replaced feature-gate use with cfg_attr

diff --git a/compiler/rustc_ast_passes/src/lib.rs b/compiler/rustc_ast_passes/src/lib.rs
index 26da18b571cc0d205fec2f4f592d0cee31b9b4d1..6cde7d2bbd22a0b03f1bf532f501417bca5cebfa 100644 (file)
--- a/compiler/rustc_ast_passes/src/lib.rs
+++ b/compiler/rustc_ast_passes/src/lib.rs
@@ -4,7 +4,7 @@
 //!
 //! The crate also contains other misc AST visitors, e.g. `node_count` and `show_span`.
 
-#![feature(bindings_after_at)]
+#![cfg_attr(bootstrap, feature(bindings_after_at))]
 #![feature(iter_is_partitioned)]
 #![feature(box_patterns)]
 #![recursion_limit = "256"]

diff --git a/compiler/rustc_mir/src/lib.rs b/compiler/rustc_mir/src/lib.rs
index 12a36976f1d4b2f93ba1ffb0b1428d60e492a5fc..71b9798ddca51e151ff02e0216be2df1428d42ff 100644 (file)
--- a/compiler/rustc_mir/src/lib.rs
+++ b/compiler/rustc_mir/src/lib.rs
@@ -8,7 +8,7 @@
 #![feature(in_band_lifetimes)]
 #![feature(array_windows)]
 #![feature(assert_matches)]
-#![feature(bindings_after_at)]
+#![cfg_attr(bootstrap, feature(bindings_after_at))]
 #![feature(bool_to_option)]
 #![feature(box_patterns)]
 #![feature(box_syntax)]

diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs
index 51df06bd989455d82bb4baf4d0ff2e8d1697f786..ed3b51dc14a7864bd8c07c7b26b36e89c9d96074 100644 (file)
--- a/compiler/rustc_parse/src/lib.rs
+++ b/compiler/rustc_parse/src/lib.rs
@@ -2,7 +2,7 @@
 
 #![feature(array_windows)]
 #![feature(crate_visibility_modifier)]
-#![feature(bindings_after_at)]
+#![cfg_attr(bootstrap, feature(bindings_after_at))]
 #![feature(box_syntax)]
 #![feature(box_patterns)]
 #![recursion_limit = "256"]

diff --git a/compiler/rustc_typeck/src/lib.rs b/compiler/rustc_typeck/src/lib.rs
index 92ef829747271fd158923fe36bbf5de42f4714ef..2a9370e324b10ed1d91cc3eda2a5d0d9c332a55d 100644 (file)
--- a/compiler/rustc_typeck/src/lib.rs
+++ b/compiler/rustc_typeck/src/lib.rs
@@ -56,7 +56,7 @@
 */
 
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
-#![feature(bindings_after_at)]
+#![cfg_attr(bootstrap, feature(bindings_after_at))]
 #![feature(bool_to_option)]
 #![feature(box_syntax)]
 #![feature(crate_visibility_modifier)]