path: root/gcc/ada/ChangeLog

2014-01-27  Robert Dewar  <dewar@adacore.com>

	* exp_smem.adb: Minor reformatting.

2014-01-27  Thomas Quinot  <quinot@adacore.com>

	* a-calfor.ads: Fix incorrect reference to operator "-" in comment.

2014-01-27  Ed Schonberg  <schonberg@adacore.com>

	* sem_res.adb (Make_Call_Into_Operator): In ASIS mode, relocate
	nodes for operands to the original node for the call, to preserve
	Original_Node pointers within the resolved operands, given that
	they may have been rewritten as well. Previous approach copied
	the operands into a new tree and lost those pointers.

2014-01-27  Claire Dross  <dross@adacore.com>


	* a-cofove.adb, a-cofove.ads: Add Strict_Equal function to the API.

2014-01-27  Ed Schonberg  <schonberg@adacore.com>

	* sem_util.adb (Check_Internal_Protected_Use): A call through
	an anonymous access parameter of the current protected function
	is not a potential modification of the current object.

2014-01-27  Ed Schonberg  <schonberg@adacore.com>

	* a-cobove.adb (Reserve_Capacity): Procedure raises
	Capacity_Error, not Constraint_Error, when request cannot be
	satisfied.

2014-01-27  Vincent Celier  <celier@adacore.com>

	* a-coorma.adb, a-cohama.adb (Assign): Copy the Source to the Target,
	not the Target to itself.

2014-01-27  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch4.adb (Expand_Concatenate): If the target of the
	concatenation is a library-level entity, always use the off-line
	version of concatenation, regardless of optimization level. This
	is space-efficient, and prevents linking problems when some
	units are compiled with different optimization levels.

2014-01-27  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch5.adb: Code clean up.

2014-01-27  Ed Schonberg  <schonberg@adacore.com>

	* par-ch5.adb (P_Iterator_Specification): Improve error recovery
	when an array or container iterator includes a subtype indication,
	which is only legal in an element iterator.

2014-01-27  Thomas Quinot  <quinot@adacore.com>

	* exp_ch7.adb: Minor reformatting.

2014-01-27  Robert Dewar  <dewar@adacore.com>

	* opt.adb (SPARK_Mode): Default for library units is None rather
	than Off.
	* opt.ads: Remove AUTO from SPARK_Mode_Type SPARK_Mode_Type is
	no longer ordered.
	* sem_prag.adb (Analyze_Pragma, case SPARK_Mode): Remove AUTO
	possibility.
	* snames.ads-tmpl (Name_Auto): Removed, no longer used.

2014-01-27  Robert Dewar  <dewar@adacore.com>

	* par-ch5.adb (P_Sequence_Of_Statements): Make entry in
	Suspicious_Labels table if we have identifier; followed by loop
	or block.
	* par-endh.adb (Evaluate_End_Entry): Search Suspicious_Labels table.
	* par.adb (Suspicious_Labels): New table.

2014-01-27  Robert Dewar  <dewar@adacore.com>

	* exp_aggr.adb (Check_Bounds): Reason is range check, not
	length check.

2014-01-27  Yannick Moy  <moy@adacore.com>

	* get_spark_xrefs.adb (Get_SPARK_Xrefs): Accept new type 'c' for
	reference.
	* lib-xref-spark_specific.adb (Is_Global_Constant): Remove useless
	function now.
	(Add_SPARK_Xrefs): Include references to constants.
	* spark_xrefs.ads Document new character 'c' for references to
	constants.

2014-01-27  Thomas Quinot  <quinot@adacore.com>

	* exp_smem.adb (Add_Write_After): For a function call, insert write as
	an after action in a transient scope.

2014-01-27  Thomas Quinot  <quinot@adacore.com>

	* exp_smem.adb (Expand_Shared_Passive_Variable): For a reference
	to a shared variable as an OUT formal in a call to an init proc,
	the 'Read call must be emitted after, not before, the call.

2014-01-27  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Remove mention of AUTO mode for SPARK_Mode pragma.

2014-01-27  Robert Dewar  <dewar@adacore.com>

	* a-wichha.adb (Character_Set_Version): Change to output proper
	value.

2014-01-27  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.adb (Is_Input_Only_State): Removed.
	(Is_Non_Volatile_State): Removed.
	(Is_Output_State): Removed.
	* einfo.ads (Is_Input_Only_State): Remove attribute and
	subprogram. Update related entity.
	(Is_Non_Volatile_State):
	Remove attribute and subprogram. Update related entity.
	(Is_Output_State): Removed attribute and subprogram. Update
	related entity.
	* exp_ch6.adb (Expand_Subprogram_Contract): Update comment on
	generated code.
	* sem_ch3.adb (Analyze_Declarations): Analyze the contract of
	an object, not just variables.
	(Analyze_Object_Contract): New routine.
	(Analyze_Variable_Contract): Removed.
	(Process_Discriminants): Detect an illegal use of volatile
	discriminant in SPARK mode.
	* sem_ch5.adb (Analyze_Iterator_Specification):
	Detect an illegal use of volatile loop variable.
	(Analyze_Loop_Parameter_Specification): Detect an illegal use
	of volatile loop variable.
	* sem_ch6.adb (Process_Formals): Update the volatile object
	detection. Detect an illegal formal of mode IN OUT or OUT in
	SPARK mode. Enhance the error messages with references.
	* sem_ch12.adb (Instantiate_Object): Update the volatile object
	detection. Enhance the error messages with references.
	* sem_prag.adb (Analyze_Abstract_State): Enhance the error
	messages with references.
	(Analyze_Contract_Case): Enhance the error messages with references.
	(Analyze_External_Property): Call Check_Duplicate_Property to process
	an external property.
	(Analyze_External_Property_In_Decl_Part): New routine.
	(Analyze_External_State_In_Decl_Part): Removed.
	(Analyze_Global_Item): Detect an illegal
	use of a volatile constant. Detect an illegal use
	of a variable with enabled Effective_Reads. Enhance
	the error messages with references. Remove obsolete
	checks concerning Input_Only and Output_Only states.
	(Analyze_Initialization_Item): Enhance the error messages
	with references.
	(Analyze_Initializes_In_Decl_Part): Do not
	collect the states and variables when the initialization list
	is null.
	(Analyze_Input_Item): Enhance the error messages with references.
	(Analyze_Input_Output): Enhance the error messages with references.
	(Analyze_Pragma): Enhance the error messages with references.
	(Analyze_Refinement_Clause): Code reformatting.
	(Analyze_Refined_Depends_In_Decl_Part):
	Rename global variable Global to Reg_Global and update all
	occurrences. Add local variables D7 and D8. Update the error
	messages with references. Update the call to Collect_Global_Items.
	(Analyze_Refined_Global_In_Decl_Part): Add local variables
	Has_Proof_In_State, Proof_In_Constits and Proof_In_Items. Update
	the call to Collect_Global_Items.  Account for a Proof_In state
	in null / useless refinement checks. Verify the coverage of
	Proof_In states.
	(Check_Dependency_Clause): Remove local variable
	Out_Constits. Remove the retrieval and removal of constituents
	for an Output_Only state. Remove the reporting of unused
	Output_Only state constituents.
	(Check_Duplicate_Mode): Enhance
	the error message with a reference.
	(Check_Duplicate_Property): New routine.
	(Check_Duplicate_Option): Enhance the error message with a reference.
	(Check_External_Properties): Enhance the error message with a reference.
	(Check_Function_Return): Enhance the error message with a reference.
	(Check_In_Out_States): Update
	comment on usage. Add a specialized error message for Proof_In
	constituents. Enhance the error message with a reference.
	(Check_Input_States): Update comment on usage. Account for
	possible Proof_In constituents. Enhance the error message
	with a areference.
	(Check_Matching_Constituent): Enhance the error message with a
	reference.
	(Check_Matching_State): Enchance the error message with a reference.
	(Check_Mode): Add local variable From_Global. Update the call to
	Find_Mode.  Emit more precise error messages concerning extra items
	(Check_Mode_Restriction_In_Enclosing_Context): Consider
	pragma Refined_Global.	Enhance the error message with a
	reference.
	(Check_Mode_Restriction_In_Function): Enhance the error message with
	a reference.
	(Check_Output_States): Update comment on usage. Add local variable
	Posted.  Account for possible Proof_In constituents. Produce a detailed
	list of missing constituents.
	(Check_Proof_In_States): New routine.
	(Check_Refined_Global_Item): Handle Proof_In
	constituents. Enchance the error message with a reference.
	(Collect_Global_Items): Add formal parameters Proof_In_Items
	and Has_Proof_In_State. Update the comment on usage. Account
	for Proof_In items.
	(Create_Or_Modify_Clause): Enchance
	the error message with a reference.
	(Find_Mode): Add
	formal parameter From_Global. Update the comment on usage.
	Detect when the mode is governed by pragma [Refined_]Global.
	(Output_Constituents): Removed.
	(Report_Extra_Constituents):
	Report extra Proof_In constituents.
	(Report_Unused_Constituents): Removed.
	(Usage_Error): Code reformatting. Enhance the error
	messages with reference.
	* sem_prag.ads (Analyze_External_Property_In_Decl_Part): New routine.
	(Analyze_External_State_In_Decl_Part): Removed.
	* sem_res.adb (Resolve_Actuals): Update the volatile object
	detection. Enhance the error message with a reference.
	(Resolve_Entity_Name): Update the volatile object
	detection. Enhance the error message with a reference.
	* sem_util.adb (Is_Refined_State): Add a guard to avoid a crash.
	(Is_SPARK_Volatile_Object): New routine.
	(Has_Volatile_Component): New routine.
	* sem_util.ads (Is_Delegate): Alphabetized.
	(Is_SPARK_Volatile_Object): New routine.
	(Has_Volatile_Component): New routine.
	* snames.ads-tmpl: Remove names Name_Input_Only and Name_Output_Only.

2014-01-27  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb: Resolve fully prefix of 'Update.

2014-01-27  Ben Brosgol  <brosgol@adacore.com>

	* gnat_rm.texi: Minor clarifications.

2014-01-27  Robert Dewar  <dewar@adacore.com>

	* sem_elab.adb (Check_Internal_Call_Continue): Avoid complaining
	about call that is generated as part of an Initial_Condition
	check.
	* sem_prag.adb: Minor spelling correction.

2014-01-27  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb (Set_Convention_From_Pragma): Check that
	convention Ghost can only apply to functions.
	* einfo.ads, einfo.adb (Is_Ghost_Subprogram): Add clarifying comment.

2014-01-27  Robert Dewar  <dewar@adacore.com>

	* gnat_ugn.texi: Add Short_Enums to documentation of
	-gnatet/-gnateT.

