syntax_data: {"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:     if has_rustc_mir_with(tcx, def_id, sym::stop_after_dataflow).is_some() {
context_after:         tcx.dcx().emit_fatal(StopAfterDataFlowEndedCompilation);