2005-09-01 Ed Schonberg <schonberg@adacore.com>

2005-09-01  Ed Schonberg  <schonberg@adacore.com>
	    Emmanuel Briot  <briot@adacore.com>

	* lib-xref.adb (Output_Overridden_Op): Display information on
	overridden operation.

	* lib-xref.ads: Add documentation on overridden operations.

	* ali.ads (Xref_Entity_Record): Add support for storing the overriding
	information.

	* ali.adb (Get_Typeref): New subprogram. Adds support for parsing the
	overriding entity information.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@103871 138bc75d-0d04-0410-961f-82ee72b054a4