2007-04-06 Eric Botcazou <botcazou@adacore.com>

	    Ed Schonberg  <schonberg@adacore.com>
	    Gary Dismukes  <dismukes@adacore.com>

	* exp_ch9.ads, exp_ch9.adb (Family_Offset): Add new 'Cap' boolean
	parameter. If it is set to true, return a result capped according to
	the global upper bound for the index of an entry family.
	(Family_Size): Add new 'Cap' boolean parameter. Pass it to Family_Offset
	(Build_Find_Body_Index): Adjust for above change.
	(Entry_Index_Expression): Likewise.
	(Is_Potentially_Large_Family): New function extracted from...
	(Collect_Entry_Families): ...here. Call it to detect whether the family
	is potentially large.
	(Build_Entry_Count_Expression): If the family is potentially large, call
	Family_Size with 'Cap' set to true.
	(Expand_N_Protected_Type_Declaration, Expand_N_Protected_Body): Generate
	a protected version of an operation declared in the private part of
	a protected object, because they may be invoked through a callback.
	(Set_Privals): If the type of a private component is an anonymous access
	type, do not create a new itype for each protected body.
	If the body of a protected operation creates
	controlled types (including allocators for class-widetypes), the
	body of the corresponding protected subprogram must include a
	finalization list.
	(Build_Activation_Chain_Entity): Build the chain entity for extended
	return statements.
	(Type_Conformant_Parameters): Use common predicate Conforming_Types
	to determine whether operation overrides an inherited primitive.
	(Build_Wrapper_Spec): Add code to examine the parents while looking
	for a possible overriding candidate.
	(Build_Simple_Entry_Call): Set No_Initialization on the object used to
	hold an actual parameter value since its initialization is separated
	from the the declaration. Prevents errors on null-excluding access
	formals.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@123564 138bc75d-0d04-0410-961f-82ee72b054a4

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