gnatlink.adb (Process_Binder_File): If -shared is specified, invoke gcc to link with option -shared-libgcc.

2006-02-13  Vincent Celier  <celier@adacore.com>

	* gnatlink.adb (Process_Binder_File): If -shared is specified, invoke
	gcc to link with option -shared-libgcc.
	(Gnatlink): Remove duplicate switches -shared-libgcc

From-SVN: r111046

2006-02-13  Joel Brobecker  <brobecke@adacore.com>

	* bindgen.adb (Gen_Main_C): declare the ensure_reference variable as
	volatile, to tell the compiler to preserve this variable at any level
	of optimization.
	(Gen_Versions_Ada): Temporarily work around codegen bug.

From-SVN: r111045

2006-02-13  Vincent Celier  <celier@adacore.com>

	* back_end.adb (Scan_Compiler_Arguments): Check if
	Search_Directory_Present is True and, if it is, add the argument in
	the source search directory path.

	* switch-c.adb (Scan_Front_End_Switches): Accept switch "-I". Set
	Search_Directory_Present to True.

From-SVN: r111044

2006-02-13  Geert Bosch  <bosch@adacore.com>
	    Gary Dismukes  <dismukes@adacore.com>

	* a-tifiio.adb (Put_Digits): Test Last against To'First - 1 instead of
	0, since the lower bound of the actual string may be greater than one.

	PR ada/20753

	(Put): Fix condition to raise Layout_Error when invalid
	layout is requested.

From-SVN: r111043

2006-02-13  Robert Dewar  <dewar@adacore.com>

	* rtsfind.adb, exp_prag.adb, lib-writ.adb, par-labl.adb, 
	sem_case.adb: Minor code reorganization (not Present should be No)

From-SVN: r111042

2006-02-13  Hristian Kirtchev  <kirtchev@adacore.com>

	* a-tiboio.adb, a-tiboio.ads, a-wwboio.adb,
	a-wwboio.ads, a-zzboio.adb, a-zzboio.ads:  New files.

	* impunit.adb, Makefile.rtl: Added new Ada 2005 units.

From-SVN: r111041

2006-02-13  Pat Rogers  <rogers@adacore.com>

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

From-SVN: r111040

2006-02-13  Nicolas Roche  <roche@adacore.com>

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

From-SVN: r111039

2006-02-13  Robert Dewar  <dewar@adacore.com>

	* a-ticoio.ads, a-ticoio.adb: Add use clause (moved here from spec)

	* a-coteio.ads, a-lcteio.ads, a-llctio.ads, a-scteio.ads: New files.

From-SVN: r111038

2006-02-13  Eric Botcazou  <ebotcazou@adacore.com>

	* lang.opt: Wvariadic-macros: New option.
	Wold-style-definition: Likewise.
	Wmissing-format-attribute: Likewise.

	* misc.c (gnat_handle_option): New cases for -Wvariadic-macros,
	-Wold-style-definition and -Wmissing-format-attribute.

From-SVN: r111037

2006-02-13  Matthew Heaney  <heaney@adacore.com>

	* a-cgcaso.adb, a-cgaaso.adb: Implemented using heapsort instead of
	quicksort.

From-SVN: r111036

2006-02-13  Matthew Heaney  <heaney@adacore.com>

	* a-rbtgso.adb, a-crbtgo.adb, a-crbtgk.adb, a-coorse.adb, 
	a-cohama.adb, a-ciorse.adb, a-cihama.adb, a-cihase.adb, 
	a-cohase.adb: All explicit raise statements now include an exception
	message.

	* a-ciormu.ads, a-ciormu.adb, a-coormu.ads, a-coormu.adb
	(Update_Element_Preserving_Key): renamed op to just Update_Element.
	Explicit raise statements now include an exception message

	* a-cihase.ads, a-cohase.ads: Removed comment.

