformance of the new body with the spec.

	* sem_type.ads, sem_type.adb (Make_Controlling_Function_Wrappers):
	Create wrappers for constructor functions that need it, even when not
	marked Requires_Overriding.
	(Covers): Handle properly designated types of anonymous access types,
	whose non-limited views are themselves incomplete types.
	(Add_Entry): Use an entity to store the abstract operation which hides
	an interpretation.
	(Binary_Op_May_Be_Hidden): Rename to Binary_Op_Interp_Has_Abstract_Op.
	(Collect_Interps): Use Empty as an actual for Abstract_Op in the
	initialization aggregate.
	(Function_Interp_May_Be_Hidden): Rename to
	Function_Interp_Has_Abstract_Op.
	(Has_Compatible_Type): Remove machinery that skips interpretations if
	they are labeled as potentially hidden by an abstract operator.
	(Has_Hidden_Interp): Rename to Has_Abstract_Op.
	(Set_May_Be_Hidden): Rename to Set_Abstract_Op.
	(Write_Overloads): Output the abstract operator if present.
	(Add_Entry): Before inserting a new entry into the interpretation table
	for a node, determine whether the entry will be disabled by an abstract
	operator.
	(Binary_Op_Interp_May_Be_Hidden): New routine.
	(Collect_Interps): Add value for flag May_Be_Hidden in initialization
	aggregate.
	(Function_Interp_May_Be_Hidden): New routine.
	(Has_Compatible_Type): Do not consider interpretations hidden by
	abstract operators when trying to determine whether two types are
	compatible.
	(Has_Hidden_Interp): New routine.
	(Set_May_Be_Hidden_Interp): New routine.
	(Write_Overloads): Write the status of flag May_Be_Hidden.

From-SVN: r127417

einfo.ads, einfo.adb (Available_View): New synthesized attribute applicable to types that have the With_Type flag set.

2007-04-20  Javier Miranda  <miranda@adacore.com>
	    Ed Schonberg  <schonberg@adacore.com>
	    Robert Dewar  <dewar@adacore.com>
	    Eric Botcazou  <ebotcazou@adacore.com>
	    Arnaud Charlet  <charlet@adacore.com>

	* einfo.ads, einfo.adb (Available_View): New synthesized attribute
	applicable to types that have the With_Type flag set. Returns the
	non-limited view of the type, if available, otherwise the type itself.
	For class-wide types, there is no direct link in the tree, so we have
	to retrieve the class-wide type of the non-limited view of the Etype.
	New attributes Static_Initialization and Static_Elaboration_Desired.
	Remove the pragma Thread_Body, and the associated flag
	Is_Thread_Body in entities, and all related code.
	(Suppress_Value_Tracking_On_Call): New flag
	E_Exception has Esize and Alignment fields
	(Universal_Aliasing): New function.
	(Set_Universal_Aliasing): New procedure.
	(Write_Entity_Flags): Deal with Universal_Aliasing flag.
	(Check_Nested_Access): New procedure.
	(Has_Up_Level_Access, Set_Has_Up_Level_Access): New procedures.
	(Find_Direct_Name, Note_Possible_Modification): Use Check_Nested_Access.
	(Related_Interface): New attribute. Present in dispatch table pointer
	components of records. Set to point to the entity of the corresponding
	interface type.
	(Is_By_Reference_Type): Recurse on the full view of an incomplete type.
	(Original_Access_Type): Remove, not needed.
	(Root_Type): Handle properly subtypes of class-wide-types.
	Update comments.

	* sem_ch4.adb (Analyze_Explicit_Dereference): Add support for
	class-wide types visible through limited-with clauses.
	(Try_Primitive_Operation): When examining all primitive operations of a
	tagged type, do not consider subprograms labeled as hidden unless they
	belong to a private generic type with a tagged parent.
	(Try_Object_Operation): Extensive rewriting, to handle properly various
	overloading cases, when several ancestors may have class-wide operations
	that are possible candidates, and when the overloaded functions return
	array types and have defaulted parameters so that the call may be
	interpreted as an indexing.
	(Analyze_Allocator): Remove Mark_Allocator and its invocation.
	(Process_Function_Call): use Next, rather than Next_Actual, to analyze
	successive actuals before analyzing the call itself.
	(Try_Primitive_Operation): A primitive operation is compatible with the
	prefix if the prefix has a synchronized type and the type of the formal
	is its corresponding record, as can be the case when the primitive
	operation is declared outside of the body of the type.
	(Traverse_Homonyms): New subprocedure of Try_Class_Wide_Operation, to
	perform homonym traversal, looking for class-wide operation matches
	(formerly done in statements of Try_Class_Wide_Operation). Matches on
	access parameters are now restricted to anonymous access types.
	(Mark_Allocator): An allocator with a discriminant association parent is
	a coextension.
	(Try_One_Prefix_Interpretation): If the type of the object is
	incomplete, as can be happen when it is a limited view obtained through
	a limited_with_clause, the selected component is not part of a prefixed
	call.
	(Complete_Object_Operation): Diagnose properly an object that is not
	aliased when the corresponding controlling formal is an access
	parameter.
	(Try_Primitive_Operation, Try_Class_Wide_Operation): Diagnose properly
	ambiguous calls in prefixed notation, where two primitives differ only
	in that the controlling argument of one is an access parameter.

	* sem_ch6.adb (Has_Single_Return): Add guard in code that determines
	whether a function that returns an unconstrained type can be inlined.
	(Process_Formals): Diagnose properly the illegal use of an incomplete
	type in the profile of an access_to_subprogram declaration.
	(Check_Synchronized_Overriding): Nothing check for concurrent types, the
	operations are attached to the corresponding record.
	(Analyze_Subprogram_Specification): Add variables Formal and Formal_Typ.
	When processing a primitive of a concurrent type which implements an
	interface change the type of all controlling formals to that of the
	corresponding record type.
	(Check_Synchronized_Overriding): Relax the conditional logic when trying
	to determine the tagged type to which a primitive belongs.
	(Check_Conventions): Capture condition to ignore a primitive operation
	(which is shared between the loop in Check_Conventions and the one in
	Check_Convention) in a new local function Skip_Check.
	(Check_Convention): Rename Prim_Op to Second_Prim_Op to avoid possible
	confusion with Check_Conventions' own Prim_Op local variable.
	(Create_Extra_Formals): Test for a tagged result type rather than a
	controlling result when determining whether to add a BIP_Alloc_Form
	formal and a BIP_Final_List formal to the function.
	(Check_Conformance); For parameters that are anonymous access types,
	subtype conformance requires that the not null and the constant
	indicators must match
	(Check_Synchronized_Overriding): New parameter Formal_Typ. Add machinery
	to retrieve the appropriate type when processing a concurrent type
	declared within a generic. Minor comment reformatting. Change invocation
	of Overrides_Synchronized_Primitive to Find_Overridden_Synchronized_Pri-
	mitive.
	(Analyze_Subprogram_Body): If the return type of a function is an
	anonymous access to the limited view of a class-wide type, and the
	non-limited view of the type is available, update the type of the
	function so that code can be generated.
	(Process_Formals): In case of access-subtype itype whose designated
	type is also an itype (situation that happens now with access to
	subprograms) we mark the access-type itype with the Has_Delayed_Freeze
	attribute to avoid backend problems.
	(Check_Return_Subtype_Indication): Replace R_Type with R_Stm_Type in
	init of R_Stm_Type_Is_Anon_Access. Also check that base types of the
	anonymous types' designated types are same before testing
	Subtypes_Statically_Match.
	(Create_Extra_Formals): Test for a named access parameter that is a
	controlling formal as an additional condition for adding an
	accessibility level formal. This can occur in the subp type created for
	dispatching calls in Expand_Dispatching_Call, and allows calling
	Create_Extra_Formals from that procedure rather than special-casing the
	extra formals there.
	(Create_Extra_Formals): Add BIP_Alloc_Form and BIP_Final_List formals
	when the function has a controlling result.
	(Check_Returns): Add much more knowledge of the optimization of local
	raise statements to gotos, to retain proper warnings in this case.
	(Check_Statement_Sequence): Ignore N_Push_xxx_Label and N_Pop_xxx_Label
	nodes when looking for last statement.