2014-01-27  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb (Analyze_Input_Item): Correct check for input
	item in same package.
	* sem_util.ads, sem_util.adb (Within_Scope): New function.

2014-01-26  Arnaud Charlet  <charlet@adacore.com>

	* a-intnam-lynxos.ads, mlib-tgt-specific-lynxos.adb,
	s-osinte-lynxos-3.adb, s-osinte-lynxos-3.ads, s-osinte-lynxos.adb,
	s-osinte-lynxos.ads, s-taprop-lynxos.adb, s-tpopsp-lynxos.adb,
	system-lynxos-ppc.ads, system-lynxos-x86.ads: Removed, no longer
	maintained.

2014-01-25  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/Makefile.in: Fix oversight.

2014-01-25  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils.c (convert_to_fat_pointer): Un-obfuscate the
	conversion from a thin pointer with a shifted value.
	* gcc-interface/utils2.c (gnat_build_constructor): Propagate the
	read-only flag from the values onto the result.
	(gnat_invariant_expr): Accept read-only CONSTRUCTORs.

2014-01-25  Tristan Gingold  <gingold@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity): Always build a variable
	for E_Variable with a pragma Linker_Section.

2014-01-25  Robert Dewar  <dewar@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_param): Make sure an Out parameter
	with Default_Value aspect is passed in by copy.

2014-01-24  Eric Botcazou  <ebotcazou@adacore.com>

	* set_targ.adb: Set Short_Enums.
	* gcc-interface/lang.opt (fshort-enums): New option.
	* gcc-interface/misc.c (gnat_handle_option): Handle it.
	(gnat_post_options): Do not modify the global settings.

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* g-rannum.ads, g-rannum.adb (Random_Ordinary_Fixed): New generic
	function.
	(Random_Decimal_Fixed): New generic function.
	* s-rannum.ads: Minor comment clarifications.

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* back_end.adb: Remove Short_Enums handling (handled in
	Ttypes/Get_Targ now) Minor added comments.
	* freeze.adb: Change name Short_Enums_On_Target to
	Target_Short_Enums.
	* get_targ.ads, get_targ.adb (Get_Short_Enums): New function.
	* opt.ads: Minor comment updates.
	* sem_ch13.adb: Change name Short_Enums_On_Target to
	Target_Short_Enums.
	* set_targ.adb: Set Short_Enums from gcc back end.
	* set_targ.ads (Short_Enums): New variable.
	* targparm.ads, targparm.adb: Remove Short_Enums entries (handled in
	Ttypes/Get_Targ now).
	* ttypes.ads (Target_Short_Enums): New constant boolean switch

2014-01-24  Pascal Obry  <obry@adacore.com>

	* g-sercom-mingw.adb: Fix serial port name for port number > 10.

2014-01-24  Gary Dismukes  <dismukes@adacore.com>

	* exp_disp.adb (Expand_Dispatching_Call): Call Unqualify on Param when
	comparing it with Ctrl_Arg, since Ctrl_Arg may have had qualification
	stripped off.

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* sinfo.ads, make.adb, prj-env.adb: Minor reformatting.

2014-01-24  Vincent Celier  <celier@adacore.com>

	* prj.adb (Add_Aggregated_Project): Do not add a project in
	the list if it is already there.

2014-01-24  Yannick Moy  <moy@adacore.com>

	* lib-xref-spark_specific.adb (Enclosing_Subprogram_Or_Package):
	Correct the search for a subrogram declaration to which a pragma is
	attached.

2014-01-24  Bob Duff  <duff@adacore.com>

	* gnat_ugn.texi: Document --decimal-grouping and
	--based-grouping switches in gnatpp.

2014-01-24  Ed Schonberg  <schonberg@adacore.com>

	* sinfo.ads: Documentation update.

2014-01-24  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Constant_Redeclaration): New declaration is
	illegal if previous one has an initial expression that is an
	aggregate expanded into assignments.

2014-01-24  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch5.adb (Analyze_Loop_Parameter_Specification): Small
	code reorganization to remove spurious warning on a loop with
	an array element iterator that has a null range.

2014-01-24  Vincent Celier  <celier@adacore.com>

	* make.adb (Binding_Phase): When setting the Ada paths, use
	the library ALI dir, not the object dir in libraries.

2014-01-24  Yannick Moy  <moy@adacore.com>

	* sinfo.ads: Add documentation of check flag fields.

2014-01-24  Ed Schonberg  <schonberg@adacore.com>

	* sem_res.adb (Resolve_Actuals): If an actual is a view
	conversion of a discriminated object, and the formal type is
	discriminated and constrained, apply a discriminant check to
	the object itself.

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* prj.adb, prj-env.adb, back_end.adb: Add comment, minor code clean ups.

2014-01-24  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Analyze_Declarations): At the end of an
	appropriate declarative part, call Freeze_All from the first
	declaration in the scope, not from the first unfrozen one. This
	is necessary to apply visibility checks to entities with delayed
	aspects. Otherwise, in the presence of instantiations and cleanups
	that they may generate, the delayed aspects may be analyzed too
	late and produce spurious visibility errors.
	* sem_attr.adb: Place etype on range.
	* sem_ch6.adb: Documentation expression functions.

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* exp_ch7.adb: Minor change of Indices to Indexes (preferred
	terminology in compiler).

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* scans.ads: Remove Tok_Raise from Sterm, Eterm, After_SM
	categories, now that Ada 95 supports raise expressions.

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* freeze.adb (Freeze_Enumeration_Type): Use new target parameter
	Short_Enums_On_Target.
	* sem_ch13.adb (Set_Enum_Esize): Take Short_Enums_On_Target
	into account.
	* targparm.ads, targparm.adb: Add new target parameter Short_Enums.

2014-01-24  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch5.adb (Analyze_Iterator_Specification): If subtype
	indication is given explicity, check that it matches the array
	component type or the container element type of the domain
	of iteration.

2014-01-24  Tristan Gingold  <gingold@adacore.com>

	* back_end.adb (Scan_Compiler_Arguments): Set Short_Enums_On_Target.
	* gcc-interface/misc.c (flag_short_enums): Declare.
	(gnat_post_options): Set it.

2014-01-24  Vincent Celier  <celier@adacore.com>

	* prj-env.adb (Ada_Objects_Path): Use Ada_Objects_Path_No_Libs
	to cache the result when Including_Libraries is False.
	* prj-env.ads (Ada_Objects_Path): Update documentation
	* prj.adb (Free (Project_Id)): Also free Ada_Objects_Path_No_Libs
	(Get_Object_Directory): Return the Library_Ali_Dir only when
	when Including_Libraries is True.
	* prj.ads (Get_Object_Directory): Fix and complete documentation
	(Project_Data): New component Ada_Objects_Path_No_Libs

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* checks.adb (Expr_Known_Valid): Result of fpt operator never
	considered valid.

2014-01-24  Eric Botcazou  <ebotcazou@adacore.com>

	* back_end.adb: Minor fix in comment.

2014-01-24  Javier Miranda  <miranda@adacore.com>

	* sem_ch3.adb (Check_Abstract_Overriding): Code reestructuration
	required to report the error in case of task types.

2014-01-24  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb: Additional index checking.

2014-01-24  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb (Analyze_Attribute, case 'Update): Analyze
	expressions in each component association, and for records note
	the entity in each association choice, for subsequent resolution.
	(Resolve_Attribute, case 'Update): Complete resolution of
	expressions in each component association.

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* sem.adb (Sem): Avoid premature reference to Current_Sem_Unit
	(this was causing Is_Main_Unit_Or_Main_Unit_Spec to be set wrong,
	leading to wrong handling of SPARK_Mode for library units).

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Set SPARK_Mode
	on generic instances (do not consider them to be internally
	generated)

2014-01-24  Doug Rupp  <rupp@adacore.com>

	* s-osinte-android.ads (pthread_sigmask): Import sigprocmask
	vice pthread_sigmask.

2014-01-24  Vincent Celier  <celier@adacore.com>

	* prj.adb (Debug_Output (Str, Str2)): Output if verbosity is
	not default.

2014-01-24  Vincent Celier  <celier@adacore.com>

	* prj-ext.adb (Add): Do not output anything when Silent is True,
	whatever the verbosity. When Source is From_External_Attribute,
	set the corresponding environment variable if it is not already set.
	* prj-ext.ads (Add): New Boolean parameter Silent, defaulted
	to False
	* prj-proc.adb (Process_Expression_For_Associative_Array):
	For attribute External, call Prj.Ext.Add with Silent set to
	True for the child environment, to avoid useless output in non
	default verbosity.

2014-01-24  Ed Schonberg  <schonberg@adacore.com>

	* sem_res.adb (Set_Slice_Subtype): Handle properly a discrete
	range given by a subtype indication, and force evaluation of
	the bounds, as for a simple range.
	* exp_util.adb (Evaluate_Slice_Bounds): Utility to force evaluation
	of bounds of slice for various kinds of discrete ranges.
	(Evaluate_Name, Evaluate_Subtype_From_Expr): use
	Evaluate_Slice_Bounds.

2014-01-24  Bob Duff  <duff@adacore.com>

	* s-taskin.ads (Activator): Make this Atomic, because
	Activation_Is_Complete reads it, and that can be called
	from any task. Previously, this component was only
	modified by the activator before activation, and by
	Self after activation.
	* a-taside.ads, a-taside.adb (Environment_Task,
	Activation_Is_Complete): Implement these missing functions.

2014-01-24  Doug Rupp  <rupp@adacore.com>

	* init.c: Add a handler section for Android.

2014-01-24  Arnaud Charlet  <charlet@adacore.com>

	* i-cexten.ads (Unsigned_33..64, Unsigned_33..64): New types.

2014-01-24  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch4.adb (Operator_Check): If one operand is a
	Raise_Expression, set its type to that of the other operand.
	* sem_res.adb (Resolve_Raise_Expression): new procedure.
	(Resolve_Actuals): For an actual that is a Raise_Expression,
	set the type to that of the formal.
	* sem_type.adb (Find_Unique_Type): If one of the operands is a
	Raise_Expression, return type of the other operand.

2014-01-24  Ed Schonberg  <schonberg@adacore.com>

	* sem_aggr.adb (Resolve_Record_Aggregate): If a scalar
	component of the record has a type with a default aspect, and
	the corresponding aggregate component is initiaized with a box,
	use the default value in the rewritten aggregate.

2014-01-24  Tristan Gingold  <gingold@adacore.com>

	* s-interr.ads, s-interr.adb, s-interr-hwint.adb, s-interr-vms.adb,
	s-interr-sigaction.adb,
	s-interr-dummy.adb (Install_Restricted_Handlers): Add Prio parameter.
	* exp_ch9.adb (Make_Initialize_Protection): Add Prio parameter
	to the call to Install_Restricted_Handlers.