	* a-stboha.ads, a-stboha.adb, a-stfiha.ads, a-envvar.adb,
	a-envvar.ads, a-swbwha.ads, a-swbwha.adb, a-swfwha.ads, a-szbzha.ads,
	a-szbzha.adb, a-szfzha.ads: New files.

From-SVN: r111035

	* s-parame-mingw.adb, s-parame-linux.adb,
	s-parame-solaris.adb: Removed, replaced by s-parame.adb

	* s-parame-vxworks.ads: Fix typo.

	* s-parame-vxworks.adb: New file.

	* s-parame.adb: Version now used by all native platforms.
	(Default_Stack_Size): Use 2 megs for default stack size and use
	__gl_default_stack_size when available.
	(Minimum_Stack_Size): Use 12K.

	* s-taprop-mingw.adb: Set default stack size linker switch to 2megs.
	(Create_Task): Refine implementation taking advantage of the XP stack
	size support. On XP, we now create the thread using the flag
	STACK_SIZE_PARAM_IS_A_RESERVATION.

	* s-osinte-mingw.ads (Stack_Size_Param_Is_A_Reservation): New constant.

	* sysdep.c (__gnat_is_windows_xp): New routine, returns 1 on Windows
	XP and 0 on older Windows versions.

	* interfac-vms.ads: Removed, no longer used.

From-SVN: r111034

	* a-stwisu.adb, a-strsup.adb, a-stzsup.adb (Super_Slice): Fix slice
	index.

	* a-stwima.adb (To_Set): Add extra check when N = 0.

	* g-regpat.adb: (Match_Simple_Operator): Avoid possible overflow.

From-SVN: r111033

2006-02-13  Thomas Quinot  <quinot@adacore.com>
	    Vincent Celier  <celier@adacore.com>
	    Robert Dewar  <dewar@adacore.com>

	* ali-util.adb (Get_File_Checksum): Update to account for change in
	profile of Initialize_Scanner.

	* gprep.adb (Gnatprep): Update to account for change in profile of
	Initialize_Scanner.
	(Process_One_File): Same.

	* lib.adb (Get_Code_Or_Source_Unit): New subprogram factoring the
	common code between Get_Code_Unit and Get_Source_Unit. Reimplement
	that behaviour using the new Unit information recorded in the source
	files table, rather than going through all units every time.
	(Get_Code_Unit): Reimplement in terms of Get_Code_Or_Source_Unit.
	(Get_Source_Unit): Same.

	* prepcomp.adb (Parse_Preprocessing_Data_File): Update to account for
	change in profile of Initialize_Scanner.
	(Prepare_To_Preprocess): Same.

	* lib.ads: Fix typo in comment (templace -> template).

	* prj-part.adb (Parse_Single_Project): Update to account for change in
	profile of Initialize_Scanner.

	* scn.adb (Initialize_Scanner): Account for change in profile of
	Scng.Initialize_Scanner: set Current_Source_Unit in Scn instead of Scng.
	Also record the association of the given Source_File_Index to the
	corresponding Unit_Number_Type.

	* scng.ads, scng.adb (Initialize_Scanner.Set_Reserved): Remove
	procedure.
	(Initialize_Scanner): Call Scans.Initialize_Ada_Keywords.
	Remove Unit formal for generic scanner: this formal
	is only relevant to Scn (the scanner instance used to parse Ada source
	files), not to other instances. Update comment accordingly.
	(Scan): Use new function Snames.Is_Keyword_Name.

	* sinfo-cn.adb: Fix typo in comment.

	* sinput.adb (Unit, Set_Unit): Accessors for new source file attribute
	Unit.

	* sinput.ads (Source_File_Record): New component Unit, used to capture
	the unit identifier (if any) associated to a source file.

	* sinput-c.adb, sinput-l.adb (Load_File): Initialize new component
	Unit in Source_File_Record.

