{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"debug!(\"add"}]}
        debug!("add use_of_var_derefs_origin facts - local={:?}, type={:?}", local, local_decl.ty);
    for (local, local_decl) in body.local_decls.iter_enumerated() {
        tcx.for_each_free_region(&local_decl.ty, |region| {