Merge remote-tracking branch 'gnu/master' into 4.10.0
2014-06-13  Robert Dewar  <dewar@adacore.com>

	* back_end.adb (Make_Id): New function.
	(Make_SC): New function.
	(Set_RND): New procedure.
	* back_end.ads (Make_Id): New function.
	(Make_SC): New function.
	(Set_RND): New procedure.
	* einfo.ads: Minor comment updates.
	* frontend.adb: Move Atree.Initialize call to Gnat1drv.
	* gnat1drv.adb (Gnat1drv): New calling sequence for
	Get_Target_Parameters.
	(Gnat1drv): Move Atree.Initialize here from Frontend.
	* targparm.adb (Get_Target_Parameters): New calling
	sequence (Get_Target_Parameters): Handle pragma Restriction
	(No_Dependence,..)
	* targparm.ads (Get_Target_Parameters): New calling sequence.

2014-06-13  Gary Dismukes  <dismukes@adacore.com>

	* sem_prag.adb (Process_Import_Or_Interface): Exit the homonym
	loop if the pragma does not come from source, so that an implicit
	pragma Import only applies to the first declaration, avoiding
	possible conflicts with earlier explicit and implicit declarations
	due to multiple Provide_Shift_Operators pragmas.
	(Set_Imported): Remove previous fix that bypassed pragma duplication
	error.
	* gnat_rm.texi: Change 'equivalent' to 'similar' in description
	of Provide_Shift_Operators.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211610 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Yannick Moy  <moy@adacore.com>

	* sem_warn.adb (Check_Unset_References): Take
	case of Refined_Post into account in Within_Postcondition check.

2014-06-13  Hristian Kirtchev  <kirtchev@adacore.com>

	* freeze.adb (Freeze_Record_Type): Volatile types are not allowed in
	SPARK.

2014-06-13  Yannick Moy  <moy@adacore.com>

	* sem_ch13.adb (Analyze_Aspect_Specifications/Aspect_Import,
	Aspect_Export): Consider that variables may be set outside the program.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211611 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Robert Dewar  <dewar@adacore.com>

	* back_end.ads, back_end.adb: Make_Id, Make_SC, Set_RND are moved to
	Tbuild.
	* tbuild.ads, tbuild.adb: Make_Id, Make_SC, Set_RND are moved here from
	Back_End.
	* gnat1drv.adb: Make_Id, Make_SC, Set_RND are moved to Tbuild
	* sem_warn.adb: Minor reformatting.

2014-06-13  Doug Rupp  <rupp@adacore.com>

	* adaint.c (__gnat_open_new_temp) [VMS]: Open binary
	files with rfm=udf.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211612 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Hristian Kirtchev  <kirtchev@adacore.com>

	* freeze.adb (Freeze_Record_Type): Remove checks related to SPARK
	volatile types.
	(Freeze_Type): Volatile types are now illegal in SPARK.

2014-06-13  Robert Dewar  <dewar@adacore.com>

	* aspects.ads, aspects.adb: Add aspect Thread_Local_Storage.
	* gnat_rm.texi: Document aspect Thread_Local_Storage.

2014-06-13  Ed Schonberg  <schonberg@adacore.com>

	* sem_cat.adb (Validate_Static_Object_Name): A constant whose
	value is a temporary that renames an aggregate is legal in a
	preelaborated unit. Illegalities, if any will be detected in
	the aggregate components.

2014-06-13  Ed Schonberg  <schonberg@adacore.com>

	* einfo.ads: Minor reformatting an comment expansion.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211613 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Robert Dewar  <dewar@adacore.com>

	* sem_cat.adb: Minor reformatting.

2014-06-13  Yannick Moy  <moy@adacore.com>

	* sem_prag.adb (Analyze_Pragma/Post_Class): Fix typo.

2014-06-13  Arnaud Charlet  <charlet@adacore.com>

	* gnat_rm.texi: Add detail on SPARK_05 restriction.

2014-06-13  Bob Duff  <duff@adacore.com>

	* s-solita.adb (Get_Sec_Stack_Addr, Init_Tasking_Soft_Links):
	Add assertions requiring the secondary stack to be initialized.
	* s-solita.ads (Init_Tasking_Soft_Links): Comment.
	* s-taprob.adb, s-tarest.adb, s-tasini.adb (elab code): Make sure the
	secondary stack is initialized before calling Init_Tasking_Soft_Links,
	by adding pragmas Elaborate_Body.

