2006-10-31 Robert Dewar <dewar@adacore.com>

	    Ed Schonberg  <schonberg@adacore.com>
	    Bob Duff  <duff@adacore.com>

	* sinfo.ads, sinfo.adb (Set_Synchronized_Present,
	Synchronized_Present): Add Formal_Derived_Type_Definition and
	Private_Extension_Declaration to the list of assertions.
	(Is_Entry_Barrier_Function): New flag
	(Has_Self_Reference): New flag on aggregates, to indicate that they
	contain a reference to the enclosing type, inserted through a default
	initialization.
	(Next_Rep_Item): Move from Node4 to Node5.
	(Entity): Add this field for N_Attribute_Definition_Clause.
	(Comes_From_Extended_Return_Statement): New flag on N_Return_Statement
	(N_Return_Object_Declaration): Remove this node kind. We now use
	N_Object_Declaration instead.
	(Actual_Designated_Subtype): Move to a different place to make room in
	N_Extended_Return_Statement.
	(Procedure_To_Call): Move to a different place to make room in
	N_Extended_Return_Statement.
	(Return_Type): Removed this field to make room in return statements
	(both kinds).
	(Return_Statement_Entity): New field in return statements, in part to
	replace Return_Type, and in part to support the fact that return
	statements are now pushed on the scope stack during semantic analysis.
	(Return_Object_Declarations): New field to support extended return
	statements.
	(N_Extended_Return_Statement): New node for extended_return_statement
	nonterminal.
	(N_Return_Object_Declaration): New node for part of
	extended_return_statement nonterminal. Needed because all the necessary
	fields won't fit in N_Extended_Return_Statement.
	Generic_associations now carry the Box_Present flag, to indicate a
	default for an actual in a partially parametrized formal package.

        * snames.h, snames.ads, snames.adb: Add definition for Validity_Check
	(Preset_Names): Add entries for Priority_Specific_Dispatching pragma
	and for the new predefined dispatching policies: EDF_Across_Priorities,
	Non_Preemptive_Within_Priorities, and Round_Robin_Within_Priorities.
	Introduce new name Stub_Type for implementation defined attribute.
	Add pragma Preelaborable_Initialization
	Add entry for Priority attribute.
	Add Pragma_Wide_Character_Encoding
	(Get_Convention_Name): Given a convention id, this function returns the
	corresponding name id from the names table.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@118313 138bc75d-0d04-0410-961f-82ee72b054a4

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