* inline.adb (Subp_Info): Remove Listed component.
(Add_Inlined_Subprogram): Take an entity instead of an index.
Do not set Listed component to True.
(New_Entry): Do not initialize Listed component to False.
(Analyze_Inlined_Bodies): Do not test Listed component
(Must_Inline): Add calls not in the main unit only
if they are in a subprogram that can be inlined outside its unit.
(Add_Inlined_Body): Move test around and add comment.