syntax_data: {"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"debug_assert_eq!(expn_data.parent.krate,"}]}
source_snippet:         debug_assert_eq!(expn_data.parent.krate, LOCAL_CRATE);
context_before:     pub fn set_expn_data(self, mut expn_data: ExpnData, ctx: impl HashStableContext) {
context_after:         let expn_hash = update_disambiguator(&mut expn_data, ctx);