re PR ada/10671 (improve error message for named notation used in pragma)

re PR ada/10671 (improve error message for named notation used in pragma)

2005-06-14  Robert Dewar  <dewar@adacore.com>
	    Ed Schonberg  <schonberg@adacore.com>

	PR ada/10671

	* sem_prag.adb: Implement pragma Persistent_BSS
	Remove obsolete pragma Persistent_Data, Persistent_Object
	Set Ada_Version_Explicit, for implementation of AI-362
	Test Ada_Version_Explicit for Preelaborate_05 and Pure_05
	Add processing for pragma Pure_05 and Preelaborate_05
	Add processing for Assertion_Policy pragma
	Add pragma identifiers for Assert
	(Analyze_Pragma, case Assert): Check number of arguments
	(Process_Inline): Additional guard against an illegal program, where the
	argument of the pragma is undefined, and warnings on redundant
	constructs are enabled.
	(Analyze_Pragma, case Obsolescent): Allow an optional second argument
	Ada_05 to this pragma, specifying that the pragma is only active in
	Ada_05 mode.
	(Check_Arg_Order): New procedure
	Add appropriate calls to this procedure throughout
	Also throughout, check entity name before doing any other checks

	* snames.h snames.ads, snames.adb: Add pragma Persistent_BSS
	Remove obsolete pragma Persistent_Data, Persistent_Object
	Add entries for pragma Pure_05 and Preelaborate_05
	Add entries for Assertion_Policy pragma and associated names
	Add some names for pragma argument processing

	* tbuild.ads, tbuild.adb: (Make_Linker_Section_Pragma): New function

From-SVN: r101060