Error on using `yield` without also using `#[coroutine]` on the closure

And suggest adding the `#[coroutine]` to the closure

1 files changed, 3 insertions, 3 deletions

diff --git a/tests/ui/coroutine/conditional-drop.rs b/tests/ui/coroutine/conditional-drop.rs
index 65d3a9e701e..52e1b561946 100644
--- a/tests/ui/coroutine/conditional-drop.rs
+++ b/tests/ui/coroutine/conditional-drop.rs
@@ -3,7 +3,7 @@
 //@ revisions: default nomiropt
 //@[nomiropt]compile-flags: -Z mir-opt-level=0
 
-#![feature(coroutines, coroutine_trait)]
+#![feature(coroutines, coroutine_trait, stmt_expr_attributes)]
 
 use std::ops::Coroutine;
 use std::pin::Pin;
@@ -29,7 +29,7 @@ fn main() {
 }
 
 fn t1() {
-    let mut a = || {
+    let mut a = #[coroutine] || {
         let b = B;
         if test() {
             drop(b);
@@ -45,7 +45,7 @@ fn t1() {
 }
 
 fn t2() {
-    let mut a = || {
+    let mut a = #[coroutine] || {
         let b = B;
         if test2() {
             drop(b);