{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"TyMaybeWithLayout::Ty(field_ty)"}]}
            TyMaybeWithLayout::Ty(field_ty) => {
        match field_ty_or_layout(this, cx, i) {
                cx.tcx().layout_of(cx.typing_env().as_query_input(field_ty)).unwrap_or_else(|e| {