{"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"//"}]}
    // Propagate unstability. This can happen even for non-staged-api crates in case
fn lookup_stability(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Option<Stability> {
    // -Zforce-unstable-if-unmarked is set.