Auto merge of #133089 - eholk:stabilize-noop-waker, r=dtolnay

Stabilize noop_waker

Tracking Issue: #98286

This is a handy feature that's been used widely in tests and example async code and it'd be nice to make it available to users.

cc `@rust-lang/wg-async`

9 files changed, 4 insertions, 10 deletions

diff --git a/src/tools/miri/tests/pass/async-closure-captures.rs b/src/tools/miri/tests/pass/async-closure-captures.rs
index 423ef7a5cf7..979a6d1cbe0 100644
--- a/src/tools/miri/tests/pass/async-closure-captures.rs
+++ b/src/tools/miri/tests/pass/async-closure-captures.rs
@@ -1,6 +1,6 @@
 // Same as rustc's `tests/ui/async-await/async-closures/captures.rs`, keep in sync
 
-#![feature(async_closure, noop_waker, async_trait_bounds)]
+#![feature(async_closure, async_trait_bounds)]
 
 use std::future::Future;
 use std::pin::pin;
diff --git a/src/tools/miri/tests/pass/async-closure-drop.rs b/src/tools/miri/tests/pass/async-closure-drop.rs
index 264da5a9518..ad9822fa46d 100644
--- a/src/tools/miri/tests/pass/async-closure-drop.rs
+++ b/src/tools/miri/tests/pass/async-closure-drop.rs
@@ -1,4 +1,4 @@
-#![feature(async_closure, noop_waker, async_trait_bounds)]
+#![feature(async_closure, async_trait_bounds)]
 
 use std::future::Future;
 use std::pin::pin;
diff --git a/src/tools/miri/tests/pass/async-closure.rs b/src/tools/miri/tests/pass/async-closure.rs
index 721af578883..979b83687e4 100644
--- a/src/tools/miri/tests/pass/async-closure.rs
+++ b/src/tools/miri/tests/pass/async-closure.rs
@@ -1,4 +1,4 @@
-#![feature(async_closure, noop_waker, async_fn_traits)]
+#![feature(async_closure, async_fn_traits)]
 #![allow(unused)]
 
 use std::future::Future;
diff --git a/src/tools/miri/tests/pass/async-drop.rs b/src/tools/miri/tests/pass/async-drop.rs
index 53e3476f620..a455f377e85 100644
--- a/src/tools/miri/tests/pass/async-drop.rs
+++ b/src/tools/miri/tests/pass/async-drop.rs
@@ -6,7 +6,7 @@
 // please consider modifying rustc's async drop test at
 // `tests/ui/async-await/async-drop.rs`.
 
-#![feature(async_drop, impl_trait_in_assoc_type, noop_waker, async_closure)]
+#![feature(async_drop, impl_trait_in_assoc_type, async_closure)]
 #![allow(incomplete_features, dead_code)]
 
 // FIXME(zetanumbers): consider AsyncDestruct::async_drop cleanup tests
diff --git a/src/tools/miri/tests/pass/async-fn.rs b/src/tools/miri/tests/pass/async-fn.rs
index 67ec2e26b30..42c60bb4fab 100644
--- a/src/tools/miri/tests/pass/async-fn.rs
+++ b/src/tools/miri/tests/pass/async-fn.rs
@@ -1,5 +1,4 @@
 #![feature(never_type)]
-#![feature(noop_waker)]
 
 use std::future::Future;
 
diff --git a/src/tools/miri/tests/pass/dyn-star.rs b/src/tools/miri/tests/pass/dyn-star.rs
index dab589b4651..1ce0dd3c9d5 100644
--- a/src/tools/miri/tests/pass/dyn-star.rs
+++ b/src/tools/miri/tests/pass/dyn-star.rs
@@ -1,7 +1,6 @@
 #![feature(dyn_star)]
 #![allow(incomplete_features)]
 #![feature(custom_inner_attributes)]
-#![feature(noop_waker)]
 // rustfmt destroys `dyn* Trait` syntax
 #![rustfmt::skip]
 
diff --git a/src/tools/miri/tests/pass/future-self-referential.rs b/src/tools/miri/tests/pass/future-self-referential.rs
index 8aeb26a7a95..88d52d8f1c1 100644
--- a/src/tools/miri/tests/pass/future-self-referential.rs
+++ b/src/tools/miri/tests/pass/future-self-referential.rs
@@ -1,6 +1,5 @@
 //@revisions: stack tree
 //@[tree]compile-flags: -Zmiri-tree-borrows
-#![feature(noop_waker)]
 
 use std::future::*;
 use std::marker::PhantomPinned;
diff --git a/src/tools/miri/tests/pass/issues/issue-miri-2068.rs b/src/tools/miri/tests/pass/issues/issue-miri-2068.rs
index ccee2221e29..1931b6c9d79 100644
--- a/src/tools/miri/tests/pass/issues/issue-miri-2068.rs
+++ b/src/tools/miri/tests/pass/issues/issue-miri-2068.rs
@@ -1,5 +1,3 @@
-#![feature(noop_waker)]
-
 use std::future::Future;
 use std::pin::Pin;
 use std::task::{Context, Poll, Waker};
diff --git a/src/tools/miri/tests/pass/move-data-across-await-point.rs b/src/tools/miri/tests/pass/move-data-across-await-point.rs
index 1a93a6bf664..5aafddd99b9 100644
--- a/src/tools/miri/tests/pass/move-data-across-await-point.rs
+++ b/src/tools/miri/tests/pass/move-data-across-await-point.rs
@@ -1,4 +1,3 @@
-#![feature(noop_waker)]
 use std::future::Future;
 use std::ptr;