2007-12-06 Bob Duff <duff@adacore.com>

2007-12-06  Bob Duff  <duff@adacore.com>
	    Javier Miranda  <miranda@adacore.com>
	    Robert Dewar  <dewar@adacore.com>

	* sem_util.ads, sem_util.adb (Is_Concurrent_Interface): New routine.
	(Set_Convention): New procedure to set the Convention flag, and in
	addition make sure the Favor_Top_Level flag is kept in sync (all
	foreign-language conventions require Favor_Top_Level = True).
	(Collect_Abstract_Interfaces): Update occurrences of Related_Interface
	to Related_Type.
	(Collect_Interfaces_Info): Minor update to handle the two secondary
	dispatch tables. Update occurrence of Related_Interface to Related_Type.
	(Generate_Parent_Ref): Add parameter to specify entity to check
	(Is_Preelaborable_Expression): Allow the name of a discriminant to
	initialize a component of a type with preelaborable initialization.
	This includes the case of a discriminal used in such a context.
	(Is_Dependent_Component_Of_Mutable_Object): Take into account the
	latest Ada 2005 rules about renaming and 'Access of
	discriminant-dependent components.
	(Check_Nested_Access): Add handling when there are no enclosing
	subprograms (e.g. case of a package body).
	(Find_Parameter_Type): Factor routine from several other compiler files.
	Remove routine from Find_Overridden_Synchronized_Primitive.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@130859 138bc75d-0d04-0410-961f-82ee72b054a4