2014-01-29  Vincent Celier  <celier@adacore.com>

	* clean.adb (Gnatclean): Fail if main project is an aggregate
	project or if there is an aggregate library project in the
	project tree.
	* gnatcmd.adb: Fail if the main project is an aggregate project
	or if there is an aggegate library project in the project tree.
	* make.adb (Initialize): : Fail if main project is an aggregate
	project or if there is an aggregate library project in the
	project tree.
	* makeutl.ads (Aggregate_Libraries_In): New Boolean function.
	* prj-makr.adb (Initialize): Fail if the main project is an
	aggregate project or an aggregate library project.

From-SVN: r207255

prj-part.adb (Check_Import_Aggregate): New procedure to check if an imported project is an aggregate project.

2014-01-29  Vincent Celier  <celier@adacore.com>

	* prj-part.adb (Check_Import_Aggregate): New procedure
	to check if an imported project is an aggregate project.
	(Parse_Single_Project): Call Check_Import_Aggregate
	* projects.texi: Document that aggregate projects cannot be
	extended or imported.

From-SVN: r207254

2014-01-29  Robert Dewar  <dewar@adacore.com>

	* exp_ch9.adb, sem_ch7.ads, s-regexp.adb, sem_ch13.adb: Minor
	reformatting and code clean up.
	* gnat_ugn.texi: Add documentation section on Atomic Variables
	and Optimization.

From-SVN: r207253

2014-01-29  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.adb Flag264 is now unused.
	(Has_Body_References): Removed.
	(Set_Has_Body_References): Removed.
	(Write_Entity_Flags): Remove the output for flag Has_Body_References.
	* einfo.ads Update the comment on usage of attribute
	Body_References. Remove attribute Has_Body_References and its
	usage in nodes.
	(Has_Body_References): Removed along with pragma Inline.
	(Set_Has_Body_References): Removed along with pragma Inline.
	* sem_prag.adb (Analyze_Global_Item): Move the call to
	Record_Possible_Body_Reference in the state related checks
	section. Add a comment intended function.
	(Analyze_Input_Output): Move the call to Record_Possible_Body_Reference
	in the state related checks section. Add a comment intended function.
	(Analyze_Refinement_Clause): Cleanup the illegal body reference
	reporting. Add a comment on timing of error reporting.
	(Record_Possible_Body_Reference): Reimplement the routine.

2014-01-29  Vincent Celier  <celier@adacore.com>

	* makeutl.adb (Mains.Find_File_Add_Extension): Only look for specs for
	unit-based languages.
	(Mains.Complete_Mains.Do_Complete): Use the source file project
	tree when calling Find_File_Add_Extension. Use the correct
	project name when reporting an error.

