syntax_data: {"ast_node_type":"other","tokens":[{"end":26,"kind":"keyword","start":0,"text":"self.dcx()"}]}
source_snippet:                 self.dcx()
context_before:             if let Some(old_impl_did) = dtor_candidate {
context_after:                     .struct_span_err(self.def_span(impl_did), "multiple async drop impls found")