Remove async_await gates from tests.

src/test/rustdoc/async-fn.rs

@@ -1,7 +1,5 @@
 // edition:2018
 
-#![feature(async_await)]
-
 // @has async_fn/fn.foo.html '//pre[@class="rust fn"]' 'pub async fn foo() -> Option<Foo>'
 pub async fn foo() -> Option<Foo> {
     None

src/test/rustdoc/async-move-doctest.rs

@@ -1,13 +1,11 @@
 // compile-flags:--test
 // edition:2018
 
-// prior to setting the default edition for the doctest pre-parser, this doctest would fail due to
-// a fatal parsing error
+// Prior to setting the default edition for the doctest pre-parser,
+// this doctest would fail due to a fatal parsing error.
 // see https://github.com/rust-lang/rust/issues/59313
 
 //! ```
-//! #![feature(async_await)]
-//!
 //! fn foo() {
 //!     drop(async move {});
 //! }

src/test/rustdoc/edition-flag.rs

@@ -1,10 +1,7 @@
 // compile-flags:--test -Z unstable-options
 // edition:2018
 
-#![feature(async_await)]
-
 /// ```rust
-/// #![feature(async_await)]
 /// fn main() {
 ///     let _ = async { };
 /// }

src/test/ui/async-await/argument-patterns.rs

@@ -3,7 +3,6 @@
 
 #![allow(unused_variables)]
 #![deny(unused_mut)]
-#![feature(async_await)]
 
 type A = Vec<u32>;
 

src/test/ui/async-await/async-await.rs

@@ -3,8 +3,6 @@
 // edition:2018
 // aux-build:arc_wake.rs
 
-#![feature(async_await)]
-
 extern crate arc_wake;
 
 use std::pin::Pin;

src/test/ui/async-await/async-block-control-flow-static-semantics.rs

@@ -6,8 +6,6 @@
 // edition:2018
 // ignore-tidy-linelength
 
-#![feature(async_await)]
-
 fn main() {}
 
 use core::future::Future;

src/test/ui/async-await/async-closure-matches-expr.rs

@@ -1,7 +1,7 @@
 // build-pass
 // edition:2018
 
-#![feature(async_await, async_closure)]
+#![feature(async_closure)]
 
 macro_rules! match_expr {
     ($x:expr) => {}

src/test/ui/async-await/async-closure.rs

@@ -3,7 +3,7 @@
 // edition:2018
 // aux-build:arc_wake.rs
 
-#![feature(async_await, async_closure)]
+#![feature(async_closure)]
 
 extern crate arc_wake;
 

src/test/ui/async-await/async-error-span.rs

@@ -1,7 +1,6 @@
 // edition:2018
-#![feature(async_await)]
 
-// Regression test for issue #62382
+// Regression test for issue #62382.
 
 use std::future::Future;
 

src/test/ui/async-await/async-fn-elided-impl-lifetime-parameter.rs

@@ -6,8 +6,6 @@
 // check-pass
 // edition:2018
 
-#![feature(async_await)]
-
 struct Foo<'a>(&'a u8);
 
 impl Foo<'_> {

src/test/ui/async-await/async-fn-nonsend.rs

@@ -2,8 +2,6 @@
 // edition:2018
 // compile-flags: --crate-type lib
 
-#![feature(async_await)]
-
 use std::{
     cell::RefCell,
     fmt::Debug,

src/test/ui/async-await/async-fn-path-elision.rs

@@ -1,8 +1,5 @@
 // edition:2018
 
-#![feature(async_await)]
-#![allow(dead_code)]
-
 struct HasLifetime<'a>(&'a bool);
 
 async fn error(lt: HasLifetime) { //~ ERROR implicit elided lifetime not allowed here

src/test/ui/async-await/async-fn-send-uses-nonsend.rs

@@ -2,8 +2,6 @@
 // edition:2018
 // compile-flags: --crate-type lib
 
-#![feature(async_await)]
-
 use std::{
     cell::RefCell,
     fmt::Debug,

src/test/ui/async-await/async-fn-size-moved-locals.rs

@@ -12,8 +12,6 @@
 
 // edition:2018
 
-#![feature(async_await)]
-
 use std::future::Future;
 use std::pin::Pin;
 use std::task::{Context, Poll};

src/test/ui/async-await/async-fn-size.rs

@@ -2,8 +2,6 @@
 // aux-build:arc_wake.rs
 // edition:2018
 
-#![feature(async_await)]
-
 extern crate arc_wake;
 
 use std::pin::Pin;

src/test/ui/async-await/async-matches-expr.rs

@@ -1,8 +1,6 @@
 // build-pass (FIXME(62277): could be check-pass?)
 // edition:2018
 
