2010-09-09  Paolo Carlini  <paolo.carlini@oracle.com>

	* libsupc++/cxxabi.h: Uglify nothrow to __nothrow__; fix a few
	inconsistent uglifications everywhere.

From-SVN: r164073

2010-09-09  Vincent Celier  <celier@adacore.com>

	* prj-proc.adb: Minor comment spelling error fix.
	* osint.ads (Env_Vars_Case_Sensitive): Use function
	Get_Env_Vars_Case_Sensitive, not Get_File_Names_Case_Sensitive to
	compute value.

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

	* sem_res.adb (Resolve_Equality_Op): Implement Ada2012 rule for
	resolution of conditional expressions whose dependent expressions are
	anonymous access types.

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* a-ststio.adb: Minor code reorganization.
	* s-direio.adb, prj.adb, prj-nmsc.adb, sem_type.adb: Remove redundant
	conversion.
	* types.ads: Minor reformatting.
	* binde.adb, vms_conv.adb, gnatls.adb, s-strxdr.adb, uintp.adb: Remove
	redundant conversions.
	* output.adb: Minor reformatting.
	* sem_ch8.adb (Find_Type): Test for redundant base applies to user
	types.
	* opt.ads: Add pragma Ordered for Verbosity_Level.
	* prj.ads: Add pragma Ordered for type Verbosity.

From-SVN: r164072

predicates.md (ext_register_operand): Check that SUBREG_REG is really a register before looking for REGNO.

	* config/i386/predicates.md (ext_register_operand): Check that
	SUBREG_REG is really a register before looking for REGNO.
	(reg_not_xmm0_operand): Handle SUBREGs correctly.
	(nonimm_not_xmm0_operand): Call reg_not_xmm0_operand.

From-SVN: r164071

2010-09-09  Vincent Celier  <celier@adacore.com>

	* osint.adb (Canonical_Case_File_Name): Use procedure To_Lower in
	System.Case_Util
	(Canonical_Case_Env_Var_Name): Ditto

2010-09-09  Bob Duff  <duff@adacore.com>

	* g-pehage.adb (Allocate): Initialize the allocated elements of IT.

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* cstand.adb: Mark Boolean and Character types as Ordered
	* einfo.adb (Has_Pragma_Ordered): New flag
	* einfo.ads (Has_Pragma_Ordered): New flag
	* g-calend.ads: Mark Day_Name as Ordered
	* opt.ads: Mark Ada_Version_Type as Ordered
	(Warn_On_Unordered_Enumeration_Type): New flag
	* par-prag.adb: Add procdessing for pragma Ordered
	* s-ficobl.ads (Read_File_Mode): New subtype
	* s-fileio.adb: Use Read_File_Mode instead of explicit ranges
	* s-taskin.ads: Mark Entry_Call_State as ordered
	* sem_ch3.adb (Build_Derived_Enumeration_Type): Inherit
	Has_Pragma_Ordered.
	* sem_ch6.ads: Mark Conformance_Type as Ordered
	* sem_prag.adb: Implement pragma Ordered
	* sem_res.adb (Bad_Unordered_Enumeration_Reference): New function
	(Resolve_Comparison_Op): Diagnose unordered comparison
	(Resolve_Range): Diagnose unordered range
	* sem_warn.adb (Warn_On_Unordered_Enumeration_Type): New flag (from
	-gnatw.u/U)
	* snames.ads-tmpl: Add entry for pragma Ordered
	* style.ads (Check_Enumeration_Subrange): Removed
	* styleg.adb (Check_Enumeration_Subrange): Removed
	* styleg.ads (Check_Enumeration_Subrange): Removed
	* stylesw.adb: Remove handling of -gnatyE switch
	* stylesw.ads: (Style_Check_Enumeration_Subranges): Removed
	* vms_data.ads: Remove -gnatyE entries
	Add -gnatw.u entries
	* ug_words: Entries for -gnatw.u and -gnatw.U
	* gnat_ugn.texi: Document -gnatw.u/-gnatw.U switches
	* gnat_rm.texi: Document pragma Ordered.
	* s-tasren.adb: Avoid unnecessary comparison on unordered enumeration.
	* s-tpobop.adb: Remove comparison on unordered enumeration type.

