Add yield_expr feature to remaining code

Author: eholk

compiler/rustc_codegen_gcc/example/std_example.rs

@@ -1,5 +1,5 @@
 #![allow(internal_features)]
-#![feature(core_intrinsics, coroutines, coroutine_trait, stmt_expr_attributes)]
+#![feature(core_intrinsics, coroutines, yield_expr, coroutine_trait, stmt_expr_attributes)]
 
 #[cfg(feature="master")]
 #[cfg(target_arch="x86_64")]

compiler/rustc_hir_analysis/src/lib.rs

@@ -59,6 +59,7 @@ This API is completely unstable and subject to change.
 #![allow(internal_features)]
 #![allow(rustc::diagnostic_outside_of_impl)]
 #![allow(rustc::untranslatable_diagnostic)]
+#![cfg_attr(not(bootstrap), feature(yield_expr))]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
 #![feature(assert_matches)]

compiler/rustc_metadata/src/lib.rs

@@ -1,5 +1,6 @@
 // tidy-alphabetical-start
 #![allow(internal_features)]
+#![cfg_attr(not(bootstrap), feature(yield_expr))]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
 #![feature(coroutines)]

compiler/rustc_middle/src/lib.rs

@@ -29,6 +29,7 @@
 #![allow(rustc::diagnostic_outside_of_impl)]
 #![allow(rustc::potential_query_instability)]
 #![allow(rustc::untranslatable_diagnostic)]
+#![cfg_attr(not(bootstrap), feature(yield_expr))]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
 #![feature(allocator_api)]

compiler/rustc_type_ir/src/ty_kind.rs

@@ -199,7 +199,7 @@ pub enum TyKind<I: Interner> {
     /// may end up as something like `for<'a> [Vec<i32>, &'a Vec<i32>]`:
     ///
     /// ```
-    /// #![feature(coroutines)]
+    /// #![feature(coroutines, yield_expr)]
     /// #[coroutine] static |a| {
     ///     let x = &vec![3];
     ///     yield a;

library/core/src/iter/sources/from_coroutine.rs

@@ -11,7 +11,7 @@ use crate::pin::Pin;
 /// # Examples
 ///
 /// ```
-/// #![feature(coroutines)]
+/// #![feature(coroutines, yield_expr)]
 /// #![feature(iter_from_coroutine)]
 ///
 /// let it = std::iter::from_coroutine(#[coroutine] || {

library/core/src/ops/coroutine.rs

@@ -38,7 +38,7 @@ pub enum CoroutineState<Y, R> {
 /// closure-like:
 ///
 /// ```rust
-/// #![feature(coroutines)]
+/// #![feature(coroutines, yield_expr)]
 /// #![feature(coroutine_trait)]
 /// #![feature(stmt_expr_attributes)]
 ///

library/core/src/pin.rs

@@ -1855,7 +1855,7 @@ unsafe impl<T: ?Sized> PinCoerceUnsized for *mut T {}
 /// ### With `Coroutine`s
 ///
 /// ```rust
-/// #![feature(coroutines)]
+/// #![feature(coroutines, yield_expr)]
 /// #![feature(coroutine_trait)]
 /// use core::{
 ///     ops::{Coroutine, CoroutineState},

src/tools/clippy/tests/ui/crashes/ice-5238.rs

@@ -1,7 +1,7 @@
 //@ check-pass
 // Regression test for #5238 / https://github.com/rust-lang/rust/pull/69562
 
-#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
+#![feature(coroutines, yield_expr, coroutine_trait, stmt_expr_attributes)]
 
 fn main() {
     let _ = #[coroutine]

src/tools/clippy/tests/ui/redundant_locals.rs

@@ -1,7 +1,7 @@
 //@aux-build:proc_macros.rs
 #![allow(unused, clippy::no_effect, clippy::needless_pass_by_ref_mut)]
 #![warn(clippy::redundant_locals)]
-#![feature(coroutines, stmt_expr_attributes)]
+#![feature(coroutines, yield_expr, stmt_expr_attributes)]
 
 extern crate proc_macros;
 use proc_macros::{external, with_span};