path: root/gcc/ada/ChangeLog

2017-01-13  Justin Squirek  <squirek@adacore.com>

	* sem_ch12.adb (Analyze_Package_Instantiation): Move disabiling
	of the style check until after preanalysis of acutals.

2017-01-13  Yannick Moy  <moy@adacore.com>

	* sem_ch13.adb: Minor reformatting.
	* par-ch11.adb: minor style fix in whitespace
	* gnatbind.adb (Gnatbind): Scope of Std_Lib_File
	reduced to Add_Artificial_ALI_File; style fix in declaration of
	Text; grammar fix in comment.
	* osint-c.adb (Read_Library_Info): strip trailing NUL from result.
	* freeze.adb: Cleanup to pass pragma instead of
	expression to call.
	* exp_spark.adb (Expand_SPARK_Attribute_Reference): New procedure to
	replace System'To_Address by equivalent call.

2017-01-13  Arnaud Charlet  <charlet@adacore.com>

	* bindusg.adb: Improve usage output for -f switch.

2017-01-13  Hristian Kirtchev  <kirtchev@adacore.com>

	* frontend.adb, freeze.adb, sem_res.adb, sem_attr.adb, sem_ch8.adb:
	Minor reformatting.

2017-01-13  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb (Is_Predicate_Static): Following the intent of the RM,
	treat comparisons on strings as legal in a Static_Predicate.
	(Is_Predicate_Static, Is_Type_Ref): Predicate also returns true on
	a function call that is the expansion of a string comparison.The
	function call is built when compiling the corresponding predicate
	function, but the expression has been found legal as a static
	predicate during earlier analysis.
	* sem_eval.adb (Real_Or_String_Static_Predicate_Matches): Handle
	properly a function call that is the expansion of a string
	comparison operation, in order to recover the Static_Predicate
	expression and apply it to a static argument when needed.

2017-01-13  Tristan Gingold  <gingold@adacore.com>

	* s-mmap.adb, s-mmap.ads (Open_Read_No_Exception): New function.
	(Open_Read): Re-implement using Open_Read_No_Exception.
	(Open_Write): Raise exception in case of error.
	* s-mmosin-mingw.adb (Open_Common): Do not raise exception.
	* s-mmosin-unix.adb (Open_Read, Open_Write): Do not
	reaise exception.
	* s-mmosin-mingw.ads, s-mmosin-unix.ads (Open_Read): Adjust comment.

2017-01-13  Yannick Moy  <moy@adacore.com>

	* checks.adb: Code cleanup.

2017-01-13  Yannick Moy  <moy@adacore.com>

	* freeze.adb (Check_Inherited_Conditions): Use analyzed pragma
	expression instead of unanalyzed aspect expression for checking
	the validity of inheriting an operation. Also copy the expression
	being passing it to Build_Class_Wide_Expression, as this call
	modifies its argument.
	* sem_util.ads Fix comment to reference correct function name
	New_Copy_Tree.

2017-01-13  Javier Miranda  <miranda@adacore.com>

	* sem_res.adb (Resolve_Generalized_Indexing): Compiling in ASIS mode,
	when we propagate information about the indexes back to the original
	indexing mode and the prefix of the index is a function call, do not
	remove any parameter from such call.

2017-01-13  Gary Dismukes  <dismukes@adacore.com>

	* exp_ch6.ads (Needs_BIP_Finalization_Master): Update comment.
	* exp_ch6.adb (Needs_BIP_Finalization_Master): Return True for
	a build-in-place function whose result type is tagged.

2017-01-13  Yannick Moy  <moy@adacore.com>

	* sem_ch8.adb (Analyze_Subprogram_Renaming.Build_Class_Wide_Wrapper):
	Do not generate a wrapper when the only candidate is a class-wide
	subprogram.
	(Analyze_Subprogram_Renaming): Do not freeze the renaming or renamed
	inside a generic context.

2017-01-13  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_util.adb (Add_Inherited_Tagged_DIC):
	Pass the object parameters of both the parent and the derived
	type DIC procedure to the reference replacement circuitry.
	(Find_DIC_Type): Modify the circuitry to present the partial
	view of a private type in case the private type defines its own
	DIC pragma.
	(Replace_Object_And_Primitive_References): Add two
	optional formal parameters.  Update the comment on usage. Update
	the replacement of references to object parameters.

2017-01-13  Gary Dismukes  <dismukes@adacore.com>

	* einfo.adb, sem_ch6.adb, atree.adb: Minor reformatting and typo fix.

2017-01-13  Ed Schonberg  <schonberg@adacore.com>

	* sem_res.adb (Resolve_Actuals): Apply Scalar_Range_Check to
	an out parameter that is a type conversion, independently of th
	range check that may apply to the expression of the conversion,
	for use in GNATProve.

2017-01-13  Yannick Moy  <moy@adacore.com>

	* gnat1drv.adb (Gnat1drv): Move the implicit with for System in
	GNATprove_Mode here to Frontend.
	* frontend.adb (Frontend): Move the implicit with for System
	in GNATprove_Mode here as it ismore correct this way; the old
	place only worked by chance, since there were no overloaded names.
	* rtsfind.ads (RE_Id, RE_Unit_Table): Add RE_Tasking_State.
	* sem_attr.adb (Analyze_Attribute): In GNATprove_Mode, for the
	four attributes identified in SRM 9(18), add an implicit with
	to Ada.Task_Identification.
	* sem_ch8.adb (Analyze_Subprogram_Renaming.Build_Class_Wide_Wrapper):
	Deal specially with the wrapper introduced for AI05-0071 in GNATprove
	mode.
	* checks.adb (Apply_Discriminant_Check,
	Apply_Selected_Length_Checks, Apply_Selected_Range_Checks):
	In GNATprove mode, we do not apply the checks, but we still
	analyze the expression to possibly issue errors on SPARK
	code when a run-time error can be detected at compile time.
	(Selected_Length_Checks, Selected_Range_Checks): Perform analysis
	in GNATprove mode.

2017-01-13  Hristian Kirtchev  <kirtchev@adacore.com>

	* expander.adb (Expand): Add a warning about using return
	statements in Ghost management code.
	* exp_ch3.adb (Freeze_Type): Add a warning about using return
	statements in Ghost management code.
	* exp_ch7.adb (Build_Invariant_Procedure_Body,
	Build_Invariant_Procedure_Declaration): Add a warning about
	using return statements in Ghost management code.
	* exp_disp.adb (Make_DT): Add a warning about using return
	statements in Ghost management code.
	* exp_util.adb (Build_DIC_Procedure_Body,
	Build_DIC_Procedure_Declaration, Make_Predicated_Call): Add a
	warning about using return statements in Ghost management code.
	* freeze.adb (Freeze_Entity): Add a warning about using return
	statements in Ghost management code.
	* sem.adb (Analyze, Do_Analyze): Add a warning about using return
	statements in Ghost management code.
	* sem_ch3.adb (Analyze_Object_Declaration, Process_Full_View): Add
	a warning about using return statements in Ghost management code.
	* sem_ch5.adb (Analyze_Assignment): Add a warning about using
	return statements in Ghost management code.
	* sem_ch6.adb (Analyze_Procedure_Call,
	Analyze_Subprogram_Body_Helper): Add a warning about using return
	statements in Ghost management code.
	* sem_ch7.adb (Analyze_Package_Body_Helper): Add a warning about
	using return statements in Ghost management code.
	* sem_ch12.adb (Analyze_Package_Instantiation,
	Analyze_Subprogram_Instantiation, Instantiate_Package_Body,
	Instantiate_Subprogram_Body): Add a warning about using return
	statements in Ghost management code.
	* sem_ch13.adb (Build_Predicate_Functions,
	Build_Predicate_Function_Declarations): Add a warning about
	using return statements in Ghost management code.
	* sem_prag.adb (Analyze_Contract_Cases_In_Decl_Part,
	Analyze_Initial_Condition_In_Decl_Part, Analyze_Pragma,
	Analyze_Pre_Post_Condition_In_Decl_Part):  Add a warning about
	using return statements in Ghost management code.

