This type Event_Queue_Base (Start_Started : Boolean; Priority : System.Priority; Storage_Size : Positive) is tagged private;
task type Dispatcher (The_Queue : access Event_Queue_Base'Class) is pragma Priority (The_Queue.Priority); pragma Storage_Size (The_Queue.Storage_Size); results in constrained_task.ads:12:24: premature usage of incomplete type "Event_Queue_Base'Class" defined at line 5 Reproducer to follow. -- Summary: Unable to access components of task access constraint Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: ada AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: simon at pushface dot org CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: powerpc-apple-darwin7.8.0 GCC host triplet: powerpc-apple-darwin7.8.0 GCC target triplet: powerpc-apple-darwin7.8.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20921