	* sinput-p.adb (Source_File_Is_Subunit): Update to account for change
	in profile of Initialize_Scanner.

	* scans.adb (Initialize_Ada_Keywords): New procedure

	* scans.ads (Initialize_Ada_Keywords): New procedure to initialize the
	Ada keywords in the Namet table, without the need to call
	Initialize_Scanner.

	* snames.adb: Add pragma Ada_2005 (synonym for Ada_05)
	(Is_Keyword_Name): New function

	* snames.ads: Add subtype Configuration_Pragma_Names
	Add pragma Ada_2005 (synonym for Ada_05)
	(Is_Keyword_Name): New function

	* snames.h: Add pragma Ada_2005 (synonym for Ada_05)

From-SVN: r111032

	    Robert Dewar  <dewar@adacore.com>

	* a-exexpr.adb, a-exexpr-gcc.adb
	(Process_Raise_Exception): Removed, merged with Propagate_Exception.
	(Propagate_Exception): Now take extra From_Signal_Handler parameter.
	Remove code unused for exception propagation for the compiler itself
 	from a-except.adb and update to still share separate packages.

	* a-except.ads, a-except.adb: Ditto.
	Add comments that this version is now used only by the compiler and
	other basic tools. The full version that includes the Ada 2005 stuff
	is in separate files a-except-2005.ads/adb. The reason is that we do
	not want to cause bootstrap problems with compilers not recognizing
	Wide_Wide_String.
	Add exception reason code PE_Implicit_Return
	Add new exception reason code (Null Exception_Id)

	* a-except-2005.adb, a-except-2005.ads: New files.

	* s-wchcon.ads: (Get_WC_Encoding_Method): New function.

	* s-wchcon.adb: New file.

	* Makefile.in (LIBGNAT_SRCS): Add tb-gcc.c.
	(traceback.o deps): Likewise.
	(SPARC/Solaris): Accept sparc[64|v9]-sun-solaris.
	Activate build of GMEM instrumentation library on VMS targets.
	(gnatlib-sjlj, gnatlib-zcx): Pass EH_MECHANISM to make gnatlib.
	Use a-except-2005.ads/adb for all run-time library builds unless
	specified otherwise.
	[VMS] (LIBGNAT_TARGET_PAIRS_AUX1,2): Rename s-parame-vms.ads to
	s-parame-vms-alpha.ads and add s-parame-vms-ia64.ads.
	Use s-parame.adb on all native platforms.
	Use s-parame-vxworks.adb on all vxworks platforms.
	Add env.c env.h in LIBGNAT_SRCS
	Add env.o in LIBGNAT_OBJS
	(GNATMAKE_OBJS): Remove ctrl_c.o object.
	(LIBGNAT_TARGET_PAIRS for x86-vxworks): Use an specialized version of
	s-osinte.adb, s-tpopsp.adb, and system.ads for the run time that
	supports VxWorks 6 RTPs.
	(EXTRA_GNATRTL_NONTASKING_OBJS for x86-vxworks): Remove the use of
	i-vxworks and i-vxwoio from the run time that supports VxWorks 6 RTPs.

	* types.h, types.ads (Terminate_Program): New exception
	Add comment on modifying multiple versions of a-except.adb when the
	table of exception reasons is modified.
	Add exception reason code PE_Implicit_Return
	Add new exception reason code (Null Exception_Id)

        * clean.adb (Initialize): Get the target parameters before checking
        if target is OpenVMS. Move the OpenVMS specific code here from package
        body elaboration code.

From-SVN: r111031

2006-02-13  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
	    Olivier Hainque  <hainque@adacore.com>
	    Eric Botcazou  <ebotcazou@adacore.com>

	* ada-tree.h: (TYPE_UNCHECKED_UNION_P): Deleted.
	
	* gigi.h (value_factor_p): Add prototype and description, now public.