From-SVN: r207252

	* aspects.adb Add an entry for aspect Part_Of in table
	Canonical_Aspect.
	* aspects.ads Add an entry for aspect Part_Of in tables Aspect_Id,
	Aspect_Argument, Aspect_Names and Aspect_Delay.
	* atree.h Define Elist9.
	* atree.adb (Elist9): New routine.
	(Set_Elist9): New routine.
	* atree.ads (Elist9): New routine.
	(Set_Elist9): New routine.
	* einfo.adb Add Part_Of_Constituents and Encapsulating_State to
	the list of node usage.  Remove Refined_State from the list of
	node usage.
	(Encapsulating_State): New routine.
	(Get_Pragma):
	Handle pragma Part_Of; (Part_Of_Constituents): New routine.
	(Refined_State): Removed.
	(Set_Encapsulating_State): New routine.
	(Set_Part_Of_Constituents): New routine.
	(Set_Refined_State): Removed.
	(Write_Field9_Name): Add an entry
	for Part_Of_Constituents (Write_Field10_Name): Add an entry for
	Encapsulating_State. Remove the entry for Refined_State.
	* einfo.ads Add new attributes Encapsulating_State
	and Part_Of_Constituents alond with their usage in
	entities. Remove attribute Refined_State along with its
	usage in entities.
	(Encapsulating_State): New routine and
	pragma Inline.	(Get_Pragma): Update the comment on usage.
	(Part_Of_Constituents): New routine and pragma Inline.
	(Refined_State): Removed along with pragma Inline.
	(Set_Encapsulating_State): New routine and pragma Inline.
	(Set_Part_Of_Constituents): New routine and pragma Inline.
	(Set_Refined_State): Removed along with pragma Inline.
	* par-prag.adb Pragma Part_Of does not need any special processing
	by the parser.
	* sem_ch3.adb (Analyze_Declarations): Remove local variables
	Body_Id and Prag. Call separate routines to analyze the
	contract of a package [body].
	(Analyze_Object_Contract):
	Update the comment on usage. Remove local variables
	Items and Nam. Use Get_Pragma rather than traversing the
	classification list.  Verify whether the lack of indicator
	Part_Of agrees with the placement of the variable in state space.
	(Analyze_Object_Declaration): Initialize the encapsulating state
	of a variable.	(Requires_State_Refinement): Moved to sem_util.
	* sem_ch7.adb (Analyze_Package_Body_Contract): New routine.
	(Analyze_Package_Contract): New routine.
	* sem_ch7.ads (Analyze_Package_Body_Contract): New routine.
	(Analyze_Package_Contract): New routine.
	* sem_ch10.adb (Decorate_State): Initialize the encapsulating
	state and Part_Of constituents.
	* sem_ch13.adb (Analyze_Aspect_Specifications):
	Add processing for aspect Part_Of. Update all
	calls to Decorate_Delayed_Aspect_And_Pragma.
	(Check_Aspect_At_Freeze_Point): Aspect Part_Of does
	not need any special processing at freeze time.
	(Decorate_Delayed_Aspect_And_Pragma): Renamed to
	Decorate_Aspect_And_Pragma.  Add formal parameter Delayed and
	update the associated comment.
	* sem_prag.adb Add an entry for pragma Part_Of in table Sig_Flags.
	(Analyze_Abstract_State): Add new global variable State_Id. Remove
	local constants Errors and Loc. Remove local variables Is_Null
	and State_Nam. Create the entity of the abstract state on the
	spot, before all remaining checks are performed. Verify that a
	missing Part_Of option agrees with the placement of the abstract
	state within the state space.
	(Analyze_Depends_In_Decl_Part):
	Add new global variables Constits_Seen and States_Seen. Check
	that a state and a corresponding constituent do not appear
	in pragma [Refined_]Depends.
	(Analyze_Global_In_Decl_Part):
	Add new global variables Constits_Seen and States_Seen. Check
	that a state and a corresponding constituent do not appear
	in pragma [Refined_]Global.
	(Analyze_Global_Item):
	Remove the now obsolete code that deals with Part_Of.
	Add the entity of the global item to the list of processed
	items.	(Analyze_Initializes_In_Decl_Part): Add new global
	variables Constits_Seen and States_Seen. Check that a state
	and a corresponding constituent do not appear in pragma
	Initializes.
	(Analyze_Initialization_Item): Add the entity
	of the initialization item to the list of processed items.
	(Analyze_Input_Item): Add the entity of the initialization
	item to the list of processed items.
	(Analyze_Input_Output):
	Remove the now obsolete code that deals with Part_Of.  Add the
	entity of the input/output to the list of processed items.
	(Analyze_Part_Of): New routine.
	(Analyze_Part_Of_Option): Remove
	local constant Par_State. Add local constant Encaps and local
	variables Encaps_Id and Legal. Use Analyze_Part of to analyze
	the option. Turn the related state into a Part_Of constituent
	if the option is legal.
	(Analyze_Pragma): Add processing
	for pragma Part_Of.
	(Analyze_Refined_State_In_Decl_Part):
	Remove global constants Pack_Body and Spec_Id. Remove
	global variables Abstr_States and Hidden_States. Add new
	global variables Available_States, Body_Id, Body_States and
	Spec_Id. Add new local constant Body_Decl. Reimplement the
	logic that extracts the states available for refinement from
	the related package and the body hidden states of the said
	package.
	(Analyze_Refinement_Clause): Add local variable Part_Of_Constits.
	(Check_Applicable_Policy): Alphabetize body.
	(Check_Dependency_Clause): Replace Refined_State
	with Encapsulating_State.
	(Check_Matching_Constituent):
	Reimplement the logic that determines whether an item is a valid
	/ invalid constituent of the current refined state. Return when
	a construct does not denote a valid abstract state. Extract the
	list of Part_Of constituents for further analysis. Check that all
	Part_Of constituents of a state have been used in its refinement.
	(Check_Matching_State): Update the comment on usage. Operate
	on the list of available states.
	(Check_Missing_Part_Of): New routine.
	(Check_Refined_Global_Item): Replace Refined_State
	with Encapsulating_State.
	(Check_State_And_Constituent_Use): New routine.
	(Create_Abstract_State): New routine.
	(Is_Matching_Input): Replace Refined_State with Encapsulating_State.
	(Is_Part_Of): Removed.
	(Collect_Body_States): New routine.
	(Collect_Constituent): Replace Refined_State with Encapsulating_State.
	(Collect_Hidden_States): Removed.
	(Report_Unrefined_States): Change the profile of the procedure along
	with the comment on usage.
	(Report_Unused_Constituents): New routine.
	(Report_Unused_Hidden_States): Removed.
	(Report_Unused_States): New routine.
	* sem_prag.ads (Check_Missing_Part_Of): New routine.
	* sem_util.adb (Add_Contract_Item): Pragma Part_Of can now
	appear in the classification pragmas of a package instantiation
	or a variable.
	(Find_Placement_In_State_Space): New routine.
	(Is_Child): Removed.
	(Is_Child_Or_Sibling): Remove formal
	parameter Private_Child. Remove the private child checks.
	(Requires_State_Refinement): Moved from sem_ch3.
	* sem_util.ads Add new type State_Space_Kind along with
	comment on its usage and values.
	(Add_Contract_Item): Update the comment on usage.
	(Find_Body_Discriminal): Alphabetize spec.
	(Find_Placement_In_State_Space): New routine.
	(Is_Child_Or_Sibling): Remove formal parameter Private_Child
	and update the comment on usage.
	(Requires_State_Refinement): Moved from sem_ch3.
	* sinfo.ads: Update the documentation of N_Contract.
	* snames.ads-tmpl The predefined name for Part_Of is now used
	to denote a pragma. Add Pragma_Id for Part_Of.