	* sem_type.ads, sem_type.adb (Specific_Type): Add support for
	class-wide types visible through limited with clauses.
	(Add_One_Interp): If the operands are anonymous access types, the
	predefined operator on universal_access is immediately visibles
	(Find_Unique_Type): Handle anonymous access to subprogram types just as
	other anonymous access types.
	(Disambiguate): Take into account CIL convention.
	(Interface_Present_In_Ancestor): Add support for class-wide interfaces.

From-SVN: r125390

2007-04-06  Ed Schonberg  <schonberg@adacore.com>
	    Javier Miranda  <miranda@adacore.com>

	* sem_type.ads, sem_type.adb (Has_Abstract_Interpretation): Make
	predicate recursive, to handle complex expressions on literals whose
	spurious ambiguity comes from the abstract interpretation of some
	subexpression.
	(Interface_Present_In_Ancestor): Add support to concurrent record
	types.
	(Add_One_Interp,Disambiguate): Split Is_Abstract flag into
	Is_Abstract_Subprogram and Is_Abstract_Type.

From-SVN: r123598

2005-11-14  Robert Dewar  <dewar@adacore.com>

	* a-secain.adb, a-slcain.adb, a-shcain.adb, a-chtgke.ads, a-chtgke.adb,
	a-stwiha.adb, a-strhas.adb, a-chzla1.ads, a-chzla9.ads, a-stzbou.adb,
	a-stzbou.ads, a-stzfix.adb, a-stzhas.adb, a-stzmap.adb, a-stzmap.ads,
	a-stzsea.adb, a-stzsea.ads, a-stzsup.adb, a-stzsup.ads, a-stzunb.adb,
	a-stzunb.ads, a-szuzha.adb, a-szuzha.ads, a-szuzti.adb, a-szuzti.ads,
	a-ztcoau.adb, a-ztcoau.ads, a-ztcoio.adb, a-ztcstr.adb, a-ztcstr.ads,
	a-ztdeau.adb, a-ztdeau.ads, a-ztdeio.adb, a-ztdeio.ads, a-ztedit.adb,
	a-ztedit.ads, a-ztenau.ads, a-ztenio.adb, a-ztenio.ads, a-ztexio.adb,
	a-ztexio.ads, a-ztfiio.adb, a-ztfiio.ads, a-ztflau.adb, a-ztflau.ads,
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	a-zttest.adb, g-enblsp-vms-alpha.adb, g-enblsp-vms-alpha.adb,
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	a-numaux.ads, a-reatim.ads, a-sequio.adb, a-sequio.ads,
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	a-strbou.adb, a-strbou.ads, a-stream.ads, a-strfix.adb,
	a-strmap.adb, a-strmap.ads, a-strsea.adb, a-strsea.ads,
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	a-ticoau.adb, a-ticoau.ads, a-ticoio.adb, a-tideau.adb,
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	a-tiflio.adb, a-tigeau.adb, a-tigeau.ads, a-tiinau.adb,
	a-tiinio.adb, a-timoau.adb, a-timoio.adb, a-timoio.ads,
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	a-wtmoau.adb, a-wtmoio.adb, a-wttest.adb, back_end.adb,
	bindgen.adb, butil.adb, butil.ads, checks.ads, cio.c, comperr.adb,
	csets.ads, cstand.adb, debug.ads, elists.ads, errno.c, errout.adb,
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	a-swuwha.ads, a-stunha.ads: Minor reformatting

From-SVN: r107016

From-SVN: r101492

exp_ch4.adb (Expand_Allocator_Expression): When an initialized allocator's designated type is a class-wide type...

2005-06-14  Gary Dismukes  <dismukes@adacore.com>
	    Javier Miranda  <miranda@adacore.com>
	    Ed Schonberg  <schonberg@adacore.com>
	    Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch4.adb (Expand_Allocator_Expression): When an initialized
	allocator's designated type is a class-wide type, and compiling for
	Ada 2005, emit a run-time check that the accessibility level of the
	type given in the allocator's expression is not deeper than the level
	of the allocator's access type.

	(Tagged_Membership): Modified to gives support to abstract interface
	types.

	* a-tags.ads, a-tags.adb (type Type_Specific_Data): Add component
	Access_Level.
	(Descendant_Tag): New predefined function
	(Is_Descendant_At_Same_Level): New predefined function
	(Get_Access_Level): New private function
	(Set_Access_Level): New private procedure
	(IW_Membership): New function. Given the tag of an object and the tag
	associated with an interface, evaluate if the object implements the
	interface.
	(Register_Interface_Tag): New procedure used to initialize the table of
	interfaces used by the IW_Membership function.
	(Set_Offset_To_Top): Initialize the Offset_To_Top field in the prologue
	of the dispatch table.
	(Inherit_TSD): Modified to copy the table of ancestor tags plus the
	table of interfaces of the parent.
	(Expanded_Name): Raise Tag_Error if the passed tag equals No_Tag.
	(External_Tag): Raise Tag_Error if the passed tag equals No_Tag.
	(Parent_Tag): Return No_Tag in the case of a root-level tagged type,
	and raise Tag_Error if the passed tag equalis No_Tag, to conform with
	Ada 2005 semantics for the new predefined function.

	* exp_attr.adb (Expand_N_Attribute, case Attribute_Input): Generate
	call to Descendant_Tag rather than Internal_Tag.
	(Expand_N_Attribute, case Attribute_Output): Emit a check to ensure that
	the accessibility level of the attribute's Item parameter is not deeper
	than the level of the attribute's prefix type. Tag_Error is raised if
	the check fails. The check is only emitted for Ada_05.
	(Find_Stream_Subprogram): If a TSS exists on the type itself for the
	requested stream attribute, use it.
	(Expand_N_Attribute_Reference): If the designated type is an interface
	then rewrite the referenced object as a conversion to force the
	displacement of the pointer to the secondary dispatch table.
	(Expand_N_Attribute_Reference, case 'Constrained): Return false if this
	is a dereference of an object with a constrained partial view.

	* exp_ch5.adb (Expand_N_Return_Statement): When a function's result
	type is a class-wide type, emit a run-time check that the accessibility
	level of the returned object is not deeper than the level of the
	function's master (only when compiling for Ada 2005).

	* exp_disp.ads, exp_disp.adb (Ada_Actions, Action_Is_Proc,
	Action_Nb_Arg): Add entries for new Get_Access_Level and
	Set_Access_Level routines in these tables.
	(Make_DT): Generate a call to set the accessibility level of the
	tagged type in its TSD.
	(Make_DT): Code cleanup. The functionality of generating all the
	secondary dispatch tables has been moved to freeze_record_type.
	(Make_Abstract_Interface_DT): Minor code cleanup.
	(Set_All_DT_Position): Code cleanup. As part of the code cleanup
	this subprogram implements a new algorithm that provides the
	same functionality and it is more clear in case of primitives
	associated with abstract interfaces.
	(Set_All_Interfaces_DTC_Entity): Removed. As part of the code
	clean up, the functionality of this subprogram is now provided
	by Set_All_DT_Position.
	(Write_DT): New subprogram: a debugging procedure designed to be called
	within gdb to display the dispatch tables associated with a tagged
	type.
	(Collect_All_Interfaces): New subprogram that collects the whole list
	of interfaces that are directly or indirectly implemented by a tagged
	type.
	(Default_Prim_Op_Position): New subprogram that returns the fixed
	position in the dispatch table of the default primitive operations.
	(Expand_Interface_Actuals): New subprogram to generate code that
	displaces all the actuals corresponding to class-wide interfaces to
	reference the interface tag of the actual object.
	(Expand_Interface_Conversion): New subprogram. Reference the base of
	the object to give access to the interface tag associated with the
	secondary dispatch table.
	(Expand_Interface_Thunk): New subprogram that generates the code of the
	thunk. This is required for compatibility with the C+ ABI.
	(Make_Abstract_Interface_DT): New subprogram that generate the
	declarations for the secondary dispatch tables associated with an
	abstract interface.
	(Set_All_Interfaces_DTC_Entity): New subprogram that sets the DTC_Entity
	attribute for each primitive operation covering interface subprograms
	(Expand_Dispatching_Call, Fill_DT_Entry, Make_DT, Set_All_DT_Position):
	These subprograms were upgraded to give support to abstract interfaces