From-SVN: r164070

2010-09-09  Vincent Celier  <celier@adacore.com>

	* adaint.c: New function __gnat_get_env_vars_case_sensitive, returns 0
	for VMS and Windows, and 1 for all other platforms.
	* adaint.h: New function __gnat_get_env_vars_case_sensitive
	* osint.ads, osint.adb (Canonical_Case_Env_Var_Name): New procedure.
	* prj-ext.adb (Add): Call Canonical_Case_Env_Var_Name instead of
	Canonical_Case_File_Name, as we are dealing with environment variables,
	not files.

From-SVN: r164069

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* sem_util.adb: Minor reformatting

2010-09-09  Vincent Celier  <celier@adacore.com>

	* vms_data.ads: Add documentation for S_Make_Single.

From-SVN: r164068

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

	* sem_util.adb (Same_Object): include formal parameters.

2010-09-09  Vincent Celier  <celier@adacore.com>

	* make.adb (Queue): New package implementing a new impementation of the
	queue, taking into account the new switch --single-compile-per-obj-dir.
	* makeutl.ads (Single_Compile_Per_Obj_Dir_Switch): New constant String
	for gnatmake and gprbuild new switch --single-compile-per-obj-dir.
	* opt.ads (One_Compilation_Per_Obj_Dir): New Boolean flag, defauted to
	False.
	* switch-m.adb (Scan_Make_Switches): Take into account new gnatmake
	switch --single-compile-per-obj-dir.
	* vms_data.ads: Add qualifier SINGLE_COMPILE_PER_OBJ_DIR for gnatmake
	switch --single-compile-per-obj-dir.
	* gnat_ugn.texi: Add documentation for new gnatmake switch
	--single-compile-per-obj-dir.

From-SVN: r164067

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

	* einfo.adb, einfo.ads: Clarify use of Corresponding_Protected_Entry.

From-SVN: r164066

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

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

	* exp_ch3.adb (Build_Untagged_Equality): Do not set alias of implicit
	inequality, it is always rewritten as the negation of the corresponding
	equality operation.
	* exp_ch8.adb (Expand_N_Subprogram_Renaming): If the subprogram renames
	the predefined equality of an untagged record, create a body at the
	point of the renaming, to capture the current meaning of equality for
	the type.

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* sem.adb, sem_warn.adb: Minor reformatting.

From-SVN: r164064

From-SVN: r164063

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

	* sem_ch6.adb: Improve error message on untagged equality.
	* sem.adb (Semantics): Include subprogram bodies that act as spec.

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

	* sem_ch13.adb, exp_ch13.adb: Undo previous change, unneeded.

From-SVN: r164062

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* sem_ch13.adb, sem_ch6.adb, exp_ch3.adb: Minor reformatting.

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* einfo.adb (Is_Aggregate_Type): New function.
	* einfo.ads (Aggregate_Kind): New enumeration subtype
	(Is_Aggregate_Type): New function.
	* sem_type.adb (Is_Array_Class_Record_Type): Removed, replaced by
	Is_Aggregate_Typea.

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* exp_ch11.adb, frontend.adb, sem_attr.adb, sem_ch10.adb, sem_ch3.adb,
	sem_ch4.adb, sem_ch9.adb, sem_res.adb: Use Restriction_Check_Needed
	where appropriate.
	* restrict.ads, restrict.adb: Ditto.
	(Restriction_Check_Needed): New function

From-SVN: r164061

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

	* exp_ch9.ads (Find_Master_Scope): New function, extracted from
	Build_Master_Entity, to find the proper scope for the master entity of
	a type that may contain tasks, in the presence of transient scopes.
	* exp_ch9.adb (Build_Master_Entity) Use new function.
	* exp_ch3.adb (Build_Class_Wide_Master): ditto.

