2014-07-31  Pascal Obry  <obry@adacore.com>

	* s-fileio.adb: Remove obsolete comment.

2014-07-31  Vincent Celier  <celier@adacore.com>

	* a-strbou.ads ("=" (Bounded_String, Bounded_String): Add
	overriding keyword before function to avoid error when compiler
	is called with -gnatyO (check overriding indicators).

2014-07-31  Tucker Taft  <taft@adacore.com>

	* gnat_ugn.texi: Add a paragraph pointing the reader
	to the "plugins" example.

2014-07-31  Hristian Kirtchev  <kirtchev@adacore.com>

	* freeze.adb (Freeze_Expression): Document the
	purpose of the parent chain traversal.

From-SVN: r213350

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* checks.ads, checks.adb (Activate_Overflow_Check): Do not set flag for
	unconstrained fpt ops.

2014-07-31  Pascal Obry  <obry@adacore.com>

	* s-fileio.adb (Open): Make sure a shared file gets inserted into
	the global list atomically. This ensures that the file descriptor
	won't be freed because another tasks is closing the file.

From-SVN: r213349

2014-07-31  Vincent Celier  <celier@adacore.com>

	* projects.texi: Minor spelling error fix.

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Document No_Elaboration_Code_All restriction.
	* lib-writ.adb, lib-load.adb: Initialize No_Elab_Code field in unit
	information.
	* lib.ads, lib.adb (No_Elab_Code): New field in unit information.
	* restrict.adb (Process_Restriction_Synonyms): Add handling
	of No_Elaboration_Code_All.
	* restrict.ads (Process_Restriction_Synonyms): Now handles
	No_Elaboration_Code_All.
	* sem_ch10.adb (Analyze_Context): Enforce transitive with for
	No_Elaboration_Code_All.
	* sem_prag.adb (Process_Restrictions_Or_Restriction_Warnings):
	Handle setting of No_Elab_Code in unit information. Handle
	No_Elaboration_Code_All.
	* snames.ads-tmpl (Name_No_Elaboration_Code): New name for
	pragma processing.
	(Name_No_Elaboration_Code_All): New name for pragma processing.

2014-07-31  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_aggr.adb (Aggr_Assignment_OK_For_Backend): Reject array
	types with a null range and use the Esize of the component
	instead of its RM_Size to identify appropriate values.

2014-07-31  Hristian Kirtchev  <kirtchev@adacore.com>

	* freeze.adb Add with and use clause for Aspects.
	(Freeze_Expression): Emit an error when a volatile constant lacks
	Boolean aspect Import.
	(Has_Boolean_Aspect_Import): New routine.

From-SVN: r213347

2014-07-31  Gary Dismukes  <dismukes@adacore.com>

	* exp_util.adb: Minor reformatting.

2014-07-31  Vincent Celier  <celier@adacore.com>

	* errutil.adb (Error_Msg): Make sure that all components of
	the error message object are initialized.

2014-07-31  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch4.adb (Try_Container_Indexing): If the container type is
	class-wide, use specific type to locate iteration primitives.
	* sem_ch13.adb (Check_Indexing_Functions): Add legality checks for
	rules in RM 4.1.6 (Illegal_Indexing): New diagnostic procedure.
	Minor error message reformating.
	* exp_ch5.adb (Expand_Iterator_Loop): Handle properly Iterator
	aspect for a derived type.

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* debug.adb: Document debug flag d.X.

From-SVN: r213346

2014-07-31  Ed Schonberg  <schonberg@adacore.com>

	* sem_util.ads (Find_Specific_Type): Moved here from exp_disp.adb.
	* sem_util.adb (Find_Specific_Type): If type is untagged private,
	retrieve full view so that primitive operations can be located.
	* exp_disp.adb Move Find_Specific_Type to sem_util.
	* exp_ch4.adb (Expand_N_Op_Eq): If operands are class-wide, use
	Find_Specific_Type to locate primitive equality.
	* exp_util.adb (Make_CW_Equivalent_Type): A class_wide equivalent
	type does not require initialization.
	* exp_attr.adb (Compile_Stream_Body_In_Scope): Within an instance
	body all visibility is established, and the enclosing package
	declarations must not be installed.