	* rtsfind.ads (type RE_Id): Add RE_Descendant_Tag,
	RE_Is_Descendant_At_Same_Level, RE_Get_Access_Level, and
	RE_Set_Access_Level.
	(RE_Unit_Table): Add entries for new Ada.Tags operations.
	Add support to call the followig new run-time subprograms:
	IW_Membership, Register_Interface_Tag, and Set_Offset_To_Top

	* sem_ch3.adb (Constant_Redeclaration): Allow a deferred constant to
	match its full declaration when both have an access definition with
	statically matching designated subtypes.
	(Analyze_Component_Declaration): Delete commented out code that was
	incorrectly setting the scope of an anonymous access component's type.
	(Process_Discriminants): Set Is_Local_Anonymous_Access for the type of
	an access discriminant when the containing type is nonlimited.
	(Make_Incomplete_Type_Declaration): Create an incomplete type
	declaration for a record type that includes self-referential access
	components.
	(Check_Anonymous_Access_Types): Before full analysis of a record type
	declaration, create anonymous access types for each self-referential
	access component.
	(Analyze_Component_Declaration, Array_Type_Declaration): Indicate that
	an access component in this context is a Local_Anonymous_Access, for
	proper accessibility checks.
	(Access_Definition): Set properly the scope of the anonymous access type
	created for a stand-alone access object.
	(Find_Type_Of_Object): An object declaration may be given with an access
	definition.
	(Complete_Subprograms_Derivation): New subprogram used to complete
	type derivation of private tagged types implementing interfaces.
	In this case some interface primitives may have been overriden
	with the partial-view and, instead of re-calculating them, they
	are included in the list of primitive operations of the full-view.
	(Build_Derived_Record_Type): Modified to give support to private
	types implemening interfaces.
	(Access_Definition): Reject ALL on anonymous access types.
	(Build_Derived_Record_Type): In the case of Ada 2005, allow a tagged
	type derivation to occur at a deeper accessibility level than the
	parent type.
	For the case of derivation within a generic body however, disallow the
	derivation if the derived type has an ancestor that is a formal type
	declared in the formal part of an enclosing generic.
	(Analyze_Object_Declaration): For protected objects, remove the check
	that they cannot contain interrupt handlers if not declared at library
	level.
	(Add_Interface_Tag_Components): New subprogram to add the tag components
	corresponding to all the abstract interface types implemented by a
	record type or a derived record type.
	(Analyze_Private_Extension_Declaration, Build_Derived_Record_Type,
	Derived_Type_Declaration, Find_Type_Name, Inherit_Components,
	Process_Full_View, Record_Type_Declaration): Modified to give
	support to abstract interface types
	(Collect_Interfaces): New subprogram that collects the list of
	interfaces that are not already implemented by the ancestors
	(Process_Full_View): Set flag Has_Partial_Constrained_View appropriately
	when partial view has no discriminants and full view has defaults.
	(Constrain_Access): Reject a constraint on a general access type
	if the discriminants of the designated type have defaults.
	(Access_Subprogram_Declaration): Associate the Itype node with the inner
	full-type declaration or subprogram spec. This is required to handle
	nested anonymous declarations.
	(Analyze_Private_Extension_Declaration, Build_Derived_Record_Type,
	Derived_Type_Declaration, Find_Type_Name, Inherit_Components,
	Process_Full_View, Record_Type_Declaration): Modified to give
	support to abstract interface types
	(Derive_Subprograms): Addition of a new formal to indicate if
	we are in the case of an abstact-interface derivation
	(Find_Type_Of_Subtype_Indic): Moved from the body of the package
	to the specification because it is requied to analyze all the
	identifiers found in a list of interfaces

	* debug.adb: Complete documentation of flag "-gnatdZ"

	* exp_ch3.adb: Implement config version of persistent_bss pragma
	(Check_Stream_Attributes): Use Stream_Attribute_Available instead of
	testing for TSS presence to properly enforce visibility rules.
	(Freeze_Record_Type): Code cleanup. Modified to call the subprogram
	Make_Abstract_Interfaces_DT to generate the secondary tables
	associated with abstract interfaces.
	(Build_Init_Procedure): Modified to initialize all the tags
	corresponding.
	(Component_Needs_Simple_Initialization): Similar to other tags,
	interface tags do not need initialization.
	(Freeze_Record_Type): Modified to give support to abstract interface
	types.
	(Expand_N_Object_Declaration): Do not generate an initialization for
	a scalar temporary marked as internal.

	* exp_ch6.adb (Add_Simple_Call_By_Copy_Code): Handle properly an
	in-out parameter that is a component in an initialization procedure,
	whose constraint might depend on discriminants, and that may be
	misaligned because of packing or representation clauses.
	(Is_Legal_Copy): New predicate to determine whether a possibly
	misaligned in-out actual can actually be passed by copy/return. This
	is an error in case the type is by_reference, and a warning if this is
	the consequence of a DEC import pragma on the subprogram.
	(Expand_Call, Freeze_Subprogram): Modified to give support to abstract
	interface types
	(Expand_Inlined_Call): Mark temporary generated for the return value as
	internal, so that no useless scalar normalization is generated for it.
	(Expand_N_Subprogram_Declaration): Save unanalyzed body so calls to
	null procedure can always be inlined.
	(Expand_N_Subprogram_Declaration): If this is the declaration of a null
	procedure, generate an explicit empty body for it.

	* exp_util.ads, exp_util.adb (Find_Interface_ADT): New subprogram.
	Given a type implementing an interface, returns the corresponding
	access_disp_table value.
	(Find_Interface_Tag): New subprogram. Given a type implementing an
	interface, returns the record component containing the tag of the
	interface.
	(Find_Interface_Tag): New overloaded subprogram. Subsidiary to the
	previous ones that return the corresponding tag and access_disp_table
	entities.
	(Is_Predefined_Dispatching_Operation): Determines if a subprogram
	is a predefined primitive operation.
	(Expand_Subtype_From_Expr): If the expression is a selected component
	within an initialization procedure, compute its actual subtype, because
	the component may depend on the discriminants of the enclosing record.

	* i-cpp.ads, i-cpp.adb:
	This package has been left available for compatibility with previous
	versions of the frontend. As part of the new layout this is now a
	dummy package that uses declarations available at a-tags.ads

	* par-ch3.adb (P_Identifier_Declarations): Give an error for use of
	"constant access" and "aliased [constant] access" when not compiling
	with -gnat05.
	Suppress Ada 2005 keyword warning if -gnatwY used
	(P_Identifier_Declarations): Add support for object declarations with
	access definitions.
	(Private_Extension_Declaration): Complete the documentation
	(P_Derived_Type_Def_Or_Private_Ext_Decl): Fill the inteface_list
	attribute in case of private extension declaration
	(P_Type_Declaration): Mark as "abstract" the type declarations
	corresponding with protected, synchronized and task interfaces
	(P_Declarative_Items): "not" and "overriding" are overriding indicators
	for a subprogram or instance declaration.

	* sem_ch12.adb (Analyze_Subprogram_Instantiation): Verify that an
	instantiation that is a dispatching operation has controlling access
	parameters that are null excluding.
	Save and restore Ada_Version_Explicit, for implementation of AI-362
	(Validate_Derived_Type_Instance): Add check for abstract interface
	types.
	(Analyze_Formal_Package): Establish Instantiation source for the copy of
	the generic that is created to represent the formal package.
	(Analyze_Package_Instantiation): Instantiate body immediately if the
	package is a predefined unit that contains inlined subprograms, and
	we are compiling for a Configurable_Run_Time.
	(Instantiate_Formal_Subprogram): Indicate that null default subprogram
	If the program has a null default, generate an empty body for it.

