2014-07-31  Arnaud Charlet  <charlet@adacore.com>

	* lib-writ.adb (Write_Unit_Information): Fix case where U =
	No_Unit.

2014-07-31  Claire Dross  <dross@adacore.com>

	* exp_util.adb, exp_util.ads
	(Get_First_Parent_With_External_Axiomatization_For_Entity):
	New routine to find the first parent of an entity with
	a pragma Annotate (GNATprove, External_Axiomatization).
	(Has_Annotate_Pragma_For_External_Axiomatization): New function
	to check if a package has a pragma Annotate (GNATprove,
	External_Axiomatization).
	* einfo.ads, einfo.adb (Is_Generic_Actual_Subprogram): New
	flag on the entity for the declaration created for a formal
	subprogram in an instance. This is a renaming declaration,
	or in GNATprove_Mode the declaration of an expression function
	that captures the axiomatization of the actual.
	* sem_ch6.adb (Analyze_Expression_Function): For a
	Generic_Actual_Subprogram, place body immediately after the
	declaration because it may be used in a subsequent declaration
	in the instance.
	* sem_ch12.adb (Build_Wrapper): Add code to handle instances where
	the actual is a function, not an operator. Handle functions with
	one and two parameters and binary and unary operators.

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

	* cstreams.c (__gnat_is_regular_file_fd): Removed.
	* adaint.c (__gnat_is_regular_file_fd): Added.

From-SVN: r213364

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

	* exp_strm.adb: Minor reformatting.

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

	* sem_ch12.adb (Build_Wrapper): New procedure, subsidiary to
	Analyze_Associations, to create a wrapper around operators that
	are actuals to formal subprograms. This is done in GNATProve
	mode in order to propagate the contracts of the operators to
	the body of the instance.

From-SVN: r213363

sem_attr.adb (Analyze_Attribute, case 'Old): The reference is legal if within an aspect specification for a generic subprogram.

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

	* sem_attr.adb (Analyze_Attribute, case 'Old):  The reference is
	legal if within an aspect specification for a generic subprogram.

From-SVN: r213362

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

	* gnat1drv.adb (Back_End_Inlining): Set to false if
	Suppress_All_Inlining is set.
	* debug.adb: Adding documentation for -gnatd.z.
	* inline.adb (Add_Inlined_Body): Extend the -gnatn2
	processing to -gnatn1 for calls to Inline_Always routines.
	(Add_Inlined_Subprogram): Remove previous patch.

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

	* sem_ch13.adb (Check_One_Function): Apply properly the static
	semantic rules for indexing aspects and the functions they denote.

From-SVN: r213361

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

	* debug.adb: Complete documentation of -gnatd.z.

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

	* gnat_ugn.texi: Minor doc fixes.

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

	* sem_aggr.adb (Resolve_Array_Aggregate): Fix posting of missing
	index value.

2014-07-31  Tristan Gingold  <gingold@adacore.com>

	* s-unstyp.ads (Packed_Byte): Make this type universal aliasing.
	(Packed_Bytes1): Make component aliased.

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

	* s-unstyp.ads, s-fileio.adb: Minor reformatting.

From-SVN: r213360

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

	* inline.adb, gnat1drv.adb, exp_ch6.adb, s-fileio.adb: Minor
	reformatting.

From-SVN: r213359

From-SVN: r213358

From-SVN: r213357

	* gcc-interface/utils2.c ((build_binary_op): Don't set TREE_THIS_NOTRAP
	on array references here, now done more selectively in trans.c.

From-SVN: r213356

2014-07-31  Doug Rupp  <rupp@adacore.com>
                                        
	* gcc-interface/misc.c (gnat_init_gcc_fp(): Set flag_errno_math to 0.

From-SVN: r213355

	* gcc-interface/decl.c, gcc-interface/trans.c,  
	gcc-interface/gigi.h: Add handling of Inline_Always pragma.  