2017-01-13  Tristan Gingold  <gingold@adacore.com>

	* s-mmosin-mingw.adb: Fix pragma import.

2017-01-13  Arnaud Charlet  <charlet@adacore.com>

	* gnat1drv.adb (Adjust_Global_Switches): Ignore -gnateE in
	codepeer mode.

2017-01-13  Hristian Kirtchev  <kirtchev@adacore.com>

	* atree.adb (Allocate_Initialize_Node): A newly created node is
	no longer marked as Ghost at this level.
	(Mark_New_Ghost_Node): New routine.
	(New_Copy): Mark the copy as Ghost.
	(New_Entity): Mark the entity as Ghost.
	(New_Node): Mark the node as Ghost.
	* einfo.adb (Is_Checked_Ghost_Entity): This attribute can now
	apply to unanalyzed entities.
	(Is_Ignored_Ghost_Entity): This attribute can now apply to unanalyzed
	entities.
	(Set_Is_Checked_Ghost_Entity): This attribute now
	applies to all entities as well as unanalyzed entities.
	(Set_Is_Ignored_Ghost_Entity): This attribute now applies to
	all entities as well as unanalyzed entities.
	* expander.adb Add with and use clauses for Ghost.
	(Expand): Install and revert the Ghost region associated with the node
	being expanded.
	* exp_ch3.adb (Expand_Freeze_Array_Type): Remove all Ghost-related code.
	(Expand_Freeze_Class_Wide_Type): Remoe all Ghost-related code.
	(Expand_Freeze_Enumeration_Type): Remove all Ghost-related code.
	(Expand_Freeze_Record_Type): Remove all Ghost-related code.
	(Freeze_Type): Install and revert the Ghost region associated
	with the type being frozen.
	* exp_ch5.adb Remove with and use clauses for Ghost.
	(Expand_N_Assignment_Statement): Remove all Ghost-related code.
	* exp_ch6.adb Remove with and use clauses for Ghost.
	(Expand_N_Procedure_Call_Statement): Remove all Ghost-relatd code.
	(Expand_N_Subprogram_Body): Remove all Ghost-related code.
	* exp_ch7.adb (Build_Invariant_Procedure_Body): Install and revert the
	Ghost region of the working type.
	(Build_Invariant_Procedure_Declaration): Install and revert
	the Ghost region of the working type.
	(Expand_N_Package_Body): Remove all Ghost-related code.
	* exp_ch8.adb Remove with and use clauses for Ghost.
	(Expand_N_Exception_Renaming_Declaration): Remove all Ghost-related
	code.
	(Expand_N_Object_Renaming_Declaration): Remove all Ghost-related code.
	(Expand_N_Package_Renaming_Declaration): Remove all Ghost-related code.
	(Expand_N_Subprogram_Renaming_Declaration): Remove all Ghost-related
	code.
	* exp_ch13.adb Remove with and use clauses for Ghost.
	(Expand_N_Freeze_Entity): Remove all Ghost-related code.
	* exp_disp.adb (Make_DT): Install and revert the Ghost region of
	the tagged type. Move the generation of various entities within
	the Ghost region of the type.
	* exp_prag.adb Remove with and use clauses for Ghost.
	(Expand_Pragma_Check): Remove all Ghost-related code.
	(Expand_Pragma_Contract_Cases): Remove all Ghost-related code.
	(Expand_Pragma_Initial_Condition): Remove all Ghost-related code.
	(Expand_Pragma_Loop_Variant): Remove all Ghost-related code.
	* exp_util.adb (Build_DIC_Procedure_Body): Install
	and revert the Ghost region of the working types.
	(Build_DIC_Procedure_Declaration): Install and revert the
	Ghost region of the working type.
	(Make_Invariant_Call): Install and revert the Ghost region of the
	associated type.
	(Make_Predicate_Call): Reimplemented. Install and revert the
	Ghost region of the associated type.
	* freeze.adb (Freeze_Entity): Install and revert the Ghost region
	of the entity being frozen.
	(New_Freeze_Node): Removed.
	* ghost.adb Remove with and use clauses for Opt.
	(Check_Ghost_Completion): Update the parameter profile
	and all references to formal parameters.
	(Ghost_Entity): Update the comment on usage.
	(Install_Ghost_Mode): New routines.
	(Is_Ghost_Assignment): New routine.
	(Is_Ghost_Declaration): New routine.
	(Is_Ghost_Pragma): New routine.
	(Is_Ghost_Procedure_Call): New routine.
	(Is_Ghost_Renaming): Removed.
	(Is_OK_Declaration): Reimplemented.
	(Is_OK_Pragma): Reimplemented.
	(Is_OK_Statement): Reimplemented.
	(Is_Subject_To_Ghost): Update the comment on usage.
	(Mark_And_Set_Ghost_Assignment): New routine.
	(Mark_And_Set_Ghost_Body): New routine.
	(Mark_And_Set_Ghost_Completion): New routine.
	(Mark_And_Set_Ghost_Declaration): New routine.
	(Mark_And_Set_Ghost_Instantiation): New routine.
	(Mark_And_Set_Ghost_Procedure_Call): New routine.
	(Mark_Full_View_As_Ghost): Removed.
	(Mark_Ghost_Declaration_Or_Body): New routine.
	(Mark_Ghost_Pragma): New routine.
	(Mark_Ghost_Renaming): New routine.
	(Mark_Pragma_As_Ghost): Removed.
	(Mark_Renaming_As_Ghost): Removed.
	(Propagate_Ignored_Ghost_Code): Update the comment on usage.
	(Prune_Node): Freeze nodes no longer need special pruning, they
	are processed by the general ignored Ghost code mechanism.
	(Restore_Ghost_Mode): New routine.
	(Set_Ghost_Mode): Reimplemented.
	(Set_Ghost_Mode_From_Entity): Removed.
	* ghost.ads Add with and use clauses for Ghost.
	(Check_Ghost_Completion): Update the parameter profile
	along with the comment on usage.
	(Install_Ghost_Mode): New routine.
	(Is_Ghost_Assignment): New routine.
	(Is_Ghost_Declaration): New routine.
	(Is_Ghost_Pragma): New routine.
	(Is_Ghost_Procedure_Call): New routine.
	(Mark_And_Set_Ghost_Assignment): New routine.
	(Mark_And_Set_Ghost_Body): New routine.
	(Mark_And_Set_Ghost_Completion): New routine.
	(Mark_And_Set_Ghost_Declaration): New routine.
	(Mark_And_Set_Ghost_Instantiation): New routine.
	(Mark_And_Set_Ghost_Procedure_Call): New routine.
	(Mark_Full_View_As_Ghost): Removed.
	(Mark_Ghost_Pragma): New routine.
	(Mark_Ghost_Renaming): New routine.
	(Mark_Pragma_As_Ghost): Removed.
	(Mark_Renaming_As_Ghost): Removed.
	(Restore_Ghost_Mode): New routine.
	(Set_Ghost_Mode): Redefined.
	(Set_Ghost_Mode_From_Entity): Removed.
	* sem.adb (Analyze): Install and revert the Ghost region of the
	node being analyzed.
	(Do_Analyze): Change the way a clean Ghost
	region is installed and reverted.
	* sem_ch3.adb (Analyze_Full_Type_Declaration): Remove
	all Ghost-related code.
	(Analyze_Incomplete_Type_Decl): Remove all Ghost-related code.
	(Analyze_Number_Declaration): Remove all Ghost-related code.
	(Analyze_Object_Declaration): Install and revert the Ghost region of
	a deferred object declaration's completion.
	(Array_Type_Declaration): Remove all Ghost-related code.
	(Build_Derived_Type): Update the comment on
	the propagation of Ghost attributes from a parent to a derived type.
	(Derive_Subprogram): Remove all Ghost-related code.
	(Make_Class_Wide_Type): Remove all Ghost-related code.
	(Make_Implicit_Base): Remove all Ghost-related code.
	(Process_Full_View): Install and revert the Ghost region of
	the partial view.  There is no longer need to check the Ghost
	completion here.
	* sem_ch5.adb (Analyze_Assignment): Install and revert the Ghost
	region of the left hand side.
	* sem_ch6.adb (Analyze_Abstract_Subprogram_Declaration): Remove
	all Ghost-related code.
	(Analyze_Expression_Function): Remove all Ghost-related code.
	(Analyze_Generic_Subprogram_Body): Remove all Ghost-related code.
	(Analyze_Procedure_Call): Install and revert the Ghost region of
	the procedure being called.
	(Analyze_Subprogram_Body_Helper): Install and revert the Ghost
	region of the spec or body.
	(Analyze_Subprogram_Declaration): Remove all Ghost-related code.
	(Build_Subprogram_Declaration): Remove all Ghost-related code.
	(Find_Corresponding_Spec): Remove all Ghost-related code.
	(Process_Formals): Remove all Ghost-related code.
	* sem_ch7.adb (Analyze_Package_Body_Helper): Install and revert
	the Ghost region of the spec.
	(Analyze_Package_Declaration): Remove all Ghost-related code.
	* sem_ch8.adb (Analyze_Exception_Renaming): Mark a renaming as
	Ghost when it aliases a Ghost entity.
	(Analyze_Generic_Renaming): Mark a renaming as Ghost when it aliases
	a Ghost entity.
	(Analyze_Object_Renaming): Mark a renaming as Ghost when
	it aliases a Ghost entity.
	(Analyze_Package_Renaming): Mark a renaming as Ghost when it aliases
	a Ghost entity.
	(Analyze_Subprogram_Renaming): Mark a renaming as Ghost when it
	aliases a Ghost entity.
	* sem_ch11.adb Remove with and use clauses for Ghost.
	(Analyze_Exception_Declaration): Remove all Ghost-related code.
	* sem_ch12.adb (Analyze_Generic_Package_Declaration): Remove all
	Ghost-related code.
	(Analyze_Generic_Subprogram_Declaration): Remove all Ghost-related
	code.
	(Analyze_Package_Instantiation): Install and revert the Ghost region
	of the package instantiation.
	(Analyze_Subprogram_Instantiation): Install
	and revert the Ghost region of the subprogram instantiation.
	(Instantiate_Package_Body): Code clean up. Install and revert the
	Ghost region of the package body.
	(Instantiate_Subprogram_Body): Code clean up. Install and revert the
	Ghost region of the subprogram body.
	* sem_ch13.adb (Build_Predicate_Functions): Install
	and revert the Ghost region of the related type.
	(Build_Predicate_Function_Declaration): Code clean up. Install
	and rever the Ghost region of the related type.
	* sem_prag.adb (Analyze_Contract_Cases_In_Decl_Part):
	Install and revert the Ghost region of the pragma.
	(Analyze_Initial_Condition_In_Decl_Part): Install and revert the
	Ghost region of the pragma.
	(Analyze_Pragma): Install and revert the Ghost region of various
	pragmas.  Mark a pragma as Ghost when it is related to a Ghost entity
	or encloses a Ghost entity.
	(Analyze_Pre_Post_Condition): Install and revert the Ghost
	region of the pragma.
	(Analyze_Pre_Post_Condition_In_Decl_Part): Install and revert the
	Ghost region of the pragma.
	* sem_res.adb (Resolve): Remove all Ghost-related code.
	* sem_util.adb (Is_Declaration): Reimplemented.
	(Is_Declaration_Other_Than_Renaming): New routine.
	* sem_util.ads (Is_Declaration_Other_Than_Renaming): New routine.
	* sinfo.adb (Is_Checked_Ghost_Pragma): New routine.
	(Is_Ghost_Pragma): Removed.
	(Is_Ignored_Ghost_Pragma): New routine.
	(Set_Is_Checked_Ghost_Pragma): New routine.
	(Set_Is_Ghost_Pragma): Removed.
	(Set_Is_Ignored_Ghost_Pragma): New routine.
	* sinfo.ads: Update the documentation on Ghost mode and
	Ghost regions.	New attributes Is_Checked_Ghost_Pragma
	and Is_Ignored_Ghost_Pragma along with usages in nodes.
	Remove attribute Is_Ghost_Pragma along with usages in nodes.
	(Is_Checked_Ghost_Pragma): New routine along with pragma Inline.
	(Is_Ghost_Pragma): Removed along with pragma Inline.
	(Is_Ignored_Ghost_Pragma): New routine along with pragma Inline.
	(Set_Is_Checked_Ghost_Pragma): New routine along with pragma Inline.
	(Set_Is_Ghost_Pragma): Removed along with pragma Inline.
	(Set_Is_Ignored_Ghost_Pragma): New routine along with pragma Inline.

