gcc/ChangeLog:
PR tree-optimization/33735
PR tree-optimization/33572
* tree-inline.c (update_ssa_across_abnormal_edges): Revert
2007-10-09's change.
* except.c (duplicate_eh_regions): Don't look for prev_try
beyond ERT_ALLOWED_EXCEPTIONS with an empty list.
gcc/testsuite/ChangeLog:
PR tree-optimization/33735
* g++.dg/torture/pr33735.C: New.

From-SVN: r129356

gcc/ChangeLog:
PR middle-end/33706
* tree-inline.c (copy_bb): Use bsi_replace to replace a
__builtin_va_arg_pack-containing call stmt.
gcc/testsuite/ChangeLog:
PR middle-end/33706
* gcc.dg/va-arg-pack-2.c: New.

From-SVN: r129355

2007-10-15  Razya Ladelsky  <razya@il.ibm.com>

        * matrix-reorg.c (gate_matrix_reorg): Don't comment out whole
        program flag.

From-SVN: r129351

	PR tree-optimization/33619
	* tree-ssa-ter.c (is_replaceable_p): Return false for all
	calls.

	* gcc.dg/pr33619.c: New test.

From-SVN: r129350

	lib/target-supports.exp (check_vmx_hw_available): Add -maltivec
	flag for AIX.
	(check_effective_target_powerpc_altivec_ok): Only skip before AIX 5.3.

From-SVN: r129349

From-SVN: r129348

2007-10-15  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (extract_array_ref): Remove.
	(fold_comparison): Handle POINTER_PLUS_EXPR with the
	generic address expression comparison folding.  Remove
	the folding that used extract_array_ref.

From-SVN: r129347

2007-10-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33055
	* gfortran.dg/inquire_11.f90: New test.
	* gfortan.dg/negative_unit_int8.f: New test.

From-SVN: r129346

From-SVN: r129345

2007-10-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/33055
	* io/inquire.c (inquire_via_unit):  If inquiring by unit, check for
	an error condition from the IOSTAT variable and set EXIST to false if
	there was a bad unit number.

From-SVN: r129344

2007-10-15  Robert Dewar  <dewar@adacore.com>

	* errout.ads: Comment clarification

	* exp_ch4.adb (Expand_N_Allocator): Code cleanup.
	(Expand_N_Op_Eq): Improve handling of array equality with -gnatVa

	* lib.ads: Comment update

	* init.c: Minor reformatting.

	* sem_attr.adb: Minor formatting

	* osint-b.ads: Minor reformatting

	* sem_ch9.adb: Implement -gnatd.I switch

	* g-comlin.adb: (Start): Fix handling of empty command line.

	* gnatcmd.adb (GNATCmd): Do not put the -rules in the -cargs section,
	even when -rules follows the -cargs section.

From-SVN: r129343

2007-10-15  Thomas Quinot  <quinot@adacore.com>

	* g-soccon-vms.ads: Fix value of MSG_WAITALL.

	* gen-soccon.c: 
	Update documentation to note that OpenVMS 8.3 or later must be used
	to generate g-soccon-vms.ads.

	* atree.adb: Add ??? comment

	* exp_util.adb: Minor reformatting.
	Add ??? comment in Kill_Dead_Code.

From-SVN: r129342

2007-10-15  Vincent Celier  <celier@adacore.com>
	    Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Add documentation for switches --version and --help
	for the GNAT tools gnatbind, gnatlink, gnatmake, gnatchop, gnatname,
	gnatxref, gnatfind, gnatls, and gnatclean.
	Document -gnatw.o.
	Mention attribute Excluded_Source_Dirs
	Replace obsolescent attribute Locally_Removed_Files with attribute
	Excluded_Source_Files.
	Improve documentation of -u (gnatbind)
	Document how to do reliable stack checking for the environmental task
	on iVMS.

	* gnat_rm.texi: Rewrite section about No_Implicit_Dynamic_Code.
	Document attribute Excluded_Source_Files and indicate that attribute
	Locally_Removed_Files is obsolescent.

From-SVN: r129341

2007-10-15  Emmanuel Briot  <briot@adacore.com>

	* xref_lib.adb (Get_Full_Type): Add support for the 'h' entity type, ie
	interfaces.

	* xr_tabls.adb (Add_Reference): Add support for the new 'R' reference
	type, for dispatching calls.

