2011-11-21  Steve Baird  <baird@adacore.com>

	* sem_util.ads: Update comment describing function
	Deepest_Access_Level.
	* sem_util.adb (Deepest_Type_Access_Level): Return Int'Last for a
	generic formal type.
	(Type_Access_Level): Return library level
	for a generic formal type.
	* sem_attr.adb (Resolve_Attribute): Replace two Type_Access_Level
	calls with calls to Deepest_Type_Access_Level.
	* sem_ch3.adb (Analyze_Component_Declaration): replace a
	Type_Access_Level call with a call to Deepest_Type_Access_Level.
	* sem_res.adb (Resolve_Allocator.Check_Allocator_Discrim_Accessibility):
	Replace three Type_Access_Level calls with calls to
	Deepest_Type_Access_Level.
	(Resolve_Allocator): Replace a Type_Access_Level call with a call to
	Deepest_Type_Access_Level.
	(Valid_Conversion.Valid_Array_Conversion): Replace a
	Type_Access_Level call with a call to Deepest_Type_Access_Level.

From-SVN: r181570

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb, s-taprop-vms.adb, opt.ads: Minor reformatting.

From-SVN: r181569

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* sinput.ads: Minor comment fix.

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* exp_attr.adb (Expand_N_Attribute_Reference, case First_Bit,
	Last_Bit, Position): Handle 2005 case.

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* s-atocou-builtin.adb (Decrement): Use Unrestricted_Access
	to deal with fact that we properly detect the error if Access
	is used.
	(Increment): Same fix.
	* s-taprop-linux.adb (Create_Task): Use Unrestricted_Access
	to deal with fact that we properly detect the error if Access
	is used.
	* sem_util.adb (Is_Volatile_Object): Properly record that A.B is
	volatile if the B component is volatile. This affects the check
	for passing such a by reference volatile actual to a non-volatile
	formal (which should be illegal)

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* freeze.adb (Freeze_Enumeration_Type): Make sure to set both
	size and alignment for foreign convention enumeration types.
	* layout.adb (Set_Elem_Alignment): Redo setting of alignment
	when size is set.

2011-11-21  Yannick Moy  <moy@adacore.com>

	* checks.adb (Apply_Access_Check, Apply_Arithmetic_Overflow_Check,
	Apply_Discriminant_Check, Apply_Divide_Check,
	Apply_Selected_Length_Checks, Apply_Selected_Range_Checks,
	Build_Discriminant_Checks, Insert_Range_Checks, Selected_Length_Checks,
	Selected_Range_Checks): Replace reference to Expander_Active
	with reference to Full_Expander_Active, so that expansion of
	checks is not performed in Alfa mode

2011-11-21  Tristan Gingold  <gingold@adacore.com>

	* s-taprop-vms.adb (Create_Task): Use Unrestricted_Access to deal with
	fact that we properly detect the error if Access is used.

2011-11-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* par-ch4.adb (P_Quantified_Expression): Add an Ada 2012 check.

2011-11-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_imgv.adb: Add with and use clause for Errout.
	(Expand_Width_Attribute): Emit a warning when in
	configurable run-time mode to provide a better diagnostic message.

2011-11-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* s-finmas.adb (Finalize): Add comment concerning double finalization.

2011-11-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Access_Definition): If the access definition
	is itself the return type of an access to function definition
	which is ultimately the return type of an access to subprogram
	declaration, its scope is the enclosing scope of the ultimate
	access to subprogram.

2011-11-21  Steve Baird  <baird@adacore.com>

	* sem_res.adb (Valid_Conversion): If a conversion was legal
	in the body of a generic, then the corresponding conversion is
	legal in the expanded body of an instance of the generic.

From-SVN: r181568

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb: Minor reformatting.

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* s-utf_32.adb (Is_UTF_32_Line_Terminator): Recognize NEL as
	line terminator.
	* sinput.ads: Add section on Handling of Source Line Terminators.
	* types.ads (Line_Terminator): Adjust comments.

