2007-08-14 Ed Schonberg <schonberg@adacore.com>

	    Javier Miranda  <miranda@adacore.com>

	* exp_disp.ads, exp_disp.adb (Build_Dispatch_Tables): Handle tagged
	types declared in the declarative part of a nested package body or in
	the proper body of a stub.
	(Set_All_DT_Position): Add missing check to avoid wrong assignation
	of the same dispatch table slot to renamed primitives.
	(Make_Select_Specific_Data_Table): Handle private types.
	(Tagged_Kind): Handle private types.
	(Make_Tags, Make_DT): Set tag entity as internal to ensure proper dg
	output of implicit importation and exportation.
	(Expand_Interface_Thunk): Fix bug in the expansion assuming that the
	first formal of the thunk is always associated with the controlling
	type. In addition perform the following code cleanup: remove formal
	Thunk_Alias which is no longer required, cleanup evaluation of the
	the controlling type, and update the documentation.
	Replace occurrence of Default_Prim_Op_Count by
	Max_Predef_Prims. Addition of compile-time check to verify
	that the value of Max_Predef_Prims is correct.
	(Check_Premature_Freezing): Apply check in Ada95 mode as well.
	(Make_DT): Add parameter to indicate when type has been frozen by an
	object declaration, for diagnostic purposes.
	(Build_Static_Dispatch_Tables): New subprogram that takes care of the
	construction of statically allocated dispatch tables.
	(Make_DT): In case of library-level tagged types export the declaration
	of the primary tag. Remove generation of tags (now done by Make_Tags).
	Additional modifications to handle non-static generation of dispatch
	tables. Take care of building tables for asynchronous interface types
	(Make_Tags): New subprogram that generates the entities associated with
	the primary and secondary tags of Typ and fills the contents of Access_
	Disp_Table. In case of library-level tagged types imports the forward
	declaration of the primary tag that will be declared later by Make_DT.
	(Expand_Interface_Conversion): In case of access types to interfaces
	replace an itype declaration by an explicit type declaration to avoid
	problems associated with the scope of such itype in transient blocks.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@127418 138bc75d-0d04-0410-961f-82ee72b054a4

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