	* sem_ch6.adb, sem_ch9.adb (Analyze_Subprograms_Declaration): Update
	error message condition, null procedures are correctly detected now.
	(New_Overloaded_Entity): Bypass trivial overriding indicator check
	for subprograms in the context of protected types. Instead, the
	indicator is examined in Sem_Ch9 while analysing the subprogram
	declaration.
	(Check_Overriding_Indicator): Check consistency of overriding indicator
	on subprogram stubs as well.
	(Analyze_Subprogram_Declaration): Diagnose null procedures declared at
	the library level.
	(Analize_Subprogram_Specification): When analyzing a subprogram in which
	the type of the first formal is a concurrent type, replace this type
	by the corresponding record type.
	(Analyze_Subprogram_Body): Undo the previous work.
	(Analyze_Procedure_Call): If the call has the form Object.Op, the
	analysis of the prefix ends up analyzing the call itself, after which
	we are done.
	(Has_Interface_Formals): New subprogram subsidiary to analyze
	subprogram_specification that returns true if some non
	class-wide interface subprogram is found
	(New_Overloaded_Entity): Modified to give support to abstract
	interface types
	(Conforming_Types): In Ada 2005 mode, conformance checking of anonymous
	access to subprograms must be recursive.
	(Is_Unchecked_Conversion): Improve the test that recognizes
	instantiations of Unchecked_Conversion, and allows them in bodies that
	are to be inlined by the front-end. When the body comes from an
	instantiation, a reference to Unchecked_Conversion will be an
	Expanded_Name, even though the body has not been analyzed yet.
	Replace Is_Overriding and Not_Overriding in subprogram_indication with
	Must_Override and Must_Not_Override, to better express intent of AI.
	(Analyze_Subprogram_Body): If an overriding indicator is given, check
	that it is consistent with the overrinding status of the subprogram
	at this point.
	(Analyze_Subprogram_Declaration): Indicate that a null procedure is
	always inlined.
	If the subprogram is a null procedure, indicate that it does not need
	a completion.

	* sem_disp.adb (Check_Controlling_Type): Give support to entities
	available through limited-with clauses.
	(Check_Dispatching_Operation): A stub acts like a body, and therefore is
	allowed as the last primitive of a tagged type if it has no previous
	spec.
	(Override_Dispatching_Operation, Check_Dispatching_Operation): Modified
	to give support to abstract interface types

	* sem_res.adb (Valid_Conversion): Perform an accessibility level check
	in the case where the target type is an anonymous access type of an
	object or component (that is, when Is_Local_Anonymous_Access is true).
	Prevent the special checks for conversions of access discriminants in
	the case where the discriminant belongs to a nonlimited type, since
	such discriminants have their accessibility level defined in the same
	way as a normal component of an anonymous access type.
	(Resolve_Allocator): When an allocator's designated type is a class-wide
	type, check that the accessibility level of type given in the
	allocator's expression or subtype indication is not statically deeper
	than the level of the allocator's access type.
	(Check_Discriminant_Use): Diagnose discriminant given by an expanded
	name in a discriminant constraint of a record component.
	(Resolve_Explicit_Dereference): Do not check whether the type is
	incomplete when the dereference is a use of an access discriminant in
	an initialization procedure.
	(Resolve_Type_Conversion): Handle conversions to abstract interface
	types.
	(Valid_Tagged_Conversion): The conversion of a tagged type to an
	abstract interface type is always valid.
	(Valid_Conversion): Modified to give support to abstract interface types
	(Resolve_Actuals): Enable full error reporting on view conversions
	between unrelated by_reference array types.
	The rule for view conversions of arrays with aliased components is
	weakened in Ada 2005.
	Call to obsolescent subprogram is now considered to be a violation of
	pragma Restrictions (No_Obsolescent_Features).
	(Check_Direct_Boolean_Operator): If the boolean operation has been
	constant-folded, there is nothing to check.
	(Resolve_Comparison_Op, Resolve_Equality_Op, Resolve_Boolean_Op): Defer
	check on possible violation of restriction No_Direct_Boolean_Operators
	until after expansion of operands, to prevent spurious errors when
	operation is constant-folded.

	* sem_type.ads, sem_type.adb (Covers, Intersect_Types, Specific_Type,
	Has_Compatible_Type): Modified to give support to abstract interface
	types.
	(Interface_Present_In_Ancestor): New function to theck if some ancestor
	of a given type implements a given interface

	* sem_ch4.adb (Analyze_Call): Handle properly an indirect call whose
	prefix is a parameterless function that returns an access_to_procedure.
	(Transform_Object_Operation): Handle properly function calls of the
	form Obj.Op (X), which prior to analysis appear as indexed components.
	(Analyze_One_Call): Complete the error notification to help new Ada
	2005 users.
	(Analyze_Allocator): For an allocator without an initial value, where
	the designated type has a constrained partial view, a discriminant
	constraint is illegal.

From-SVN: r101024

2004-07-06  Vincent Celier  <celier@gnat.com>

	* vms_conv.ads: Minor reformatting.
	Alphabetical order for enumerated values of type Command_Type, to have
	the command in alphabetical order for the usage.

	* vms_conv.adb (Process_Argument): Set Keep_Temporary_Files to True for
	the special qualifier /KEEP_TEMPORARY_FILES (minimum 6 characters).

	* gnat_ugn.texi: Document new switch -dn for the GNAT driver.

	* makegpr.adb (Global_Archive_Exists): New global Boolean variable
	(Add_Archive_Path): Only add the global archive if there is one.
	(Build_Global_Archive): Set Global_Archive_Exists depending if there is
	or not any object file to put in the global archive, and don't build
	a global archive if there is none.
	(X_Switches): New table
	(Compile_Link_With_Gnatmake): Pass to gnatmake the -X switches stored
	in the X_Switches table, if any.
	(Initialize): Make sure the X_Switches table is empty
	(Scan_Arg): Record -X switches in table X_Switches

	* opt.ads (Keep_Temporary_Files): New Boolean flag, defaulted to False.

	* make.adb: Minor comment fix

	* gnatname.adb (Gnatname): When not on VMS, and gnatname has been
	invoked with directory information, add the directory in front of the
	path.

	* gnatchop.adb (Gnatchop): When not on VMS, and gnatchop has been
	invoked with directory information, add the directory in front of the
	path.

	* gnatcmd.adb (Delete_Temp_Config_Files): Only delete temporary files
	when Keep_Temporary_Files is False.
	(GNATCmd): When not on VMS, and the GNAT driver has been invoked with
	directory information, add the directory in front of the path.
	When not on VMS, handle new switch -dn before the command to set
	Keep_Temporary_Files to True.
	(Non_VMS_Usage): Use lower case for the non VMS usage: this is valid
	everywhere.

	* gnatlink.adb (Gnatlink): When not on VMS, and gnatlink has been
	invoked with directory information, add the directory in front of the
	path.

2004-07-06  Thomas Quinot  <quinot@act-europe.fr>

	* snames.ads, snames.adb (Name_Stub): New name for the distributed
	systems annex.

	* rtsfind.ads: New RTE TC_Object, for DSA/PolyORB.
	New RTEs RAS_Proxy_Type and RAS_Proxy_Type_Access, for DSA.

	* g-socket.adb (To_Timeval): Fix incorrect conversion of
	Selector_Duration to Timeval for the case of 0.0.

	* exp_util.ads (Evolve_Or_Else): Fix overenthusiastic copy/paste of
	documentation from Evolve_And_Then.

2004-07-06  Jose Ruiz  <ruiz@act-europe.fr>

	* s-taprop-tru64.adb, s-taprop-os2.adb,
	s-taprop-mingw.adb, s-taprop-posix.adb: Update comment.