From-SVN: r129340

2007-10-15  Tristan Gingold  <gingold@adacore.com>

	* trans.c (gnat_to_gnu): Remove the padding structure more often.
	This optimize assignment to over-aligned record.

From-SVN: r129339

tb-alvms.c (tb_entry_t, [...]): Store a frame pointer instead of a procedure value in each traceback entry.

2007-10-15  Olivier Hainque  <hainque@adacore.com>

	* tb-alvms.c (tb_entry_t, __gnat_backtrace): Store a frame pointer
	instead of a procedure value in each traceback entry.

	* g-trasym-vms-alpha.adb (Symbolic_Traceback): Pass frame pointer
	instead of procedure value to TBK$SYMBOLIZE.

	* s-traent-vms.adb (PV_For): Rename as FP_For and access the proper
	field.
	(TB_Entry_For): Account for the PV/FP renaming.

	* s-traent-vms.ads (Traceback_Entry): Rename PV component into FP and
	add comment.
	(Null_TB_Entry): Account for change of component name.
	(PV_For): Rename as FP_For.

From-SVN: r129338

2007-10-15  Ed Schonberg  <schonberg@adacore.com>

	* sem_disp.adb (Find_Controlling_Arg): Examine the call node before
	examining its original form, to handle properly operator calls that
	have been rewritten.

From-SVN: r129337

sem_ch6.adb (Find_Corresponding_Spec): If the previous entity is a body generated for a function with a controlling...

2007-10-15  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Find_Corresponding_Spec): If the previous entity is a
	body generated for a function with a controlling result that is a null
	extension, discard the generated body in favor of the current explicit
	one.

From-SVN: r129336

2007-10-15  Tristan Gingold  <gingold@adacore.com>

	* system-vms-ia64.ads: New file.

	* system-vms_64.ads: Minor comment fix.

From-SVN: r129335

2007-10-15  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch4.adb: Minor code and comment reformatting.
	(Analyze_Allocator): When the designated type of an unconstrained
	allocator is a record with unknown discriminants or an array with
	unknown range bounds, emit a detailed error message depending on the
	compilation mode and whether the designated type is limited.

From-SVN: r129334

sem_ch3.adb (Build_Derived_Concurrent_Type): Set the Is_Constrained flag of derived concurrent types...

2007-10-15  Gary Dismukes  <dismukes@adacore.com>

	* sem_ch3.adb (Build_Derived_Concurrent_Type): Set the Is_Constrained
	flag of derived concurrent types, taking into account the flag setting
	on the parent subtype and any new set of discriminants.

From-SVN: r129333

2007-10-15  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch12.adb: Minor code reformatting.
	(Check_Generic_Child_Unit): Iterate over the homonym chain in order to
	find the parent package which may have been hidden by local
	declarations.

From-SVN: r129332

sem_aggr.adb (Resolve_Record_Aggregate): In the case of a box association for an access component...

2007-10-15  Gary Dismukes  <dismukes@adacore.com>

	* sem_aggr.adb (Resolve_Record_Aggregate): In the case of a box
	association for an access component, add an association with null as
	the expression. Remove testing for array subtypes and the setting in
	that case of Ctyp to the array component type, which prevented proper
	inclusion of an association for null-initialized arrays. Collapse
	condition that tests for array subtypes into just a test of
	Is_Partially_Initialized_Type (which already covers arrays anyway).

From-SVN: r129331

2007-10-15  Robert Dewar  <dewar@adacore.com>

	* rtsfind.adb: (Load_RTU): Turn off style checks for Load call

From-SVN: r129330

2007-10-15  Vincent Celier  <celier@adacore.com>

	* snames.adb, snames.ads: Add new standard name runtime_library_dir

	* prj.ads (Language_Config): Add new component Runtime_Library_Dir

	* prj-attr.adb: Add project level attribute Runtime_Library_Dir

	* prj-env.adb (Create_Mapping_File): Do not put an entry if the path of
	the source is unknown.

	* prj-ext.adb: Spelling error fix

	* prj-nmsc.adb (Check_Ada_Name): Reject any unit that includes an Ada
	95 reserved word in its name.
	(Process_Project_Level_Array_Attributes): Process new attribute
	Runtime_Library_Dir.

	* prj-part.adb (Parse_Single_Project): Do not check the name of the
	config project against the user project names.

