{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"tcx.dcx().span_delayed_bug(span,"}]}
        tcx.dcx().span_delayed_bug(span, "could not normalize field type");
    let Ok(ty) = tcx.try_normalize_erasing_regions(typing_env, ty) else {
        return true;