2004-07-06  Robert Dewar  <dewar@gnat.com>

	* s-osinte-hpux.ads, s-osinte-freebsd.ads,
	s-osinte-lynxos.ads, s-taprop-lynxos.adb, s-osinte-tru64.ads,
	s-osinte-aix.ads, s-osinte-irix.ads, s-taprop-irix.adb,
	s-interr-sigaction.adb, s-taprop-irix-athread.adb,
	s-osinte-hpux-dce.adb, s-taprop-hpux-dce.adb,
	s-taprop-linux.adb, s-taprop-dummy.adb, s-taprop-solaris.adb,
	s-interr-vms.adb, s-osinte-vms.ads, s-taprop-vms.adb,
	s-osinte-vxworks.ads, s-osprim-vxworks.adb, a-numaux-x86.adb,
	a-except.adb, a-exexpr.adb, a-intsig.adb, a-tags.adb,
	a-tags.ads, bindgen.ads, checks.adb, checks.adb,
	csets.ads, einfo.ads, einfo.ads, elists.adb, exp_ch4.adb,
	exp_ch7.adb, exp_dist.adb, exp_util.adb, freeze.adb,
	g-dynhta.adb, gnatmem.adb, g-regexp.adb, inline.adb,
	i-os2thr.ads, osint.adb, prj.adb, scng.adb, sem_cat.adb,
	sem_ch10.adb, sem_ch12.adb, sem_ch4.adb, sem_ch7.adb,
	sem_ch8.adb, sem_disp.adb, sem_prag.adb, sem_res.adb,
	sem_type.adb, sem_type.ads, sem_warn.adb, s-ficobl.ads,
	s-finimp.adb, s-htable.adb, sinfo.ads, sinput-l.ads,
	s-interr.adb, s-interr.ads, sprint.adb, s-tarest.adb,
	s-tasini.ads, s-taskin.ads, s-taskin.ads, uname.adb,
	vms_data.ads: Minor reformatting,
	Fix bad box comment format.

	* gnat_rm.texi: Fix minor grammatical error

	* sem_attr.adb, exp_attr.adb: New attribute Has_Access_Values

	* sem_util.ads, sem_util.adb (Requires_Transient_Scope): Allow many
	more cases of discriminated records to be recognized as not needing a
	secondary stack.
	(Has_Access_Values): New function.

	* snames.h, snames.adb, snames.ads: New attribute Has_Access_Values

	* cstand.adb, layout.ads, layout.adb, sem_ch13.ads: Change name
	Set_Prim_Alignment to Set_Elem_Alignment (more accurate correspondence
	with LRM terminology).
	Change terminology in comments primitive type => elementary type.

2004-07-06  Ed Schonberg  <schonberg@gnat.com>

	PR ada/15602
	* sem_ch7.adb (Unit_Requires_Body): For a generic package, the formal
	parameters do not impose any requirements on the presence of a body.

2004-07-06  Ed Schonberg  <schonberg@gnat.com>

	PR ada/15593
	* sem_ch12.adb (Analyze_Package_Instantiation): If the generic is not a
	compilation unit and is in an open scope at the point of instantiation,
	assume that a body may be present later.

2004-07-06  Ed Schonberg  <schonberg@gnat.com>

	* sem_ch13.adb (Analyze_Attribute_Definition_Clause, case 'Size):
	Improve error message when specified size is not supported.

	* sem_ch6.adb (Maybe_Primitive_Operation): A library-level subprogram
	is never a primitive operation.

From-SVN: r84152

2003-10-21  Arnaud Charlet  <charlet@act-europe.fr>

	* 3psoccon.ads, 3veacodu.adb, 3vexpect.adb, 3vsoccon.ads,
	3vsocthi.adb, 3vsocthi.ads, 3vtrasym.adb, 3zsoccon.ads,
	3zsocthi.adb, 3zsocthi.ads, 50system.ads, 51system.ads,
	55system.ads, 56osinte.adb, 56osinte.ads, 56taprop.adb,
	56taspri.ads, 56tpopsp.adb, 57system.ads, 58system.ads,
	59system.ads, 5aml-tgt.adb, 5bml-tgt.adb, 5csystem.ads,
	5dsystem.ads, 5fosinte.adb, 5gml-tgt.adb, 5hml-tgt.adb,
	5isystem.ads, 5lparame.adb, 5msystem.ads, 5psystem.ads,
	5sml-tgt.adb, 5sosprim.adb, 5stpopsp.adb, 5tsystem.ads,
	5usystem.ads, 5vml-tgt.adb, 5vsymbol.adb, 5vtraent.adb,
	5vtraent.ads, 5wml-tgt.adb, 5xparame.ads, 5xsystem.ads,
	5xvxwork.ads, 5yparame.ads, 5ytiitho.adb, 5zinit.adb,
	5zml-tgt.adb, 5zparame.ads, 5ztaspri.ads, 5ztfsetr.adb,
	5zthrini.adb, 5ztiitho.adb, 5ztpopsp.adb, 7stfsetr.adb,
	7straces.adb, 7strafor.adb, 7strafor.ads, 7stratas.adb,
	a-excach.adb, a-exexda.adb, a-exexpr.adb, a-exextr.adb,
	a-exstat.adb, a-strsup.adb, a-strsup.ads, a-stwisu.adb,
	a-stwisu.ads, bld.adb, bld.ads, bld-io.adb,
	bld-io.ads, clean.adb, clean.ads, ctrl_c.c,
	erroutc.adb, erroutc.ads, errutil.adb, errutil.ads,
	err_vars.ads, final.c, g-arrspl.adb, g-arrspl.ads,
	g-boubuf.adb, g-boubuf.ads, g-boumai.ads, g-bubsor.adb,
	g-bubsor.ads, g-comver.adb, g-comver.ads, g-ctrl_c.ads,
	g-dynhta.adb, g-dynhta.ads, g-eacodu.adb, g-excact.adb,
	g-excact.ads, g-heasor.adb, g-heasor.ads, g-memdum.adb,
	g-memdum.ads, gnatclean.adb, gnatsym.adb, g-pehage.adb,
	g-pehage.ads, g-perhas.ads, gpr2make.adb, gpr2make.ads,
	gprcmd.adb, gprep.adb, gprep.ads, g-semaph.adb,
	g-semaph.ads, g-string.adb, g-string.ads, g-strspl.ads,
	g-wistsp.ads, i-vthrea.adb, i-vthrea.ads, i-vxwoio.adb,
	i-vxwoio.ads, Makefile.generic, Makefile.prolog, Makefile.rtl,
	prep.adb, prep.ads, prepcomp.adb, prepcomp.ads,
	prj-err.adb, prj-err.ads, s-boarop.ads, s-carsi8.adb,
	s-carsi8.ads, s-carun8.adb, s-carun8.ads, s-casi16.adb,
	s-casi16.ads, s-casi32.adb, s-casi32.ads, s-casi64.adb,
	s-casi64.ads, s-casuti.adb, s-casuti.ads, s-caun16.adb,
	s-caun16.ads, s-caun32.adb, s-caun32.ads, s-caun64.adb,
	s-caun64.ads, scng.adb, scng.ads, s-exnint.adb,
	s-exnllf.adb, s-exnlli.adb, s-expint.adb, s-explli.adb,
	s-geveop.adb, s-geveop.ads, s-hibaen.ads, s-htable.adb,
	s-htable.ads, sinput-c.adb, sinput-c.ads, s-memcop.ads,
	socket.c, s-purexc.ads, s-scaval.adb, s-stopoo.adb,
	s-strcom.adb, s-strcom.ads, s-strxdr.adb, s-rident.ads,
	s-thread.adb, s-thread.ads, s-tpae65.adb, s-tpae65.ads,
	s-tporft.adb, s-traent.adb, s-traent.ads, styleg.adb,
	styleg.ads, styleg-c.adb, styleg-c.ads, s-veboop.adb,
	s-veboop.ads, s-vector.ads, symbols.adb, symbols.ads,
	tb-alvms.c, tb-alvxw.c, tempdir.adb, tempdir.ads,
	vms_conv.ads, vms_conv.adb, vms_data.ads,
	vxaddr2line.adb: Files added. Merge with ACT tree.

	* 4dintnam.ads, 4mintnam.ads, 4uintnam.ads, 52system.ads,
	5dosinte.ads, 5etpopse.adb, 5mosinte.ads, 5qosinte.adb,
	5qosinte.ads, 5qstache.adb, 5qtaprop.adb, 5qtaspri.ads,
	5stpopse.adb, 5uintman.adb, 5uosinte.ads, adafinal.c,
	g-enblsp.adb, io-aux.c, scn-nlit.adb, scn-slit.adb,
	s-exnflt.ads, s-exngen.adb, s-exngen.ads, s-exnlfl.ads,
	s-exnlin.ads, s-exnsfl.ads, s-exnsin.ads, s-exnssi.ads,
	s-expflt.ads, s-expgen.adb, s-expgen.ads, s-explfl.ads,
	s-explin.ads, s-expllf.ads, s-expsfl.ads, s-expsin.ads,
	s-expssi.ads, style.adb: Files removed. Merge with ACT tree.