From-SVN: r213345

2014-07-31  Yannick Moy  <moy@adacore.com>

	* sem_parg.adb, sem_prag.ads (Collect_Subprogram_Inputs_Outputs):
	Make subprogram public.

From-SVN: r213344

From-SVN: r213342

2014-07-31  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch9.adb (Expand_N_Protected_Type_Declaration): New
	predicate Discriminated_Size, to distinguish between private
	components that depend on discriminants from those whose size
	depends on some other non-static expression.

2014-07-31  Nicolas Setton  <setton@adacore.com>

	* g-exptty.adb (Close): Fix binding to Waitpid: use the
	tty version.

From-SVN: r213341

2014-07-31  Richard Biener  <rguenther@suse.de>

	* lto-streamer.h (struct output_block): Remove global.
	(struct data_in): Remove labels, num_named_labels and
	num_unnamed_labels.
	* lto-streamer-in.c (lto_data_in_delete): Do not free labels.
	* lto-streamer-out.c (produce_asm_for_decls): Do not set global.

From-SVN: r213340

2014-07-31  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Make_Index): Reject properly the use of 'Length
	in a discrete range, when 'range was probably intended.

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* sem_warn.adb, sem_warn.ads (Has_Junk_Name): Moved from body to spec.

From-SVN: r213339

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* frontend.adb: Minor reformatting.
	* sem.adb: Minor reformatting.
	* sem_ch6.adb (Analyze_Null_Procedure): Set proper sloc for
	identifiers on rewrite.
	* par.adb: Minor comment updates.
	* a-ngelfu.adb (Cos): Minor simplification.
	* par-ch13.adb (Get_Aspect_Specifications): Improve messages
	and recovery for bad aspect.
	* exp_ch3.adb: Code clean up.
	* sem_util.ads: Minor comment correction.
	* sem_ch13.adb (Check_Array_Type): Properly handle large types.
	* sem_ch3.adb: Code clean up.
	* binderr.ads: Minor comment correction.

2014-07-31  Ed Schonberg  <schonberg@adacore.com>

	* exp_disp.adb (Expand_Interface_Conversion): A call whose
	prefix is a static conversion to an interface type that is not
	class-wide is not dispatching.

From-SVN: r213338

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* inline.adb, s-traceb.adb, s-traceb-hpux.adb, memtrack.adb,
	s-traceb-mastop.adb: Minor reformatting.

2014-07-31  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch3.adb (Expand_Record_Extension): In ASIS_Mode perform
	expansion, to handle properly visibility of selected components
	in instance bodies.

From-SVN: r213337

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* par-ch13.adb (Get_Aspect_Specifications): Set Inside_Depends.
	* par-ch2.adb (P_Pragma): Set Inside_Depends.
	* par-ch4.adb (P_Simple_Expression): Pass Inside_Depends to
	Check_Unary_Plus_Or_Minus.
	* scans.ads (Inside_Depends): New flag.
	* scng.adb (Scan): Pass Inside_Depends to Check_Arrow.
	* style.ads: Add Inside_Depends parameter to Check_Arrow Add
	Inside_Depends parameter to Check_Unary_Plus_Or_Minus.
	* styleg.adb (Check_Arrow): Handle Inside_Depends case.
	(Check_Unary_Plus_Or_Minus): Handle Inside_Depends case.
	* styleg.ads: Add Inside_Depends parameter to Check_Arrow Add.
	Inside_Depends parameter to Check_Unary_Plus_Or_Minus.