2010-09-09  Vincent Celier  <celier@adacore.com>

	* prj-attr.adb: Add new attributes Leading_Library_Options and
	Linker'Leading_Switches.
	* snames.ads-tmpl: Add new standard names Leading_Library_Options and
	Leading_Switches.

From-SVN: r164060

sem_ch3.adb (Derive_Subprogram): The code that checks if a dispatching primitive covers some interface primitive...

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

	* sem_ch3.adb (Derive_Subprogram): The code that checks if a
	dispatching primitive covers some interface primitive is incomplete.
	Replace such code by the invocation of a new subprogram that provides
	this functionality.
	* sem_ch6.ads (Is_Interface_Conformant): Add missing documentation.
	* sem_ch6.adb (Check_Missing_Return): Minor reformating
	(Check_Convention): Complete if-statement conditition when reporting
	errors (to avoid assertion failure).
	* sem_ch13.adb (Make_Null_Procedure_Specs): This routine was previously
	located in exp_ch3. Relocated inside Analyze_Freeze_Entity.
	(Analyze_Freeze_Entity): Invoke routine that adds the spec of non
	overridden null interface primitives.
	* sem_type.adb (Is_Ancestor): If the parent of the partial view of a
	private type is an interface then use the parent of its full view to
	climb to its ancestor type.
	* sem_disp.ads, sem_disp.adb (Covers_Some_Interface): New subprogram.
	(Check_Dispatching_Operation): Extend assertion to handle wrappers of
	null interface primitives.
	(Is_Null_Interface_Primitive): New subprogram.
	* exp_ch3.adb (Make_Null_Procedure_Specs): Removed.
	(Expand_Freeze_Record_Type): Do not generate specs of null interface
	subprograms because they are now generated by Analyze_Freeze_Entity.

From-SVN: r164059

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* a-calfor.adb, sem_ch3.adb: Minor reformatting.

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* bindgen.adb (Gen_Restrictions_Ada): Avoid explicit enumeration ranges
	(Gen_Restrictions_C): Avoid explicit enumeration ranges
	(Set_String_Replace): New procedure
	* casing.ads (Known_Casing): New subtype declaration
	* prj-attr.ads (All_Case_Insensitive_Associative_Array): New subtype
	declaration
	* prj-dect.adb (Parse_Attribute_Declaration): Avoid enumeration range
	* prj-nmsc.adb (Check_Naming): Avoid unnecessary enumeration range
	* prj-strt.adb (Attribute_Reference): Avoid enumeration range test
	* prj.adb (Known_Casing): Moved to Casing spec (avoid enum range)
	* sem_ch13.adb (Adjust_Record_For_Reverse_Bit_Order): Avoid enumeration
	ranges
	* sem_res.adb (Resolve_Range): Check for enumeration subrange style rule
	* sem_type.adb (Is_Array_Class_Record_Type): New.
	* style.ads (Check_Enumeration_Subrange): New procedure
	* styleg.adb (Check_Enumeration_Subrange): New procedure
	* styleg.ads (Check_Enumeration_Subrange): New procedure
	* stylesw.adb Add handling for Style_Check_Enumeration_Subranges
	* stylesw.ads (Style_Check_Enumeration_Subranges): New flag
	* usage.adb: Add line for -gnatyE
	* vms_data.ads: Add entries for [NO]ENUMERATION_RANGES
	Add missing entry for NOBOOLEAN_OPERATORS
	* gnat_ugn.texi: Add documentation for -gnatyE

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* namet.adb (Initialize): Is now a dummy procedure
	(Reinitialize): New procedure
	Call Reinitialize from package initialization
	* namet.ads (Initialize): Is now a dummy procedure
	(Reinitialize): New procedure
	* clean.adb, gnat1drv.adb, gnatbind.adb, gnatcmd.adb, gnatlink.adb,
	gnatls.adb, gprep.adb, make.adb, prj-makr.adb: Remove obsolete call to
	Namet.Initialize.