2014-06-13  Thomas Quinot  <quinot@adacore.com>

	* sem_ch13.adb (Analyze_Stream_TSS_Definition): Remove temporary
	kludge disabling new legality check.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211614 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Hristian Kirtchev  <kirtchev@adacore.com>

	* freeze.adb (Freeze_Entity): Remove the check concerning volatile
	types in SPARK as it is poorly placed and poorly formulated. The
	check was flagging ALL volatile entities as illegal in SPARK.
	* sem_prag.adb (Process_Atomic_Shared_Volatile): Flag volatile
	types as illegal in SPARK.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211615 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Geert Bosch  <bosch@adacore.com>

	* gnat_rm.texi, s-tasinf-solaris.ads, sem_prag.adb, gnat_ugn.texi,
	s-tasinf-mingw.ads, s-tasinf.ads, s-tasinf-linux.ads,
	s-tasinf-vxworks.ads: Make Task_Info pragma and package obsolescent.

2014-06-13  Robert Dewar  <dewar@adacore.com>

	* s-tasini.adb, s-tarest.adb, s-taprob.adb: Minor reformatting.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211616 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Robert Dewar  <dewar@adacore.com>

	* lib.ads, lib.adb, lib-writ.adb, lib-load.adb (Is_Compiler_Unit):
	Removed.
	* opt.ads (Compiler_Unit): New flag.
	* par-ch5.adb (Test_Statement_Required): Call Check_Compiler_Unit
	for null statement sequence (not allowed in compiler unit).
	* par-prag.adb (Prag): Handle Compiler_Unit[_Warning] during
	parsing.
	* restrict.ads, restrict.adb (Check_Compiler_Unit): New version and new
	calling sequence.
	* sem_ch11.adb, sem_ch3.adb, sem_ch4.adb: New calling sequence for
	Check_Compiler_Unit.
	* sem_ch6.adb (Analyze_Extended_Return_Statement): Call
	Check_Compiler_Unit (this construct is not allowed in compiler
	units).
	* sem_prag.adb (Analyze_Pragma, case Compiler_Unit[_Warning]):
	Set Opt.Compiler_Unit.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211617 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Robert Dewar  <dewar@adacore.com>

	* layout.adb (Layout_Type): Anonymous access types designating
	unconstrained arrays are always thin pointers.
	* sem_ch3.adb (Replace_Type): Anonymous access types designating
	unconstrained arrays are always thin pointers.

2014-06-13  Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb (Analyze_Attribute): Use Check_Parameterless_Call
	to resolve the prefix of an attribute that is an entity name
	and may be a parameterless call.  Minor code reorganization.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211618 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Robert Dewar  <dewar@adacore.com>

	* debug.adb: Document debug flag -gnatd.1.
	* layout.adb (Layout_Type): Size change for anonymous access
	types under -gnatd.1.
	* sem_ch3.adb (Replace_Type): Size change for anonymous access
	types under -gnatd.1.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211619 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Ben Brosgol  <brosgol@adacore.com>

	* gnat_rm.texi: Minor fixes.
	* gnat_ugn.texi: Added a missing "@itemize".

2014-06-13  Robert Dewar  <dewar@adacore.com>

	* debug.adb: Remove -gnatd.1 flag documentation.
	* layout.adb (Layout_Type): Remove special handling of size
	for anonymous access type.
	* sem_ch3.adb (Replace_Type): Remove special handling of size
	for anonymous access type.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211620 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Emmanuel Briot  <briot@adacore.com>

	* g-comlin.adb (Get_Argument): fix expansion
	of command line arguments (e.g. "*.adb") when using a custom
	parser. The parser was not passed to the recursive call, and
	thus we were trying to do the expansion on the default command
	line parser.

2014-06-13  Thomas Quinot  <quinot@adacore.com>

	* exp_ch9.adb: Minor reformatting.

2014-06-13  Ed Schonberg  <schonberg@adacore.com>

	* exp_attr.adb (Expand_N_Attribute_Reference, case 'Old):
	To determine whether the attribute should be expanded, examine
	whether the enclosing postcondition pragma is to be checked,
	rather than using the internal flag Assertions_Enabled.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211621 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Robert Dewar  <dewar@adacore.com>

	* exp_attr.adb, exp_ch9.adb, lib-writ.adb, g-comlin.adb: Minor
	reformatting.
	* sem_attr.adb: Minor code reformatting and simplification.
	* checks.adb: Fix minor typo.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211622 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Eric Botcazou  <ebotcazou@adacore.com>

	* checks.adb (Apply_Address_Clause_Check): Only issue the new
	warning if the propagation warning is issued.