From-SVN: r207251

2014-01-29  Emmanuel Briot  <briot@adacore.com>

	* s-regexp.adb (Create_Secondary_Table): Automatically grow the state
	machine as needed.
	(Dump): New subprogram.

2014-01-29  Tristan Gingold  <gingold@adacore.com>

	* exp_ch9.adb (Expand_N_Protected_Type_Declaration): Add
	Expand_Entry_Declaration to factorize code.

From-SVN: r207250

From-SVN: r207249

2014-01-29  Ed Schonberg  <schonberg@adacore.com>

	* checks.adb: minor clarification.
	* sem_ch7.adb (Declare_Inherited_Private_Subprograms): Limit
	search for primitive operations to the entities that immediately
	follow the type declaration.

From-SVN: r207248

2014-01-29  Tristan Gingold  <gingold@adacore.com>

	* exp_ch9.adb (Build_Protected_Entry): Do not call
	Complete_Entry_Body anymore.
	* rtsfind.ads (RE_Complete_Single_Entry_Body): Remove.
	* s-tposen.ads, s-tposen.adb (Complete_Single_Entry_Body): Remove.

2014-01-29  Pierre-Marie Derodat  <derodat@adacore.com>

	* s-os_lib.adb, s-os_lib.ads (Normalize_Pathname): Return an empty
	string when the Name input bigger than allowed. Adapt the function
	specification.

