sem_res.adb (Analyze_Indexed_Component, [...]): Warn on assigning to packed atomic...

sem_res.adb (Analyze_Indexed_Component, [...]): Warn on assigning to packed atomic component.

2010-06-18  Robert Dewar  <dewar@adacore.com>

	* sem_res.adb (Analyze_Indexed_Component, Analyze_Selected_Component):
	Warn on assigning to packed atomic component.

2010-06-18  Robert Dewar  <dewar@adacore.com>

	* sem_util.ads: Minor reformatting
	* einfo.ads, einfo.adb: Minor doc clarification (scope of decls in
	Expression_With_Actions).
	* snames.ads-tmpl: Minor comment fix

2010-06-18  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb (Diagnose_Multiple_Pragmas): New procedure
	(Set_Imported): Use Import_Interface_Present to control message output
	* sinfo.ads, sinfo.adb (Import_Interface_Present): New flag
	* gnat_rm.texi: Document that we can have pragma Import and pragma
	Interface for the same subprogram.

2010-06-18  Robert Dewar  <dewar@adacore.com>

	* lib-xref.adb (Generate_Reference): Fix bad reference to
	Has_Pragma_Unreferenced (clients should always use Has_Unreferenced).

From-SVN: r160961