sem_ch7.adb (Install_Parent_Private_Declarations): If the private declarations of...

sem_ch7.adb (Install_Parent_Private_Declarations): If the private declarations of a parent unit are made visible when...

2008-03-26  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch7.adb (Install_Parent_Private_Declarations): If the private
	declarations of a parent unit are made visible when compiling a child
	instance, the parent is not a hidden open scope, even though it may
	contain other pending instance.

	* sem_ch8.adb (Restore_Scope_Stack): If an entry on the stack is a
	hidden open scope for some child instance, it does affect the
	visibility status of other stach entries.
	(Analyze_Object_Renaming): Check that a class-wide object cannot be
	renamed as an object of a specific type.

From-SVN: r133578