2017-01-12  Tristan Gingold  <gingold@adacore.com>

	* s-mmap.ads, s-mmap.adb, s-mmosin-unix.ads, s-mmosin-unix.adb,
	s-mmauni-long.ads, s-mmosin-mingw.ads, s-mmosin-mingw.adb: New files.

2017-01-12  Yannick Moy  <moy@adacore.com>

	* errout.adb, errout.ads (Initialize): Factor common treatment
	in Reset_Warnings.
	(Reset_Warnings): New procedure to reset counts related to warnings.
	(Record_Compilation_Errors): New variable to store the presence of an
	error, used in gnat2why to allow changing the Warning_Mode.
	(Compilation_Errors): Use new variable Record_Compilation_Errors to
	store the presence of an error.

2017-01-12  Javier Miranda  <miranda@adacore.com>

	* sem_ch13.adb (Analyze_Aspect_Specifications):
	For Interrupt_Handler and Attach_ Handler aspects, decorate the
	internally built reference to the protected procedure as coming
	from sources and force its analysis.

2017-01-12  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Build_Derived_Type): For a scalar derived type,
	inherit predicates if any from the first_subtype of the parent,
	not from the anonymous parent type.
	* sem_eval.adb (Is_Static_Subtype): A type that inherits a dynamic
	predicate is not a static subtype.

2017-01-12  Gary Dismukes  <dismukes@adacore.com>

	* freeze.adb (Check_Suspicious_Convention): New procedure
	performing a warning check on discriminated record types with
	convention C or C++. Factored out of procedure Freeze_Record_Type,
	and changed to only apply to base types (to avoid spurious
	warnings on subtypes). Minor improvement of warning messages
	to refer to discriminated rather than variant record types.
	(Freeze_Record_Type): Remove code for performing a suspicious
	convention check.
	(Freeze_Entity): Only call Freeze_Record_Type
	on types that aren't declared within any enclosing generic units
	(rather than just excluding the type when the innermost scope
	is generic). Call Check_Suspicious_Convention whether or not
	the type is declared within a generic unit.
	* sem_ch8.adb (In_Generic_Scope): Move this function to Sem_Util.
	* sem_util.ads, sem_util.adb (In_Generic_Scope): New function (moved
	from Sem_Ch8).

2017-01-12  Tristan Gingold  <gingold@adacore.com>

	* sysdep.c, adaint.c, rtinit.c, ming32.h:
	(__gnat_current_codepage): Renamed from CurrentCodePage
	(__gnat_current_ccs_encoding): Renamed from CurrentCCSEncoding

2017-01-12  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Fully_Conformant_Expressions): Handle properly
	quantified expressions, following AI12-050: the loop parameters
	of two quantified expressions are conformant if they have the
	same identifier.

2017-01-12  Arnaud Charlet  <charlet@adacore.com>

	* gcc-interface/Makefile.in: Clean up VxWorks targets.

2017-01-12  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb (Analyze_Attribute_Reference, case Loop_Entry):
	Hnadle properly the attribute reference when it appears as part
	of an expression in another loop aspect.

2017-01-12  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch3.adb (Check_Predicated_Discriminant): New procedure,
	subsidiary of Build_Initialization_Call, to complete generation
	of predicate checks on discriminants whose (sub)types have
	predicates, and to add checks on variants that do not have an
	others clause.
	* sem_util.adb (Gather_Components): A missing Others alternative is
	not an error when the type of the discriminant is a static predicate
	(and coverage has been checked when analyzing the case statement). A
	runtime check is generated to verify that a given discriminant
	satisfies the predicate (RM 3.8.1. (21.1/2)).

2017-01-12  Yannick Moy  <moy@adacore.com>

	* gnat1drv.adb (Adjust_Global_Switches): Only
	perform checking of exception mechanism when generating code.

