2015-10-16  Hristian Kirtchev  <kirtchev@adacore.com>

	* aspects.adb Add an entry for Constant_After_Elaboration in
	table Canonical_Aspect.
	* aspects.ads Add entries for Constant_After_Elaboration in
	tables Aspect_Argument, Aspect_Delay, Aspect_Id, Aspect_Names
	and Implementation_Defined_Aspect.
	* par-prag.adb Pragma Constant_After_Elaboration does not require
	special processing by the parser.
	* sem_ch13.adb Add an entry for Constant_After_Elaboration
	in table Sig_Flags.
	(Analyze_Aspect_Specifications):
	Add processing for aspect Constant_After_Elaboration.
	(Check_Aspect_At_Freeze_Point): Aspect Constant_After_Elaboration
	does not require special processing at freeze time.
	* sem_prag.adb (Analyze_Pragma): Add processing for pragma
	Constant_After_Elaboration. Use routine Find_Related_Context to
	retrieve the context of pragma Part_Of.
	(Duplication_Error): Update comment on usage.
	(Find_Related_Context): New routine.
	* sem_prag.ads Add an entry for Constant_After_Elaboration
	in table Aspect_Specifying_Pragma.
	(Analyze_Contract_Cases_In_Decl_Part): Update the comment on usage.
	* sem_util.adb (Add_Contract_Item): Add processing for pragma
	Constant_After_Elaboration.
	* sem_util.ads (Add_Contract_Item): Update the comment on usage.
	* snames.ads-tmpl Add new predefined name and aspect id for
	Constant_After_Elaboration.

2015-10-16  Vincent Celier  <celier@adacore.com>

	* prj-pp.adb (Pretty_Print.Print): Correctly display extending
	packages, instead of making them renamed packages.

From-SVN: r228911