	* decl.c (gnat_to_gnu_field): Don't attempt BLKmode to integral type
	promotion for field with rep clause if the associated size was proven
	to be in error.
	Expand comments describing attempts to use a packable type.
	(gnat_to_gnu_entity) <E_Signed_Integer_Subtype,
	E_Floating_Point_Subtype>: Inherit alias set of what we are making a
	subtype of to ensure conflicts amongst all subtypes in a hierarchy,
	necessary since these are not different types and pointers may
	actually designate any subtype in this hierarchy.
	(gnat_to_gnu_entity, case E_Record_Type): Always make fields for
	discriminants but put them into record only if not Unchecked_Union;
	pass flag to components_to_record showing Unchecked_Union.
	(make_dummy_type): Use UNION_TYPE only if Unchecked_Union and no
	components before variants; don't set TYPE_UNCHECKED_UNION_P.
	(components_to_record): New argument UNCHECKED_UNION.
	Remove special case code for Unchecked_Union and instead use main code
	with small changes.

	PR ada/26096
	(gnat_to_gnu_entity) <E_Variable>: Do not initialize the
	aligning variable with the expression being built, only its inner
	field.

	* trans.c (Handled_Sequence_Of_Statements_to_gnu): Remove call to
	emit_sequence_entry_statements.
	(emit_sequence_entry_statements, body_with_handlers_p): Delete.
	(establish_gnat_vms_condition_handler): Move before
	Subprogram_Body_to_gnu.
	(Subprogram_Body_to_gnu): On VMS, establish_gnat_vms_condition_handler
	for a subprogram if it has a foreign convention or is exported.
	(Identifier_to_gnu): Manually unshare the DECL_INITIAL tree when it is
	substituted for a CONST_DECL.
	(tree_transform, case N_Aggregate): Remove code for UNION_TYPE and pass
	Etype to assoc_to_constructor.
	(assoc_to_constructor): New argument, GNAT_ENTITY; use it to ignore
	discriminants of Unchecked_Union.
	(TARGET_ABI_OPEN_VMS): Define to 0 if not defined, so that later uses
	don't need cluttering preprocessor directives.
	(establish_gnat_vms_condition_handler): New function. Establish the GNAT
	condition handler as current in the compiled function.
	(body_with_handlers_p): New function. Tell whether a given sequence of
	statements node is attached to a package or subprogram body and involves
	exception handlers possibly nested within inner block statements.
	(emit_sequence_entry_statements): New function, to emit special
	statements on entry of sequences when necessary. Establish GNAT
	condition handler in the proper cases for VMS.
	(Handled_Sequence_Of_Statements_to_gnu): Start block code with
	emit_sequence_entry_statements.

	* utils2.c (find_common_type): If both input types are BLKmode and
	have a constant size, use the smaller one.
	(build_simple_component_ref): Also match if FIELD and NEW_FIELD are
	the same.

	* utils.c (value_factor_p): Make public, to allow uses from other gigi
	units.
	(create_type_decl): Do not set the flag DECL_IGNORED_P for dummy types.
	(convert, case UNION_TYPE): Remove special treatment for unchecked
	unions.

	PR ada/18659
	(update_pointer_to): Update variants of pointer types to
	unconstrained arrays by attaching the list of fields of the main
	variant.

From-SVN: r111030

2006-02-13  Pascal Obry  <obry@adacore.com>
	    Nicolas Roche  <roche@adacore.com>
	    Arnaud Charlet  <charlet@adacore.com>