From-SVN: r181567

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* frontend.adb (Frontend): Capture restrictions from config files
	* lib-load.adb (Load_Unit): Save/set/restore restriction pragma
	information
	* lib-xref.adb (Generate_Reference): Fix handling of obsolescent
	references. This was noticed during debugging, but it is not
	known if it causes real bugs.
	* restrict.ads, restrict.adb: New routines to save/set/restore
	non-partition-wide restrictions.
	* s-rident.ads: Comment changes for new handling of
	No_Elaboration_Code
	* sem.adb (Sem): Save/Set/Restore non-partition-wide restrictions
	* sem_ch10.adb (Analyze_Compilation_Unit): Remove incomplete
	attempt to save/restore non-partition-wide restrictions (now
	this work is all done in Sem).
	* sem_prag.adb (Process_Restrictions_Or_Restriction_Warnings):
	Special handling for restriction No_Elaboration_Code.

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Document new handling of restrictions pragmas.

From-SVN: r181566

2011-11-21  Pascal Obry  <obry@adacore.com>

	* s-taprop-linux.adb (Initialize_Lock): Do not allocate a cond
	attribute as not needed.

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb: Minor reformatting.

2011-11-21  Pascal Obry  <obry@adacore.com>

	* gnat_rm.texi: Document restriction for stdcall convention on
	dispatching calls.

From-SVN: r181565

2011-11-21  Pascal Obry  <obry@adacore.com>

	* sem_prag.adb (Process_Convention): A dispatching call cannot
	have a stdcall calling convention.

2011-11-21  Pascal Obry  <obry@adacore.com>

	* s-taprop-linux.adb (Initialize_Lock): Do not allocate a
	mutex attribute as not needed.
	(Initialize_TCB): Likewise.
	(Initialize): Likewise.

From-SVN: r181564

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* sem_ch6.adb (Is_Public_Subprogram_For): New procedure
	(Process_PPCs): Invariants only apply to public subprograms.

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* sem_util.adb, sem_util.ads, sem_attr.adb, restrict.adb,
	restrict.ads: Fix for No_Implicit_Aliasing in the renames case.

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* a-finali.ads: Use pragma Pure_12 for this unit
	* aspects.adb: Add aspect Pure_12
	* aspects.ads: Add aspect Pure_12
	* opt.ads: Add note on Pure_12
	* par-prag.adb: Add dummy entry for Pure_12
	* sem_prag.adb: Implement Pure_12 pragma
	* snames.ads-tmpl: Add Entry for Pure_12

2011-11-21  Sergey Rybin  <rybin@adacore.com frybin>

	* vms_data.ads: Add qualifiers for new gnatpp options
	'--call_threshold' and '--par_threshold".
	* gnat_ugn.texi: Add description for new gnatpp options
	'--call_threshold' and '--par_threshold".

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* lib.ads: Minor reformatting.

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* lib-load.ads: Add comment.

From-SVN: r181563

2011-11-21  Gary Dismukes  <dismukes@adacore.com>

	* sem_elab.adb: Minor reformatting

From-SVN: r181562

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* exp_ch6.adb: Minor reformatting.

2011-11-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch12.adb (Check_Formal_Package_Instance): If a formal
	subprogram of the formal package is covered by an others
	association with a box initialization, no check is needed
	against the actual in the instantiation of the formal package.

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* sem_elab.adb (Check_Internal_Call_Continue): Suppress junk
	elab warning from within precondition/postcondition etc.

From-SVN: r181561

2011-11-21  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch6.adb (Expand_Actuals): In Ada 2012, a function call
	with out parameters may generate assignments to force constraint
	checks. These checks must be properly placed in the code after the
	declaration or statement that contains the call.

2011-11-21  Fedor Rybin  <frybin@adacore.com>

	* gnat_ugn.texi: Adding info on current gnattest limitations an
	support of -X option.

