Add a spin loop hint for Arc::downgrade

2020-09-12 13:53:30 -03:00
parent 07a63e6d1f
commit 929f80ece9
2 changed files with 3 additions and 0 deletions
--- a/library/alloc/src/lib.rs
+++ b/library/alloc/src/lib.rs
@@ -118,6 +118,7 @@
 #![feature(raw_ref_op)]
 #![feature(rustc_attrs)]
 #![feature(receiver_trait)]
+#![feature(renamed_spin_loop)]
 #![feature(min_specialization)]
 #![feature(slice_ptr_get)]
 #![feature(slice_ptr_len)]