{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"if"}]}
            if features.internal(name) && !STDLIB_STABLE_CRATES.contains(&crate_name) {
            // the ICE message that asks for a report.
                sess.using_internal_features.store(true, std::sync::atomic::Ordering::Relaxed);