2011-11-21  Robert Dewar  <dewar@adacore.com>

	* a-cfdlli.adb, a-cbdlli.adb: Minor reformatting.

From-SVN: r181559

	* Fix last ChangeLog entry.

From-SVN: r181558

2011-11-21  Daniel Krugler  <daniel.kruegler@googlemail.com>

	PR libstdc++/51185
	* include/std/type_traits (__is_base_to_derived_ref,
	__is_lvalue_to_rvalue_ref): Fix.
	* testsuite/20_util/is_constructible/51185.cc: New.
	* testsuite/20_util/is_constructible/value-2.cc: Extend.

From-SVN: r181557

	* Fix last ChangeLog entry.

From-SVN: r181556

2011-11-21  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/std/tuple (__conv_types, __one_by_one_convertible,
	__all_convertible): Remove.
	(tuple<>::tuple(_UElements&&...),
	tuple<>::tuple(const tuple<_UElements...>&),
	tuple<>::tuple(tuple<_UElements...>&&)): Remove wa for c++/48322.

From-SVN: r181555

	* config/avr/avr.h (struct base_arch_s): Add field sfr_offset.
	* config/avr/avr-devices.c: Ditto. And initialize it.
	* config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in define
	__AVR_SFR_OFFSET__.
	* config/avr/avr-protos.h (out_movqi_r_mr, out_movqi_mr_r): Remove.
	(out_movhi_r_mr, out_movhi_mr_r): Remove.
	(out_movsi_r_mr, out_movsi_mr_r): Remove.
	* config/avr/avr.md (*cbi, *sbi): Use %i instead of %m-0x20.
	(*insv.io, *insv.not.io): Ditto.
	* config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r): Make static.
	(print_operand): Implement "%i" to print address as I/O address.
	(output_movqi): Clean up call of out_movqi_mr_r.
	(output_movhi): Clean up call of out_movhi_mr_r.
	(avr_file_start): Use avr_current_arch->sfr_offset instead of
	magic -0x20. Use TMP_REGNO, ZERO_REGNO instead of 0, 1.
	(avr_out_sbxx_branch): Use %i instead of %m-0x20.
	(out_movqi_r_mr, out_movqi_mr_r): Ditto. And make static.
	(out_movhi_r_mr, out_movhi_mr_r): Ditto. And use avr_asm_len.
	(out_shift_with_cnt): Clean up code: Use avr_asm_len.
	(output_movsisf): Use output_reload_insisf for all CONSTANT_P sources.
	(avr_out_movpsi): USE avr_out_reload_inpsi for all CONSTANT_P sources.
	Clean up call of avr_out_store_psi.
	(output_reload_in_const): Don't cut symbols longer than 2 bytes.
	(output_reload_insisf): Filter CONST_INT_P or CONST_DOUBLE_P to
	try if setting pre-cleared register is advantageous.
	(avr_out_plus_1): Use gen_int_mode instead of GEN_INT.

From-SVN: r181552

	PR target/49313
	* config/avr/t-avr (LIB2FUNCS_EXCLUDE): Add _moddi3, _umoddi3.
	(LIB1ASMFUNCS): Add _divdi3, _udivdi3, _udivmod64, _negdi2.
	* config/avr/lib1funcs.S (wmov): New assembler macro.
	(__umoddi3, __udivdi3, __udivdi3_umoddi3): New functions.
	(__moddi3, __divdi3, __divdi3_moddi3): New functions.
	(__udivmod64): New function.
	(__negdi2): New function.

From-SVN: r181551

	*-*-freebsd*aout*): Remove.

From-SVN: r181550

expr.c (expand_expr_real_1): Correctly handle strict volatile bitfield loads smaller than mode size.

2011-11-20  Joey Ye  <joey.ye@arm.com>

	* expr.c (expand_expr_real_1): Correctly handle strict volatile
	bitfield loads smaller than mode size.

testsuite:

	* gcc.dg/volatile-bitfields-1.c: New.