Co-Authored-By: Eric Botcazou <ebotcazou@adacore.com>

From-SVN: r213354

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

	* sem_util.adb (Is_Effectively_Volatile): New routine.

2014-07-31  Fedor Rybin  <frybin@adacore.com>

	* gnat_ugn.texi: Document --test-duration option for gnattest.

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

	* opt.ads (Back_End_Inlining): New variable which controls
	activation of inlining by back-end expansion.
	* gnat1drv.adb (Adjust_Global_Switches): Initialize Back_End_Inlining
	* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Do not build
	the body to be inlined by the frontend if Back_End_Inlining
	is enabled.
	* exp_ch6.adb (Register_Backend_Call): Moved to inline.adb.
	(Expand_Call): If backend inlining is enabled let the backend to
	handle inlined subprograms.
	* inline.ads (Register_Backend_Call): Moved here from exp_ch6
	* inline.adb (Register_Backend_Call): Moved here from exp_ch6.
	(Add_Inlined_Subprogram): Add subprograms when Back_End_Inlining is set.
	(Must_Inline): Do not return Inline_Call if Back_End_Inlining is
	enabled.
	* debug.adb Document -gnatd.z
	* fe.h Import Back_End_Inlining variable.
	* gcc-interface/utils.c (create_subprog_decl): If Back_End_Inlining is
	enabled then declare attribute "always inline"

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

	* a-ngelfu.ads: Minor comment fix.

From-SVN: r213353

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

	* freeze.adb (Freeze_Record_Type): Replace all calls to
	Is_SPARK_Volatile with Is_Effectively_Volatile and update
	related comments.
	* sem_ch3.adb (Analyze_Object_Contract, Process_Discriminants):
	Replace all calls to Is_SPARK_Volatile with
	Is_Effectively_Volatile and update related comments.
	* sem_ch5.adb (Analyze_Iterator_Specification,
	Analyze_Loop_Parameter_Specification): Replace all calls to
	Is_SPARK_Volatile with Is_Effectively_Volatile and update
	related comments.
	* sem_ch6.adb (Process_Formals): Replace all calls to
	Is_SPARK_Volatile with Is_Effectively_Volatile and update
	related comments.
	* sem_ch12.adb (Instantiate_Object): Replace the call to
	Is_SPARK_Volatile_Object with Is_Effectively_Volatile_Object
	and update related comment.
	* sem_prag.adb (Analyze_External_Property_In_Decl_Part,
	Analyze_Global_Item): Replace all calls to Is_SPARK_Volatile
	with Is_Effectively_Volatile and update related comments.
	* sem_res.adb (Resolve_Actuals, Resolve_Entity_Name): Replace
	all calls to Is_SPARK_Volatile with Is_Effectively_Volatile and
	update related comments.
	* sem_util.adb (Has_Enabled_Property,
	Variable_Has_Enabled_Property): Replace all calls
	to Is_SPARK_Volatile with Is_Effectively_Volatile and
	update related comments.
	(Is_Effectively_Volatile): New routine.
	(Is_Effectively_Volatile_Object): New routine.
	(Is_SPARK_Volatile): Removed.
	(Is_SPARK_Volatile_Object): Removed.
	* sem_util.ads (Is_Effectively_Volatile): New routine.
	(Is_Effectively_Volatile_Object): New routine.
	(Is_SPARK_Volatile): Removed.
	(Is_SPARK_Volatile_Object): Removed.

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: r213352

sem_ch3.adb (Process_Range_Expr_In_Decl): Add comments on generation of _FIRST and _LAST variables even in GNATprove_Mode.

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

	* sem_ch3.adb (Process_Range_Expr_In_Decl): Add comments on
	generation of _FIRST and _LAST variables even in GNATprove_Mode.
	* gnat_ugn.texi: Minor editing.
	* sem_prag.adb (Ensure_Aggregate_Form): Make sure generated
	aggregate is marked Comes_From_Source if argument is CFS.

From-SVN: r213351

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