	* adaint.h, adaint.c (DIR_SEPARATOR): Use _T() macro for Unicode
	support.
	(__gnat_try_lock): Add unicode support by using a specific section on
	Windows.
	(__gnat_get_current_dir): Idem.
	(__gnat_open_read): Idem.
	(__gnat_open_rw): Idem.
	(__gnat_open_create): Idem.
	(__gnat_create_output_file): Idem.
	(__gnat_open_append): Idem.
	(__gnat_open_new): Idem.
	(__gnat_file_time_name): Idem.
	(__gnat_set_file_time_name): Idem.
	(__gnat_stat): Idem.
	(win32_no_block_spawn): Idem.
	(__gnat_locate_exec_on_path): Idem.
	(__gnat_opendir): New routine.
	(__gnat_closedir): Idem.
	(__gnat_readdir): Add new parameter length (pointer to int). Update
	implementation to use it and add specific Win32 code for Unicode
	support.
	(__gnat_get_env_value_ptr): Remove. Replaced by __gnat_getenv in env.c
	(__gnat_set_env_value): Remove. Replaced by __gnat_setenv in env.c
	(convert_addresses): Do not define this dummy routine on VMS.

	* mingw32.h (GNAT_UNICODE_SUPPORT): New definition, if set the GNAT
	runtime Unicode support will be activated.
	(S2WS): String to Wide-String conversion. This version just copy a
	string in non Unicode version.
	(WS2S): Wide-String to String conversion. This version just copy a
	string in non Unicode version.

	* g-dirope.adb: (Close): Now import __gnat_closedir from adaint.c.
	(Open): Now import __gnat_opendir from adaint.c.
	(Read): Change the implementation to support unicode characters. It is
	not possible to use strlen() on Windows as this version supports only
	standard ASCII characters. So the length of the directory entry is now
	returned from the imported __gnat_readdir routine.
	Update copyright notice.

	* s-crtl-vms64.ads, s-crtl.ads: (closedir): Moved to adaint.c.
	(opendir): Moved to adaint.c.

	* g-os_lib.adb (Copy_Time_Stamp): Fix off-by-one range computation.
	(Get_Directory): Fix wrong indexing.
	(Getenv): replace __gnat_get_env_value_ptr from adaint.c by
	__gnat_getenv from env.c
	(Setenv): replace __gnat_set_env_value from adaint.c by __gnat_setenv
	from env.c

	* env.h, env.c: New file.

	* s-scaval.adb (Initialize): Replace __gnat_get_env_value_ptr from
	adaint.c by __gnat_getenv from env.c

	* s-shasto.adb (Initialize): replace __gnat_get_env_value_ptr from
	adaint.c by __gnat_getenv from env.c

	* Make-lang.in: Add env.o in the list of C object needed by gnat1
	and gnatbind.
	Update dependencies.

From-SVN: r111029

2006-02-13  Nicolas Setton  <setton@adacore.com>

	* adadecode.h, adadecode.c: (__gnat_decode): Improve support of types.
	(get_encoding): New subprogram. Extracts the encodings from an encoded
	Ada name.

From-SVN: r111028

system-mingw.ads (Underlying_Priorities): Update the priority mapping table to take advantage of the 16 priority levels...

2006-02-13  Pascal Obry  <obry@adacore.com>

	* system-mingw.ads (Underlying_Priorities): Update the priority mapping
	table to take advantage of the 16 priority levels available on Windows
	2000 and XP. On NT4 there are only 7 priority levels, this is properly
	supported by this new mapping.

From-SVN: r111027

2006-02-13  Pascal Obry  <obry@adacore.com>

	* s-taprop-posix.adb, s-taprop-vxworks.adb, s-taprop-tru64.adb, 
	s-taprop-lynxos.adb, s-taprop-irix.adb, s-taprop-hpux-dce.adb, 
	s-taprop-linux.adb, s-taprop-solaris.adb,
	s-taprop-vms.adb (Create_Task): Remove task adjustment code. This
	adjustement is already done when calling this routine.

