{"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"cov_mark::check!(return_unit_block);"}]}
    cov_mark::check!(return_unit_block);
fn return_unit_block() {
    check_edit("return", r#"fn f() { if true { $0 } }"#, r#"fn f() { if true { return; } }"#);