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-rw-r--r--compiler/rustc_hir/src/lib.rs4
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_hir/src/lib.rs b/compiler/rustc_hir/src/lib.rs
index 600a0dce03b..e517c3fd07a 100644
--- a/compiler/rustc_hir/src/lib.rs
+++ b/compiler/rustc_hir/src/lib.rs
@@ -2,13 +2,15 @@
 //!
 //! [rustc dev guide]: https://rustc-dev-guide.rust-lang.org/hir.html
 
+// tidy-alphabetical-start
+#![allow(internal_features)]
 #![feature(associated_type_defaults)]
 #![feature(closure_track_caller)]
 #![feature(let_chains)]
 #![feature(never_type)]
 #![feature(rustc_attrs)]
 #![feature(variant_count)]
-#![allow(internal_features)]
+// tidy-alphabetical-end
 
 extern crate self as rustc_hir;