{"ast_node_type":"other","tokens":[{"end":49,"kind":"keyword","start":0,"text":"///"}]}
///   mark storage statements on `y` for removal;
/// - if we want to replace `*x` by reborrow `*y` and `y` may be dead, we allow replacement and
/// - if we want to replace `*x` by non-reborrow `y` and `y` must be live, we allow replacement;