par-ch13.adb (P_Aspect_Specifications): Fix handling of 'Class aspects

par-ch13.adb (P_Aspect_Specifications): Fix handling of 'Class aspects

2010-10-12  Robert Dewar  <dewar@adacore.com>

	* par-ch13.adb (P_Aspect_Specifications): Fix handling of 'Class aspects
	* sem_ch13.adb (Analyze_Aspect_Specifications): Fix bad Sloc on aspects
	* sem_prag.adb (Fix_Error): Only change pragma names for pragmas from
	aspects.
	(Check_Optional_Identifier): Handle case of direct arguments
	(Chain_PPC): Test for abstract case, giving appropriate messages
	* sinfo.ads, sinfo.adb (Class_Present): Allowed on N_Pragma node

From-SVN: r165355