2010-09-09  Bob Duff  <duff@adacore.com>

	* sem_elab.adb, s-os_lib.ads: Minor comment fixes.

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* s-bitops.adb (Raise_Error): Add exception message

From-SVN: r164058

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* par-ch5.adb (Test_Statement_Required): Deal with Ada 2012 allowing no
	null statement after label.
	* sinfo.ads: Minor comment updates.

From-SVN: r164057

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* nlists.ads, nlists.adb (In_Same_List): New function.
	Use Node_Or_Entity_Id where appropriate.
	* par-labl.adb, sem_ch6.adb, sem_type.adb: Use In_Same_List.

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* restrict.ads, restrict.adb (Check_Wide_Character_Restriction): New
	procedure.
	* sem_ch3.adb: Use Check_Wide_Character_Restriction
	(Enumeration_Type_Declaration): Check violation of No_Wide_Characters
	* sem_ch8.adb (Find_Direct_Name): Check violation of No_Wide_Characters
	(Find_Expanded_Name): Check violation of No_Wide_Characters

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* par-ch5.adb: Minor reformatting.

From-SVN: r164056

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* prj-env.adb: Minor code reorganization.
	* par-ch3.adb: Minor reformatting.
	* gcc-interface/Make-lang.in: Update dependencies.

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

	* exp_ch9.adb (Build_Activation_Chain_Entity): The construct enclosing
	a task declaration can be an entry body.

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

	* exp_disp.adb (Make_DT): Decorate as "static" variables containing
	tags of library level tagged types.
	(Make_Tags): Disable backend optimizations about aliasing for
	declarations of access to dispatch tables.

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

	* sem_ch12.adb (Reset_Entity): If the entity is an itype created as a
	subtype for a null-excluding access type, recover the original
	subtype_mark to get the proper visibility on the original name.

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

	* exp_ch3.adb (Build_Untagged_Equality): For Ada2012, new procedure to
	create the primitive equality operation for an untagged record. The
	operation is the predefined equality if no record component has a
	user-defined equality, or if there is a user-defined equality for the
	type as a whole, or when the type is derived and it has an inherited
	equality. Otherwise the body of the operations is built as for tagged
	types.
	(Expand_Freeze_Record_Type): Call Build_Untagged_Equality when needed.
	(Make_Eq_Body): New function to create the expanded body of the equality
	operation for tagged and untagged records.  In both cases the operation
	composes, and the primitive operation of each record component is used
	to generate the equality function for the type.
	* exp_ch4.adb (Expand_Composite_Equality): In Ada2012, if a component
	has an abstract equality defined, replace its call with a
	Raise_Program_Error.
	* sem_ch6.adb (New_Overloaded_Entity): if Ada2012, verify that a
	user-defined equality operator for an untagged record type does not
	happen after type is frozen, and appears in the visible part if partial
	view of type is not limited.

2010-09-09  Tristan Gingold  <gingold@adacore.com>

	* gnatlbr.adb: Make Create_Directory more portable: use __gnat_mkdir.

2010-09-09  Bob Duff  <duff@adacore.com>

	* gnat_ugn.texi: Remove incorrect statement about -E being the default.

From-SVN: r164055

2010-09-09  Pascal Obry  <obry@adacore.com>

	* gnat_ugn.texi: Update doc on windows related topics.

2010-09-09  Geert Bosch  <bosch@adacore.com>

	* s-fatgen.adb: Update comments.

From-SVN: r164054

2010-09-09  Robert Dewar  <dewar@adacore.com>

	* par-ch4.adb (Box_Error): New procedure.

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

	* sem.adb: Minor reformatting.

2010-09-09  Pascal Obry  <obry@adacore.com>

	* prj-env.adb: Style fix, use /and then/ and /or else/.
	* gnat_ugn.texi: Fix typos.

