Objective-C++ uses 256 tree codes and yes it uses all of them. So Objective-C++ fails.
-- Summary: almost to 256 tree codes for Objective-C++ Product: gcc Version: 4.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: pinskia at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25886