{"ast_node_type":"other","tokens":[{"end":83,"kind":"keyword","start":0,"text":"Some(InhabitedPredicate::False)"}]}
                Some(InhabitedPredicate::False) => Some(InhabitedPredicate::False),
                None => b.instantiate_opt(tcx, args).map(|b| a.and(tcx, b)),
                Some(a) => Some(a.and(tcx, b.instantiate_opt(tcx, args).unwrap_or(b))),