2014-01-29  Ed Schonberg  <schonberg@adacore.com>

	* checks.adb (Install_Null_Excluding_Check): Do not emit warning
	if expression is within a case_expression of if_expression.

From-SVN: r207247

2014-01-29  Robert Dewar  <dewar@adacore.com>

	* exp_ch9.adb, inline.ads: Minor reformatting.

From-SVN: r207246

2014-01-29  Tristan Gingold  <gingold@adacore.com>

	* exp_ch9.adb (Is_Exception_Safe): Return true if no exceptions.

2014-01-29  Yannick Moy  <moy@adacore.com>

	* inline.ads (Pending_Body_Info): Add SPARK_Mode and
	SPARK_Mode_Pragma components to be able to analyze generic
	instance.
	* sem_ch12.adb (Analyze_Package_Instantiation,
	Inline_Instance_Body, Need_Subprogram_Instance_Body,
	Load_Parent_Of_Generic): Pass in SPARK_Mode from instantiation
	for future analysis of the instance.
	(Instantiate_Package_Body,
	Instantiate_Subprogram_Body, Set_Instance_Inv): Set SPARK_Mode
	from instantiation to analyze the instance.

From-SVN: r207244

2014-01-29  Robert Dewar  <dewar@adacore.com>

	* sem_ch7.adb, sem_prag.adb, sem_ch4.adb, sem_ch6.adb: Minor code
	reorganization.

2014-01-29  Yannick Moy  <moy@adacore.com>

	* gnat_rm.texi: Update description of SPARK_Mode pragma.

2014-01-29  Tristan Gingold  <gingold@adacore.com>

	* exp_ch9.adb (Expand_N_Protected_Body): Remove Num_Entries.

From-SVN: r207243

2014-01-29  Thomas Quinot  <quinot@adacore.com>

	* sem_ch4.adb (Find_Component_In_Instance): Update comment.

2014-01-29  Ed Schonberg  <schonberg@adacore.com>

	* exp_util.adb (Build_Task_Image_Prefix): Indicate that the
	resulting string is an internal entity. and thus requires no
	initialization. This is relevant when Initialize_ Scalars is
	enabled, because the resultant spurious initialization may lead to
	secondary stack anomalies that produce a mangled name for a task.

2014-01-29  Yannick Moy  <moy@adacore.com>

	* sem_ch6.adb (Analyze_Subprogram_Body_Helper): SPARK_Mode
	not inherited from spec anymore. Check consistency
	rules after processing of declarations.
	* sem_ch7.adb (Analyze_Package_Body_Helper): SPARK_Mode not inherited
	from spec anymore. Check consistency rules after processing of
	declarations.
	(Analyze_Package_Declaration): Set SPARK_Mode only for non-generic
	packages.
	* sem_prag.adb (Analyze_Pragma/Pragma_SPARK_Mode): Implement new
	consistency rules.

From-SVN: r207242

	PR libstdc++/59829
	* include/bits/stl_vector.h (vector::data()): Call _M_data_ptr.
	(vector::_M_data_ptr): New overloaded functions to ensure empty
	vectors do not dereference the pointer.
	* testsuite/23_containers/vector/59829.cc: New.
	* testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
	Adjust dg-error line number.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_1_neg.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/
	constructor_2_neg.cc: Likewise.
	* testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
	Likewise.