2014-01-24  Emmanuel Briot  <briot@adacore.com>

	* prj-nmsc.adb (Check_File): Add protection when the source is
	not fully initialized.

2014-01-24  Ed Schonberg  <schonberg@adacore.com>

	* sem_util.adb (Is_Post_State): In a postcondition, a selected
	component that denotes an implicit dereference is a reference
	to the post state of the subprogram.

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* sem_ch6.adb (Analyze_Subprogram_Body_Helper): SPARK_Mode OFF
	for generated subprograms.
	(Analyze_Subprogram_Specification): Ditto.

2014-01-24  Vincent Celier  <celier@adacore.com>

	* prj-dect.adb (Check_Attribute_Allowed): Detect more forbidden
	attributes in package Builder of aggregate and aggregate library
	projects.
	* prj-nmsc.adb (Process_Naming_Scheme.Check.Check_Aggregate):
	Remove procedure (Process_Naming_Scheme.Check.Check_Aggregated):
	Remove parameters.  Change error message from "... externally
	build library ..." to "... externally built project ...".
	(Process_Naming_Scheme.Check): Do not do any check in aggregate
	project, as attribute Library_Dir and Library_Name have already
	been detected as forbidden.

2014-01-24  Vincent Celier  <celier@adacore.com>

	* prj-env.adb (Find_Project): If cached project path is not in
	project directory, look in current directory first and use cached
	project path only if project is not found in project directory.

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* sem_util.adb, lib-xref.adb: Correct false positive warnings.

2014-01-24  Vincent Celier  <celier@adacore.com>

	* projects.texi: Document that aggregate projects are only
	supported by gprbuild, but not by gnatmake.  Document that the
	only attribute Switches in package Binder of aggregate projects
	will be ignored if its index is not others.  Document that
	attribute Global_Config_File is allowed in package Binder of
	aggregate projects.

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb: Minor code reorganization.
	* sem_util.adb: Minor fix of potential latent bug in Is_LHS.

2014-01-24  Pascal Obry  <obry@adacore.com>

	* prj-attr.adb, projects.texi, snames.ads-tmpl: Add Excluded_Patterns
	attribute definition.

2014-01-24  Vincent Celier  <celier@adacore.com>

	* makeutl.adb (Queue.Insert_No_Roots): In gprbuild, do not put
	in the Queue the same source (same path, same multi-source index)
	from the same project file, to avoid compiling several times
	the same source.

2014-01-24  Eric Botcazou  <ebotcazou@adacore.com>

	* einfo.ads (First_Rep_Item): Remove obsolete stuff.
	(Has_Gigi_Rep_Item): Likewise.
	* sem_prag.adb (Analyze_Pragma) <Pragma_Linker_Section>: Do not set
	Has_Gigi_Rep_Item for objects.
	* gcc-interface/decl.c (prepend_one_attribute_to): Rename into...
	(prepend_one_attribute): ...this.
	(prepend_one_attribute_pragma): New function extracted from...
	(prepend_attributes): ...here.  Swap the parameters for consistency.
	(gnat_to_gnu_entity): Adjust calls to prepend_one_attribute_to and to
	prepend_attributes.
	<object>: Deal with a pragma Linker_Section on a constant
	or variable.  <E_Function>: Deal with a pragma Linker_Section
	on a subprogram.
	(get_minimal_subprog_decl): Adjust calls to prepend_one_attribute_to.

2014-01-24  Vincent Celier  <celier@adacore.com>

	* opt.ads: Minor comment update.

2014-01-24  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb (Analyze_Input_Output): Add missing error check
	for junk operand.
	* sem_util.adb (Is_Refined_State): Add defense against junk
	tree from error.

2014-01-24  Pascal Obry  <obry@adacore.com>

	* projects.texi: Removes Build_Slaves attribute documentation.

2014-01-23  Robert Dewar  <dewar@adacore.com>

	* opt.adb (Register_Opt_Config_Switches): Save SPARK_Mode_Pragma
	setting.

2014-01-23  Ed Schonberg  <schonberg@adacore.com>

	* sem_util.adb (Is_Potentially_Unevaluated): Predicate only
	applies to expressions that come from source.
	* sem_attr.adb (Analyze_Attribute, case 'Old): Improve error
	message.
	(Analyze_Attribute, case 'Loop_Entry): Apply SPARK 2014 legality
	rule regarding potentially unevaluated expressions, to prefix
	of attribute.

2014-01-23  Ed Schonberg  <schonberg@adacore.com>

	* exp_util.adb (Make_Invqriant_Call): If type of expression is
	a private extension, get invariant from base type.

2014-01-23  Robert Dewar  <dewar@adacore.com>

	* sem_util.adb, sem_attr.adb: Minor reformatting.

2014-01-23  Robert Dewar  <dewar@adacore.com>

	* opt.adb (Save_Opt_Config_Switches): Save SPARK_Mode_Pragma
	(Restore_Opt_Config_Switches): Restore SPARK_Mode_Pragma.
	* sem.adb (Semantics): Remove save/restore of
	SPARK_Mode[_Pragma]. Not needed since already done in
	Save/Restore_Opt_Config_Switches.

2014-01-23  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi, einfo.adb, einfo.ads, sem_prag.adb, gnat_ugn.texi,
	freeze.adb, repinfo.adb, aspects.adb, aspects.ads, sem_ch13.adb:
	Linker_Section enhancements.

2014-01-23  Tristan Gingold  <gingold@adacore.com>

	* gnat_rm.texi: Minor editing.

2014-01-23  Robert Dewar  <dewar@adacore.com>

	* opt.adb (Set_Opt_Config_Switches): Reset SPARK mode for
	with'ed internal units.
	* sem.adb (Semantics): Save and restore SPARK_Mode[_Pragma].

2014-01-23  Javier Miranda  <miranda@adacore.com>

	* lib-xref.adb (Generate_Reference): As part of processing the
	"end-of-spec" reference generate an extra reference to the first
	private entity of the package.
	* xr_tabls.adb (Add_Reference): No action needed for the extra
	'E' reference associated; similar to the processing of the
	'e' reference.

2014-01-23  Bob Duff  <duff@adacore.com>

	* gnat_ugn.texi: Change "--&pp off" to "--!pp off".

2014-01-23  Ed Schonberg  <schonberg@adacore.com>

	* sem_util.ads, sem_util.adb (Is_Potentially_Unevaluated): new
	predicate to implement rule given in 6.1.1 (20/3).
	* sem_attr.adb (Analyze_Attribute, case 'Old): Reject prefix of
	'Old in a postcondition, if it is potentially unevaluated and
	it is not an entity name.

2014-01-23  Bob Duff  <duff@adacore.com>

	* gnat_ugn.texi: Document the new "--&pp off" feature of gnatpp.

2014-01-23  Robert Dewar  <dewar@adacore.com>

	* gnatlink.adb (Gnatlink): Fix problem of generating bad name
	msg on VMS.

2014-01-23  Bob Duff  <duff@adacore.com>

	* g-dynhta.ads: Minor comment fix.

2014-01-23  Yannick Moy  <moy@adacore.com>

	* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Inherit SPARK_Mode
	from spec on body only when not already inherited on spec. Set
	SPARK_Mode from context on body without previous spec.	*
	* sem_prag.adb (Analyze_Pragma): Check placement of pragma on
	library-level entities.  Correct retrieval of entity from
	declaration, for cases where the declaration is not a unit.
	* sem_ch12.adb (Instantiate_Object): Avoid
	calling Is_Volatile_Object on an empty node.

2014-01-23  Robert Dewar  <dewar@adacore.com>

	* gnatlink.adb (Gnatlink): Check for suspicious executable file
	names on windows.

2014-01-23  Robert Dewar  <dewar@adacore.com>

	* a-ngelfu.ads: Remove bad uses of AND which should be AND THEN.
	* sem_res.adb (Check_No_Direct_Boolean_Operators): Don't give
	style errors in instances.
	* g-dynhta.ads (Static_HTable): Comment updates.

2014-01-23  Vincent Celier  <celier@adacore.com>

	* prj-conf.adb (Get_Or_Create_Configuration_File): Do not attempt
	to find a configuration project file when Config_File_Name is
	No_Configuration_File.
	* prj-conf.ads (No_Configuration_File): New constant String.
	* prj-pars.adb (Parse): Call Get_Or_Create_Configuration_File
	with Config_File_Name set to No_Configuration_File, so that
	no existing configuration project file will be used, and the
	configuration project will be only created in memory when
	Add_Default_GNAT_Naming_Scheme is called.
	* projects.texi: Minor reformatting.

2014-01-23  Vincent Celier  <celier@adacore.com>

	* prj-conf.adb (Get_Or_Create_Configuration_File): Never parse
	a config project file if On_Load_Config is not null.
	* prj-pars.adb: Minor comment changes.

2014-01-23  Ed Schonberg  <schonberg@adacore.com>

	* lib-xref.adb (Output_References): Output progenitors of
	synchronized tagged types, for source navigation.

2014-01-23  Robert Dewar  <dewar@adacore.com>

	* exp_util.adb, sinfo.adb, sinfo.ads, sem.adb, sem_res.adb,
	expander.adb, exp_ch11.adb, exp_ch11.ads, sem_ch11.adb, sem_ch11.ads,
	sprint.adb, sprint.ads: Remove unused node N_Subprogram_Info.

2014-01-23  Emmanuel Briot  <briot@adacore.com>

	* prj-conf.adb (Get_Or_Create_Configuration_File): call
	On_Load_Config later.

2014-01-23  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch3.adb (Analyze_Declarations): Do not
	generate the spec of the late primitive in ASIS mode. Add two
	comments to explain the special cases when the expansion is
	not performed.

2014-01-23  Robert Dewar  <dewar@adacore.com>

	* sem_util.adb (Note_Possible_Modification): Fix error of
	misbehaving for implicit dereference cases in -gnatc mode.

2014-01-23  Emmanuel Briot  <briot@adacore.com>

	* prj-pars.adb: Minor reformatting.

2014-01-22  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Analyze_Subprogram_Body_Helper): A subprogram
	body generated for an expression function within a protected body
	needs a set of renaming declarations if the expression function
	comes from source.

