{"ast_node_type":"variable","tokens":[{"end":75,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(index) = stack.find(COLLECT_AND_PARTITION_MONO_ITEMS) {
            "rustc_monomorphize::partitioning::collect_and_partition_mono_items";
            stack = &stack[..index + COLLECT_AND_PARTITION_MONO_ITEMS.len()];