From-SVN: r164053

re PR fortran/43665 (INTENT(IN) etc. optimization of calls: function annotations for noclobber/noescape arguments)

2010-09-09  Tobias Burnus  <burnus@net-b.de>

        PR fortran/43665
        * intrincic.texi (FGET, FGETC, FPUT, FPUTC, FSTAT, GETCWD, KILL,
        STAT): Show also syntax for the function version.
        * intrinsic.c (add_sym_1s_intent, add_sym_2s_intent,
         add_sym_3s_intent): Remove function.
        (add_sym_1s, add_sym_2s, add_sym_3s): Take always the intent
        as argument.
        (add_sym_2_intent): New function.
        (add_functions): Set intent for functions which modify
        the argument: fstat, fgetc, fget, hostnm, lstat, stat. Change
        argument name of hostnm from "a" to "c"
        (add_subroutines): Change add_sym_*s_intent to
        add_sym_*s and add intent to the add_sym_*s calls.

From-SVN: r164052

	PR c++/45588
	* pt.c (tsubst) <case INTEGER_TYPE>: Call mark_rvalue_use
	before calling fold_decl_constant_value.

	* g++.dg/warn/Wunused-var-15.C: New test.

From-SVN: r164051

	* rtl.def (DEBUG_IMPLICIT_PTR): New rtl code.
	* rtl.h (DEBUG_IMPLICIT_PTR_DECL): Define.
	* rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_IMPLICIT_PTR.
	* print-rtl.c (print_rtx): Likewise.
	* cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
	* cfgexpand.c (expand_debug_expr): Generate DEBUG_IMPLICIT_PTR
	for ADDR_EXPR with non-addressable object.
	* dwarf2out.c (enum dw_val_class): Add dw_val_class_decl_ref.
	(struct dw_val_struct): Add v.val_decl_ref.
	(dwarf_stack_op_name, output_loc_operands, output_loc_operands_raw):
	Handle DW_OP_GNU_implicit_pointer.
	(size_of_loc_descr): Likewise.  Fix up DW_OP_call_ref size.
	(get_ref_die_offset_label): New function.
	(implicit_ptr_descriptor): New function.
	(mem_loc_descriptor): Handle DEBUG_IMPLICIT_PTR.
	(loc_descriptor): Likewise.
	(gen_variable_die): Put even definitions into decl_die_table.
	(resolve_addr_in_expr): Resolve still unresolved
	DW_OP_GNU_implicit_pointer operands, if it can't be resolved
	return false.
	(dwarf2out_finish): Call output_location_lists after outputting
	.debug_info and .debug_abbrev instead of before.

	* dwarf2.h (DW_OP_GNU_implicit_pointer): New.

2010-09-09  Roland McGrath  <roland@redhat.com>

	* dwarf2out.c (DWARF_REF_SIZE): Define.
	(size_of_loc_descr): Use it for DW_OP_call_ref.

From-SVN: r164050

From-SVN: r164048

From-SVN: r164046

	* doc/invoke.text: Reinstate mcmodel=medium.
	* config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
	CMODEL_MEDIUM as default.
	* config/rs6000/rs6000.h (enum rs6000_cmodel): Add CMODEL_MEDIUM.
	* config/rs6000/rs6000.c (rs6000_handle_option): Add mcmodel=medium.
	(toc_relative_ok, offsettable_ok_by_alignment): New functions.
	(rs6000_emit_move): Reinstate mcmodel=medium optimization.

From-SVN: r164045

	* c-c++-common/Wunused-var-12.c: Add -fno-common to options on 32-bit
	hppa*-*-hpux*.

From-SVN: r164044

From-SVN: r164041

	* lto.c (real_file_count, real_file_decl_data): New static vars.
	(read_cgraph_and_symbols): Use it.