2014-01-22  Ed Schonberg  <schonberg@adacore.com>

	* lib-xref.adb (Get_Type_Reference): In semantics-only mode,
	list interface progenitor of a tagged concurrent type, for better
	source navigation.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* lib.adb (In_Extended_Main_Code_Unit): Return False for
	Standard_Location.
	(In_Extended_Main_Source_Unit): Return False for Standard_Location.
	* lib.ads (In_Extended_Main_Code_Unit): Add documentation on
	treatment of Slocs No_Location and Standard_Location.
	* restrict.adb (Check_Restriction_No_Dependence): Explicitly
	check for entity with Standard_Location Sloc, rather than relying
	on Lib routines to do that.
	* sem_res.adb (Resolve_Call): Implement SPARK_05 restriction
	that a call cannot occur before a later occuring body within
	the same unit.

2014-01-22  Thomas Quinot  <quinot@adacore.com>

	* rtsfind.adb: Update comment.

2014-01-22  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_aux.ads, sem_aux.adb (Is_Body): New routine.
	* sem_ch3.adb (Analyze_Declarations): Add local variable
	Body_Seen. Generate the spec of a late controlled
	primitive body that is about to freeze its related type.
	(Handle_Late_Controlled_Primitive): New routine.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* a-stream.adb: Minor reformatting.

2014-01-22  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch8.adb (From_Actual_Package): Introduce a recursive
	sub-procedure Declared_In_Actual to handle properly the visibility
	of actuals in actual packages, that are themselves actuals to a
	actual package of the current instance. This mimics properly the
	visibility of formals of formal packages declared with a box,
	within the corresponding generic unit.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* checks.adb: Do not assume that a volatile variable is valid.

2014-01-22  Thomas Quinot  <quinot@adacore.com>

	* g-catiio.ads (Image, Value): Clarify that these functions
	operate in the local time zone.  Minor documentation update.

2014-01-22  Thomas Quinot  <quinot@adacore.com>

	* csets.adb, csets.ads, opt.ads: Minor documentation fixes.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* sem_aux.adb, sem_aux.ads, sem_ch3.adb (Has_Unconstrained_Elements):
	Moved to sem_aux.adb.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* vms_data.ads: Minor reformatting.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* debug.adb: Document messages affected by -gnatd.E including
	the new ones that relate to late definition of equality.
	* sem_ch6.adb (Check_Untagged_Equality): In Ada 2012 mode, if
	debug flag -gnatd.E is set, then generate warnings rather than
	errors.
	(Check_Untagged_Equality): In earlier versions of Ada,
	generate warnings if Warn_On_Ada_2012_Incompatibility flag is set.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb (Usage_Error): Output additional messages for
	unconstrained OUT parameters lacking an input dependency.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* sem_ch4.adb: Minor reformatting.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* restrict.ads: Minor reformatting.
	* sem_res.adb (Resolve_Call): Check for SPARK_05 restriction that
	forbids a call from within a subprogram to the same subprogram.

2014-01-22  Thomas Quinot  <quinot@adacore.com>

	* a-stream.ads (Read_SEA, Write_SEA): New subprograms, optimized
	stream attributes for Stream_Element_Array.
	* a-stream.adb (Read_SEA, Write_SEA): Bodies for the above.
	* rtsfind.adb (Check_CRT): Do not reject a reference to an entity
	defined in the current scope.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* debug.adb, exp_ch4.adb, erroutc.adb: Minor reformatting.

2014-01-22  Thomas Quinot  <quinot@adacore.com>

	* sem_ch7.adb, sem_ch8.adb, exp_ch3.adb: Minor reformatting.

2014-01-22  Thomas Quinot  <quinot@adacore.com>

	* sem_ch3.adb (Analyze_Object_Declaration): For a constant
	declaration initialized with a function call, whose type
	has variable size, need to remove side effects so that the
	initialization expression becomes a dereference of a temporary
	reference to the function result.

2014-01-22  Yannick Moy  <moy@adacore.com>

	* errout.adb (Initialize): Remove trick to add dummy entry
	in Warnings table.
	* erroutc.adb (Set_Warnings_Mode_Off,
	Set_Warnings_Mode_On): Do nothing if warnings are suppressed by
	command line switch.
	* opt.ads (Warning_Mode): Document behavior
	wrt pragma Warnings, in normal mode and in GNATprove_Mode.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb, errout.adb, erroutc.adb: Minor reformatting.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* sem_ch13.adb (Check_Pool_Size_Clash): New procedure
	(Analyze_Attribute_Definition_Clause, case Storage_Pool): call
	Check_Pool_Size_Clash (Analyze_Attribute_Definition_Clause,
	case Storage_Size): call Check_Pool_Size_Clash.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb, exp_util.adb, sem_dim.adb, sem_elab.adb, sem_ch8.adb,
	sem_eval.ads: Minor reformatting.

2014-01-22  Thomas Quinot  <quinot@adacore.com>

	* sem_eval.adb (Compile_Time_Known_Bounds): Return False for
	Any_Composite to prevent cascaded errors.

2014-01-22  Yannick Moy  <moy@adacore.com>

	* errout.adb (Initialize): Do not insert special entry in Warnings
	table in GNATprove_Mode.
	* erroutc.adb (Set_Warnings_Mode_On): Add info in Warnings table in
	GNATprove_Mode.
	* gnat1drv.adb (Adjust_Global_Switches): Do not suppress frontend
	warnings anymore.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb (Analyze_Initializes_In_Decl_Part): Handle null
	initializes case.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* snames.ads-tmpl: Update header.

2014-01-22  Thomas Quinot  <quinot@adacore.com>

	* exp_util.adb (Insert_Actions): When inserting actions on a
	short circuit operator that has already been analyzed, do not park
	actions in node; instead introduce an N_Expression_With_Actions
	and insert actions immediately.
	Add guard for unexpected case of climbing up through statement
	in Actions list of an N_Expression_With_Actions.
	* sem_elab.adb (Insert_Elab_Check): Remove complex
	specialized circuitry for the case where the context is already
	analyzed, as it is not needed and introduces irregularities in
	finalization. Instead rely on the above change to Insert_Actions
	to ensure that late insertion on short circuit operators works
	as expected.

2014-01-22  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch4.adb (Operator_Check): Improve error message when an
	operand of concatenation is an access type.

2014-01-22  Thomas Quinot  <quinot@adacore.com>

	* sem_dim.adb (Analyze_Dimension_Identifier): Add guard against
	cascaded error.

2014-01-22  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch8.adb (Find_Selected_Component): Handle properly the case
	of an expanded name in a proper body, whose prefix is a package
	in the context of the proper body, when there is a homonym of
	the package declared in the parent unit.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* sem_warn.adb (Check_Use_Clause): Don't give no entities used
	msg if errors found.
	(Check_One_Unit): Same change.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* ug_words: Add missing/wrong entries for VMS warning switches.
	* sem_prag.adb (Check_Duplicate_Pragma): Avoid flagging parent type.

2014-01-22  Jerome Guitton  <guitton@adacore.com>

	* mlib-tgt-specific-vxworks.adb (Get_Target_Suffix): Replace xscale by
	arm.

2014-01-22  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi, gnat_ugn.texi: Document passive task optimization

2014-01-22  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/Makefile.in: Minor fixes.

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* par-ch4.adb (P_If_Expression): Rewritten to improve error recovery.
	* par-ch5.adb (P_Condition): New version with expression prescanned.
	* par.adb (P_Condition): New version with expression prescanned.

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Document that Allow_Integer_Address is ignored
	if Address is not a private type.
	* sem_prag.adb (Analyze_Pragma, case Allow_Integer_Address):
	Ignore pragma if System.Address is not a private type.

2014-01-21  Arnaud Charlet  <charlet@adacore.com>

	* namet.ads (Name_Len): Initialize to 0 to avoid accessing an
	uninitialized value.

2014-01-21  Thomas Quinot  <quinot@adacore.com>

	* gnat_rm.texi (Scalar_Storage_Order): Update documentation.

2014-01-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch12.adb (Set_Instance_Env): In Ada 2012 mode, preserve
	the value of Assertions_Enabled flag when compiling an instance of
	an internal unit. This facilitates the use of pre/postconditions
	in generic internal units, such as the new elementary function
	libraries.

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* exp_aggr.adb: Minor reformatting.
	* sem_attr.adb: Minor reformatting.
	* sem_res.adb: Minor comment addition.
	* einfo.adb: Minor comment updates.
	* freeze.adb: Minor reformatting and code reorganization.

2014-01-21  Ed Schonberg  <schonberg@adacore.com>

	* par-ch4.adb (P_If_Expression): Handle more gracefully an
	elsif clause that does not have an else part.

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* checks.adb, sem_util.ads, sem_ch4.adb: Minor reformatting.
	* gcc-interface/Makefile.in: clean up target pairs.

2014-01-21  Pascal Obry  <obry@adacore.com>

	* projects.texi: Minor typo fix.

2014-01-21  Thomas Quinot  <quinot@adacore.com>

	* freeze.adb (Check_Component_Storage_Order): If a record type
	has an explicit Scalar_Storage_Order attribute definition clause,
	reject any component that itself is of a composite type and does
	not have one.

2014-01-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch10.adb (Generate_Parent_Reference): Make public so it
	can be used to generate proper cross-reference information for
	the parent units of proper bodies.

2014-01-21  Thomas Quinot  <quinot@adacore.com>

	* exp_pakd.adb (Expand_Packed_Element_Set,
	Expand_Packed_Element_Reference): No byte swapping required in
	the front-end for the case of a reverse storage order array,
	as this is now handled uniformly in the back-end.  However we
	still need to swap back an extracted element if it is itself a
	nested composite with reverse storage order.

2014-01-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Analyze_External_Property): Add processing for "others".
	(Analyze_Pragma): Update the grammar of pragma Abstract_State to
	include "others".

2014-01-21  Arnaud Charlet  <charlet@adacore.com>

	* gnat_ugn.texi: Minor updates.

2014-01-21  Thomas Quinot  <quinot@adacore.com>

	* exp_pakd.adb: Update comment, minor reformatting.

2014-01-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch3.adb (Analyze_Variable_Contract): Trigger the volatile
	object check when SPARK_Mode is on.
	* sem_ch6.adb (Process_Formals): Trigger the volatile object
	check when SPARK_Mode is on.
	* sem_ch12.adb (Instantiate_Object): Trigger the volatile object
	check when SPARK_Mode is on.
	* sem_ch13.adb (Analyze_Aspect_Specifications): Insert the
	corresponding pragma of aspect SPARK_Mode in the visible
	declarations of a package declaration.
	* sem_prag.adb (Analyze_Pragma): Trigger the volatile object
	check when SPARK_Mode is on.
	* sem_res.adb (Resolve_Actuals): Trigger the volatile object
	check when SPARK_Mode is on.
	(Resolve_Entity_Name): Trigger
	the volatile object check when SPARK_Mode is on.

