2007-04-20 Ed Schonberg <schonberg@adacore.com>

	* sem_aggr.adb (Resolve_Record_Aggregate): Ignore internal components
	of the type that specify the position of interface tags when the type
	inherits discriminated array components from the parent type.
	If a component is initialized with a box, check for the presence of a
	default expression in its declaration before using its default
	initialization procedure.
	(Resolve_Record_Aggregate): If a component is box-initialized, and the
	component type has a discriminants, create a partial aggregate for it
	by copying the discriminants of the component subtype.
	Reject attempt to initialize a discriminant with a box.
	(Array_Aggr_Subtype): Indicate to the backend that the size of arrays
	associated with dispatch tables is known at compile time.
	(Get_Value): If an association in a record aggregate has a box
	association, and the corresponding record component has a default
	expression, always copy the default expression, even when the
	association has a single choice, in order to create a proper
	association for the expanded aggregate.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125438 138bc75d-0d04-0410-961f-82ee72b054a4

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