From-SVN: r181549

From-SVN: r181548

	PR c++/48322
gcc/cp/
	* cp-tree.h (PACK_EXPANSION_EXTRA_ARGS): New.
	* cp-tree.def (EXPR_PACK_EXPANSION): Add an operand for it.
	* pt.c (tsubst_pack_expansion): Set and use it.
	(iterative_hash_template_arg): Hash it.
	(template_args_equal): Compare it.
	(comp_template_args_with_info): Handle nulls.
	* tree.c (cp_walk_subtrees): Walk it.
	* typeck.c (structural_comptypes): Compare it.
	* ptree.c (cxx_print_type): Print it.
libstdc++-v3/
	* include/std/tuple (tuple(_UElements&&...)): Fix SFINAE.

From-SVN: r181547

	* pt.c (type_unification_real): Set input_location
	during default arg instantiation.

From-SVN: r181546

	* update_web_docs_svn: Make $DOCSDIR group writable after
	creating it.

From-SVN: r181545

	* static-object.mk (c_flags-$o): Save c_flags.
	($(base)$(objext)): Use it.

From-SVN: r181544

From-SVN: r181543

        * config/mips/mips.c (mips_init_libfuncs): Call init_sync_libfuncs.

From-SVN: r181539

/cp
2011-11-20  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51230
	* pt.c (unify_inconsistency): Handle non-type parameters better.
	* error.c (dump_expr): Handle TEMPLATE_TEMPLATE_PARM.

/cp
2011-11-20  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51230
	* g++.dg/template/error46.C: New.

From-SVN: r181538

re PR target/51235 (ICE: in extract_insn, at recog.c:2137 (unrecognizable insn) with -O -ftree-vectorize -mavx2 -mxop)

	PR target/51235
	* config/i386/i386.c (ix86_expand_vcond): Generate TARGET_XOP
	patterns for supported mode only.

	PR target/51236
	* config/i386/i386.c (ix86_expand_builtin)
	<IX86_BUILTIN_GATHERALTSIV4DI>: Use CODE_FOR_avx2_gathersiv4di.

testsuite/ChangeLog:

	PR target/51235
	* gcc.target/i386/pr51235.c: New test.

	PR target/51236
	* gcc.target/i386/pr51236.c: New test.

From-SVN: r181537

	* include/backward/binders.h: Fix examples in doxygen comments and
	suggest using std::bind instead.

From-SVN: r181535

From-SVN: r181534

From-SVN: r181533

	* doc/xml/manual/appendix_contributing.xml: Do not use "here" as link
	text.
	* doc/xml/faq.xml: Likewise. Do not request standard library issues
	to be reported to the libstdc++ mailing list.
	* doc/xml/manual/status_cxx2011.xml: Document implementation-defined
	behaviour.
	* doc/xml/manual/status_cxxtr1.xml: Likewise.
	* doc/xml/manual/utilities.xml: Fix grammar, probably caused by a
	global search and replace of "part" by "chapter".
	* doc/xml/manual/shared_ptr.xml: Remove outdated information.
	* doc/xml/manual/messages.xml: Be more specific about systems where
	using 'int' for catalog handle is not a problem, mentioned LWG issue.

From-SVN: r181532

	* config/i386/i386.md (UNSPEC_MOVNTI): Remove.
	(UNSPEC_MOVNTQ): New unspec.
	* config/i386/mmx.md (sse_movntq): Rename from sse_movntdi.
	Use UNSPEC_MOVNTQ instead of UNSPEC_MOVNT.
	* config/i386/sse.md (sse2_movnti<mode>): Use UNSPEC_MOVNT instead of
	UNSPEC_MOVNTI.
	(STORENT_MODE): Add DI and V4DI modes.

From-SVN: r181531

2011-11-20  Robert Dewar  <dewar@adacore.com>

	* exp_ch6.adb, exp_util.adb: Minor reformatting

2011-11-20  Eric Botcazou  <ebotcazou@adacore.com>

	* sinfo.ads (Reference): Document that it is OK to set
	Is_Known_Non_Null on a temporary initialized to a N_Reference
	node.