2014-07-31  Javier Miranda  <miranda@adacore.com>

	* s-vaflop.adb Move the body of function T_To_G before
	T_To_D. Required for frontend inlining.
	* inline.adb (Has_Excluded_Contract): New subprogram used to
	check if a subprogram inlined by the frontend has contracts
	which cannot be inlined.

2014-07-31  Bob Duff  <duff@adacore.com>

	* s-traceb.adb, s-traceb-hpux.adb, s-traceb-mastop.adb:
	(Call_Chain): Add 1 to number of frames to skip, to account for
	the fact that there's one more frame on the stack.

From-SVN: r213336

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* checks.adb (Enable_Overflow_Check): More precise setting of
	Do_Overflow_Check flag for division.

2014-07-31  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_aggr.adb (Aggr_Assignment_OK_For_Backend): Reject packed
	array types with implementation type.

2014-07-31  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch10.adb (Process_State): Remove local variable Name. Add
	local variable Decl. Partially declare an abstract state by
	generating an entity and storing it in the state declaration.
	* sem_prag.adb (Create_Abstract_State): Fully declare a
	semi-declared abstract state.

From-SVN: r213335

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* prj-nmsc.adb: Minor reformatting.

2014-07-31  Bob Duff  <duff@adacore.com>

	* s-tasdeb.adb (System.Tasking.Debug): Remove
	all usage of the secondary stack from this package.

From-SVN: r213334

2014-07-31  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch5.adb (Analyze_Iterator_Specification): If the domain of
	iteration is an array component that depends on discriminants,
	create an actual subtype for it, because the preanalysis of the
	iterator name does not create actual subtypes of components.

2014-07-31  Hristian Kirtchev  <kirtchev@adacore.com>

	* freeze.adb (Freeze_Expression): Update the loop in charge
	of finding a proper insertion place for freeze nodes to handle
	N_Expression_With_Actions nodes.

From-SVN: r213333

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* sem_util.adb, a-ngelfu.ads, prj-nmsc.adb, prj-conf.adb: Minor
	reformatting.

From-SVN: r213332

2014-07-31  Pascal Obry  <obry@adacore.com>

	* prj-nmsc.adb: Minor reformatting.

From-SVN: r213331

2014-07-31  Ed Schonberg  <schonberg@adacore.com>

	* sem_util.adb (Has_Preelaborable_Initialization): Check that
	type is tagged before checking whether a user-defined Initialize
	procedure is present.

2014-07-31  Gary Dismukes  <dismukes@adacore.com>

	* a-ngelfu.ads (Sqrt): Augment postcondition.

2014-07-31  Pascal Obry  <obry@adacore.com>

	* prj-nmsc.adb (Check_Library_Attributes): An aggegate library
	directory and ALI directory must be different than all object
	and library directories of aggregated projects.

2014-07-31  Vincent Celier  <celier@adacore.com>

	* prj-pars.adb, prj-conf.ads, prj-conf.adb (Locate_Runtime): Move spec
	to package body, as it is not called from outside. Remove argument
	Project_Tree, no longer used. When runtime cannot be found,
	call Raise_Invalid_Config instead of failing the program.

From-SVN: r213330

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* bindgen.adb (Gen_Output_File_Ada): Generate pragma Suppress
	(Overflow_Check).
	* gnatlink.adb (Process_Args): Remove generation of -gnato0,
	no longer needed.

From-SVN: r213329

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Document new switch -gnato0.
	* sem_ch3.ads: Minor reformatting.
	* gnatlink.adb (Process_Args): Compile bind file with -gnato0
	(we do not want overflow checks when incrementing elaboration
	counters).
	* einfo.ads: Minor reformatting.

From-SVN: r213328

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* exp_ch5.adb, freeze.adb, exp_ch3.adb: Minor comment correction.
	* s-arit64.adb: Minor reformatting.

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* gnat1drv.adb (Adjust_Global_Switches): Default for overflow
	checking is enabled except in GNAT_Mode.
	* switch-c.adb (Scan_Front_End_Switches): Implement -gnato0
	(suppress overflow checks).