	* prj-proc.adb (Expression): In multi-language mode, indexes that do
	not include a dot are always case insensitive.
	(Process_Declarative_Items): Ditto
	(Process_Project_Tree_Phase_1): Set Success to False in case an error is
	detected.

	* prj-util.adb (Value_Of (In_Array)): When Force_Lower_Case_Index is
	True, compare both indexes in lower case.

From-SVN: r129329

2007-10-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/33055
	* trans-io.c (create_dummy_iostat): New function to create a unique
	dummy variable expression to use with IOSTAT.
	(gfc_trans_inquire): Use the new function to pass unit number error info
	to run-time library if a regular IOSTAT variable was not given.

From-SVN: r129328

sem_case.adb, [...]: Replace use of Heap_Sort_A (passing'Unrestricted_Access of nested subprograms...

2007-10-15  Bob Duff  <duff@adacore.com>

	* sem_case.adb, sem_ch13.adb, lib-sort.adb: Replace use of Heap_Sort_A
	(passing'Unrestricted_Access of nested subprograms to Sort) with use of
	the generic Heap_Sort_G, in order to avoid trampolines.

From-SVN: r129327

2007-10-15  Vincent Celier  <celier@adacore.com>

	* mlib-tgt-specific.adb (Support_For_Libraries): New function,
	returning None, used when there is no platform specific body for
	MLib.Tgt.Specific.

From-SVN: r129326

exp_dist.adb (Add_RACW_Primitive_Declarations_And_Bodies): Do not attempt to generate stubs for hidden primitive operations.

2007-10-15  Thomas Quinot  <quinot@adacore.com>

	* exp_dist.adb (Add_RACW_Primitive_Declarations_And_Bodies): Do not
	attempt to generate stubs for hidden primitive operations.

From-SVN: r129325

2007-10-15  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch9.adb (Actual_Index_Expression): When the expansion occurs
	inside a generic body, retrieve the full view of the entry family
	discrete subtype if available.

From-SVN: r129324

exp_ch3.adb (Build_Init_Procedure): Keep separate the initialization of tagged types whose ultimate ancestor is a...

2007-10-15  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch3.adb (Build_Init_Procedure): Keep separate the initialization
	of tagged types whose ultimate ancestor is a CPP type.
	(Freeze_Array_Type): For a packed array type, generate an initialization
	procedure if the type is public, to handle properly a client that
	specifies Normalize_Scalars.

From-SVN: r129323

exp_attr.adb (Expand_N_Attribute_Reference): Case Access, Unchecked_Access, and Unrestricted_Access.

2007-10-15  Javier Miranda  <miranda@adacore.com>

	* exp_attr.adb (Expand_N_Attribute_Reference): Case Access,
	Unchecked_Access, and Unrestricted_Access. Cleanup code that takes
	care of access to class-wide interface types plus removal of bizarre
	conversion of tagged object to access type (reported by Gary
	Dismukes). After this patch there is no need to perform any
	additional management on these nodes in Expand_Interface_Actuals.

	* exp_disp.adb (Expand_Interface_Actuals): Code cleanup. Remove code
	that handles use of 'Access and 'Unchecked_Access applied to
	actuals covering interface types. Such code is now
	centralized in Expand_N_Attribute_Reference.

From-SVN: r129322

2007-10-15  Tristan Gingold  <gingold@adacore.com>

	* debug.adb: Document use of -gnatd.a and -gnatd.I

	* layout.adb: On OpenVMS -gnatd.a disables alignment optimization.

From-SVN: r129321

2007-10-15  Emmanuel Briot  <briot@adacore.com>

	* ali.ads, ali.adb (Scan_ALI): Initialize XE.Tref to a known default
	value.
	(Xref_Record): Change type for Line, since in the case of a reference to
	a predefined entity (as happens for array index types), the line is set
	to 0.
	Add support for parsing multiple array index types info, or
	multiple inherited interfaces info. This information cannot be stored
	in Xref_Entity_Record, which only supports a single instance of Tref_*,
	and is therefore stored in the list of references instead. It has a
	special treatement later on in tools that use this information.

From-SVN: r129320

2007-10-15  Geert Bosch  <bosch@adacore.com>

	* adaint.c, socket.c, cal.c: Initial port to arm-mentor-nucleus.

	* expect.c: Initial port to arm-mentor-nucleus.
	Use kill for __gnat_kill() on VMS.