2017-01-12  Justin Squirek  <squirek@adacore.com>

	* exp_ch7.adb (Add_Type_Invariants, Process_Array_Component):
	Remove handling of access component with invariant.
	(Build_Invariant_Procedure_Declaration): Remove return on class
	wide type.
	* freeze.adb (Freeze_Array_Type, Freeze_Record_Type): Remove
	conditional exception for component or array so Has_Own_Invariants
	flag is not falsly set.
	* sem_ch3.adb (Make_Class_Wide_Type): Initialize copy of class
	wide type to have no invariant flags.

2017-01-12  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch9.adb, sem_prag.adb, s-tassta.adb, sem_util.adb, s-tarest.adb,
	sem_ch13.adb: Minor reformatting.

2017-01-12  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_aggr.adb (Build_Record_Aggr_Code): Guard against a missing
	adjustment primitive when the ancestor type was not properly frozen.
	(Gen_Assign): Guard against a missing initialization
	primitive when the component type was not properly frozen.
	(Initialize_Array_Component): Guard against a missing adjustment
	primitive when the component type was not properly frozen.
	(Initialize_Record_Component): Guard against a missing adjustment
	primitive when the component type was not properly frozen.
	(Process_Transient_Component_Completion): The transient object may
	not be finalized when its associated type was not properly frozen.
	* exp_ch3.adb (Build_Assignment): Guard against a missing
	adjustment primitive when the component type was not properly frozen.
	(Build_Initialization_Call): Guard against a missing
	initialization primitive when the associated type was not properly
	frozen.
	(Expand_N_Object_Declaration): Guard against a missing
	adjustment primitive when the base type was not properly frozen.
	(Predefined_Primitive_Bodies): Create an empty Deep_Adjust
	body when there is no adjustment primitive available. Create an
	empty Deep_Finalize body when there is no finalization primitive
	available.
	* exp_ch4.adb (Apply_Accessibility_Check): Guard against a
	missing finalization primitive when the designated type was
	not properly frozen.
	(Expand_N_Allocator): Guard against a missing initialization primitive
	when the designated type was not properly frozen.
	* exp_ch5.adb (Make_Tag_Ctrl_Assignment): Add the adjustment call
	only when the corresponding adjustment primitive is available.
	* exp_ch7.adb (Build_Adjust_Or_Finalize_Statements): Generate the
	adjustment/finalization statements only when there is an available
	primitive to carry out the action.
	(Build_Initialize_Statements): Generate the initialization/finalization
	statements only when there is an available primitive to carry out the
	action.
	(Make_Adjust_Call): Do not generate a call when the underlying
	type is not present due to a possible missing full view.
	(Make_Final_Call): Do not generate a call when the underlying
	type is not present due to a possible missing full view.
	(Make_Finalize_Address_Stmts): Generate an empty body when the
	designated type lacks a finalization primitive.
	(Make_Init_Call): Do not generate a call when the underlying type is
	not present due to a possible missing full view.
	(Process_Component_For_Adjust): Add the adjustment call only when the
	corresponding adjustment primitive is available.
	(Process_Component_For_Finalize): Add the finalization call only when
	the corresponding finalization primitive is available.
	(Process_Object_Declaration): Use a null statement to emulate a
	missing call to the finalization primitive of the object type.
	* exp_ch7.ads (Make_Adjust_Call): Update the comment on usage.
	(Make_Final_Call): Update the comment on usage.
	(Make_Init_Call): Update the comment on usage.
	* exp_util.adb (Build_Transient_Object_Statements): Code reformatting.

2017-01-12  Arnaud Charlet  <charlet@adacore.com>

	* einfo.ads: Update documentation of Address_Taken.
	* sem_attr.adb (Analyze_Access_Attribute, Resolve_Attribute
	[Access_Attribute]): Only consider 'Access/'Unchecked_Access
	for subprograms when setting Address_Taken flag.

2017-01-12  Patrick Bernardi  <bernardi@adacore.com>

	* sem_ch10.adb (Analyze_With_Clause): Removed code that turned
	Configurable_Run_Time_Mode off when analysing with'ed predefined
	libraries.

2017-01-12  Gary Dismukes  <dismukes@adacore.com>

	* sem_prag.adb: Minor reformatting.
	* sem_util.adb (Unique_Entity): fix result for
	bodies of entry families.

2017-01-12  Justin Squirek  <squirek@adacore.com>

	* sem_prag.adb (Analyze_Pragma): Add appropriate calls to
	Resolve_Suppressible in the pragma Assertion_Policy case.
	(Resolve_Suppressible): Created this function to factor out
	common code used to resolve Suppress to either Ignore or Check
	* snames.ads-tmpl: Add name for Suppressible.

2017-01-12  Gary Dismukes  <dismukes@adacore.com>

	* exp_ch9.adb, s-secsta.adb, snames.ads-tmpl, exp_ch3.adb: Minor
	reformatting.
	* debug.adb: Minor comment fixes.

2017-01-12  Arnaud Charlet  <charlet@adacore.com>

	* sem_util.adb (Unique_Entity): For concurrent
	bodies that are defined with stubs and complete a declaration
	of a single concurrent object return the entity of an implicit
	concurrent type, not the entity of the anonymous concurrent
	object.
	* debug.adb: -gnatd.J is no longer used.
	* make.adb (Globalize): Removed, no longer used.
	* sem_ch9.adb: minor typo in comment for entry index

2017-01-12  Patrick Bernardi  <bernardi@adacore.com>

	* aspect.adb, aspect.ads: Added new aspect Secondary_Stack_Size.
	* exp_ch3.adb (Build_Init_Statements): As part of initialising
	the value record of a task, set its _Secondary_Stack_Size field
	if present.
	* exp_ch9.adb (Expand_N_Task_Type_Declaration): Create
	a _Secondary_Stack_Size field in the value record of
	the task if a Secondary_Stack_Size rep item is present.
	(Make_Task_Create_Call): Include secondary stack size
	parameter. If No_Secondary_Stack restriction is in place, passes
	stack size of 0.
	* par-prag.adb, sem_prag.adb, sem_prag.ads: Added new pragma
	Secondary_Stack_Size.
	* s-secsta.adb, s-secsta.ads (Minimum_Secondary_Stack_Size): New
	function to define the overhead of the secondary stack.
	* s-tarest.adb (Create_Restricted_Task,
	Create_Restricted_Task_Sequential): Functions now include
	Secondary_Stack_Size parameter to pass to Initialize_ATCB.
	* s-tarest.adb (Create_Restricted_Task,
	Create_Restricted_Task_Sequential): Calls to Initialize_ATCB now
	include Secondary_Stack_Size parameter.
	(Task_Wrapper): Secondary stack now allocated to the size specified by
	the Secondary_Stack_Size parameter in the task's ATCB.
	* s-taskin.adb, s-taskin.adb (Common_ATCB, Initialize_ATCB): New
	Secondary_Stack_Size component.
	* s-tassta.adb, s-tassta.ads (Create_Restricted_Task,
	Create_Restricted_Task_Sequential): Function now include
	Secondary_Stack_Size parameter.
	(Task_Wrapper): Secondary stack now allocated to the size
	specified by the Secondary_Stack_Size parameter in the task's
	ATCB.
	* s-tproft.adb (Register_Foreign_Thread): Amended Initialize_ATCB call
	to include Secondary_Stack_Size parameter.
	* sem_ch13.adb (Analyze_Aspect_Specification): Add support for
	Secondary_Stack_Size aspect, turning the aspect into its corresponding
	internal attribute.
	(Analyze_Attribute_Definition): Process Secondary_Stack_Size attribute.
	* snames.adb-tmpl, snames.ads-tmpl: Added names
	Name_Secondary_Stack_Size, Name_uSecondary_Stack_Size,
	Attribute_Secondary_Stack_Size and Pragma_Secondary_Stack_Size.

2017-01-12  Yannick Moy  <moy@adacore.com>

	* exp_spark.adb (Expand_SPARK_Potential_Renaming): Fix sloc of copied
	subtree.