From-SVN: r213327

2014-07-31  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch3.adb (Expand_Freeze_Record_Type): Do not build an
	invariant procedure for an internally generated subtype that is
	created for an object of a class-wide type.

2014-07-31  Vincent Celier  <celier@adacore.com>

	* prj-nmsc.adb, errutil.adb: Make code similar to Errout.

2014-07-31  Gary Dismukes  <dismukes@adacore.com>

	* gnat_rm.texi, sem_aux.ads, einfo.ads, sem_util.ads, sem_ch6.adb,
	exp_disp.adb: Minor reformatting.

From-SVN: r213326

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* exp_ch5.adb, sem_ch3.adb, exp_ch7.adb, exp_util.adb, exp_ch9.adb,
	sem_ch7.adb, checks.adb, s-exctra.adb, exp_ch6.adb, exp_disp.adb,
	exp_dist.adb, sem_ch13.adb, exp_strm.adb, exp_ch3.adb: Minor
	reformatting.

From-SVN: r213325

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* sem_ch13.adb: Minor reformatting.

2014-07-31  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch3.adb (Build_Invariant_Checks): If the enclosing record
	is an unchecked_union, warn that invariants will not be checked
	on components that have them.

2014-07-31  Robert Dewar  <dewar@adacore.com>

	* freeze.adb (Freeze_Entity): Check for error of
	Type_Invariant'Class applied to a untagged type.
	* sem_ch6.adb (Analyze_Null_Procedure): Unconditionally rewrite
	as null body, so that we perform error checks even if expansion
	is off.

From-SVN: r213324

2014-07-31  Marc Glisse  <marc.glisse@inria.fr>

	PR c++/60517
gcc/c/
	* c-typeck.c (c_finish_return): Return 0 instead of the address of
	a local variable.
gcc/cp/
	* typeck.c (maybe_warn_about_returning_address_of_local): Return
	whether it is returning the address of a local variable.
	(check_return_expr): Return 0 instead of the address of a local
	variable.
gcc/c-family/
	* c.opt (-Wreturn-local-addr): Move to common.opt.
gcc/
	* common.opt (-Wreturn-local-addr): Moved from c.opt.
	* gimple-ssa-isolate-paths.c: Include diagnostic-core.h and intl.h.
	(isolate_path): New argument to avoid inserting a trap.
	(find_implicit_erroneous_behaviour): Handle returning the address
	of a local variable.
	(find_explicit_erroneous_behaviour): Likewise.
gcc/testsuite/
	* c-c++-common/addrtmp.c: New file.
	* c-c++-common/uninit-G.c: Adapt.

From-SVN: r213323

2014-07-31  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb (Build_Invariant_Procedure): If body of procedure
	is already present, nothing to do.
	* exp_ch3.adb (Build_Component_Invariant_Call): For an access
	component, check whether the access type has an invariant before
	checking the designated type.
	(Build_Record_Invariant_Proc): Change suffix of generated
	name to prevent ambiguity when record type has invariants
	in addition to those of components, and two subprograms are
	constructed. Consistent with handling of array types.
	(Insert_Component_Invariant_Checks): Build invariant procedure
	body when one has not been created yet, in the case of composite
	types that are completions and whose full declarations carry
	invariants.

From-SVN: r213322

2014-07-31  Bingfeng Mei <bmei@broadcom.com>

	PR lto/61868
	* toplev.c (init_random_seed): Move piece of code never called to
	set_random_seed.
	(set_random_seed): see above.
	
	* gcc.dg/pr61868.c: New test.

From-SVN: r213321

2014-07-31  Tom de Vries  <tom@codesourcery.com>

	* tree-ssa-loop.c (pass_tree_loop_init::execute): Remove dead code.