From-SVN: r207241

	* include/bits/alloc_traits.h (allocator_traits::_S_allocate): Do
	not use varargs when argument could be non-POD.
	(__alloctr_rebind_helper): Eliminate static const bool member by
	using true_type and false_type.
	(allocator_traits::__allocate_helper): Likewise.
	(allocator_traits::__construct_helper): Likewise.
	(allocator_traits::__destroy_helper): Likewise.
	(allocator_traits::__maxsize_helper): Likewise.
	(allocator_traits::__select_helper): Likewise.
	* include/bits/ptr_traits.h (__ptrtr_rebind_helper): Likewise.
	* include/bits/stl_tree.h (_Rb_tree::operator=(const _Rb_tree&)):
	Remove redundant condition.
	* include/bits/stl_vector.h (vector::operator=(const vector&)):
	Likewise.
	(_Vector_impl::_M_allocate, _Vector_impl::_M_deallocate): Use
	indirection through __alloc_traits.
	* include/ext/alloc_traits.h (__allocator_always_compares_equal):
	Eliminate static const bool members by using true_type and false_type.
	(__gnu_cxx::__alloc_traits::__is_custom_pointer): Optimize.
	* testsuite/util/testsuite_allocator.h (PointerBase): Define.
	* testsuite/20_util/allocator_traits/members/allocate_hint_nonpod.cc:
	New.
	* testsuite/20_util/allocator_traits/requirements/typedefs2.cc: New.

From-SVN: r207240

2014-01-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/58742
	* tree-ssa-forwprop.c (associate_pointerplus): Rename to
	associate_pointerplus_align.
	(associate_pointerplus_diff): New function.
	(associate_pointerplus): Likewise.  Call associate_pointerplus_align
	and associate_pointerplus_diff.

	* gcc.dg/pr58742-1.c: New testcase.
	* gcc.dg/pr58742-2.c: Likewise.
	* gcc.dg/pr58742-3.c: Likewise.

From-SVN: r207239

2014-01-29  Richard Biener  <rguenther@suse.de>

	* lto-streamer.h (LTO_major_version): Bump to 3.
	(LTO_minor_version): Reset to 0.

From-SVN: r207238

gcc/
2014-01-29  Renlin Li  <Renlin.Li@arm.com>

	* config/arm/arm-arches.def (ARM_ARCH): Add armv7ve arch.
	* config/arm/arm.c (FL_FOR_ARCH7VE): New.
	(arm_file_start): Generate correct asm header for armv7ve.
	* config/arm/bpabi.h: Add multilib support for armv7ve.
	* config/arm/driver-arm.c: Change the architectures of cortex-a7
	and cortex-a15 to armv7ve.
	* config/arm/t-aprofile: Add multilib support for armv7ve.
	* doc/invoke.texi: Document -march=armv7ve.

gcc/testsuite/
2014-01-29  Renlin Li  <Renlin.Li@arm.com>

	* gcc.target/arm/ftest-armv7ve-arm.c: New.
	* gcc.target/arm/ftest-armv7ve-thumb.c: New.
	* lib/target-supports.exp: New armfunc, armflag and armdef for armv7ve.

From-SVN: r207237

	PR c++/59315
	* decl.c (cxx_maybe_build_cleanup): Call mark_used.

From-SVN: r207236

/cp
2014-01-29  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58702
	* semantics.c (finish_omp_reduction_clause): Check type for
	error_mark_node.

/testsuite
2014-01-29  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/58702
	* g++.dg/gomp/pr58702.C: New.

From-SVN: r207235

gcc/testsuite/ChangeLog:

	* c-c++-common/cpp/warning-zero-location-2.c: Fix error message
	specifier.

Signed-off-by: Dodji Seketeli <dodji@seketeli.org>

From-SVN: r207234

2014-01-29  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/58742
	* tree-ssa-forwprop.c (associate_plusminus): Return true
	if we changed sth, defer EH cleanup to ...
	(ssa_forward_propagate_and_combine): ... here.  Call simplify_mult.
	(simplify_mult): New function.