2017-01-12  Justin Squirek  <squirek@adacore.com>

	* exp_attr.adb (Expand_N_Attribute_Reference):
	Fix Finalization_Size case by properly resolving the type after
	rewritting the node.

2017-01-12  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_util.adb (Build_DIC_Procedure_Body): Semi-insert the body into
	the tree.
	(Build_DIC_Procedure_Declaration): Semi-insert the body into the tree.
	* binde.adb, exp_ch5.adb, sem_type.adb, sem.ads, sem_res.adb,
	exp_sel.ads: Minor reformatting.

2017-01-12  Justin Squirek  <squirek@adacore.com>

	* exp_ch6.adb (Expand_Call): Add guard to prevent
	invariant checks from being created for internally generated
	subprograms.

2017-01-12  Bob Duff  <duff@adacore.com>

	* lib-writ.ads: Remove incorrect comment.

2017-01-12  Javier Miranda  <miranda@adacore.com>

	* debug.adb (-gnatd.K): Enable generation of contract-only
	procedures in CodePeer mode.
	* contracts.adb (Build_And_Analyze_Contract_Only_Subprograms):
	New subprogram.
	(Analyze_Contracts): Generate contract-only procedures if -gnatdK is
	set.
	* scil_ll.ads, scil_ll.adb (Get_Contract_Only_Body_Name): New
	subprogram.
	(Get_Contract_Only_Missing_Body_Name): New subprogram.
	(Get_Contract_Only_Body): New subprogram.
	(Set_Contract_Only_Body): New subprogram.
	(Is_Contract_Only_Body): New subprogram.
	(Set_Is_Contract_Only_Body): New subprogram.
	(SCIL_Nodes): Replace table by hash-table.

2017-01-12  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch6.adb: Minor reformatting.
	* spark_xrefs.ads: minor cleanup of comments for SPARK xrefs

2017-01-12  Bob Duff  <duff@adacore.com>

	* binde.adb (Forced): New reason for a dependence.
	(Force_Elab_Order): Implementation of the new switch.
	* binde.ads: Minor comment fixes.
	* bindusg.adb: Add -f switch. Apparently, there was an -f switch
	long ago that is no longer supported; removed comment about that.
	* opt.ads (Force_Elab_Order_File): Name of file specified for
	-f switch.
	* switch-b.adb: Parse -f switch.

2017-01-12  Justin Squirek  <squirek@adacore.com>

	* exp_ch6.adb (Check_View_Conversion): Created this function
	to properly chain calls to check type invariants that may be
	present in a subprogram call after the subprogram.
	(Expand_Call): Add a conditional to identify when a view conversion
	needs to be checked.
	* nlists.adb, nlists.ads (Prepend_New): New routine.
	(Prepend_New_To): New routine.

2017-01-12  Hristian Kirtchev  <kirtchev@adacore.com>

	* sinfo.ads: Minor reformatting.

2017-01-12  Gary Dismukes  <dismukes@adacore.com>

	* exp_util.adb, exp_util.ads, einfo.ads: Minor typo fixes and
	reformatting.

2017-01-12  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch6.adb (Make_Build_In_Place_Call_In_Anonymous_Context): Add new
	variable Definite. Create a local object and pass its 'Access to the
	BIP function when the result type is either definite or it does not
	require any finalization or secondary stack management.

2017-01-12  Bob Duff  <duff@adacore.com>

	* contracts.adb, einfo.adb, errout.adb, exp_attr.adb,
	exp_ch3.adb, exp_ch7.adb, exp_ch9.adb, exp_prag.adb, freeze.adb,
	frontend.adb, ghost.adb, inline.adb, lib-writ.adb, lib-xref.adb,
	par.adb, par-ch10.adb, par-ch2.adb, par-prag.adb, par_sco.adb,
	sem_attr.adb, sem_aux.adb, sem_ch10.adb, sem_ch12.adb,
	sem_ch13.adb, sem_ch6.adb, sem_ch8.adb, sem_ch9.adb, sem_elab.adb,
	sem_prag.adb, sem_res.adb, sem_util.adb, sem_util.ads,
	sem_warn.adb, sinfo.adb, sinfo.ads, sprint.adb (Pragma_Name):
	Change name to Pragma_Name_Unmapped.
	(Pragma_Name_Mapped): Change name to Pragma_Name.
	This is because the "mapped" version should be the usual case.

2017-01-09  Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.ads, einfo.adb: Remove uses of flags Has_Default_Init_Cond,
	Is_Default_Init_Cond_Procedure, and
	Has_Inherited_Default_Init_Cond.  Add uses of flags
	Has_Own_DIC, Is_DIC_Procedure, and Has_Inherited_DIC.
	(Default_Init_Cond_Procedure): Removed.
	(DIC_Procedure): New routine.
	(Has_Default_Init_Cond): Removed.
	(Has_DIC): New routine.
	(Has_Inheritable_Invariants): The attribute applies to the base type.
	(Has_Inherited_Default_Init_Cond): Removed.
	(Has_Inherited_DIC): New routine.
	(Has_Inherited_Invariants): The attribute applies to the base type.
	(Has_Own_DIC): New routine.
	(Has_Own_Invariants): The attribute applies to the base type.
	(Is_Default_Init_Cond_Procedure): Removed.
	(Is_DIC_Procedure): New routine.
	(Set_Default_Init_Cond_Procedure): Removed.
	(Set_DIC_Procedure): New routine.
	(Set_Has_Default_Init_Cond): Removed.
	(Set_Has_Inheritable_Invariants): The attribute applies
	to the base type.
	(Set_Has_Inherited_Default_Init_Cond): Removed.
	(Set_Has_Inherited_DIC): New routine.
	(Set_Has_Inherited_Invariants): The attribute applies to the base type.
	(Set_Has_Own_DIC): New routine.
	(Set_Has_Own_Invariants): The attribute applies to the base type.
	(Set_Is_Default_Init_Cond_Procedure): Removed.
	(Set_Is_DIC_Procedure): New routine.
	(Write_Entity_Flags): Update the output of all flags related to
	default initial condition.
	* exp_ch3.adb (Expand_N_Object_Declaration): Update the generation
	of the call to the DIC procedure.
	(Freeze_Type): Generate the body of the DIC procedure.
	* exp_ch7.adb (Build_Invariant_Procedure_Body): Replace
	all occurrences of Create_Append with Append_New_To. Do
	not generate an invariant procedure for a class-wide type.
	The generated body acts as a freeze action of the working type.
	(Build_Invariant_Procedure_Declaration): Do not generate an
	invariant procedure for a class-wide type.
	(Create_Append): Removed.
	* exp_util.adb: Add with and use clauses for Sem_Ch3, sem_ch6,
	sem_Ch12, Sem_Disp, and GNAT.HTable. Move the handling of
	class-wide pre/postcondition description and data structures from
	Sem_Prag.
	(Build_Class_Wide_Expression): Moved from Sem_Prag.
	(Build_DIC_Call): New routine.
	(Build_DIC_Procedure_Body): New routine.
	(Build_DIC_Procedure_Declaration): New routine.
	(Entity_Hash): Moved from Sem_Prag.
	(Find_DIC_Type): New routine.
	(Update_Primitives_Mapping): Reimplemented.
	(Update_Primitives_Mapping_Of_Types): New routine.
	* exp_util.ads (Build_Class_Wide_Expression): Moved from Sem_Prag.
	(Build_DIC_Call): New routine.
	(Build_DIC_Procedure_Body): New routine.
	(Build_DIC_Procedure_Declaration): New routine.
	(Update_Primitives_Mapping): Moved from Sem_Prag.
	(Update_Primitives_Mapping_Of_Types): New routine.
	* nlists.adb (Append_New): New routine.
	(Append_New_To): New routine.
	* nlists.ads (Append_New): New routine.
	(Append_New_To): New routine.
	* sem_ch3.adb (Analyze_Declarations): Do not generate the bodies
	of DIC procedures here. This is now done at the end of the
	visible declarations, private declarations, and at the freeze
	point of a type.
	(Analyze_Private_Extension_Declaration):
	A private extension inherits the DIC pragma of a parent type.
	(Analyze_Subtype_Declaration): No need to propagate invariant
	attributes to a subtype as those apply to the base type.
	(Build_Derived_Record_Type): No need to inherit invariants here
	as this is now done in Build_Derived_Type.
	(Build_Derived_Type): Inherit both the DIC pragma and invariants from
	a parent type.
	(Process_Full_View): Update the propagation of DIC attributes.
	(Propagate_Default_Init_Cond_Attributes): Removed.
	* sem_ch7.adb Add with and use clauses for Exp_Util.
	(Analyze_Package_Specification): Create the body of the DIC
	procedure at the end of the visible and private declarations.
	(Preserve_Full_Attributes): Propagate DIC attributes.
	* sem_ch9.adb (Analyze_Protected_Type_Declaration): Propagate
	DIC attributes.
	(Analyze_Task_Type_Declaration): Propagate DIC attributes.
	* sem_elab.adb (Check_A_Call): Update the call to
	Is_Nontrivial_Default_Init_Cond_Procedure.
	* sem_prag.adb Remove the with and use clauses for
	GNAT.HTable. Move the handling of class- wide pre/postcondition
	description and data structures to Exp_Util.
	(Analyze_Pragma): Create the declaration of the DIC procedure. There
	is no need to propagate invariant-related attributes at this point
	as this is done in Build_Invariant_Procedure_Declaration.
	(Build_Class_Wide_Expression): Moved to Exp_Util.
	(Entity_Hash): Moved to Exp_Util.
	(Update_Primitives_Mapping): Moved to Exp_Util.
	* sem_prag.ads (Build_Class_Wide_Expression): Moved to Exp_Util.
	(Update_Primitives_Mapping): Moved to Exp_Util.
	* sem_util.adb: Remove with and use clauses for Ghost
	and Sem_Ch13.
	(Build_Default_Init_Cond_Call): Removed.
	(Build_Default_Init_Cond_Procedure_Bodies): Removed.
	(Build_Default_Init_Cond_Procedure_Declaration): Removed.
	(Get_Views): Reimplemented.
	(Has_Full_Default_Initialization): Reimplement the section on DIC.
	(Inherit_Default_Init_Cond_Procedure): Removed.
	(Is_Nontrivial_Default_Init_Cond_Procedure): Removed.
	(Is_Nontrivial_DIC_Procedure): New routine.
	(Is_Verifiable_DIC_Pragma): New routine.
	(Propagate_DIC_Attributes): New routine.
	* sem_util.ads (Build_Default_Init_Cond_Call): Removed.
	(Build_Default_Init_Cond_Procedure_Bodies): Removed.
	(Build_Default_Init_Cond_Procedure_Declaration): Removed.
	(Inherit_Default_Init_Cond_Procedure): Removed.
	(Is_Nontrivial_Default_Init_Cond_Procedure): Removed.
	(Is_Nontrivial_DIC_Procedure): New routine.
	(Is_Verifiable_DIC_Pragma): New routine.
	(Propagate_DIC_Attributes): New routine.
	* sem_warn.adb (Is_OK_Fully_Initialized): Reimplement the section
	on DIC.
	* sinfo.ads, sinfo.adb: Add new attribute Expression_Copy along with
	usage in nodes.
	(Expression_Copy): New routine along with pragma Inline.
	(Set_Expression_Copy): New routine along with pragma Inline.