2011-11-20  Matthew Heaney  <heaney@adacore.com>

	* a-cbdlli.adb, a-cfdlli.adb (Move): Set Last component to 0
	for Source list.

From-SVN: r181530

exp_ch6.adb (Make_Build_In_Place_Call_In_Assignment): Declare NEW_EXPR local variable and attach the temporary to it.

2011-11-20  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_ch6.adb (Make_Build_In_Place_Call_In_Assignment):
	Declare NEW_EXPR local variable and attach the
	temporary to it.  Set Is_Known_Non_Null on the temporary.
	(Make_Build_In_Place_Call_In_Object_Declaration): Likewise.
	* exp_util.adb (Remove_Side_Effects): Set Is_Known_Non_Null on
	the temporary created to hold the 'Reference of the expression,
	if any.
	* checks.adb (Install_Null_Excluding_Check): Bail out for the
	Get_Current_Excep.all.all idiom generated by the expander.

From-SVN: r181529

	* gcc-interface/trans.c (struct language_function): Add GNAT_RET.
	(f_gnat_ret): New macro.
	(struct nrv_data): Add GNAT_RET.
	(finalize_nrv_unc_r): New helper function.
	(finalize_nrv): Add GNAT_RET parameter.  Copy it into DATA.  If the
	function returns unconstrained, use finalize_nrv_unc_r as callback.
	(return_value_ok_for_nrv_p): Test the alignment of RET_OBJ only if
	RET_OBJ is non-null.
	(Subprogram_Body_to_gnu): Pass GNAT_RET to finalize_nrv.
	(gnat_to_gnu) <N_Return_Statement>: In the return-unconstrained case,
	if optimization is enabled, record candidates for the Named Return
	Value optimization.

From-SVN: r181528

	* gcc-interface/trans.c (Subprogram_Body_to_gnu): Add comment.
	(gnat_to_gnu) <N_Return_Statement>: Add 'else' to avoid doing a useless
	test.  Tweak default case.
	<N_Goto_Statement>: Use better formatting.
	* gcc-interface/utils2.c (maybe_wrap_malloc): Use INIT_EXPR instead of
	MODIFY_EXPR to initialize the storage.
	(build_allocator): Likewise.

From-SVN: r181527

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>: Adjust
	call to components_to_record.
	(components_to_record): Add FIRST_FREE_POS parameter.  For the variant
	part, reuse enclosing union even if there is a representation clause
	on the Unchecked_Union.  If there is a variant part, compute the new
	first free position, if any.  Adjust call to self.  Use a single field
	directly only if it hasn't got a representation clause or is placed at
	offset zero.  Create the variant part at offset 0 if all the fields
	down to this level have a rep clause.  Do not chain the variant part
	immediately and adjust downstream.
	Do not test ALL_REP before moving the fields without rep clause to the
	previous level.  Call create_rep_part to create the REP part and force
	a minimum size on it if necessary.  Do not chain it immediately.
	Create a fake REP part if there are fields without rep clause that need
	to be laid out starting from FIRST_FREE_POS.
	At the end, chain the REP part and then the variant part.
	(create_rep_part): New function.
	(get_rep_part): Minor tweak.
	* gcc-interface/utils.c (tree_code_for_record_type): Minor tweak.

From-SVN: r181526

From-SVN: r181525

	PR gcov-profile/51113
	* coverage.c (build_var): Propagate visibility for public decls.

	testsuite/
	* gcc.misc-tests/gcov-13.c: Check gcovpart-13b coverage
	* gcc.misc-tests/gcov-16.c: New.
	* gcc.misc-tests/gcov-17.c: New.
	* g++.dg/gcov/gcov-8.C: New.
	* g++.dg/gcov/gcov-9.C: New.
	* g++.dg/gcov/gcov-10.C: New.

From-SVN: r181524