From-SVN: r111026

	* s-osinte-darwin.adb, s-osinte-darwin.ads, s-osinte-vxworks.ads, 
	s-osinte-solaris.ads, s-osinte-linux.ads, s-osinte-freebsd.ads, 
	s-osinte-solaris-posix.ads, s-osinte-lynxos-3.ads, s-osinte-lynxos.ads, 
	s-osinte-tru64.ads, s-osinte-aix.ads, s-osinte-irix.ads, 
	s-osinte-hpux-dce.ads, s-osinte-linux-hppa.ads, 
	s-osinte-linux-alpha.ads, s-inmaop-posix.adb (sigset_t_ptr): Removed,
	replaced by anonymous access type.
	(pthread_sigmask): Now take an access sigset_t

	* s-osinte-hpux.ads:  Ditto.
	(pthread_mutex_t, pthread_cond_t): Update definitions to support
	properly 32 and 64 bit ABIs.

From-SVN: r111025

2006-02-13  Hristian Kirtchev  <kirtchev@adacore.com>

	* a-tasatt.adb, s-osinte-lynxos-3.adb, s-osinte-lynxos.adb,
	s-osinte-aix.adb, s-interr-sigaction.adb, s-asthan-vms-alpha.adb,
	s-interr-vms.adb, s-intman-vms.adb, s-interr-vxworks.adb,
	s-intman-vxworks.adb, s-asthan-vms-alpha.adb, a-ztexio.adb,
	a-reatim.adb, a-taside.adb, a-textio.adb, a-witeio.adb, prj-attr.adb,
	s-intman-irix.adb, s-intman-solaris.adb, s-intman-posix.adb,
	a-dynpri.adb, a-interr.adb, g-dynhta.adb, s-asthan.adb, s-interr.adb,
	s-pooglo.adb, s-pooloc.adb, s-poosiz.adb, s-tasren.adb, s-tasuti.adb,
	s-tataat.adb, s-tpobop.adb: Remove redundant with clauses.

From-SVN: r111024

2006-02-13  Robert Dewar  <dewar@adacore.com>

	* s-gloloc-mingw.adb, a-cgaaso.ads, a-stzmap.adb, a-stzmap.adb,
	a-stzmap.ads, a-ztcoio.adb, a-ztedit.adb, a-ztedit.ads, a-ztenau.adb,
	a-ztenau.ads, a-colien.adb, a-colien.ads, a-colire.adb, a-colire.ads,
	a-comlin.adb, a-decima.adb, a-decima.ads, a-direio.adb, a-direio.adb,
	a-direio.adb, a-direio.ads, a-ngcoty.adb, a-ngcoty.ads, a-nuflra.adb,
	a-nuflra.ads, a-sequio.adb, a-sequio.ads, a-sequio.ads, a-storio.ads,
	a-stream.ads, a-ststio.adb, a-ststio.adb, a-ststio.ads, a-ststio.ads,
	a-stwima.adb, a-stwima.adb, a-stwima.ads, a-stwise.adb, a-teioed.adb,
	a-teioed.ads, a-ticoau.adb, a-ticoau.ads, a-ticoio.adb, a-tasatt.ads,
	a-tideau.adb, a-tideau.ads, a-tideio.adb, a-tideio.ads, a-tienau.adb,
	a-tienau.ads, a-tienio.adb, a-tienio.ads, a-tifiio.ads, a-tiflau.adb,
	a-tiflau.ads, a-tiflio.adb, a-tiflio.adb, a-tiflio.ads, a-tigeau.ads,
	a-tiinau.adb, a-tiinau.ads, a-tiinio.adb, a-tiinio.ads, a-timoio.adb,
	a-timoio.ads, a-titest.adb, a-titest.ads, a-wtcoio.adb, a-wtdeau.adb,
	a-wtdeau.ads, a-wtdeio.adb, a-wtdeio.ads, a-wtedit.adb, a-wtedit.adb,
	a-wtedit.ads, a-wtenau.adb, a-wtenau.ads, a-wtenau.ads, a-wtenio.adb,
	a-wtenio.ads, a-wtfiio.adb, a-wtfiio.ads, a-wtflau.adb, a-wtflau.ads,
	a-wtflio.adb, a-wtflio.adb, a-wtflio.ads, a-wtgeau.ads, a-wtinau.adb,
	a-wtinau.ads, a-wtinio.adb, a-wtinio.ads, a-wtmoau.adb, a-wtmoau.ads,
	a-wtmoio.adb, a-wtmoio.ads, xref_lib.adb, xref_lib.ads, xr_tabls.adb,
	g-boubuf.adb, g-boubuf.ads, g-cgideb.adb, g-io.adb, gnatdll.adb,
	g-pehage.adb, i-c.ads, g-spitbo.adb, g-spitbo.ads, mdll.adb,
	mlib-fil.adb, mlib-utl.adb, mlib-utl.ads, prj-env.adb, prj-tree.adb,
	prj-tree.ads, prj-util.adb, s-arit64.adb, s-asthan.ads, s-auxdec.adb,
	s-auxdec.ads, s-chepoo.ads, s-direio.adb, s-direio.ads, s-errrep.adb,
	s-errrep.ads, s-fileio.adb, s-fileio.ads, s-finroo.adb, s-finroo.ads,
	s-gloloc.adb, s-gloloc.ads, s-io.adb, s-io.ads, s-rpc.adb,
	s-rpc.ads, s-shasto.ads, s-sequio.adb, s-stopoo.ads, s-stratt.adb,
	s-stratt.ads, s-taasde.adb, s-taasde.ads, s-tadert.adb, s-sequio.ads,
	s-taskin.adb, s-tasque.adb, s-tasque.ads, s-wchjis.ads, makegpr.adb,
	a-coinve.adb, a-cidlli.adb, eval_fat.adb, exp_dist.ads, exp_smem.adb,
	fmap.adb, g-dyntab.ads, g-expect.adb, lib-xref.ads, osint.adb,
	par-load.adb, restrict.adb, sinput-c.ads, a-cdlili.adb,
	system-vms.ads, system-vms-zcx.ads, system-vms_64.ads: Minor
	reformatting.

