{"ast_node_type":"variable","tokens":[{"end":59,"kind":"keyword","start":0,"text":"if"}]}
        if let Some(index) = stack.find(ASSERT_DEP_GRAPH) {
        const ASSERT_DEP_GRAPH: &str = "rustc_incremental::assert_dep_graph::assert_dep_graph";
            stack = &stack[..index + ASSERT_DEP_GRAPH.len()];