Make sure ability defs that are possibly recursive are marked as such

crates/compiler/can/src/pattern.rs

@@ -205,6 +205,7 @@ pub fn canonicalize_def_header_pattern<'a>(
                         }
                         // Likely a specialization of an ability.
                         Some(ability_member_name) => {
+                            output.references.insert_bound(symbol);
                             output.references.insert_value_lookup(ability_member_name);
                             Pattern::AbilityMemberSpecialization {
                                 ident: symbol,