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb, sem_prag.adb, sem_prag.ads, sem_ch12.adb, sem_res.adb,
	sem_ch6.adb, a-except-2005.adb: Minor reformatting.

2014-01-21  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch3.adb (Expand_N_Object_Declaration): When a class-wide
	object is declared, it is rewritten as a renaming of an dynamic
	expression that wraps the initial value.  The renaming declaration
	is first given an internal name, to prevent collisions with the
	entity already declared, and then the name is modified to reflect
	the original one. the modification of the name must preserve
	the source location of the original, to prevent spurious errors
	when compiling with style checks if the declaration involves
	more than one entity.

2014-01-21  Hristian Kirtchev  <kirtchev@adacore.com>

	* aspects.adb Add entries for Async_Readers, Async_Writers,
	Effective_Reads and Effective_Writes in table Canonical_Aspect.
	* aspects.ads Add entries for Async_Readers, Async_Writers,
	Effective_Reads and Effective_Writes in tables Aspect_Id,
	Aspect_Names, Aspect_Delay and Implementation_Defined_Aspect.
	* atree.adb (Ekind_In): New version with 8 parameters.
	(Node34): New routine.
	(Set_Node34): New routine.
	* atree.ads (Ekind_In): New version with 8 parameters.
	(Node34): New routine.
	(Set_Node34): New routine.
	* einfo.adb Contract is now Node34.
	(Contract): Update the assertion and node usage.
	(Get_Pragma): Include pragmas Async_Readers, Async_Writers,
	Effective_Reads and Effective_Writes.
	(Set_Contract): Update the assertion and node usage.
	(Write_Field24_Name): Remove the output for a contract.
	(Write_Field34_Name): Add output for a contract.
	* einfo.ads Contract is now Node34. Update the comment on
	attribute usage and related node structures.
	(Get_Pragma): Update the comment on usage.
	* par-prag.adb (Prag): Pragmas Async_Readers, Async_Writers,
	Effective_Reads and Effective_Writes do not require special
	processing by the parser.
	* sem_ch3.adb (Analyze_Variable_Contract): New routine.
	(Analyze_Declarations): Analyze the contract of a variable at
	the end of the declarative region.
	(Analyze_Object_Declaration): Create a contract for a variable.
	* sem_ch6.adb (Analyze_Subprogram_Contract): Update the retrieval
	of classification pragmas.
	(Process_Formals): Detect an illegal
	use of a volatile object as a formal in a function.
	* sem_ch12.adb (Instantiate_Object): Detect an illegal use of
	a volatile object as an actual in generic instantiation.
	* sem_prag.adb Add entries for Async_Readers, Async_Writers,
	Effective_Reads and Effective_Writes in table Sig_Flags.
	(Analyze_External_State_In_Decl_Part): New routine.
	(Analyze_Global_Item): Detect an illegal use of a volatile object
	as a global item of a function.
	(Analyze_Pragma): Reimplement
	pragma Abstract_State. Add support for pragmas Async_Readers,
	Async_Writers, Effective_Reads and Effective_Writes.
	(Check_External_Properties): New routine.
	* sem_prag.ads (Analyze_External_State_In_Decl_Part): New routine.
	(Check_External_Properties): New routine.
	* sem_res.adb (Resolve_Actuals): Detect an illegal use of a
	volatile object as an actual in a call.
	(Resolve_Entity_Name):
	Add local variables Par, Prev and Usage_OK. Detect illegal
	contexts of volatile objects.
	* sem_util.adb (Add_Contract_Item): Add support for
	pragmas associated with the contract of a variable.
	(Async_Readers_Enabled): New routine.
	(Async_Writers_Enabled): New routine.
	(Effective_Reads_Enabled): New routine.
	(Effective_Writes_Enabled): New routine.
	(Has_Enabled_Property):
	New routine.
	(Is_Unchecked_Conversion_Instance): New routine.
	(Is_Volatile_Object): Add support for entities that may denote
	a volatile object.
	* sem_util.ads (Add_Contract_Item): Update the
	comment on usage.
	(Async_Readers_Enabled): New routine.
	(Async_Writers_Enabled): New routine.
	(Effective_Reads_Enabled): New routine.
	(Effective_Writes_Enabled): New routine.
	(Is_Unchecked_Conversion_Instance): New routine.
	* sinfo.ads Update the comment on the structure of N_Contract.
	* snames.ads-tmpl Add predefined names for Async_Readers,
	Async_Writers, Effective_Reads and Effective_Writes. Add
	pragma ids for Async_Readers, Async_Writers, Effective_Reads
	and Effective_Writes.

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* exp_ch4.adb (Eval_Op_Expon): Use CRT_Safe_Compile_Time_Known_Value
	* sem_eval.adb (Compile_Time_Known_Value): Remove special
	handling of CRT mode (CRT_Safe_Compile_Time_Known_Value): New
	function (Eval_Op_Expon): Add CRT_Safe in call to Test_Foldable
	(Test_Foldable): Add CRT_Safe parameter
	* sem_eval.ads (Compile_Time_Known_Value): Remove special
	handling of CRT mode.
	(CRT_Safe_Compile_Time_Known_Value): New function.

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb (Analyze_Pragma, case SPARK_Mode): Fix problem
	with pragma or aspect that applies to package spec or subprogram
	spec.

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* exp_aggr.adb: Minor reformatting.

2014-01-21  Johannes Kanig  <kanig@adacore.com>

	* gnat1drv.adb (Gnat1drv) remove obsolete reference to -gnatd.H.

2014-01-21  Bob Duff  <duff@adacore.com>

	* gnat_ugn.texi: Document the "checks" attribute in gnat2xml.

2014-01-21  Steve Baird  <baird@adacore.com>

	* gnat_rm.texi: Improve description of SPARK_Mode pragma.

2014-01-21  Vincent Celier  <celier@adacore.com>

	* prj-part.adb (Parse_Single_Project): Accept to extend a project
	if it has only be imported by an project being extended. When a
	project that has only been imported by a project being extended
	is imported by another project that is not being extended,
	reset the previous indication, so that it will be an error if
	this project is extended later.
	* prj-tree.adb (Create_Project): Include component From_Extended
	in table Projects_HT
	* prj-tree.ads (Project_Name_And_Node): New Boolean component
	From_Extended

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* atree.ads, atree.adb: Add Node33 and Set_Node33.
	* einfo.ads, einfo.adb (SPARK_Pragma): New field (SPARK_Aux_Pragma):
	New field (SPARK_Pragma_Inherited): New flag
	(SPARK_Aux_Pragma_Inherited): New flag (SPARK_Mode_Pragmas):
	Removed.
	* lib.ads, lib.adb: Remove SPARK_Mode_Pragma, no longer used.
	* opt.ads (SPARK_Mode_Pragma): New global variable.
	* sem.ads: Add Save_SPARK_Mode_Pragma field to Scope_Stack_Entry.
	* sem_ch3.adb: Use new SPARK_Mode data structures.
	* sem_ch6.adb: Set SPARK_Mode fields in subprogram specs and bodies.
	* sem_ch7.adb: Set SPARK_Mode fields in package spec and body entities.
	* sem_ch8.adb (Push_Scope): Save SPARK_Mode_Pragma.
	(Pop_Scope): Restore SPARK_Mode_Pragma.
	* sem_prag.adb (Analyze_Pragma, case SPARK_Mode): Rewrite for
	new data structures.

2014-01-21  Arnaud Charlet  <charlet@adacore.com>

	* back_end.adb: Undo previous change, not needed. Minor reformatting.

2014-01-21  Thomas Quinot  <quinot@adacore.com>

	* exp_ch5.adb: Fix comment.
	* switch-c.adb: Minor comment update.
	* exp_ch3.adb: Minor reformatting.

2014-01-21  Arnaud Charlet  <charlet@adacore.com>

	* back_end.adb (Scan_Compiler_Arguments): Do not store object
	filename in gnatprove mode.

2014-01-21  Thomas Quinot  <quinot@adacore.com>

	* sinfo.ads (No_Ctrl_Actions): Clarify documentation (flag also
	suppresses usage of primitive _assign for tagged types).
	* exp_aggr.adb (Build_Array_Aggr_Code.Gen_Assign): Set
	No_Ctrl_Actions for a tagged type that does not require
	finalization, as we want to disable usage of _assign (which
	may cause undesirable discriminant checks on an uninitialized,
	invalid target).

2014-01-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_prag.adb: Reject invariant'class on completion.

2014-01-21  Javier Miranda  <miranda@adacore.com>

	* exp_ch3.adb (Build_Init_Procedure): For
	derivations of interfaces, do not move the the initialization
	of the _parent field since such assignment is not generated.

2014-01-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_res.adb (Rewrite_Renamed_Operator): Do not replace entity
	with the operator it renames if we are within an expression of
	a pre/postcondition, because the expression will be reanalyzed
	at a later point, and the analysis of the renaming may affect
	the visibility of the operator when in an instance.

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* sinfo.ads, sinfo.adb: Change Do_Discriminant_Check to use new Flag1.
	Add this flag to type conversion nodes and assignment nodes.
	* treepr.adb: Deal properly with Flag 1,2,3.
	* treeprs.adt: Minor comment update.

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* sem_eval.adb (Compile_Time_Known_Value): Add Ignore_CRT
	parameter.
	* sem_eval.ads (Compile_Time_Known_Value): Add Ignore_CRT
	parameter, completely rewrite spec.

2014-01-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch10.adb (Install_Withed_Unit): If the unit is a subprogram
	instance that is inlined, it may have been rewritten as a wrapper
	package. In that case the unit that must be made visible is the
	related instance of the package.

2014-01-21  Arnaud Charlet  <charlet@adacore.com>

	* exp_ch9.adb (Expand_N_Selective_Accept.Add_Accept): Refine
	previous change in codepeer mode.

2014-01-21  Arnaud Charlet  <charlet@adacore.com>

	* exp_ch9.adb (Expand_N_Selective_Accept.Add_Accept): Always add
	call to Abort_Undefer, as expected by the runtime.
	* s-tasren.adb (Local_Complete_Rendezvous): Replace
	Defer_Abort_Nestable by Defer_Abort, since we do not expect abort to be
	deferred at this point. Update comments.

2014-01-21  Thomas Quinot  <quinot@adacore.com>

	* exp_ch4.adb, exp_ch5.adb, checks.adb: Minor reformatting.

2014-01-21  Arnaud Charlet  <charlet@adacore.com>

	* switch-c.adb, usage.adb, gnat_ugn.texi: Mark -gnates as internal,
	remove from doc.

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* switch-c.adb, usage.adb, atree.adb, atree.ads: Minor reformatting.