2017-01-06  Bob Duff  <duff@adacore.com>

	* bindgen.adb (Gen_Adainit, Gen_Adafinal): Change
	"Bind_Main_Program" to "not Bind_For_Library", because otherwise
	we won't generate the call to s_stalib_adafinal when the main
	is not written in Ada.

2017-01-06  Bob Duff  <duff@adacore.com>

	* sem_prag.adb: Minor: remove pragma Warnings.

2017-01-06  Tristan Gingold  <gingold@adacore.com>

	* Makefile.rtl: Do not compile s-stchop by default.

2017-01-06  Patrick Bernardi  <bernardi@adacore.com>

	* aspects.adb, aspects.ads, exp_ch3.adb, exp_ch9.adb, par-prag.adb,
	sem_ch13.adb, sem_prag.adb, sem_prag.ads, snames.adb-tmpl,
	snames.ads-tmpl, s-secsta.adb, s-secsta.ads, s-tarest.adb,
	s-tarest.ads, s-taskin.adb, s-taskin.ads, s-tassta.adb, s-tassta.ads:
	Reverted previous change for now.

2017-01-06  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch3.adb (Build_Initialization_Call): Apply predicate
	check to default discriminant value if checks are enabled.
	(Build_Assignment): If type of component has static predicate,
	apply check to its default value, if any.

2017-01-06  Patrick Bernardi  <bernardi@adacore.com>

	* aspect.adb, aspect.ads: Added new aspect Secondary_Stack_Size.
	* exp_ch3.adb (Build_Init_Statements): As part of initialising
	the value record of a task, set its _Secondary_Stack_Size field
	if present.
	* exp_ch9.adb (Expand_N_Task_Type_Declaration): Create
	a _Secondary_Stack_Size field in the value record of
	the task if a Secondary_Stack_Size rep item is present.
	(Make_Task_Create_Call): Include secondary stack size
	parameter. If No_Secondary_Stack restriction is in place, passes
	stack size of 0.
	* par-prag.adb, sem_prag.adb, sem_prag.ads: Added new pragma
	Secondary_Stack_Size.
	* s-secsta.adb, s-secsta.ads (Minimum_Secondary_Stack_Size): New
	function to define the overhead of the secondary stack.
	* s-tarest.adb (Create_Restricted_Task,
	Create_Restricted_Task_Sequential): Functions now include
	Secondary_Stack_Size parameter to pass to Initialize_ATCB.
	* s-tarest.adb (Create_Restricted_Task,
	Create_Restricted_Task_Sequential): Calls to Initialize_ATCB
	now include Secondary_Stack_Size parameter.
	(Task_Wrapper):
	Secondary stack now allocated to the size specified by the
	Secondary_Stack_Size parameter in the task's ATCB.
	* s-taskin.adb, s-taskin.adb (Common_ATCB, Initialise_ATCB): New
	Secondary_Stack_Size component.
	* s-tassta.adb, s-tassta.ads (Create_Restricted_Task,
	Create_Restricted_Task_Sequential): Function now include
	Secondary_Stack_Size parameter.
	(Task_Wrapper): Secondary stack
	now allocated to the size specified by the Secondary_Stack_Size
	parameter in the task's ATCB.
	* sem_ch13.adb (Analyze_Aspect_Specification): Add support
	for Secondary_Stack_Size aspect, turning the aspect into its
	corresponding internal attribute.
	(Analyze_Attribute_Definition):
	Process Secondary_Stack_Size attribute.
	* snames.adb-tmpl, snames.ads-tmpl: Added names
	Name_Secondary_Stack_Size, Name_uSecondary_Stack_Size,
	Attribute_Secondary_Stack_Size and Pragma_Secondary_Stack_Size.

2017-01-06  Pascal Obry  <obry@adacore.com>

	* a-direio.adb, a-direio.ads, a-sequio.adb, a-sequio.ads: Add Flush to
	Sequential_IO and Direct_IO.

2017-01-06  Bob Duff  <duff@adacore.com>

	* snames.ads-tmpl (Renamed): New name for the pragma argument.
	* par-ch2.adb: Allow the new pragma (with analysis deferred
	to Sem_Prag).
	* sinfo.ads, sinfo.adb (Map_Pragma_Name, Pragma_Name_Mapped):
	Keep a mapping from new pragma names to old names.
	* sem_prag.adb: Check legality of pragma Rename_Pragma, and
	implement it by calling Map_Pragma_Name.
	* checks.adb, contracts.adb, einfo.adb, errout.adb,
	* exp_attr.adb, exp_ch3.adb, exp_ch6.adb, exp_ch7.adb, exp_ch9.adb,
	* exp_prag.adb, exp_util.adb, freeze.adb, frontend.adb, ghost.adb,
	* inline.adb, lib-writ.adb, scans.adb, scans.ads, sem_attr.adb,
	* sem_aux.adb, sem_ch10.adb, sem_ch13.adb, sem_ch6.adb, sem_ch9.adb,
	* sem_elab.adb, sem_res.adb, sem_util.adb, sem_util.ads,
	* sem_warn.adb: Call Pragma_Name_Mapped instead of Pragma_Name
	as appropriate.