From-SVN: r164037

re PR target/45250 (FAIL: tr1/5_numerical_facilities/special_functions/01_assoc_laguerre/check_nan.cc)

	PR target/45250
	* config/pa/pa.md (nonlocal_goto): Restore hard frame pointer using
	hard_frame_pointer_rtx instead of virtual_stack_vars_rtx.
	(builtin_longjmp): Likewise.
	(allocate_stack): Use hard_frame_pointer_rtx instead of
	frame_pointer_rtx.
	* config/pa/pa-protos.h (pa_initial_elimination_offset): Declare.
	* config/pa/pa.c (pa_internal_arg_pointer): Declare.
	(pa_can_eliminate): Likewise.
	(TARGET_INTERNAL_ARG_POINTER): Define.
	(TARGET_CAN_ELIMINATE): Define.
	(hppa_expand_prologue): Use hard frame pointer instead of soft frame
	pointer.
	(hppa_expand_epilogue, pa_eh_return_handler_rtx): Likewise.
	(pa_internal_arg_pointer, pa_can_eliminate,
	pa_initial_elimination_offset): New.
	* config/pa/pa.h (FRAME_POINTER_REGNUM): Set to new general register.
	(HARD_FRAME_POINTER_REGNUM): Set to register three.
	(INITIAL_FRAME_POINTER_OFFSET): Delete.
	(ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET, DWARF_FRAME_REGISTERS):
	Define.
	(DWARF_ALT_FRAME_RETURN_COLUMN, REGNO_OK_FOR_INDEX_P,
	REGNO_OK_FOR_BASE_P): Update to include soft frame pointer.
	* config/pa/pa32-regs.h (FIRST_PSEUDO_REGISTER): Increase by one.
	(FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER,
	REG_CLASS_CONTENTS, REGNO_REG_CLASS, REGISTER_NAMES): Update to include
	new soft frame pointer.
	* config/pa/pa64-regs.h: Likewise.

From-SVN: r164036

	numerical constant.
	(EH_RETURN_STACKADJ_RTX): Use CX_REG insted of numerical constant.

From-SVN: r164033

PR debug/45531
* cfglayout.c (fixup_reorder_chain): Skip debug insns.

From-SVN: r164032

PR debug/45419
PR debug/45408
* tree-pretty-print.c (dump_generic_node): Disregard top-level
qualifiers in otherwise equal MEM_REF pointer types.
* fold-const.c (operand_equal_p): Compare pointer type of MEM_REFs.
* tree.c (iterative_hash_expr): Hash the pointer type of MEM_REFs.

From-SVN: r164031

re PR target/44392 (libgcc compile with --enable-target-optspace (-Os) causes recursion in __bswapsi2)

2010-09-08  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/44392
	* config/arm/arm.md (bswapsi2): Handle condition correctly
	for armv6 and optimize_size.

From-SVN: r164029

From-SVN: r164026

From-SVN: r164025

	* objc/execute/exceptions/throw-nil.m: New test.
	* objc/execute/exceptions/handler-1.m: Updated to use the new
	objc_set_uncaught_exception_handler() function.
	* objc/execute/exceptions/matcher-1.m: New test.

From-SVN: r164024

	* objc/objc-exception.h: New file.
	* exception.c (objc_set_uncaught_exception_handler): Implemented.
	(objc_set_exception_matcher): Implemented.
	(objc_exception_throw): Use the uncaught exception handler if set.
	(PERSONALITY_FUNCTION): Use the exception matcher instead of the
	hardcoded isKindOf.
	(isKindOf): Renamed to is_kind_of_exception_matcher.  Tidied code
	up.  Removed segmentation fault when value is 'nil'.
	* objc/objc-api.h (_objc_unexpected_exception): Mark as
	deprecated.
	* Makefile.in (exception.lo, exception_gc.lo): Use
	-Wno-deprecated-declarations when compiling.
	(OBJC_H): Added objc-exception.h

From-SVN: r164023

        PR other/18555
        * doc/cppopts.texi (-isysroot): Document Darwin behaviour.

From-SVN: r164022