2008-08-20 Ed Schonberg <schonberg@adacore.com>

2008-08-20  Ed Schonberg  <schonberg@adacore.com>

	* sem_aggr.adb, sem_type.adb, exp_ch9.ads, einfo.ads,
	exp_ch6.adb, exp_aggr.adb (Valid_Ancestor): Resolve
	confusion between partial and full views of an ancestor of the context
	type when the parent is a private extension declared in a parent unit,
	and full views are available for the context type.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@139269 138bc75d-0d04-0410-961f-82ee72b054a4