syntax_data: {"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"span_bug!(v.span,"}]}
source_snippet:                     span_bug!(v.span, "`thir_check_tail_calls` should have disallowed this {v:?}")
context_before:                 let ExprKind::Call { ref args, fun, fn_span, .. } = v.kind else {
context_after:                 };