2005-09-01 Ed Schonberg <schonberg@adacore.com>

	    Hristian Kirtchev  <kirtchev@adacore.com>
	    Javier Miranda  <miranda@adacore.com>

	* exp_ch6.adb (Expand_Call): If an actual is a function call rewritten
	from object notation, the original node is unanalyzed and carries no
	semantic information, so that accessiblity checks must be performed on
	the type of the actual itself.
	(Expand_N_Subprogram_Declaration): Change last actual parameter for
	compatibility with Build_Protected_Sub_Specification.
	(Check_Overriding_Inherited_Interfaces): Add suport to handle
	overloaded primitives.
	(Register_Interface_DT_Entry): Use the new name of the formal
	the the calls to Expand_Interface_Thunk

	* exp_dbug.ads: Augment comments on encoding of protected types to
	include the generation of dispatching subprograms when the type
	implements at least one interface.

	* lib.ads: Extend information in Load_Stack to include whether a given
	load comes from a Limited_With_Clause.

	* lib-load.adb (From_Limited_With_Chain): New predicate to determine
	whether a potential circularity is harmless, because it includes units
	loaded through a limited_with clause. Extends previous treatment which
	did not handle properly arbitrary combinations of limited and
	non-limited clauses.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@103861 138bc75d-0d04-0410-961f-82ee72b054a4

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