2014-06-13  Thomas Quinot  <quinot@adacore.com>

	* exp_ch4.adb: Minor reformatting.

2014-06-13  Robert Dewar  <dewar@adacore.com>

	* exp_attr.adb (Expand_N_Attribute_Reference, case Pred):
	Handle float range check case (Expand_N_Attribute_Reference,
	case Succ): Handle float range check case.
	* sem_attr.adb (Analyze_Attribute, case Pred/Succ): Handle float
	range check case.

2014-06-13  Vincent Celier  <celier@adacore.com>

	* makeutl.ads (Compute_Builder_Switches): Change name of
	parameter Root_Environment to Env.
	* prj-conf.adb (Check_Switches): Call Locate_Runtime with the
	Env parameter of procedure Get_Or_Create_Configuration_File.
	(Locate_Runtime): Call Find_Rts_In_Path with the Project_Path
	of new parameter Env.
	* prj-conf.ads (Locate_Runtime): New parameter Env of type
	Prj.Tree.Environment.

2014-06-13  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Minor comment clarification for Check_Float_Overflow.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211623 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Robert Dewar  <dewar@adacore.com>

	* exp_attr.adb (Expand_N_Attribute_Reference, case Pred/Succ): Change
	reason to Overflow.

2014-06-13  Robert Dewar  <dewar@adacore.com>

	* makeutl.adb: Minor reformatting.

2014-06-13  Gail Schenker  <schenker@adacore.com>

	* debug.adb, sem_eval.adb (Why_Not_Static): Remove temporary code and
	associated flag (d.z), no longer needed.

2014-06-13  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch13.adb (Analyze_Aspect_Specifications): For Import and
	Export aspects, do not check whether a corresponding Convention
	aspect has been specified. Convention is optional in Ada2012,
	and defaults to Convention_Ada.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211624 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Richard Biener  <rguenther@suse.de>

	* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
	Rewrite to propagate the VN result into all uses where
	possible and to remove stmts becoming dead because of that.
	(eliminate): Generalize stmt removal handling, remove in
	reverse dominator order to support proper debug stmt
	generation.  Update stmts before removing stmts.
	* tree-ssa-propagate.c (propagate_tree_value): Remove
	bogus assert.

	* c-c++-common/pr46562-2.c: Adjust.
	* g++.dg/tree-ssa/pr8781.C: Likewise.
	* gcc.dg/tree-ssa/ssa-fre-24.c: Likewise.
	* gcc.dg/tree-ssa/ssa-fre-25.c: Likewise.
	* gcc.dg/tree-ssa/ssa-fre-32.c: Likewise.
	* gcc.dg/tree-ssa/ssa-fre-39.c: Likewise.
	* gcc.dg/tree-ssa/ssa-pre-16.c: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211625 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Hristian Kirtchev  <kirtchev@adacore.com>