2017-01-06  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch9.adb: Minor reformatting.

2017-01-06  Tristan Gingold  <gingold@adacore.com>

	* exp_ch9.ads, exp_ch9.adb (Build_Entry_Names): Remove (unused).
	* rtsfind.ads (RE_Task_Entry_Names_Array, RO_ST_Set_Entry_Names)
	(RE_Protected_Entry_Names_Array, RO_PE_Set_Entry_Names): Remove
	(unused).
	* s-taskin.ads, s-taskin.adb (Set_Entry_Names,
	Task_Entry_Names_Array, Task_Entry_Names_Access): Remove.
	* s-tpoben.ads, s-tpoben.adb (Set_Entry_Names,
	Protected_Entry_Names_Array, Protected_Entry_Names_Access): Remove.

2017-01-06  Bob Duff  <duff@adacore.com>

	* sinfo.ads, sinfo.adb (Map_Pragma_Name): Preparation work,
	dummy implementation of Map_Pragma_Name.

2017-01-06  Tristan Gingold  <gingold@adacore.com>

	* exp_ch9.adb (Expand_N_Protected_Type_Declaration): Make the
	entry_body variable constant.
	* s-taprob.ads (Entry_Body_Access): Move to s-tposen.
	* s-tpoben.ads (Protected_Entry_Body_Access): Now access
	to constant.
	* s-tposen.ads (Entry_Body_Access): Moved from s-taprob,
	now access to constant.

2017-01-06  Gary Dismukes  <dismukes@adacore.com>

	* einfo.ads, sem_res.adb, sem_attr.adb, sem_ch6.adb: Minor
	reformatting and typo fixes.

2017-01-06  Bob Duff  <duff@adacore.com>

	* snames.ads-tmpl: New names for pragma renaming.
	* snames.adb-tmpl (Is_Configuration_Pragma_Name): Minor cleanup.
	* par-prag.adb: Add new pragma name to case statement.
	* sem_prag.adb (Rename_Pragma): Initial cut at semantic analysis
	of the pragma.
	* sinfo.ads, sinfo.adb (Pragma_Name_Mapped): Preparation work,
	Dummy implementation of Pragma_Name_Mapped.

2017-01-06  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch6.adb (Expand_Protected_Subprogram_Call): Add guard to
	better detect call within an entry_wrapper.
	* sem_res.adb (Resolve_Call): A protected call within an
	entity_wrapper is analyzed in the context of the protected
	object but corresponds to a pre-analysis and is not an access
	before elaboration.
	* sem_attr.adb: Minor reformatting.

2017-01-06  Justin Squirek  <squirek@adacore.com>

	* sem_attr.adb (Analyze_Attribute): Modify semantic checks for
	Finalization_Size to allow a prefix of any non-class-wide type.
	* sem_attr.ads Modify comment for Finalization_Size to include
	definite type use case.

2017-01-06  Ed Schonberg  <schonberg@adacore.com>

	* einfo.ads, einfo.adb (Is_Entry_Wrapper): New flag, defined
	on procedures that are wrappers created for entries that have
	preconditions.
	* sem_ch6.adb (Analyze_Subrogram_Body_Helper): If the subprogram
	body is an entry_wrapper, compile it in the context of the
	synchronized type, because a precondition may refer to funtions
	of the type.
	* exp_ch9.adb (Build_Contract_Wrapper): Set Is_Entry_Wrapper on
	body entity.
	* exp_ch6.adb (Expand_Protected_Subprogram_Call): if the call is
	within an Entry_Wrapper this is an external call whose target
	is the synchronized object that is the actual in the call to
	the wrapper.

2017-01-06  Yannick Moy  <moy@adacore.com>

	* sem_attr.adb (Analyze_Attribute/Attribute_Loop_Entry): Analyze node
	in tree, which means not analyzing the previous prefix if the node has
	been rewritten into its prefix.

2017-01-06  Gary Dismukes  <dismukes@adacore.com>

	* s-tpobop.adb: Minor reformatting.

2017-01-06  Ed Schonberg  <schonberg@adacore.com>

	* checks.adb (Ensure_Valid): Do not generate a validity check
	within a generated predicate function, validity checks will have
	been applied earlier when required.

2017-01-06  Tristan Gingold  <gingold@adacore.com>

	* s-tpoben.ads (Protection_Entries): Add comment and reorder
	components for performances.
	* s-tpobop.adb (PO_Do_Or_Queue): Implement Max_Queue_Length runtime
	semantic.

2017-01-06  Ed Schonberg  <schonberg@adacore.com>

	* sem_eval.adb (Check_Expression_Against_Static_Predicate):
	If expression is compile-time known and obeys a static predicate
	it must be labelled as static, to prevent spurious warnings and
	run-time errors, e.g. in case statements. This is relevant when
	the expression is the result of constant-folding a type conversion
	whose expression is a variable with a known static value.

2017-01-06  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_attr.adb, sem_attr.ads: Minor reformatting.

2017-01-06  Justin Squirek  <squirek@adacore.com>

	* exp_attr.adb (Expand_N_Attribute_Reference): Add entry for
	expansion of Finalization_Size attribute.
	* sem_attr.adb (Analyze_Attribute): Add entry to check the
	semantics of Finalization_Size.
	(Eval_Attribute): Add null entry for Finalization_Size.
	* sem_attr.ads: Add Finalization_Size to the implementation
	dependent attribute list.
	* snames.ads-tmpl: Add name entry for Finalization_Size attribute.

2017-01-06  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch5.adb (Analyze_Loop_Statement): If the loop includes an
	iterator specification with a serious syntactic error, transform
	construct into an infinite loop in order to continue analysis
	and prevent a compiler abort.

2017-01-06  Tristan Gingold  <gingold@adacore.com>

	* exp_ch9.adb (Expand_N_Protected_Type_Declaration): Do not generate
	max_queue_lengths_array if unused.

2017-01-06  Bob Duff  <duff@adacore.com>

	* errout.adb (Set_Msg_Text): Protect against out-of-bounds
	array access, in case "\" is at the end of Text.
	* stylesw.adb (Set_Style_Check_Options): Don't include input
	characters in the error message template, because they could
	be control characters such as "\", which Errout will try to
	interpret.

2017-01-06  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch4.adb (Find_Indexing_Operations, Inspect_Declarations):
	For a private type examine the visible declarations that follow
	the partial view, not just the private declarations that follow
	the full view.

2017-01-06  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_ch5.adb, sem_ch3.adb, checks.adb: Minor reformatting and
	code cleanup.

2017-01-06  Ed Schonberg  <schonberg@adacore.com>

	* exp_ch5.adb (Get_Default_Iterator): For a derived type, the
	alias of the inherited op is the parent iterator, no need to
	examine dispatch table positions which might not be established
	yet if type is not frozen.
	* sem_disp.adb (Check_Controlling_Formals): The formal of a
	predicate function may be a subtype of a tagged type.
	* sem_ch3.adb (Complete_Private_Subtype): Adjust inheritance
	of representation items for the completion of a type extension
	where a predicate applies to the partial view.
	* checks.ads, checks.adb (Apply_Predicate_Check): Add optional
	parameter that designates function whose actual receives a
	predicate check, to improve warning message when the check will
	lead to infinite recursion.
	* sem_res.adb (Resolve_Actuals): Pass additional parameter to
	Apply_Predicate_Check.

2017-01-06  Tristan Gingold  <gingold@adacore.com>

	* s-rident.ads (Profile_Info): Remove No_Entry_Queue from
	Gnat_Extended_Ravenscar.
	* exp_ch9.adb, s-tpoben.adb, s-tpoben.ads: Fix spelling.

2017-01-06  Gary Dismukes  <dismukes@adacore.com>

	* sem_util.ads: Minor typo fix and reformatting.