-#![feature(async_await)]
-
 macro_rules! match_expr {
     ($x:expr) => {}
 }

src/test/ui/async-await/async-unsafe-fn-call-in-safe.rs

@@ -1,7 +1,5 @@
 // edition:2018
 
-#![feature(async_await)]
-
 struct S;
 
 impl S {

src/test/ui/async-await/async-with-closure.rs

@@ -1,8 +1,6 @@
 // build-pass (FIXME(62277): could be check-pass?)
 // edition:2018
 
-#![feature(async_await)]
-
 trait MyClosure {
     type Args;
 }

src/test/ui/async-await/await-keyword/2015-edition-error-various-positions.rs

@@ -1,4 +1,3 @@
-#![feature(async_await)]
 #![allow(non_camel_case_types)]
 #![deny(keyword_idents)]
 

src/test/ui/async-await/await-keyword/2018-edition-error-in-non-macro-position.rs

@@ -1,7 +1,6 @@
 // edition:2018
 
 #![allow(non_camel_case_types)]
-#![feature(async_await)]
 
 mod outer_mod {
     pub mod await { //~ ERROR expected identifier, found reserved keyword `await`

src/test/ui/async-await/await-keyword/incorrect-syntax-suggestions.rs

@@ -1,7 +1,5 @@
 // edition:2018
 
-#![feature(async_await)]
-
 async fn bar() -> Result<(), ()> {
     Ok(())
 }

src/test/ui/async-await/await-unsize.rs

@@ -3,8 +3,6 @@
 // check-pass
 // edition:2018
 
-#![feature(async_await)]
-
 async fn make_boxed_object() -> Box<dyn Send> {
     Box::new(()) as _
 }

src/test/ui/async-await/bound-normalization.rs

@@ -1,8 +1,6 @@
 // check-pass
 // edition:2018
 
-#![feature(async_await)]
-
 // See issue 60414
 
 trait Trait {

src/test/ui/async-await/conditional-and-guaranteed-initialization.rs

@@ -2,8 +2,6 @@
 // edition:2018
 // compile-flags: --crate-type lib
 
-#![feature(async_await)]
-
 async fn conditional_and_guaranteed_initialization(x: usize) -> usize {
     let y;
     if x > 5 {

src/test/ui/async-await/dont-print-desugared-async.rs

@@ -1,7 +1,6 @@
 // Test that we don't show variables with from async fn desugaring
 
 // edition:2018
-#![feature(async_await)]
 
 async fn async_fn(&ref mut s: &[i32]) {}
 //~^ ERROR cannot borrow data in a `&` reference as mutable [E0596]

src/test/ui/async-await/dont-suggest-missing-await.rs

@@ -2,8 +2,6 @@
 
 // This test ensures we don't make the suggestion in bodies that aren't `async`.
 
-#![feature(async_await)]
-
 fn take_u32(x: u32) {}
 
 async fn make_u32() -> u32 {

src/test/ui/async-await/drop-order/drop-order-for-async-fn-parameters-by-ref-binding.rs

@@ -3,7 +3,6 @@
 // run-pass
 
 #![allow(unused_variables)]
-#![feature(async_await)]
 
 // Test that the drop order for parameters in a fn and async fn matches up. Also test that
 // parameters (used or unused) are not dropped until the async fn completes execution.

src/test/ui/async-await/drop-order/drop-order-for-async-fn-parameters.rs

@@ -3,7 +3,6 @@
 // run-pass
 
 #![allow(unused_variables)]
-#![feature(async_await)]
 
 // Test that the drop order for parameters in a fn and async fn matches up. Also test that
 // parameters (used or unused) are not dropped until the async fn completes execution.

src/test/ui/async-await/drop-order/drop-order-for-locals-when-cancelled.rs

@@ -2,9 +2,7 @@
 // edition:2018
 // run-pass
 
-#![allow(unused_variables)]
 #![deny(dead_code)]
-#![feature(async_await)]
 