From-SVN: r111023

a-taster.adb (Current_Task_Fallback_Handler): Document why explicit protection against race conditions is not needed.

2006-02-13  Jose Ruiz  <ruiz@adacore.com>

	* a-taster.adb (Current_Task_Fallback_Handler): Document why explicit
	protection against race conditions is not needed.
	(Set_Dependents_Fallback_Handler): Add mutual exclusive access to the
	fallback handler.
	(Set_Specific_Handler): Add mutual exclusive access to the specific
	handler.
	(Specific_Handler): Add mutual exclusive access for retrieving the
	specific handler.

	* s-tarest.adb (Task_Wrapper): Add mutual exclusive access to the fall
	back handler.

	* s-taskin.ads (Common_ATCB): Remove pragma Atomic for
	Fall_Back_Handler and Specific_Handler.

	* s-tassta.adb (Task_Wrapper): Add mutual exclusive access to the task
	termination handlers.
	Set two different owerflow depending on the maximal stack size.

	* s-solita.adb (Task_Termination_Handler_T): Document why explicit
	protection against race conditions is not needed when executing the
	task termination handler.

From-SVN: r111022

	* a-intnam-os2.ads, a-intnam-unixware.ads, g-soccon-unixware.ads,
	g-soliop-unixware.ads, i-os2err.ads, i-os2lib.adb, i-os2lib.ads,
	i-os2syn.ads, i-os2thr.ads, s-intman-irix-athread.adb,
	s-osinte-aix-fsu.ads, s-osinte-fsu.adb, s-parame-os2.adb,
	s-osinte-irix-athread.ads, s-osinte-linux-fsu.ads, s-osinte-os2.adb,
	s-osinte-os2.ads, s-osinte-solaris-fsu.ads, s-osinte-unixware.adb,
	s-osinte-unixware.ads, s-osprim-os2.adb, s-taprop-irix-athread.adb,
	s-taprop-os2.adb, s-tasinf-irix-athread.adb, s-tasinf-irix-athread.ads,
	s-taspri-os2.ads, system-os2.ads, system-unixware.ads: Removed,
	no longer used.

