syntax_data: {"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"span_bug!(term.source_info.span,"}]}
source_snippet:                 span_bug!(term.source_info.span, "cannot unwind from {:?}", term.kind)
context_before:             | TerminatorKind::FalseEdge { .. } => {
context_after:             }