	* 1ic.ads, 31soccon.ads, 31soliop.ads, 3asoccon.ads,
	3bsoccon.ads, 3gsoccon.ads, 3hsoccon.ads, 3ssoccon.ads,
	3ssoliop.ads, 3wsoccon.ads, 3wsocthi.adb, 3wsocthi.ads,
	3wsoliop.ads, 41intnam.ads, 42intnam.ads, 4aintnam.ads,
	4cintnam.ads, 4gintnam.ads, 4hexcpol.adb, 4hintnam.ads,
	4lintnam.ads, 4nintnam.ads, 4ointnam.ads, 4onumaux.ads,
	4pintnam.ads, 4sintnam.ads, 4vcaldel.adb, 4vcalend.adb,
	4vintnam.ads, 4wexcpol.adb, 4wintnam.ads, 4zintnam.ads,
	51osinte.adb, 51osinte.ads, 52osinte.adb, 52osinte.ads,
	53osinte.ads, 54osinte.ads, 5aosinte.adb, 5aosinte.ads,
	5asystem.ads, 5ataprop.adb, 5atasinf.ads, 5ataspri.ads,
	5atpopsp.adb, 5avxwork.ads, 5bosinte.adb, 5bosinte.ads,
	5bsystem.ads, 5cosinte.ads, 5esystem.ads, 5fintman.adb,
	5fosinte.ads, 5fsystem.ads, 5ftaprop.adb, 5ftasinf.ads,
	5ginterr.adb, 5gintman.adb, 5gmastop.adb, 5gosinte.ads,
	5gproinf.ads, 5gsystem.ads, 5gtaprop.adb, 5gtasinf.ads,
	5gtpgetc.adb, 5hosinte.adb, 5hosinte.ads, 5hsystem.ads,
	5htaprop.adb, 5htaspri.ads, 5htraceb.adb, 5iosinte.adb,
	5itaprop.adb, 5itaspri.ads, 5ksystem.ads, 5kvxwork.ads,
	5lintman.adb, 5lml-tgt.adb, 5losinte.ads, 5lsystem.ads,
	5mvxwork.ads, 5ninmaop.adb, 5nintman.adb, 5nosinte.ads,
	5ntaprop.adb, 5ntaspri.ads, 5ointerr.adb, 5omastop.adb,
	5oosinte.adb, 5oosinte.ads, 5oosprim.adb, 5oparame.adb,
	5osystem.ads, 5otaprop.adb, 5otaspri.ads, 5posinte.ads,
	5posprim.adb, 5pvxwork.ads, 5sintman.adb, 5sosinte.adb,
	5sosinte.ads, 5ssystem.ads, 5staprop.adb, 5stasinf.ads,
	5staspri.ads, 5svxwork.ads, 5tosinte.ads, 5vasthan.adb,
	5vinmaop.adb, 5vinterr.adb, 5vintman.adb, 5vintman.ads,
	5vmastop.adb, 5vosinte.adb, 5vosinte.ads, 5vosprim.adb,
	5vsystem.ads, 5vtaprop.adb, 5vtaspri.ads, 5vtpopde.adb,
	5vtpopde.ads, 5wgloloc.adb, 5wintman.adb, 5wmemory.adb,
	5wosprim.adb, 5wsystem.ads, 5wtaprop.adb, 5wtaspri.ads,
	5ysystem.ads, 5zinterr.adb, 5zintman.adb, 5zosinte.adb,
	5zosinte.ads, 5zosprim.adb, 5zsystem.ads, 5ztaprop.adb,
	6vcpp.adb, 6vcstrea.adb, 6vinterf.ads, 7sinmaop.adb,
	7sintman.adb, 7sosinte.adb, 7sosprim.adb, 7staprop.adb,
	7staspri.ads, 7stpopsp.adb, 7straceb.adb, 9drpc.adb,
	a-caldel.adb, a-caldel.ads, a-charac.ads, a-colien.ads,
	a-comlin.adb, adaint.c, adaint.h, ada-tree.def,
	a-diocst.adb, a-diocst.ads, a-direio.adb, a-except.adb,
	a-except.ads, a-excpol.adb, a-exctra.adb, a-exctra.ads,
	a-filico.adb, a-interr.adb, a-intsig.adb, a-intsig.ads,
	ali.adb, ali.ads, ali-util.adb, ali-util.ads,
	a-ngcefu.adb, a-ngcoty.adb, a-ngelfu.adb, a-nudira.adb,
	a-nudira.ads, a-nuflra.adb, a-nuflra.ads, a-reatim.adb,
	a-reatim.ads, a-retide.ads, a-sequio.adb, a-siocst.adb,
	a-siocst.ads, a-ssicst.adb, a-ssicst.ads, a-strbou.adb,
	a-strbou.ads, a-strfix.adb, a-strmap.adb, a-strsea.ads,
	a-strunb.adb, a-strunb.ads, a-ststio.adb, a-stunau.adb,
	a-stunau.ads, a-stwibo.adb, a-stwibo.ads, a-stwifi.adb,
	a-stwima.adb, a-stwiun.adb, a-stwiun.ads, a-tags.adb,
	a-tags.ads, a-tasatt.adb, a-taside.adb, a-teioed.adb,
	a-textio.adb, a-textio.ads, a-tienau.adb, a-tifiio.adb,
	a-tiflau.adb, a-tiflio.adb, a-tigeau.adb, a-tigeau.ads,
	a-tiinau.adb, a-timoau.adb, a-tiocst.adb, a-tiocst.ads,
	atree.adb, atree.ads, a-witeio.adb, a-witeio.ads,
	a-wtcstr.adb, a-wtcstr.ads, a-wtdeio.adb, a-wtedit.adb,
	a-wtenau.adb, a-wtflau.adb, a-wtinau.adb, a-wtmoau.adb,
	bcheck.adb, binde.adb, bindgen.adb, bindusg.adb,
	checks.adb, checks.ads, cio.c, comperr.adb,
	comperr.ads, csets.adb, cstand.adb, cstreams.c,
	debug_a.adb, debug_a.ads, debug.adb, decl.c,
	einfo.adb, einfo.ads, errout.adb, errout.ads,
	eval_fat.adb, eval_fat.ads, exp_aggr.adb, expander.adb,
	expander.ads, exp_attr.adb, exp_ch11.adb, exp_ch13.adb,
	exp_ch2.adb, exp_ch3.adb, exp_ch3.ads, exp_ch4.adb,
	exp_ch5.adb, exp_ch6.adb, exp_ch7.adb, exp_ch7.ads,
	exp_ch8.adb, exp_ch9.adb, exp_code.adb, exp_dbug.adb,
	exp_dbug.ads, exp_disp.adb, exp_dist.adb, expect.c,
	exp_fixd.adb, exp_imgv.adb, exp_intr.adb, exp_pakd.adb,
	exp_prag.adb, exp_strm.adb, exp_strm.ads, exp_tss.adb,
	exp_tss.ads, exp_util.adb, exp_util.ads, exp_vfpt.adb,
	fe.h, fmap.adb, fmap.ads, fname.adb,
	fname.ads, fname-uf.adb, fname-uf.ads, freeze.adb,
	freeze.ads, frontend.adb, g-awk.adb, g-awk.ads,
	g-busora.adb, g-busora.ads, g-busorg.adb, g-busorg.ads,
	g-casuti.adb, g-casuti.ads, g-catiio.adb, g-catiio.ads,
	g-cgi.adb, g-cgi.ads, g-cgicoo.adb, g-cgicoo.ads,
	g-cgideb.adb, g-cgideb.ads, g-comlin.adb, g-comlin.ads,
	g-crc32.adb, g-crc32.ads, g-debpoo.adb, g-debpoo.ads,
	g-debuti.adb, g-debuti.ads, g-diopit.adb, g-diopit.ads,
	g-dirope.adb, g-dirope.ads, g-dyntab.adb, g-dyntab.ads,
	g-except.ads, g-exctra.adb, g-exctra.ads, g-expect.adb,
	g-expect.ads, g-hesora.adb, g-hesora.ads, g-hesorg.adb,
	g-hesorg.ads, g-htable.adb, g-htable.ads, gigi.h,
	g-io.adb, g-io.ads, g-io_aux.adb, g-io_aux.ads,
	g-locfil.adb, g-locfil.ads, g-md5.adb, g-md5.ads,
	gmem.c, gnat1drv.adb, gnatbind.adb, gnatchop.adb,
	gnatcmd.adb, gnatfind.adb, gnatkr.adb, gnatlbr.adb,
	gnatlink.adb, gnatls.adb, gnatmake.adb, gnatmem.adb,
	gnatname.adb, gnatprep.adb, gnatprep.ads, gnatpsta.adb,
	gnatxref.adb, g-os_lib.adb, g-os_lib.ads, g-regexp.adb,
	g-regexp.ads, g-regist.adb, g-regist.ads, g-regpat.adb,
	g-regpat.ads, g-soccon.ads, g-socket.adb, g-socket.ads,
