move core::hint::black_box under its own feature gate

2021-04-15 11:19:24 +02:00
parent 5da10c0121
commit 23d54ad96f
8 changed files with 20 additions and 9 deletions
--- a/compiler/rustc_index/src/lib.rs
+++ b/compiler/rustc_index/src/lib.rs
@@ -1,4 +1,6 @@
 #![feature(allow_internal_unstable)]
+#![feature(bench_black_box)]
+#![feature(const_fn)]
 #![feature(const_panic)]
 #![feature(extend_one)]
 #![feature(iter_zip)]