2014-01-21  Thomas Quinot  <quinot@adacore.com>

	* atree.adb, atree.ads (Num_Extension_Nodes): Switch to Node_Id, since
	this is value is used in Node_Id arithmetic operations.
	(Copy_Node, Exchange_Entities): Use loops indexed by Num_Extension_Nodes
	instead of hard-coded unrolled code.

2014-01-21  Yannick Moy  <moy@adacore.com>

	* gnat1drv.adb: Minor code cleanup, removing useless code.

2014-01-21  Arnaud Charlet  <charlet@adacore.com>

	* opt.ads (SPARK_Switches_File_Name): New.
	* switch-c.adb (Scan_Front_End_Switches): Add handling of -gnates=xxx *
	* usage.adb (Usage): Document -gnates, in gnatprove mode only.
	* gnat_ugn.texi: Document -gnates.

2014-01-21  Yannick Moy  <moy@adacore.com>

	* errout.adb (Special_Msg_Delete): Update comment. Remove
	special case for GNATprove which should not ignore mismatch
	in sizes for representation clauses.
	* sem_prag.adb (Analyze_Pragma): Remove special case for GNATprove
	which should not ignore pragma Pack.

2014-01-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch4.adb: Code clean up.

2014-01-21  Steve Baird  <baird@adacore.com>

	* gnat_rm.texi: Improve GNAT RM description of SPARK_Mode pragma.

2014-01-21  Robert Dewar  <dewar@adacore.com>

	* gcc-interface/gigi.h: Get Flags array address.
	* gcc-interface/trans.c: Acquire Flags array address.
	* atree.adb: Add support for Flags array and Flag0,1,2,3.
	* atree.ads: Add support for Flags array and Flag0,1,2,3.
	* atree.h: Add support for Flags array and Flag0,1,2,3.
	* back_end.adb: Pass Flags array address to gigi.

2014-01-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch8.adb (Attribute_Renaming): Transfer original attribute
	reference to generated body so that legality checks on stream
	attributes are properly applied. If type is tagged and already
	frozen, insert generated body at the point of the renaming
	declaration.

2014-01-21  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch12.adb: Code clean up.
	* sem_ch8.adb: Minor reformatting

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* checks.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* exp_ch4.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* opt.adb (SPARK_Mode_Config): Handled like other config flags
	* opt.ads (SPARK_Mode_Type): Moved here from types (renamed from
	SPARK_Mode_Id) (SPARK_Mode_Type): Add pragma Ordered, remove
	SPARK_ from names (SPARK_Mode): New flag (SPARK_Mode_Config):
	New flag (Config_Switches_Type): Add SPARK_Mode field
	* sem.adb: Minor code reorganization (remove unnecessary with)
	* sem.ads (Scope_Stack_Entry): Add Save_SPARK_Mode field
	* sem_aggr.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* sem_attr.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* sem_ch3.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* sem_ch4.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Reset SPARK_Mode
	from spec if needed
	* sem_ch7.adb (Analyze_Package_Body_Helper): Reset SPARK_Mode
	from spec if needed
	* sem_ch8.adb (Push_Scope): Save SPARK_Mode (Pop_Scope):
	Restore SPARK_Mode
	* sem_elab.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* sem_prag.adb (Get_SPARK_Mode_From_Pragma): New function
	(Get_SPARK_Mode_Id): Removed (Get_SPARK_Mode_Type): New name
	of Get_SPARK_Mode_Id
	* sem_prag.ads (Get_SPARK_Mode_From_Pragma): New function
	* sem_res.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* sem_util.adb: Check SPARK_Mode instead of GNATProve_Mode for
	converting warnings on inevitable exceptions to errors.
	* types.ads (SPARK_Mode_Id): Moved to opt.ads and renamed
	SPARK_Mode_Type

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb: Add semantic information to rewritten type
	reference.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch5.adb (Expand_N_Assignment_Statement): If both sides
	are of a type with unknown discriminants, convert both to the
	underlying view of the type, so that the proper constraint check
	can be applied to the right-hand side.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* atree.adb (Copy_Node): Fix failure to copy last component
	(Exchange_Entities): Fix failure to exchange last entity

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch12.adb: Code clean up.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi, sem_ch4.adb: Minor reformatting.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch4.adb (Analyze_Quantified_Expression): If after
	pre-analysis  the loop parameter specification has been
	rewritten as a iterator specification, propagate the change to
	the quantified expression, for ASIS navigtion needs.

2014-01-20  Vincent Celier  <celier@adacore.com>

	* par-ch10.adb: Minor error message change: escape [ and ].

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* checks.adb: Make warnings on exceptions into errors in GNATprove mode.
	* errout.adb: Implement [ and ] insertion characters.
	* errout.ads: Document new [ and ] insertion characters.
	* sem_ch12.adb, restrict.adb, frontend.adb, exp_ch7.adb: Minor
	addition of ??? comment.
	* lib-xref.adb, exp_util.adb, gnat1drv.adb: Minor reformatting
	* exp_ch4.adb, sem_ch3.adb, sem_ch4.adb, sem_ch6.adb, sem_elab.adb,
	sem_eval.adb, sem_res.adb, sem_util.adb, sem_attr.adb, sem_aggr.adb:
	Make warnings on exceptions into errors in GNATprove mode.
	* sem_dim.adb: Minor reformatting throughout Quote [ and ]
	in error messages.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb: Code clean up.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* errout.ads, errout.adb: Implement >? >x? >X? sequences in error
	messages.
	* sem_ch6.adb (Check_Statement_Sequence): Missing return is an
	error in GNATprove mode.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* par-ch4.adb (Is_Parameterless_Attribute): The Ada2012 attribute
	reference 'Old takes no parameters, and thus can appear as a
	prefix of a slice.

2014-01-20  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_aggr.adb: Fix minor typos.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb (Analyze_Attribute, case 'Constrained): In an
	instance the attribute is legal, and its value is determined
	statically if the type has no discriminants. This choice is
	more useful than rechecking the legality rule in the instance,
	is consistent with older usage, and is also consistent with all
	existing tests.

2014-01-20  Arnaud Charlet  <charlet@adacore.com>

	* sem_cat.adb (Validate_Static_Object_Name): Change error into
	warning in Relaxed_Semantic_Mode.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb: Code and comments cleanup.

2014-01-20  Yannick Moy  <moy@adacore.com>

	* debug.adb Free debug flags -gnatd.D, -gnatd.G and -gnatd.V *
	* errout.adb (Compilation_Errors): Remove special handling in
	GNATprove mode.
	* gnat1drv.adb (Adjust_Global_Switches): Remove handling of the
	removed debug flags.
	* gnat_rm.texi: Initial documentation for Abstract_State, Depends,
	Global, Initial_Condition, Initializes and Refined_State pragmas and
	aspects.
	* opt.ads (Frame_Condition_Mode, Formal_Extensions,
	SPARK_Strict_Mode): Remove global flags.
	* sem_ch3.adb (Analyze_Object_Declaration): Check of no hidden state
	always performed now, on packages declaring a null state.
	(Signed_Integer_Type_Declaration): Remove ill-designed attempt
	at providing pedantic mode for bounds of integer types.
	* sem_ch4.adb (Analyze_Quantified_Expression): Warning on suspicious
	"some" quantified expression now issued under control of -gnatw.t,
	like the other warning on unused bound variable.
	* sem_prag.adb (Check_Precondition_Postcondition): Remove useless test
	on removed flag.
	(Analyze_Pragma): Remove tests for SPARK 2014
	pragmas, not officially allowed by GNAT.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Analyze_Pragma): Ensure that
	the sole argument of pragmas Abstract_State, Contract_Cases,
	Depends, Global and Initializes in in aggregate form.
	(Analyze_Refined_Pragma): Ensure that the sole argument of
	pragmas Refined_Depends, Refined_Global and Refined_State is in
	aggregate form.
	(Ensure_Aggregate_Form): New routine.

2014-01-20  Doug Rupp  <rupp@adacore.com>

	* sem_attr.adb (Analyze_Attribute): case
	Attribute_Constrained => treat all prefixes as legal for Declib
	compatibility.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Check_Mode): Reimplement the routine.
	(Find_Mode): New routine.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* sem_ch4.adb (Operator_Check): Handle additional
	Allow_Integer_Address cases.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi (Allow_Integer_Address): Remove note about not
	allowed if address is non-private, no longer true.
	* sem_prag.adb (Analyze_Pragma, case Allow_Integer_Address):
	Remove check for address being private, causes difficulty when
	pragma used in gnat.adc file and is not needed, since we guard
	this in Address_Integer_Convert_OK.
	* exp_ch7.adb: Minor reformatting.
	* sem_ch4.adb: Handle operator operands in Allow_Integer_Address mode.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* checks.adb (Apply_Range_Check): Remove gnatprove special
	casing of exponentiation.
	* sem_res.adb (Resolve_Op_Expon): Apply range check to right
	operand for integer case to check range against Natural.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* s-tataat.adb: Minor reformatting.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* einfo.adb (Is_Descendent_Of_Address): Now applies to all
	entities, and also fix documentation to remove mention of visible
	integer type, since this is not what the implementation does.
	* einfo.ads (Is_Descendent_Of_Address): Now applies to all
	entities, and also fix documentation to remove mention of visible
	integer type, since this is not what the implementation does.
	* gnat_rm.texi: Minor clarification of Allow_Integer_Address
	function.
	* sem_ch4.adb (Analyze_One_Call): Handle Allow_Integer_Address
	case for parameter type check.
	* sem_res.adb (Resolve): Use new function
	Address_Integer_Convert_OK.
	* sem_type.adb: Minor code reorganization (use Ekind_In) Minor
	reformatting throughout.
	* sem_util.adb (Address_Integer_Convert_OK): New function.
	* sem_util.ads: Minor reformatting (put specs in alpha order)
	(Address_Integer_Convert_OK): New function.

2014-01-20  Thomas Quinot  <quinot@adacore.com>

	* exp_ch7.adb (Wrap_Transient_Expression):
	Insertion extra conditional expression only if
	Opt.Suppress_Control_Flow_Optimizations is set.

2014-01-20  Arnaud Charlet  <charlet@adacore.com>

	* s-tataat.adb (Initialize_Attributes): Abort might already be
	deferred in Create_Task.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* checks.adb (Apply_Scalar_Range_Check): Flag
	the exponent as requiring a range check when the expression is
	an exponentiation.