From-SVN: r129319

2007-10-15  Robert Dewar  <dewar@adacore.com>

	* s-taprop-solaris.adb, s-taprop-vms.adb, s-taprop-mingw.adb, 
	s-taprop-vxworks.adb, s-taprop-posix.adb, a-calend-vms.adb,
	a-calend.adb, a-nuflra.adb, a-tigeau.adb, a-wtgeau.adb, 
	checks.adb, bindgen.adb, eval_fat.adb, exp_fixd.adb, fmap.adb, 
	freeze.adb, g-awk.adb, g-calend.adb, g-diopit.adb, g-expect.adb, 
	gnatchop.adb, gnatlink.adb, g-spipat.adb, g-thread.adb, make.adb, 
	mdll.adb, mlib.adb, mlib-prj.adb, osint.adb, par-ch3.adb, prj.adb, 
	prj-makr.adb, sem_prag.adb, sem_type.adb, s-fatgen.adb, s-fileio.adb, 
	sinfo.ads, sinput-d.adb, s-taasde.adb, s-tasdeb.ads, s-tasren.adb, 
	s-tassta.adb, s-tpobop.adb, s-tposen.adb, stylesw.adb, types.ads,
	uintp.adb, validsw.adb, makegpr.adb, a-rbtgso.adb, a-crbtgo.adb, 
	a-coorse.adb, a-convec.adb, a-coinve.adb, a-cohama.adb, a-ciorse.adb, 
	a-cihama.adb, a-cidlli.adb, a-chtgop.adb, a-cdlili.adb, a-cdlili.adb, 
	a-coormu.adb, a-ciormu.adb, a-cihase.adb, a-cohase.adb, a-ciorma.adb, 
	a-coorma.adb, a-ztgeau.adb, symbols-vms.adb, a-crdlli.adb, 
	a-calari.adb, a-calfor.adb, s-os_lib.adb, s-regpat.adb, a-ngrear.adb:
	Minor reformatting.
	Add Unreferenced and Warnings (Off) pragmas for cases of
	variables modified calls where they are IN OUT or OUT parameters and
	the resulting values are not subsequently referenced. In a few cases,
	we also remove redundant code found by the new warnings.

	* ug_words, vms_data.ads, usage.adb, sem_util.adb, sem_util.ads, 
	sem_warn.adb, sem_warn.ads, sem_res.adb, sem_ch7.adb, sem_ch8.adb,
	sem_ch5.adb, opt.ads, lib-xref.adb, lib-xref.ads, exp_smem.adb,
	sem_ch11.adb, exp_ch6.adb, einfo.ads, einfo.adb: implement a new
	warning controlled by -gnatw.o that warns on cases of out parameter
	values being ignored.

From-SVN: r129318

2007-10-15  Eric Botcazou  <ebotcazou@adacore.com>

	* s-osinte-tru64.adb: (Hide_Yellow_Zone): Add On parameter.
	Set the protection status of the guard page based on the value of On.

	* s-osinte-tru64.ads: (Hide_Yellow_Zone): Add On parameter.

	* s-taprop-tru64.adb: (Enter_Task): Pass True to Hide_Yellow_Zone.
	(Exit_Task): Pass False to Hide_Yellow_Zone.

From-SVN: r129317

2007-10-15  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/33773 (cont)
	* testsuite/21_strings/headers/cwchar/macros.cc: Guard with
	_GLIBCXX_USE_WCHAR_T, instead.

From-SVN: r129316

	PR target/33133
	
	* haifa-sched.c (process_insn_forw_deps_be_in_spec): Check if
	speculation type of insn can be changed before trying to do that.

	* gcc.c-torture/compile/pr33133.c: New test.

From-SVN: r129315

2007-10-15  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/33771
	PR libstdc++/33773
	* testsuite/21_strings/headers/cwchar/macros.cc: Guard test with
	_GLIBCXX_HAVE_WCHAR_H.
	* testsuite/21_strings/headers/cwctype/macros.cc: Likewise with
	_GLIBCXX_HAVE_WCTYPE_H.
	* testsuite/17_intro/headers/c++200x/all.cc: Guard inclusions
	of <wchar.h> and <wctype.h>.
	* testsuite/17_intro/headers/c++200x/all_multiple_inclusion.cc:
	Likewise.
	* testsuite/17_intro/headers/c++1998/all.cc: Likewise.
	* testsuite/17_intro/headers/c++1998/all_multiple_inclusion.cc:
	Likewise.

From-SVN: r129314