New upstream version 1.58.1+dfsg1

[rustc.git] / compiler / rustc_index / src / lib.rs

diff --git a/compiler/rustc_index/src/lib.rs b/compiler/rustc_index/src/lib.rs
index a72a27e07bd77fb2cc74f0ef85140aac307be79a..5149322355fc2b8187de6fdbe31f6fc78bd92234 100644 (file)
--- a/compiler/rustc_index/src/lib.rs
+++ b/compiler/rustc_index/src/lib.rs
@@ -3,7 +3,9 @@
 #![feature(extend_one)]
 #![feature(iter_zip)]
 #![feature(min_specialization)]
+#![feature(step_trait)]
 #![feature(test)]
+#![feature(let_else)]
 
 pub mod bit_set;
 pub mod vec;