	g-socthi.adb, g-socthi.ads, g-soliop.ads, g-souinf.ads,
	g-speche.adb, g-speche.ads, g-spipat.adb, g-spipat.ads,
	g-spitbo.adb, g-spitbo.ads, g-sptabo.ads, g-sptain.ads,
	g-sptavs.ads, g-table.adb, g-table.ads, g-tasloc.adb,
	g-tasloc.ads, g-thread.adb, g-thread.ads, g-traceb.adb,
	g-traceb.ads, g-trasym.adb, g-trasym.ads, hostparm.ads,
	i-c.ads, i-cobol.adb, i-cpp.adb, i-cstrea.ads,
	i-cstrin.adb, i-cstrin.ads, impunit.adb, init.c,
	inline.adb, interfac.ads, i-pacdec.ads, itypes.adb,
	itypes.ads, i-vxwork.ads, lang.opt, lang-specs.h,
	layout.adb, lib.adb, lib.ads, lib-list.adb,
	lib-load.adb, lib-load.ads, lib-sort.adb, lib-util.adb,
	lib-writ.adb, lib-writ.ads, lib-xref.adb, lib-xref.ads,
	link.c, live.adb, make.adb, make.ads,
	Makefile.adalib, Makefile.in, Make-lang.in, makeusg.adb,
	mdll.adb, mdll-fil.adb, mdll-fil.ads, mdll-utl.adb,
	mdll-utl.ads, memroot.adb, memroot.ads, memtrack.adb,
	misc.c, mkdir.c, mlib.adb, mlib.ads,
	mlib-fil.adb, mlib-fil.ads, mlib-prj.adb, mlib-prj.ads,
	mlib-tgt.adb, mlib-tgt.ads, mlib-utl.adb, mlib-utl.ads,
	namet.adb, namet.ads, namet.h, nlists.ads,
	nlists.h, nmake.adt, opt.adb, opt.ads,
	osint.adb, osint.ads, osint-b.adb, osint-c.adb,
	par.adb, par-ch10.adb, par-ch11.adb, par-ch2.adb,
	par-ch3.adb, par-ch4.adb, par-ch5.adb, par-ch6.adb,
	par-ch9.adb, par-endh.adb, par-labl.adb, par-load.adb,
	par-prag.adb, par-sync.adb, par-tchk.adb, par-util.adb,
	prj.adb, prj.ads, prj-attr.adb, prj-attr.ads,
	prj-com.adb, prj-com.ads, prj-dect.adb, prj-dect.ads,
	prj-env.adb, prj-env.ads, prj-ext.adb, prj-ext.ads,
	prj-makr.adb, prj-makr.ads, prj-nmsc.adb, prj-nmsc.ads,
	prj-pars.adb, prj-pars.ads, prj-part.adb, prj-part.ads,
	prj-pp.adb, prj-pp.ads, prj-proc.adb, prj-proc.ads,
	prj-strt.adb, prj-strt.ads, prj-tree.adb, prj-tree.ads,
	prj-util.adb, prj-util.ads, raise.c, raise.h,
	repinfo.adb, repinfo.h, restrict.adb, restrict.ads,
	rident.ads, rtsfind.adb, rtsfind.ads, s-addima.ads,
	s-arit64.adb, s-assert.adb, s-assert.ads, s-atacco.adb,
	s-atacco.ads, s-auxdec.adb, s-auxdec.ads, s-bitops.adb,
	scans.ads, scn.adb, scn.ads, s-crc32.adb,
	s-crc32.ads, s-direio.adb, sem.adb, sem.ads,
	sem_aggr.adb, sem_attr.adb, sem_attr.ads, sem_case.adb,
	sem_case.ads, sem_cat.adb, sem_cat.ads, sem_ch10.adb,
	sem_ch11.adb, sem_ch12.adb, sem_ch12.ads, sem_ch13.adb,
	sem_ch13.ads, sem_ch3.adb, sem_ch3.ads, sem_ch4.adb,
	sem_ch5.adb, sem_ch5.ads, sem_ch6.adb, sem_ch6.ads,
	sem_ch7.adb, sem_ch7.ads, sem_ch8.adb, sem_ch8.ads,
	sem_ch9.adb, sem_disp.adb, sem_disp.ads, sem_dist.adb,
	sem_elab.adb, sem_eval.adb, sem_eval.ads, sem_intr.adb,
	sem_maps.adb, sem_mech.adb, sem_prag.adb, sem_prag.ads,
	sem_res.adb, sem_res.ads, sem_type.adb, sem_type.ads,
	sem_util.adb, sem_util.ads, sem_warn.adb, s-errrep.adb,
	s-errrep.ads, s-exctab.adb, s-exctab.ads, s-exnint.ads,
	s-exnllf.ads, s-exnlli.ads, s-expint.ads, s-explli.ads,
	s-expuns.ads, s-fatflt.ads, s-fatgen.adb, s-fatgen.ads,
	s-fatlfl.ads, s-fatllf.ads, s-fatsfl.ads, s-fileio.adb,
	s-fileio.ads, s-finimp.adb, s-finimp.ads, s-finroo.adb,
	s-finroo.ads, sfn_scan.adb, s-gloloc.adb, s-gloloc.ads,
	s-imgdec.adb, s-imgenu.adb, s-imgrea.adb, s-imgwch.adb,
	sinfo.adb, sinfo.ads, s-inmaop.ads, sinput.adb,
	sinput.ads, sinput-d.adb, sinput-l.adb, sinput-l.ads,
	sinput-p.adb, sinput-p.ads, s-interr.adb, s-interr.ads,
	s-intman.ads, s-maccod.ads, s-mastop.adb, s-mastop.ads,
	s-memory.adb, s-memory.ads, snames.adb, snames.ads,
	snames.h, s-osprim.ads, s-parame.ads, s-parint.ads,
	s-pooloc.adb, s-pooloc.ads, s-poosiz.adb, sprint.adb,
	s-proinf.ads, s-scaval.ads, s-secsta.adb, s-secsta.ads,
	s-sequio.adb, s-shasto.adb, s-shasto.ads, s-soflin.ads,
	s-stache.adb, s-stache.ads, s-stalib.adb, s-stalib.ads,
	s-stoele.ads, s-stopoo.ads, s-stratt.adb, s-stratt.ads,
	s-strops.adb, s-strops.ads, s-taasde.adb, s-taasde.ads,
	s-tadeca.adb, s-tadeca.ads, s-tadert.adb, s-tadert.ads,
	s-taenca.adb, s-taenca.ads, s-taprob.adb, s-taprob.ads,
	s-taprop.ads, s-tarest.adb, s-tarest.ads, s-tasdeb.adb,
	s-tasdeb.ads, s-tasinf.adb, s-tasinf.ads, s-tasini.adb,
	s-tasini.ads, s-taskin.adb, s-taskin.ads, s-tasque.adb,
	s-tasque.ads, s-tasren.adb, s-tasren.ads, s-tasres.ads,
	s-tassta.adb, s-tassta.ads, s-tasuti.adb, s-tasuti.ads,
	s-tataat.adb, s-tataat.ads, s-tpinop.adb, s-tpinop.ads,
	s-tpoben.adb, s-tpoben.ads, s-tpobop.adb, s-tpobop.ads,
	s-tposen.adb, s-tposen.ads, s-traceb.adb, s-traceb.ads,
	stringt.adb, stringt.ads, stringt.h, style.ads,
	stylesw.adb, stylesw.ads, s-unstyp.ads, s-vaflop.ads,
	s-valrea.adb, s-valuti.adb, s-vercon.adb, s-vmexta.adb,
	s-wchcnv.ads, s-wchcon.ads, s-widcha.adb, switch.adb,
	switch.ads, switch-b.adb, switch-c.adb, switch-m.adb,
	s-wwdcha.adb, s-wwdwch.adb, sysdep.c, system.ads,
	table.adb, table.ads, targparm.adb, targparm.ads,
	targtyps.c, tbuild.adb, tbuild.ads, tracebak.c,
	trans.c, tree_io.adb, treepr.adb, treeprs.adt,
	ttypes.ads, types.ads, types.h, uintp.adb,
	uintp.ads, uintp.h, uname.adb, urealp.adb,
	urealp.ads, urealp.h, usage.adb, utils2.c,
	utils.c, validsw.adb, validsw.ads, widechar.adb,
	xeinfo.adb, xnmake.adb, xref_lib.adb, xref_lib.ads,
	xr_tabls.adb, xr_tabls.ads, xtreeprs.adb, xsnames.adb,
	einfo.h, sinfo.h, treeprs.ads, nmake.ads, nmake.adb,
	gnatvsn.ads: Merge with ACT tree.

