New upstream version 1.56.0~beta.4+dfsg1

[rustc.git] / compiler / rustc_ast / src / lib.rs

diff --git a/compiler/rustc_ast/src/lib.rs b/compiler/rustc_ast/src/lib.rs
index 3207aee6d2a97a3e21d06a7ecb6b4cd9621f90c7..ef3f6035085d3643e0abfb2aac36558a7c47031e 100644 (file)
--- a/compiler/rustc_ast/src/lib.rs
+++ b/compiler/rustc_ast/src/lib.rs
@@ -8,14 +8,15 @@
     html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/",
     test(attr(deny(warnings)))
 )]
-#![feature(box_syntax)]
 #![feature(box_patterns)]
-#![feature(const_fn_transmute)]
+#![cfg_attr(bootstrap, feature(const_fn_transmute))]
 #![feature(crate_visibility_modifier)]
+#![feature(if_let_guard)]
 #![feature(iter_zip)]
 #![feature(label_break_value)]
 #![feature(nll)]
 #![feature(min_specialization)]
+#![cfg_attr(bootstrap, allow(incomplete_features))] // if_let_guard
 #![recursion_limit = "256"]
 
 #[macro_use]