syntax_data: {"ast_node_type":"impl","tokens":[{"end":98,"kind":"keyword","start":0,"text":".span_delayed_bug(self.def_span(impl_did),"}]}
source_snippet:                     .span_delayed_bug(self.def_span(impl_did), "Drop impl without drop function");
context_before:                 self.dcx()
context_after:                 continue;