{"ast_node_type":"other","tokens":[{"end":33,"kind":"keyword","start":0,"text":"ty::tls::with_opt(|tcx|"}]}
        ty::tls::with_opt(|tcx| {
    fn hash_stable(&self, hcx: &mut StableHashingContext<'a>, hasher: &mut StableHasher) {
            trace!("hashing {:?}", *self);