 // Test that the drop order for locals in a fn and async fn matches up.
 extern crate arc_wake;

src/test/ui/async-await/drop-order/drop-order-locals-are-hidden.rs

@@ -1,8 +1,5 @@
 // edition:2018
 
-#![allow(unused_variables)]
-#![feature(async_await)]
-
 async fn foobar_async(x: u32, (a, _, _c): (u32, u32, u32), _: u32, _y: u32) {
     assert_eq!(__arg1, (1, 2, 3)); //~ ERROR cannot find value `__arg1` in this scope [E0425]
     assert_eq!(__arg2, 4); //~ ERROR cannot find value `__arg2` in this scope [E0425]

src/test/ui/async-await/drop-order/drop-order-when-cancelled.rs

@@ -2,9 +2,6 @@
 // edition:2018
 // run-pass
 
-#![allow(unused_variables)]
-#![feature(async_await)]
-
 // Test that the drop order for parameters in a fn and async fn matches up. Also test that
 // parameters (used or unused) are not dropped until the async fn is cancelled.
 // This file is mostly copy-pasted from drop-order-for-async-fn-parameters.rs

src/test/ui/async-await/edition-deny-async-fns-2015.rs

@@ -1,7 +1,5 @@
 // edition:2015
 
-#![feature(async_await)]
-
 async fn foo() {} //~ ERROR `async fn` is not permitted in the 2015 edition
 
 fn baz() { async fn foo() {} } //~ ERROR `async fn` is not permitted in the 2015 edition

src/test/ui/async-await/generics-and-bounds.rs

@@ -2,8 +2,6 @@
 // edition:2018
 // compile-flags: --crate-type lib
 
-#![feature(async_await)]
-
 use std::future::Future;
 
 pub async fn simple_generic<T>() {}

src/test/ui/async-await/issue-60709.rs

@@ -4,9 +4,6 @@
 
 // run-pass
 
-#![feature(async_await)]
-#![allow(unused)]
-
 use std::future::Future;
 use std::task::Poll;
 use std::task::Context;

src/test/ui/async-await/issue-61452.rs

@@ -1,5 +1,4 @@
 // edition:2018
-#![feature(async_await)]
 
 pub async fn f(x: Option<usize>) {
     x.take();

src/test/ui/async-await/issue-61793.rs

@@ -6,9 +6,6 @@
 // build-pass (FIXME(62277): could be check-pass?)
 // edition:2018
 
-#![feature(async_await)]
-#![allow(unused)]
-
 async fn foo<F>(_: &(), _: F) {}
 
 fn main() {

src/test/ui/async-await/issue-61949-self-return-type.rs

@@ -1,6 +1,5 @@
 // ignore-tidy-linelength
 // edition:2018
-#![feature(async_await)]
 
 // This test checks that `Self` is prohibited as a return type. See #61949 for context.
 

src/test/ui/async-await/issue-62658.rs

@@ -4,8 +4,6 @@
 // build-pass
 // edition:2018
 
-#![feature(async_await)]
-
 async fn noop() {}
 
 async fn foo() {

src/test/ui/async-await/issues/issue-51719.rs

@@ -2,8 +2,6 @@
 //
 // Tests that the .await syntax can't be used to make a generator
 
-#![feature(async_await)]
-
 async fn foo() {}
 
 fn make_generator() {

src/test/ui/async-await/issues/issue-51751.rs

@@ -1,7 +1,5 @@
 // edition:2018
 
-#![feature(async_await)]
-
 async fn inc(limit: i64) -> i64 {
     limit + 1
 }

src/test/ui/async-await/issues/issue-53249.rs

@@ -1,7 +1,7 @@
 // build-pass (FIXME(62277): could be check-pass?)
 // edition:2018
 
-#![feature(arbitrary_self_types, async_await)]
+#![feature(arbitrary_self_types)]
 
 use std::task::{self, Poll};
 use std::future::Future;

src/test/ui/async-await/issues/issue-54752-async-block.rs

@@ -3,7 +3,4 @@
 // edition:2018
 // pp-exact
 
-#![feature(async_await)]
-#![allow(unused_parens)]
-
 fn main() { let _a = (async  { }); }

src/test/ui/async-await/issues/issue-54974.rs

@@ -1,8 +1,6 @@
 // build-pass (FIXME(62277): could be check-pass?)
 // edition:2018
 
-#![feature(async_await)]
-
 use std::sync::Arc;
 
 trait SomeTrait: Send + Sync + 'static {

src/test/ui/async-await/issues/issue-55324.rs

@@ -1,11 +1,8 @@
 // build-pass (FIXME(62277): could be check-pass?)
 // edition:2018
 
-#![feature(async_await)]
-
 use std::future::Future;
 
-#[allow(unused)]
 async fn foo<F: Future<Output = i32>>(x: &i32, future: F) -> i32 {
     let y = future.await;
     *x + y