2014-01-20  Fedor Rybin  <frybin@adacore.com>

	* gnat_ugn.texi: Documenting --passed-tests option for gnattest.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_util.adb (Default_Initialization): New routine.
	* sem_util.ads: Add new type Default_Initialization_Kind.
	(Default_Initialization): New routine.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Check_Mode): Correct all error
	message logic dealing with in/in out parameters that may appear
	as inputs or have a self reference.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* exp_ch9.adb, checks.adb, exp_intr.adb: Minor reformatting.
	* sem_res.adb (Resolve): Fix error causing infinite loop for
	integer used as address. Allow addresses as integers.

2014-01-20  Arnaud Charlet  <charlet@adacore.com>

	* s-osinte-linux.ads (struct_sigaction): Fix rep clause.

2014-01-20  Bob Duff  <duff@adacore.com>

	* par-ch8.adb (P_Use_Type_Clause): Detect syntax
	error when "use all" is not followed by "type".

2014-01-20  Bob Duff  <duff@adacore.com>

	* exp_intr.adb (Expand_Unc_Deallocation): Remove warning on abort
	followed by free.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* checks.adb (Apply_Address_Clause_Check): If there is an
	alignment check on the expression in an address clause, and there
	is no local exception propagation, add an additional explanatory
	message to clarify the cause of previous warning.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* exp_ch7.adb: Minor reformatting.
	* opt.ads: Minor comment updates.
	* sem.adb: Minor name change Is_Main_Unit =>
	Is_Main_Unit_Or_Main_Unit_Spec.
	* sem_ch6.adb: Minor reformatting and code reorganization.

2014-01-20  Bob Duff  <duff@adacore.com>

	* gnat_ugn.texi: Update gnatpp switches.

2014-01-20  Thomas Quinot  <quinot@adacore.com>

	* exp_ch9.adb: Minor comment edit.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Document that Allow_Integer_Address is permitted
	only if System.Address is a private type.
	* opt.ads (Allow_Integer_Address): No longer set by -gnates.
	* sem_prag.adb (Analyze_Pragma, case Allow_Integer_Address):
	Allowed only if type System.Address is private, since otherwise
	it makes no sense.
	* sem_res.adb: Fix failure to properly Analyze unchecked
	conversions that were introduced by Allow_Integer_Address.
	* switch-c.adb: Remove -gnates switch.
	* usage.adb: Remove -gnates switch.
	* gnat_ugn.texi: Remove documentation of -gnates flag.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Analyze_Expression_Function): Pre-analyze and
	resolve expression to perform proper name capture.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem.adb (Semantics): When saving/restoring configuration
	switches, the spec of a pre- defined unit that is the main unit
	must be treated as a predefined unit as well.

2014-01-20  Thomas Quinot  <quinot@adacore.com>

	* exp_ch7.adb (Wrap_Transient_Expression): For a Boolean
	expression, insert an extra conditional expression when saving
	the value of the expression, for the benefit of control flow
	graph based coverage analysis.
	* exp_ch3.adb: Minor reformatting.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat1drv.adb: Set Allow_Integer_Address in relaxed semantics mode.
	* gnat_rm.texi: Document pragma Allow_Integer_Address.
	* gnat_ugn.texi: Document pragma Allow_Integer_Address, -gnates.
	* opt.ads: New flag Allow_Integer_Address.
	* par-prag.adb: Dummy entry for pragma Allow_Integer_Address.
	* sem_ch5.adb: Minor reformatting.
	* sem_prag.adb: Implement pragma Allow_Integer_Address.
	* sem_res.adb (Resolve): Allow integer address value if
	switch set.
	* sem_util.adb: Minor reformatting.
	* snames.ads-tmpl: Add entry for pragma Allow_Integer_Address.
	* switch-c.adb: Recognize flag -gnates.
	* usage.adb: Document flag -gnates.

2014-01-20  Thomas Quinot  <quinot@adacore.com>

	* s-tadeca.adb: Fix minor typos in comment.

2014-01-20  Pascal Obry  <obry@adacore.com>

	* s-win32.ads (FreeLibrary): New import.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* sem_res.adb, sem_cat.adb: Minor reformatting.
	* sem_ch11.adb (Analyze_Raise_Statement): Only give warning about
	assigning to OUT parameters for the current subprogram scope.
	* exp_ch4.adb: Minor reformatting.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch4.adb (Process_Transient_Object,
	Find_Enclosing_Contexts): If the top-level if-expression that
	generated the transient object is an actual in a call, the proper
	Hook_Context is a construct enclosing the call.
	* einfo.ads: Indicate that Related_Expression is used to link a
	loop variable to the container expression over which the loop
	takes place.
	(Analyze_Iterator_Specification): Set the Related_Expression of
	the loop variable in a container element iterator.
	(Note_Possible_Modification): If the variable is the loop
	variable in a container element iterator, indicate that the
	enclosing container is also modified.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* aspects.adb (Move_Or_Merge_Aspects): Reimplemented.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* s-taasde.ads, gnat_ugn.texi, s-tadeca.adb, sem_res.adb, s-tadeca.ads:
	Minor reformatting and code clean up.

2014-01-20  Arnaud Charlet  <charlet@adacore.com>

	* sem_cat.adb (Validate_Object_Declaration): Relax semantics
	of objects of private type if Relaxed_RM_Semantics.

2014-01-20  Claire Dross  <dross@adacore.com>

	* a-cofove.ads (Vector): Capacity discriminant
	should be in range of the index.

2014-01-20  Thomas Quinot  <quinot@adacore.com>

	* a-caldel.ads(To_Duration), s-taasde.ads(Time_Enqueue):
	Clarify specs s-tadeca.adb(Enqueue_Calendar): Compensate for
	possible difference between epoch of Ada.Calendar clock and Ada
	real-time/tasking clock.
	* s-taprop-posix.adb: Minor comment fix.

2014-01-20  Doug Rupp  <rupp@adacore.com>

	* sysdep.c [vxworks]: Remove Vxworks version noise for RTP.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_attr.adb (Expand_N_Attribute_Reference): Generate validity
	checks on the prefix of attribute 'Old.
	* sem_ch3.adb (Process_Range_Expr_In_Decl): Suppress the
	generation of validity checks on a range that belongs to the
	iteration scheme of a quantified expression.
	* sem_ch5.adb (One_Bound): Suppress the generation of validity
	checks on a bound that belongs to the iteration scheme of a
	quantified expression, generate the check in all other cases.

2014-01-20  Bob Duff  <duff@adacore.com>

	* gnat_ugn.texi: Enable --pp-new by default. Minor reorganization.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_res.adb (Resolve): When compiling a predefined unit, ignore
	interpretations that do not come from other predefined units,
	to prevent spurious ambiguities in the presence of user-defined
	operators in the context of (an instance of) a predefined unit.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Document that Loop_Variant is included in
	Statement_Assertions.
	* sem_prag.adb (Check_Kind): Add Loop_Variant to
	Statement_Assertions (Check_Applicable_Policy): Add Loop_Variant
	to Statement_Assertions.

2014-01-20  Doug Rupp  <rupp@adacore.com>

	* sysdep.c (__gnat_is_file_not_found_error) [vxworks6]: Add case
	for errno ENOENT from RTP on NFS mounted file system.

2014-01-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_util.adb (Check_Function_Writable_Actuals): 1) Do not
	examine code that does not come from source. The check does not
	apply to code generated for constraint checks, and such code may
	generate spurious error messages when compiled with expansion
	disabled (as in a generic unit) because side effects may not
	have been removed.
	2) Make error messages more explicit: indicate the component
	of the	construct whose value is indeterminate because of a
	call to a function with in-out parameter in another component,
	when there is no mandated order of execution between the two
	components (actuals, aggregate components, alternatives).

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Minor cleanup.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_attr.adb (Analyze_Attribute): Attributes 'Old and 'Result
	can now apply to a refined postcondition.
	* sem_ch6.adb (Analyze_Subprogram_Contract): Remove local
	variable Result_Seen. Add variables Case_Prag, Post_Prag,
	Seen_In_Case and Seen_In_Post. Update the mechanism that detects
	whether postconditions and/or constract-cases mention attribute
	'Result and introduce a post-state when applied to functions.
	(Check_Result_And_Post_State): Removed.
	* sem_prag.adb (Analyze_Pragma): Add local variable
	Result_Seen. Verify that the expression of pragma Refined_Post
	mentions attribute 'Result and introduces a post-state.
	* sem_util.ads, sem_util.adb (Check_Result_And_Post_State): New routine.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch7.adb (Is_Subprogram_Call): New routine.
	(Process_Transient_Objects): Make variable Must_Hook global with
	respect to all locally declared subprograms. Search the context
	for at least one subprogram call.
	(Requires_Hooking): Removed.

2014-01-20  Claire Dross  <dross@adacore.com>

	* a-cfdlli.ads a-cfhama.ads a-cfhase.ads a-cforma.ads
	* a-cforse.ads a-cofove.ads: Add pragma Annotate (GNATprove,
	External_Axiomatization);

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* sem_attr.adb (Analyze_Attribute, case Loop_Entry): Allow
	Loop_Entry in Assert, Assert_And_Cut, and Assume pragmas.
	* sem_prag.adb (Analyze_Pragma, case Assert[_And_Cut], Assume):
	Allow Loop_Entry to be used in these pragmas if they appear in
	an appropriate context.
	(Placement_Error): Specialize error
	message for pragma Assert[_And_Cut] or pragma Assume containing
	Loop_Entry attribute.
	* a-exexpr-gcc.adb, sinput.adb: Minor reformatting.
	* s-excmac-arm.ads, s-except.ads, s-excmac-gcc.ads: Minor reformatting
	and code clean ups.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* gnat1drv.adb: Minor comment update.

2014-01-20  Tristan Gingold  <gingold@adacore.com>

	* raise-gcc.c (PERSONALITY_FUNCTION/arm): Remove unused
	variables, comment out unused code.
	* a-exexpr-gcc.adb: Move declarations to s-excmac-gcc.ads
	* s-excmac-gcc.ads: New file, extracted from a-exexpr-gcc.adb
	* s-excmac-arm.ads: New file.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch4.adb (Expand_N_Slice): Remove constant D and variables
	Drange and Index_Typ. Remove the circuitry which creates a
	range check to compare the index type of the array against the
	discrete_range.
	* sem_res.adb (Resolve_Slice): Add local variable Dexpr. Update
	the circuitry which creates a range check to handle a
	discrete_range denoted by a subtype indication.

2014-01-20  Pierre-Marie Derodat  <derodat@adacore.com>

	* sinput.adb, sinput.ads (Sloc_Range): Traverse the tree of original
	nodes to get the original sloc range.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Analyze_Pragma): Use Defining_Entity to obtain the
	entity of a [library level] package.

