2006-02-13 Javier Miranda <miranda@adacore.com>

	    Ed Schonberg  <schonberg@adacore.com>

	* sem_attr.adb (Analyze_Attribute): In case of 'Class applied to an
	abstract interface type call analyze_and_resolve to expand the type
	conversion into the corresponding displacement of the
	reference to the base of the object.
	(Eval_Attribute, case Width): For systems where IEEE extended precision
	is supported, the maximum exponent occupies 4 decimal digits.
	(Accessibility_Message): Add '\' in 2-line warning message.
	(Resolve_Attribute): Likewise.
	(case Attribute_Access): Significantly revise checks
	for illegal access-to-subprogram Access attributes to properly enforce
	the rules of 3.10.2(32/2).
	Diagnose use of current instance with an illegal attribute.

        * sem_util.ads, sem_util.adb (Enclosing_Generic_Body): Change formal
        to a Node_Id.
        (Enclosing_Generic_Unit): New function to return a node's innermost
        enclosing generic declaration node.
        (Compile_Time_Constraint_Error): Remove '!' in warning messages.
        (Type_Access_Level): The accessibility level of anonymous acccess types
        associated with discriminants is that of the current instance of the
        type, and that's deeper than the type itself (AARM 3.10.2 (12.3.21)).
        (Compile_Time_Constraint_Error): Handle case of conditional expression.
        (Kill_Current_Values_For_Entity): New function
        (Enter_Name): Change formal type to Entity_Id



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111089 138bc75d-0d04-0410-961f-82ee72b054a4

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