2017-01-06  Yannick Moy  <moy@adacore.com>

	* ghost.adb Minor fixing of references to SPARK RM.
	(Check_Ghost_Context): Check whether reference is to a lvalue
	before issuing an error about violation of SPARK RM 6.9(13)
	when declaration has Ghost policy Check and reference has Ghost
	policy Ignore.
	* sem_util.adb Minor indentation.
	* sem_ch10.adb (Analyze_Package_Body_Stub, Analyze_Protected_Body_Stub,
	Analyze_Task_Body_Stub): Set Ekind of the defining identifier.
	* sem_util.ads (Unique_Defining_Entity): Document the result
	for package body stubs.

2017-01-06  Tristan Gingold  <gingold@adacore.com>

	* raise-gcc.c (abort): Macro to call Abort_Propagation.
	* s-tpoben.ads (Protected_Entry_Queue_Max_Access): Make it access
	constant.
	* exp_ch9.adb (Expand_N_Protected_Type_Declaration):
	Do not generate the Entry_Max_Queue_Lengths_Array if all default
	values.
	* exp_util.adb (Corresponding_Runtime_Package): Consider
	Max_Queue_Length pragma.

2017-01-06  Justin Squirek  <squirek@adacore.com>

	* exp_ch9.adb (Expand_N_Protected_Type_Declaration):
	Remove declaration generation in the case of
	System_Tasking_Protected_Objects_Single_Entry being used,
	and add a warning message when this is detected to occur.
	(Make_Initialize_Protection): Remove reference pass in the case
	of System_Tasking_Protected_Objects_Single_Entry.
	* rtsfind.ads: Remove RE_Protected_Entry_Queue_Max
	* s-tposen.adb (Initialize_Protection_Entry): Remove
	Entry_Queue_Max parameter.
	* s-tposen.ads: Remove the types use to store the entry queue
	maximum.
	* sem_prag.adb (Analyze_Pragma): Remove entry families restriction

2017-01-06  Yannick Moy  <moy@adacore.com>

	* sem_util.adb, sem_util.ads (Get_Enum_Lit_From_Pos): Strengthen
	behavior of function, to also accept out of range positions
	and raise Constraint_Error in such case, and to copy sloc from
	literal if No_Location passed as location.
	* uintp.adb, uintp.ads (UI_To_Int, UI_To_CC): Strengthen behavior
	of functions to raise Constraint_Error in case of value not in
	appropriate range.

2017-01-06  Tristan Gingold  <gingold@adacore.com>

	* sem_util.adb, s-taprop-linux.adb (Finalize_TCB): Remove call to
	Invalidate_Stack_Cache.

2017-01-06  Eric Botcazou  <ebotcazou@adacore.com>

	* s-os_lib.adb: Minor fix to the signature of Readlink.

2017-01-06  Javier Miranda  <miranda@adacore.com>

	* sem_ch6.adb (Conforming_Types): Handle another
	confusion between views in a nested instance with an actual
	private type whose full view is not in scope.

2017-01-06  Arnaud Charlet  <charlet@adacore.com>

	* exp_ch5.adb (Expand_N_If_Statement): Obey existing comment and
	mark a rewritten if statement as explicit (Comes_From_Source).

2017-01-06  Gary Dismukes  <dismukes@adacore.com>

	* sem_prag.adb, rtsfind.adb, sem_util.adb: Minor typo fixes.

2017-01-06  Tristan Gingold  <gingold@adacore.com>

	* ada.ads, a-unccon.ads: Add pragma No_Elaboration_Code_All.

2017-01-06  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_case.adb: Minor reformatting.

2017-01-06  Thomas Quinot  <quinot@adacore.com>

	* g-socthi-mingw.adb: Remove now extraneous USE TYPE clause

2017-01-06  Justin Squirek  <squirek@adacore.com>

	* aspects.adb: Register aspect in Canonical_Aspect.
	* aspects.ads: Associate qualities of Aspect_Max_Queue_Length
	into respective tables.
	* einfo.ads, einfo.adb: Add a new attribute for
	handling the parameters for Pragma_Max_Entry_Queue
	(Entry_Max_Queue_Lengths_Array) in E_Protected_Type. Subprograms
	for accessing and setting were added as well.
	* par-prag.adb (Prag): Register Pramga_Max_Entry_Queue.
	* exp_ch9.adb (Expand_N_Protected_Type_Declaration): Emit
	declaration for pramga arguments and store them in the protected
	type node.
	(Make_Initialize_Protection): Pass a reference to
	the Entry_Max_Queue_Lengths_Array in the protected type node to
	the runtime.
	* rtsfind.adb: Minor grammar fix.
	* rtsfind.ads: Register new types taken from the
	runtime libraries RE_Protected_Entry_Queue_Max and
	RE_Protected_Entry_Queue_Max_Array
	* s-tposen.adb, s-tpoben.adb
	(Initialize_Protection_Entry/Initialize_Protection_Entries):
	Add extra parameter and add assignment to local object.
	* s-tposen.ads, s-tpoben.ads: Add new types to
	store entry queue maximums and a field to the entry object record.
	* sem_ch13.adb (Analyze_Aspect_Specifications): Add case statement
	for Aspect_Max_Queue_Length.
	(Check_Aspect_At_Freeze_Point):
	Add aspect to list of aspects that don't require delayed analysis.
	* sem_prag.adb (Analyze_Pragma): Add case statement for
	Pragma_Max_Queue_Length, check semantics, and register arugments
	in the respective entry nodes.
	* sem_util.adb, sem_util.ads Add functions Get_Max_Queue_Length
	and Has_Max_Queue_Length
	* snames.ads-tmpl: Add constant for the new aspect-name
	Name_Max_Queue_Length and corrasponding pragma.

2017-01-06  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_util.adb (Is_Controlled_Function_Call):
	Reimplemented. Consider any node which has an entity as the
	function call may appear in various ways.

2017-01-06  Hristian Kirtchev  <kirtchev@adacore.com>

	* exp_attr.adb (Rewrite_Stream_Proc_Call): Use
	an unchecked type conversion when performing a view conversion
	to/from a private type. In all other cases use a regular type
	conversion to ensure that any relevant checks are properly
	installed.

2017-01-06  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb, sem_ch8.adb: Minor reformatting.

2017-01-06  Ed Schonberg  <schonberg@adacore.com>

	* sem_case.adb (Explain_Non_Static_Bound): Suppress cascaded
	error on case expression that is an entity, when coverage is
	incomplete and entity has a static value obtained by local
	propagation.
	(Handle_Static_Predicate): New procedure, subsidiary of
	Check_Choices, to handle case alternatives that are either
	subtype names or subtype indications involving subtypes that
	have static predicates.

2017-01-06  Thomas Quinot  <quinot@adacore.com>

	* s-oscons-tmplt.c, g-socket.adb, g-socket.ads, g-sothco.ads:
	(GNAT.Socket): Add support for Busy_Polling and Generic_Option

2017-01-06  Bob Duff  <duff@adacore.com>

	* sem_elab.adb (Activate_Elaborate_All_Desirable): Don't add
	Elaborate_All(P) to P itself. That could happen in obscure cases,
	and always introduced a cycle (P body must be elaborated before
	P body).
	* lib-writ.ads: Comment clarification.
	* ali-util.ads: Minor comment fix.
	* ali.adb: Minor reformatting.

2017-01-06  Tristan Gingold  <gingold@adacore.com>

	* a-exexpr-gcc.adb: Improve comment.

2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>

	* s-linux-mips.ads: Use correct signal and errno constants.
	(sa_handler_pos, sa_mask_pos): Fix offsets for 64-bit MIPS.

2017-01-03  James Cowgill  <James.Cowgill@imgtec.com>

	* s-linux-mips.ads: Rename from s-linux-mipsel.ads.
	* gcc-interface/Makefile.in (MIPS/Linux): Merge mips and mipsel
	sections.

2017-01-01  Eric Botcazou  <ebotcazou@adacore.com>

	* gnatvsn.ads: Bump copyright year.

2017-01-01  Jakub Jelinek  <jakub@redhat.com>

	* gnat_ugn.texi: Bump @copying's copyright year.
	* gnat_rm.texi: Likewise.

Copyright (C) 2017 Free Software Foundation, Inc.

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