X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=compiler%2Frustc_index%2Fsrc%2Flib.rs;h=4036f4da1a76b6a475aba11e42c01bb4d4e3f1b8;hb=23d54ad96f10ba1e468a167b2dc6940478e850d6;hp=3ced3920cfdfe82118fa0914c970dd0bf98c8b97;hpb=8cd7d86ce27f22260a89ff0d47638cc1de827c9d;p=rust.git

diff --git a/compiler/rustc_index/src/lib.rs b/compiler/rustc_index/src/lib.rs
index 3ced3920cfd..4036f4da1a7 100644
--- a/compiler/rustc_index/src/lib.rs
+++ b/compiler/rustc_index/src/lib.rs
@@ -1,4 +1,5 @@
 #![feature(allow_internal_unstable)]
+#![feature(bench_black_box)]
 #![feature(const_fn)]
 #![feature(const_panic)]
 #![feature(extend_one)]