{"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"//"}]}
    // Iterate over each segment of the path.
    let mut args: SmallVec<[ty::GenericArg<'tcx>; 8]> = SmallVec::with_capacity(count);
    while let Some((def_id, defs)) = stack.pop() {