datastructures: replace once_cell crate with an impl from std

2020-08-29 19:16:49 +01:00
parent 85fbf49ce0
commit 68500ffacb
8 changed files with 7 additions and 4 deletions
--- a/compiler/rustc_driver/src/lib.rs
+++ b/compiler/rustc_driver/src/lib.rs
@@ -6,6 +6,7 @@

 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")]
 #![feature(nll)]
+#![feature(once_cell)]
 #![recursion_limit = "256"]

 #[macro_use]