X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Flibrustc_hir%2Flib.rs;h=f54fa291bd6e81e7c3620a8f044864ebdf37d345;hb=143059deafe1e5df3cbbaf4d47f5461af7bcf8c3;hp=66494d0fa736c9839508f251866a45de94a8c841;hpb=2dbcf0841a81fbada9a2b3af253b62b30a8318cc;p=rust.git

diff --git a/src/librustc_hir/lib.rs b/src/librustc_hir/lib.rs
index 66494d0fa73..f54fa291bd6 100644
--- a/src/librustc_hir/lib.rs
+++ b/src/librustc_hir/lib.rs
@@ -3,7 +3,7 @@
 //! [rustc guide]: https://rust-lang.github.io/rustc-guide/hir.html
 
 #![feature(crate_visibility_modifier)]
-#![feature(const_fn)]
+#![feature(const_fn)] // For the unsizing cast on `&[]`
 #![feature(in_band_lifetimes)]
 #![feature(specialization)]
 #![recursion_limit = "256"]