	* errout.adb (SPARK_Msg_N): New routine.
	(SPARK_Msg_NE): New routine.
	* errout.ads Add a section on SPARK-related error routines.
	(SPARK_Msg_N): New routine.
	(SPARK_Msg_NE): New routine.
	* sem_ch13.adb (Analyze_Aspect_Specifications): Ensure that
	pragma Abstract_State is always inserted after SPARK_Mode.
	(Insert_After_SPARK_Mode): New routine.
	* sem_prag.adb (Analyze_Abstract_State,
	Analyze_Constituent, Analyze_External_Property,
	Analyze_External_Property_In_Decl_Part, Analyze_Global_Item,
	Analyze_Global_List, Analyze_Initialization_Item,
	Analyze_Initialization_Item_With_Inputs, Analyze_Input_Item,
	Analyze_Input_List, Analyze_Input_Output, Analyze_Part_Of,
	Analyze_Pragma, Analyze_Refined_Depends_In_Decl_Part,
	Analyze_Refined_Global_In_Decl_Part,
	Analyze_Refined_State_In_Decl_Part, Analyze_Refinement_Clause,
	Check_Aspect_Specification_Order, Check_Constituent_Usage,
	Check_Declaration_Order, Check_Dependency_Clause,
	Check_Duplicate_Mode, Check_Duplicate_Option,
	Check_Duplicate_Property, Check_External_Properties,
	Check_External_Property, Check_Function_Return,
	Check_Matching_Constituent, Check_Matching_State,
	Check_Mode_Restriction_In_Enclosing_Context,
	Check_Mode_Restriction_In_Function, Check_Refined_Global_Item,
	Check_State_And_Constituent_Use, Create_Or_Modify_Clause,
	Has_Extra_Parentheses, Inconsistent_Mode_Error,
	Match_Error, Propagate_Part_Of, Report_Extra_Clauses,
	Report_Extra_Constituents_In_List, Report_Extra_Inputs,
	Report_Unrefined_States, Report_Unused_Constituents,
	Report_Unused_States, Role_Error, Usage_Error):
	Convert Error_Msg_XXX calls to SPARK_Msg_XXX calls
	to report semantic errors only when SPARK_Mode is on.
	(Analyze_Depends_In_Decl_Part): Do not check the syntax of
	pragma Depends explicitly, this is now done by the analysis.
	(Analyze_Global_In_Decl_List): Do not check the syntax of
	pragma Global explicitly, this is now done by the analysis.
	(Analyze_Initializes_In_Decl_Part): Do not check the syntax of
	pragma Initializes explicitly, this is now done by the analysis.
	(Analyze_Part_Of): Do not check the syntax of the encapsulating
	state, this is now done by the analysis.
	(Analyze_Pragma): Do
	not check the syntax of a state declaration, this is now done
	by the analysis.
	(Analyze_Refined_Depends_In_Decl_Part): Do not
	check the syntax of pragma Refined_Depends explicitly, this is now
	done by the analysis.
	(Analyze_Refined_Global_In_Decl_Part): Do
	not check the syntax of pragma Refined_Global explicitly, this is
	now done by the analysis.
	(Analyze_Refined_State_In_Decl_Part):
	Do not check the syntax of pragma Refined_State explicitly, this
	is now done by the analysis.
	(Check_Dependence_List_Syntax): Removed.
	(Check_Global_List_Syntax): Removed.
	(Check_Initialization_List_Syntax): Removed.
	(Check_Item_Syntax): Removed.
	(Check_Missing_Part_Of): Do not consider items from an instance.
	(Check_Refinement_List_Syntax): Removed.
	(Check_State_Declaration_Syntax): Removed.
	(Collect_Global_List): Do not raise Program_Error when the input is
	malformed.
	(Process_Global_List): Do not raise Program_Error when the input
	is malformed.
	* sem_ch13.adb: Minor reformatting.
2014-06-13  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Find_Type_Name): Diagnose a private type completion
	that is an interface definition with an interface list.
	(Process_Full_View): Move error message on missmatched interfaces
	between views to the declaration of full view, for clarity.
	* sem_ch9.adb (Check_Interfaces): Move error message to full view,
	for clarity.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211626 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Hristian Kirtchev  <kirtchev@adacore.com>

	* sem_prag.adb (Analyze_Pragma): Add local
	variable Missing_Parentheses. Emit an error when a state
	declaration with options appears without parentheses. Add a
	guard to prevent a bogus error when a state declaration may be
	interpreted as an option if a previous declaration with options
	was not parenthesized.

2014-06-13  Robert Dewar  <dewar@adacore.com>

	* checks.adb: Validate_Alignment_Check_Warnings: New procedure
	(Apply_Address_Clause_Check): Make Aligment_Warnings table entry.
	* checks.ads (Alignment_Warnings_Record): New type.
	(Alignment_Warnings): New table
	(Validate_Alignment_Check_Warnings): New procedure.
	* errout.adb (Delete_Warning_And_Continuations): New procedure
	(Error_Msg_Internal): Set Warning_Msg (Delete_Warning): Handle
	Warnings_Treated_As_Errors (Finalize): Minor reformatting
	* errout.ads (Warning_Msg): New variable
	(Delete_Warning_And_Continuations): New procedure
	* erroutc.adb (Delete_Msg): Handle Warnings_Treated_As_Errors count.
	* gnat1drv.adb (Post_Compilation_Validation_Checks): New procedure.

2014-06-13  Ed Schonberg  <schonberg@adacore.com>

	* a-coinho.adb, a-coinho.ads: Add Reference machinery.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211627 138bc75d-0d04-0410-961f-82ee72b054a4
2014-06-13  Robert Dewar  <dewar@adacore.com>

	* sem_ch3.adb, sem_ch9.adb, a-coinho.adb, a-coinho.ads: Minor
	reformatting.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@211628 138bc75d-0d04-0410-961f-82ee72b054a4