{"ast_node_type":"variable","tokens":[{"end":72,"kind":"keyword","start":0,"text":"///"}]}
    /// Allows code like `let x: &'static u32 = &42` to work (RFC 1414).
    (accepted, return_position_impl_trait_in_trait, "1.75.0", Some(91611)),
    (accepted, rvalue_static_promotion, "1.21.0", Some(38865)),