(accepted, copy_closures, "1.26.0", Some(44490), None),
/// Allows `crate` in paths.
(accepted, crate_in_paths, "1.30.0", Some(45477), None),
+ /// Allows rustc to inject a default alloc_error_handler
+ (accepted, default_alloc_error_handler, "CURRENT_RUSTC_VERSION", Some(66741), None),
/// Allows using assigning a default type to type parameters in algebraic data type definitions.
(accepted, default_type_params, "1.0.0", None, None),
/// Allows `#[deprecated]` attribute.