From-SVN: r213319

gcc/
	* ira.c (insn_contains_asm_1, insn_contains_asm): Delete.
	(compute_regs_asm_clobbered): Use extract_asm_operands instead.

From-SVN: r213318

2014-07-31  Richard Biener  <rguenther@suse.de>

	* data-streamer.h (streamer_write_data_stream): Declare here,
	renamed from ...
	* lto-streamer.h (lto_output_data_stream): ... this.  Remove.
	* lto-cgraph.c (lto_output_node): Adjust.
	(lto_output_varpool_node): Likewise.
	* data-streamer-out.c (streamer_string_index): Likewise.
	(streamer_write_data_stream, lto_append_block): Move from ...
	* lto-section-out.c (lto_output_data_stream,
	lto_append_block): ... here.

From-SVN: r213317

From-SVN: r213316

	PR lto/53808
	PR c++/61659
	* pt.c (push_template_decl_real): Don't set DECL_COMDAT on friends.

From-SVN: r213311

re PR c++/57397 (Off-by-one error in diagnostic when calling variadic function template with too few arguments)

/cp
2014-07-30  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/57397
	* pt.c (unify_arity): Add boolean parameter.
	(unify_too_few_arguments): Likewise.
	(type_unification_real): Diagnose correctly insufficient
	arguments in the presence of trailing variadic parameters;
	deducing multiple trailing packs as empty is fine.

/testsuite
2014-07-30  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/57397
	* g++.dg/cpp0x/vt-57397-1.C: New.
	* g++.dg/cpp0x/vt-57397-2.C: Likewise.

From-SVN: r213310

	* configure.ac: Also check for popen.
	* tree-loop-distribution.c (dot_rdg): Autoconfize popen use.
	* configure: Regenerate.
	* config.in:  Regenerate.

From-SVN: r213309

	PR c++/61659
	PR c++/61687
Revert:
gcc/c-family/
	* c.opt (-fuse-all-virtuals): New.
gcc/cp/
	* decl2.c (mark_all_virtuals): New variable.
	(maybe_emit_vtables): Check it instead of flag_devirtualize.
	(cp_write_global_declarations): Set it and give helpful diagnostic
	if it introduces errors.
	* class.c (finish_struct_1): Check it.

From-SVN: r213308

	PR lto/53808
	PR c++/61659
	* pt.c (push_template_decl_real): Set DECL_COMDAT on templates.
	(check_explicit_specialization): Clear it on specializations.
	* decl.c (duplicate_decls, start_decl): Likewise.
	(grokmethod, grokfndecl): Set DECL_COMDAT on inlines.
	* method.c (implicitly_declare_fn): Set DECL_COMDAT.  Determine
	linkage after setting the appropriate flags.
	* tree.c (decl_linkage): Don't check DECL_COMDAT.
	* decl2.c (mark_needed): Mark clones.
	(import_export_decl): Not here.

From-SVN: r213307

2014-07-30  Martin Jambor  <mjambor@suse.cz>

	* tree-sra.c (sra_ipa_modify_assign): Change type of the first
	parameter to gimple.

From-SVN: r213306

s390.c (s390_emit_tpf_eh_return): Pass original return address as second parameter to __tpf_eh_return routine.

gcc/

2014-07-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/s390/s390.c (s390_emit_tpf_eh_return): Pass original return
	address as second parameter to __tpf_eh_return routine.

libgcc/

2014-07-30  J. D. Johnston  <jjohnst@us.ibm.com>

	* config/s390/tpf-unwind.h: Include <stdbool.h>.
	(__tpf_eh_return): Add original return address as second parameter.
	Handle cases where unwinder routines were called directly, instead
	of from within the C++ library.

From-SVN: r213305

Applied for Jiong.

2014-07-30  Jiong Wang  <jiong.wang@arm.com>

	* config/arm/arm.c (arm_get_frame_offsets): Adjust condition for
	Thumb2.

From-SVN: r213304