From-SVN: r111021

2006-02-15  Paolo Bonzini  <bonzini@gnu.org>

	* cfg.c (dump_flow_info): Get dump flags as an additional parameter.
	(debug_flow_info): Pass it.
	* alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
	* bb-reorder.c (reorder_basic_blocks): Likewise.
	* cfgcleanup.c (rest_of_handle_jump2): Likewise.
	* cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
	* flow.c (life_analysis, recompute_reg_usage): Likewise.
	* gcse.c (gcse_main, bypass_jumps): Likewise.
	* ifcvt.c (rest_of_handle_if_conversion): Likewise.
	* local-alloc.c (rest_of_handle_local_alloc): Likewise.
	* loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
	* profile.c (compute_branch_probabilities, branch_prob): Likewise.
	* rtl.h (dump_flow_info): Adjust prototype.
	* tracer.c (rest_of_handle_tracer, tracer): Likewise.
	* var-tracking.c (variable_tracking_main): Likewise.
	* passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
	* tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
	options.

From-SVN: r111020

2006-02-15  Marcin Dalecki <martin@dalecki.de>

	* tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
	construction.

From-SVN: r111019

	PR libgomp/25938
	PR libgomp/25984
fortran/
	* Make-lang.in (install-finclude-dir): New goal.
	(fortran.install-common): Depend on install-finclude-dir.
	* lang-specs.h: If not -nostdinc, add -I finclude.
libgomp/
	* Makefile.am (fincludedir): New variable.
	(nodist_include_HEADERS): Remove Fortran files.
	(nodist_finclude_HEADERS): New variable.
	* Makefile.in: Regenerated.

From-SVN: r111018

2006-02-15  Matthias Klose  <doko@debian.org>

        * gnu/java/nio/charset, gnu/java/net/protocol/file,
        gnu/regexp: Remove empty directories.

From-SVN: r111015

2006-02-14  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* MAINTAINERS: Add self to fortran 95 maintainers.

From-SVN: r111009

From-SVN: r111005

	PR tree-optimization/26209
	* tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
	* tree-cfgcleanup.c (cleanup_control_flow): Remove dead
	eh edges.
	* tree-cfg.c (replace_uses_by): Do not alter cfg.

From-SVN: r110999

2006-02-16  Thomas Koenig  <Thomas.Koenig@online.de>

	* MAINTAINERS (Write After Approval):  Remove myself.
	(Language Front End Maintainers):  Add myself as
	fortran 95 maintainer.

From-SVN: r110998

	PR middle-end/23670
	* fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
	(X,Y) and the corresponding symmetry related transformations.
	(fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
	(X,Y) and its symmetry related transformations.

	* gcc.dg/tree-ssa/andor-2.c: New test case.

From-SVN: r110997

2006-02-14  Thomas Koenig  <Thomas.Koenig@online.de>

        PR fortran/25045
        * check.c (dim_check):  Perform all checks if dim is optional.
        (gfc_check_minloc_maxloc):  Use dim_check and dim_rank_check
        to check dim argument.
        (check_reduction):  Likewise.

2006-02-14  Thomas Koenig  <Thomas.Koenig@online.de>

        PR fortran/25045
        * optional_dim.f90:  New test.

From-SVN: r110994

fortran/
	PR fortran/26277
	* io.c (match_ltag): Mark label as referenced.
testsuite/
	PR fortran/26277
	* gfortran.dg/label_4.f90: New.

From-SVN: r110993

        * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
	and GEU.

From-SVN: r110992

From-SVN: r110990

	PR bootstrap/26053
	* configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
	support COMDAT group.
	* configure: Regenerate.

From-SVN: r110985