Rollup merge of #46287 - SimonSapin:stable-constness, r=aturon

Stabilize const-calling existing const-fns in std Fixes #46038
2017-11-29 18:37:47 +08:00
parent 6006c0f35f 6c5f53e65e
commit 0e78c29bea
45 changed files with 8 additions and 164 deletions
--- a/src/libstd/sync/once.rs
+++ b/src/libstd/sync/once.rs
@@ -156,7 +156,6 @@ struct Finish {
 impl Once {
    /// Creates a new `Once` value.
    #[stable(feature = "once_new", since = "1.2.0")]
-    #[rustc_const_unstable(feature = "const_once_new")]
    pub const fn new() -> Once {
        Once {
            state: AtomicUsize::new(INCOMPLETE),