From-SVN: r207232

	PR middle-end/59917
	PR tree-optimization/59920
	* tree.c (build_common_builtin_nodes): Remove
	__builtin_setjmp_dispatcher initialization.
	* omp-low.h (make_gimple_omp_edges): Add a new int * argument.
	* profile.c (branch_prob): Use gsi_start_nondebug_after_labels_bb
	instead of gsi_after_labels + manually skipping debug stmts.
	Don't ignore bbs with BUILT_IN_SETJMP_DISPATCHER, instead
	ignore bbs with IFN_ABNORMAL_DISPATCHER.
	* tree-inline.c (copy_edges_for_bb): Remove
	can_make_abnormal_goto argument, instead add abnormal_goto_dest
	argument.  Ignore computed_goto_p stmts.  Don't call
	make_abnormal_goto_edges.  If a call might need abnormal edges
	for non-local gotos, see if it already has an edge to
	IFN_ABNORMAL_DISPATCHER or if it is IFN_ABNORMAL_DISPATCHER
	with true argument, don't do anything then, otherwise add
	EDGE_ABNORMAL from the call's bb to abnormal_goto_dest.
	(copy_cfg_body): Compute abnormal_goto_dest, adjust copy_edges_for_bb
	caller.
	* gimple-low.c (struct lower_data): Remove calls_builtin_setjmp.
	(lower_function_body): Don't emit __builtin_setjmp_dispatcher.
	(lower_stmt): Don't set data->calls_builtin_setjmp.
	(lower_builtin_setjmp): Adjust comment.
	* builtins.def (BUILT_IN_SETJMP_DISPATCHER): Remove.
	* tree-cfg.c (found_computed_goto): Remove.
	(factor_computed_gotos): Remove.
	(make_goto_expr_edges): Return bool, true for computed gotos.
	Don't call make_abnormal_goto_edges.
	(build_gimple_cfg): Don't set found_computed_goto, don't call
	factor_computed_gotos.
	(computed_goto_p): No longer static.
	(make_blocks): Don't set found_computed_goto.
	(get_abnormal_succ_dispatcher, handle_abnormal_edges): New functions.
	(make_edges): If make_goto_expr_edges returns true, push bb
	into ab_edge_goto vector, for stmt_can_make_abnormal_goto calls
	instead of calling make_abnormal_goto_edges push bb into ab_edge_call
	vector.  Record mapping between bbs and OpenMP regions if there
	are any, adjust make_gimple_omp_edges caller.  Call
	handle_abnormal_edges.
	(make_abnormal_goto_edges): Remove.
	* tree-cfg.h (make_abnormal_goto_edges): Remove.
	(computed_goto_p, get_abnormal_succ_dispatcher): New prototypes.
	* internal-fn.c (expand_ABNORMAL_DISPATCHER): New function.
	* builtins.c (expand_builtin): Don't handle
	BUILT_IN_SETJMP_DISPATCHER.
	* internal-fn.def (ABNORMAL_DISPATCHER): New.
	* omp-low.c (make_gimple_omp_edges): Add region_idx argument, when
	filling *region also set *region_idx to (*region)->entry->index.

	* gcc.dg/pr59920-1.c: New test.
	* gcc.dg/pr59920-2.c: New test.
	* gcc.dg/pr59920-3.c: New test.
	* c-c++-common/gomp/pr59917-1.c: New test.
	* c-c++-common/gomp/pr59917-2.c: New test.

From-SVN: r207231

	PR other/58712
	* read-rtl.c (read_rtx_code): Clear all of RTX_CODE_SIZE (code).
	For REGs set ORIGINAL_REGNO.

From-SVN: r207230

2014-01-29  Bingfeng Mei  <bmei@broadcom.com>

	* doc/md.texi: Mention that a target shouldn't implement 
	vec_widen_(s|u)mul_even/odd pair if it is less efficient
	than hi/lo pair.

From-SVN: r207228

	PR tree-optimization/59594
	* tree-vect-data-refs.c (vect_analyze_data_ref_accesses): Sort
	a copy of the datarefs vector rather than the vector itself.

	* gcc.dg/vect/no-vfa-vect-depend-2.c: New test.
	* gcc.dg/vect/no-vfa-vect-depend-3.c: New test.
	* gcc.dg/vect/pr59594.c: New test.

From-SVN: r207225

	PR c++/59791
	* pt.c (tsubst_decl) [VAR_DECL]: Allow in unevaluated context.
	(tsubst_copy): Use it if lookup fails.

From-SVN: r207224

From-SVN: r207223

	PR c++/59818
	* pt.c (tsubst_function_type): Make sure we keep the same function
	quals.