2014-01-20  Tristan Gingold  <gingold@adacore.com>

	* raise-gcc.c (exception_class_eq): New function.
	(is_handled_by): Use it to compare exception classes.
	(PERSONALITY_STORAGE): Define.	(continue_unwind): New function to
	be called to return URC_CONTINUE_UNWIND.
	(personality_body): New function, extracted from PERSONALITY_ROUTINE.
	(PERSONALITY_ROUTINE): Add an implementation for the ARM unwinder.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* opt.ads: Minor comment update.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch4.adb (Expand_N_Slice): Relocate some variables and
	constants to the "Local variables" area. Add new constant D. Add
	new variables Drange and Index_Typ.  Rename Pfx to Rep and Ptp
	to Pref_Typ and update all occurrences. Add circuitry to extract
	the discrete_range and the index type and build a range check.

2014-01-20  Arnaud Charlet  <charlet@adacore.com>

	* gnat1drv.adb (Adjust_Global_Switches): Enable
	Treat_Categorization_Errors_As_Warnings when Relaxed_RM_Semantics
	is set.

2014-01-20  Thomas Quinot  <quinot@adacore.com>

	* sem_ch5.adb, sem_ch4.adb: Minor reformatting.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_ch13.adb (Analyze_Aspect_Specifications):
	When aspect SPARK_Mode appears on a package body, insert the
	generated pragma at the top of the body declarations.

2014-01-20  Robert Dewar  <dewar@adacore.com>

	* sem_aggr.adb, exp_prag.adb, sem_aux.adb, sinfo.ads, sem_ch10.adb,
	checks.adb, sem_prag.adb, sem_ch12.adb, freeze.adb, g-arrspl.adb,
	expander.adb, gnat1drv.adb, exp_ch4.adb, sem_ch6.adb,
	sem_ch8.adb, exp_dist.adb: Minor reformatting.

2014-01-20  Yannick Moy  <moy@adacore.com>

	* gnat1drv.adb (Gnat1drv): Call Write_ALI with Object=True in GNATprove
	mode.

2014-01-20  Pascal Obry  <obry@adacore.com>

	* g-arrspl.ads (Slice_Set): New definition (will use a copy on
	write scheme).
	* g-arrspl.adb: Adapt all routine to this new implementation.
	(Set): Copy the Slice_Set definition before reusing it.

2014-01-20  Arnaud Charlet  <charlet@adacore.com>

	* sem_prag.adb (Process_Import_Or_Interface): In
	Relaxed_RM_Semantics, support old Ada 83 style of pragma Import.
	(Analyze_Pragma): Ditto for pragma Export.
	* exp_prag.adb (Expand_Pragma_Import_Or_Interface): Handle old pragma
	Import style.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.ads: E_Abstract_State is now part of the entities that
	can be overloaded. Update type Overloadable_Kind to reflect the
	inclusion of abstract states.
	* sem_ch6.adb (New_Overloaded_Entity): A function can now
	overload an abstract state.
	* sem_prag.adb (Analyze_Constituent): Handle the overloading
	of states by functions. Use Entity_Of to obtain the entity of
	a constituent.	(Analyze_Global_Item): Handle the overloading of
	states by functions.
	(Analyze_Initialization_Item): Handle the
	overloading of states by functions.  Use Entity_Of to obtain the
	entity of an item.
	(Analyze_Input_Item): Handle the overloading
	of states by functions. Use Entity_Of to obtain the entity of an item.
	(Analyze_Input_Output): Handle the overloading of states by functions.
	(Analyze_Refinement_Clause): Handle the overloading
	of states by functions.  Use Entity_Of to obtain the entity of an item.
	(Appears_In): Use Entity_Of to obtain the entity of an element.
	(Check_Usage): Use Entity_Of to obtain the entity of
	an item. Add a guard to prevent a crash due to a previous error.
	(Resolve_State): New routine.

2014-01-20  Yannick Moy  <moy@adacore.com>

	* spark_xrefs.ads, debug.adb, gnat1drv.adb, errout.adb, errout.ads,
	opt.ads: Minor comments updates.

2014-01-20  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.adb (Non_Limited_View): Applies to abstract states.
	(Set_From_Limited_With): Applies to abstract states.
	(Set_Non_Limited_View): Applies to abstract states.
	(Write_Field17): Output the non-limited view of an abstract state.
	* einfo.ads: Update the comment on usage and occurrences in
	nodes for attributes From_Limited_With and Non_Limited_View.
	* sem_aux.adb (Available_View): This routine can now handle
	abstract states.
	* sem_aux.ads (Available_View): This routine can now handle
	abstract states. Update the comment on usage.
	* sem_ch8.adb (Find_Expanded_Name): Handle abstract views
	of states and variables.
	(In_Pragmas_Depends_Or_Global): New routine.
	* sem_ch10.adb (Build_Limited_Views): Implement
	abstract (limited) views of variables and states.
	(Build_Shadow_Entity): This routine is now a procedure. Add
	formal parameter Shadow. Update the comment on usage. Add
	context-specific decoration for states and variables.
	(Decorate_State): New routine.	(Decorate_Variable): New routine.
	(Find_And_Process_States): New routine.
	(Process_Declarations): Renamed to Process_Declarations_And_States.
	(Process_Declarations_And_States): Add formal parameters
	Pack and Create_Abstract_Views. Update the comment on usage.
	(Process_States): New routine.
	* sem_prag.adb (Check_Dependency_Clause): Handle abstract
	views of states and variables. Match the abstract view of a state
	against its corresponding non-abstract view.
	(Is_Matching_Input):
	Handle abstract views of states and variables. Match the abstract
	view of a state against its corresponding non-abstract view.
	(Process_Global_Item): Handle abstract views of states and
	variables.

2014-01-20  Bob Duff  <duff@adacore.com>

	* sem_ch10.adb (Expand_With_Clause): Don't
	recurse on the prefix if the current with-ed name refers to a
	package that renames its own parent, eg "package P.Q renames P;".

2014-01-20  Yannick Moy  <moy@adacore.com>

	* exp_spark.adb (Expand_SPARK_Call): Remove procedure.
	* opt.adb, opt.ads (Full_Expander_Active): Remove function.
	* checks.adb, exp_ch6.adb, exp_ch9.adb, exp_disp.adb, sem_aggr.adb,
	* sem_ch10.adb, sem_ch5.adb, sem_ch6.adb, sem_ch8.adb, sem_ch9.adb,
	* sem_disp.adb, sem_res.adb Replace Full_Expander_Active by
	Expander_Active.

2014-01-20  Yannick Moy  <moy@adacore.com>

	* sinfo.ads Update documentation of GNATprove mode.

2014-01-20  Yannick Moy  <moy@adacore.com>

	* adabkend.adb, ali-util.adb, errout.adb, exp_ch7.adb,
	* exp_dbug.adb, freeze.adb, lib-xref.adb, restrict.adb,
	* sem_attr.adb, sem_ch4.adb, sem_ch5.adb, sem_ch6.adb, sem_ch8.adb,
	* sem_prag.adb, sem_res.adb, sem_util.adb Rename SPARK_Mode into
	GNATprove_Mode.
	* sem_ch13.adb: Remove blank.
	* exp_spark.adb, exp_spark.ads (Expand_SPARK_Call): Only replace
	subprograms by alias for renamings, not for inherited primitive
	operations.
	* exp_util.adb (Expand_Subtype_From_Expr): Apply the expansion
	in GNATprove mode.
	(Remove_Side_Effects): Apply the removal in
	GNATprove mode, for the full analysis of expressions.
	* expander.adb (Expand): Call the light SPARK expansion in GNATprove
	mode.
	(Expander_Mode_Restore, Expander_Mode_Save_And_Set): Ignore
	save/restore actions for Expander_Active flag in GNATprove mode,
	similar to what is done in ASIS mode.
	* frontend.adb (Frontend): Generic bodies are instantiated in
	GNATprove mode.
	* gnat1drv.adb (Adjust_Global_Switches): Set operating
	mode to Check_Semantics in GNATprove mode, although a light
	expansion is still performed.
	(Gnat1drv): Set Back_End_Mode to
	Declarations_Only in GNATprove mode, and later on special case
	the GNATprove mode to continue analysis anyway.
	* lib-writ.adb (Write_ALI): Always generate ALI files in
	GNATprove mode.
	* opt.adb, opt.ads (Full_Expander_Active): Make it equivalent to
	Expander_Active.
	(SPARK_Mode): Renamed as GNATprove_Mode.
	* sem_aggr.adb (Aggregate_Constraint_Checks): Add checks in the
	tree in GNATprove_Mode.
	* sem_ch12.adb (Analyze_Package_Instantiation): Always instantiate
	body in GNATprove mode.
	(Need_Subprogram_Instance_Body): Always instantiate body in GNATprove
	mode.
	* sem_ch3.adb (Constrain_Index, Process_Range_Expr_In_Decl):
	Make sure side effects are removed in GNATprove mode.

2014-01-20  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Robustify tests
	for aliased objects with an unconstrained nominal subtype.
	* gcc-interface/trans.c (Call_to_gnu): Likewise.
	(gnat_to_gnu) <case N_Op_Not>: Robustify test for private type.
	<case N_Op_Minus>: Remove useless code.
	(Exception_Handler_to_gnu_zcx): Minor tweaks.

2014-01-20  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <case E_Record_Subtype>:
	Tidy up.  For a subtype with discriminants and variant part, if a
	variant is statically selected and the fields all have a constant
	position, put them in order of increasing position.  Likewise if
	no variant part but representation clause is present.
	* gcc-interface/utils.c (make_packable_type): Robustify.
	(maybe_pad_type): Use local variable and tidy up condition.  If no
	alignment is specified, use the original one.
	(create_type_stub_decl): Minor tweak.
	(convert) <case VECTOR_CST>: Fix typo.
	<case CONSTRUCTOR>: Deal with padding types around the same type.
	Do not punt on missing fields.
	(unchecked_convert): Call finish_record_type to lay out the special
	record types made for conversions from/to problematic integer types.
	Bump the alignment of CONSTRUCTORs before converting them to a more
	aligned type.

2014-01-20  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <case E_Component>: Remove
	obsolete code for type_annotate_only mode, simplify code and slightly
	improve wording of comments.

2014-01-12  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/59772
	* gcc-interface/cuintp.c (build_cst_from_int): Use 32-bit integer type
	as intermediate type.
	(UI_To_gnu): Likewise.

2014-01-03  Eric Botcazou  <ebotcazou@adacore.com>

	* gnatvsn.ads (Current_Year): Bump to 2014.

2014-01-02  Tobias Burnus  <burnus@net-b.de>

	* gnat_ugn.texi: Bump @copying's copyright year.

Copyright (C) 2014 Free Software Foundation, Inc.

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are permitted in any medium without royalty provided the copyright
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