	* gnatvsn.adb: Rewritten in a simpler and more efficient way.

From-SVN: r72751

	* 1aexcept.adb, 1aexcept.ads, 1ic.ads, 1ssecsta.adb,
	1ssecsta.ads, 31soccon.ads, 31soliop.ads, 3asoccon.ads,
	3bsoccon.ads, 3gsoccon.ads, 3hsoccon.ads, 3ssoccon.ads,
	3ssoliop.ads, 3wsoccon.ads, 3wsocthi.adb, 3wsocthi.ads,
	3wsoliop.ads, 41intnam.ads, 42intnam.ads, 4aintnam.ads,
	4cintnam.ads, 4dintnam.ads, 4gintnam.ads, 4hexcpol.adb,
	4hintnam.ads, 4lintnam.ads, 4mintnam.ads, 4nintnam.ads,
	4ointnam.ads, 4onumaux.ads, 4pintnam.ads, 4rintnam.ads,
	4sintnam.ads, 4uintnam.ads, 4vcaldel.adb, 4vcalend.adb,
	4vcalend.ads, 4vintnam.ads, 4wcalend.adb, 4wexcpol.adb,
	4wintnam.ads, 4zintnam.ads, 4znumaux.ads, 4zsytaco.adb,
	4zsytaco.ads, 51osinte.adb, 51osinte.ads, 52osinte.adb,
	52osinte.ads, 52system.ads, 53osinte.ads, 54osinte.ads,
	5amastop.adb, 5aosinte.adb, 5aosinte.ads, 5asystem.ads,
	5ataprop.adb, 5atasinf.ads, 5ataspri.ads, 5atpopsp.adb,
	5avxwork.ads, 5bosinte.adb, 5bosinte.ads, 5bsystem.ads,
	5cosinte.ads, 5dosinte.ads, 5esystem.ads, 5etpopse.adb,
	5fintman.adb, 5fosinte.ads, 5fsystem.ads, 5ftaprop.adb,
	5ftasinf.ads, 5ginterr.adb, 5gintman.adb, 5gmastop.adb,
	5gosinte.ads, 5gproinf.adb, 5gproinf.ads, 5gsystem.ads,
	5gtaprop.adb, 5gtasinf.adb, 5gtasinf.ads, 5gtpgetc.adb,
	5hosinte.adb, 5hosinte.ads, 5hparame.ads, 5hsystem.ads,
	5htaprop.adb, 5htaspri.ads, 5htraceb.adb, 5iosinte.adb,
	5iosinte.ads, 5itaprop.adb, 5itaspri.ads, 5ksystem.ads,
	5kvxwork.ads, 5lintman.adb, 5lml-tgt.adb, 5losinte.ads,
	5lsystem.ads, 5mosinte.ads, 5mvxwork.ads, 5ninmaop.adb,
	5nintman.adb, 5nosinte.ads, 5ntaprop.adb, 5ntaspri.ads,
	5ointerr.adb, 5omastop.adb, 5oosinte.adb, 5oosinte.ads,
	5oosprim.adb, 5oparame.adb, 5osystem.ads, 5otaprop.adb,
	5otaspri.ads, 5posinte.ads, 5posprim.adb, 5pvxwork.ads,
	5qosinte.adb, 5qosinte.ads, 5qstache.adb, 5qtaprop.adb,
	5qtaspri.ads, 5rosinte.adb, 5rosinte.ads, 5rparame.adb,
	5sintman.adb, 5sosinte.adb, 5sosinte.ads, 5sparame.adb,
	5ssystem.ads, 5staprop.adb, 5stasinf.adb, 5stasinf.ads,
	5staspri.ads, 5stpopse.adb, 5svxwork.ads, 5tosinte.ads,
	5uintman.adb, 5uosinte.ads, 5vasthan.adb, 5vinmaop.adb,
	5vinterr.adb, 5vintman.adb, 5vintman.ads, 5vmastop.adb,
	5vosinte.adb, 5vosinte.ads, 5vosprim.adb, 5vosprim.ads,
	5vparame.ads, 5vsystem.ads, 5vtaprop.adb, 5vtaspri.ads,
	5vtpopde.adb, 5vtpopde.ads, 5vvaflop.adb, 5wgloloc.adb,
	5wintman.adb, 5wmemory.adb, 5wosinte.ads, 5wosprim.adb,
	5wsystem.ads, 5wtaprop.adb, 5wtaspri.ads, 5ysystem.ads,
	5zinterr.adb, 5zintman.adb, 5zosinte.adb, 5zosinte.ads,
	5zosprim.adb, 5zsystem.ads, 5ztaprop.adb, 6vcpp.adb,
	6vcstrea.adb, 6vinterf.ads, 7sinmaop.adb, 7sintman.adb,
	7sosinte.adb, 7sosprim.adb, 7staprop.adb, 7staspri.ads,
	7stpopsp.adb, 7straceb.adb, 86numaux.adb, 86numaux.ads,
	9drpc.adb, a-astaco.adb, a-astaco.ads, a-caldel.adb,
	a-caldel.ads, a-calend.adb, a-calend.ads, a-chahan.adb,
	a-chahan.ads, a-charac.ads, a-chlat1.ads, a-chlat9.ads,
	a-colien.adb, a-colien.ads, a-colire.adb, a-colire.ads,
	a-comlin.adb, a-comlin.ads, a-cwila1.ads, a-cwila9.ads,
	a-decima.adb, a-decima.ads, a-diocst.adb, a-diocst.ads,
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	xr_tabls.adb, xr_tabls.ads, xref_lib.adb, xref_lib.ads,
	xsinfo.adb, xsnames.adb, xtreeprs.adb : Merge header,
	formatting and other trivial changes from ACT.

From-SVN: r66044

Nathanael Nerode  <neroden@gcc.gnu.org>
	PR ada/6919 (forward port of patch for PR ada/5904)
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	tree_in.adb tree_in.ads tree_io.adb tree_io.ads treepr.adb
	treepr.ads treeprs.ads treeprs.adt ttypef.ads ttypes.ads
	types.adb types.ads types.h uintp.adb uintp.ads uintp.h
	uname.adb uname.ads urealp.adb urealp.ads urealp.h usage.adb
	usage.ads utils.c utils2.c validsw.adb validsw.ads
	widechar.adb widechar.ads xeinfo.adb xnmake.adb xr_tabls.adb
	xr_tabls.ads xref_lib.adb xref_lib.ads xsinfo.adb xsnames.adb
	xtreeprs.adb: Correct statements in comments about maintainership
	of GNAT.

From-SVN: r58442

	* xeinfo.adb: Don't look for revision numbers.
	* xnmake.adb: Likewise.
	* xsinfo.adb: Likewise.
	* xsnames.adb: Likewise.
	* xtreeprs.adb: Likewise.

From-SVN: r50768

From-SVN: r45959