From-SVN: r207215

From-SVN: r207214

	PR c++/58701
	* semantics.c (build_anon_member_initialization): Stop walking
	when we run out of COMPONENT_REFs.

From-SVN: r207209

	PR c++/58632
	* decl.c (lookup_and_check_tag): Ignore template parameters if
	scope == ts_current.
	* pt.c (check_template_shadow): Don't complain about the injected
	class name.

From-SVN: r207208

From-SVN: r207205

2014-01-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/59414
	* trans-stmt.c (gfc_trans_allocate): Before the pointer
	assignment to transfer the source _vptr to a class allocate
	expression, the final class reference should be exposed. The
	tail that includes the _data and array references is stored.
	This reduced expression is transferred to 'lhs' and the _vptr
	added. Then the tail is restored to the allocate expression.

2014-01-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/59414
	* gfortran.dg/allocate_class_3.f90 : New test

From-SVN: r207204

	libiberty/
	* cp-demangle.c (d_demangle_callback): Put an abort call in place,
	to help the compiler.

From-SVN: r207200

From-SVN: r207199

From-SVN: r207198

re PR c++/53756 ([C++1y] ICE: in gen_type_die_with_usage, at dwarf2out.c:18774 with -g and operator auto ())

	PR c++/53756
gcc/
	* dwarf2out.c (auto_die): New static.
	(gen_type_die_with_usage): Handle C++1y 'auto'.
	(gen_subprogram_die): If in-class DIE had 'auto', emit type again
	on definition.
gcc/cp/
	* mangle.c (write_unqualified_name): Handle operator auto.

From-SVN: r207197

The .code16gcc directive was added to binutils back in 1999:

---
   '.code16gcc' provides experimental support for generating 16-bit code
from gcc, and differs from '.code16' in that 'call', 'ret', 'enter',
'leave', 'push', 'pop', 'pusha', 'popa', 'pushf', and 'popf'
instructions default to 32-bit size.  This is so that the stack pointer
is manipulated in the same way over function calls, allowing access to
function parameters at the same stack offsets as in 32-bit mode.
'.code16gcc' also automatically adds address size prefixes where
necessary to use the 32-bit addressing modes that gcc generates.
---

It encodes 32-bit assembly instructions generated by GCC in 16-bit format
so that GCC can be used to generate 16-bit instructions.  To do that, the
.code16gcc directive must be placed at the very beginning of the assembly
code.  This patch adds -m16 to x86 backend by:

1. Add -m16 and make it mutually exclusive with -m32, -m64 and -mx32.
2. Treat -m16 like -m32 so that --32 is passed to assembler.
3. Output .code16gcc at the very beginning of the assembly code.
4. Turn off 64-bit ISA when -m16 is used.

	PR target/59672
	* config/i386/gnu-user64.h (SPEC_32): Add "m16|" to "m32".
	(SPEC_X32): Likewise.
	(SPEC_64): Likewise.
	* config/i386/i386.c (ix86_option_override_internal): Turn off
	OPTION_MASK_ISA_64BIT, OPTION_MASK_ABI_X32 and OPTION_MASK_ABI_64
	for TARGET_16BIT.
	(x86_file_start): Output .code16gcc for TARGET_16BIT.
	* config/i386/i386.h (TARGET_16BIT): New macro.
	(TARGET_16BIT_P): Likewise.
	* config/i386/i386.opt: Add m16.
	* doc/invoke.texi: Document -m16.

From-SVN: r207196

gcc/ChangeLog

	* input.c (location_get_source_line): Bail out on when line number
	is zero, and test the return value of
	lookup_or_add_file_to_cache_tab.

gcc/testsuite/ChangeLog

	* c-c++-common/cpp/warning-zero-location.c: New test.
	* c-c++-common/cpp/warning-zero-location-2.c: Likewise.

Signed-off-by: Dodji Seketeli <dodji@seketeli.org>

From-SVN: r207195