1 files changed, 45 insertions, 0 deletions
diff --git a/src/test/ui/async-await/suggest-switching-edition-on-await.rs b/src/test/ui/async-await/suggest-switching-edition-on-await.rs
new file mode 100644
index 000000000..9852e8fc9
--- /dev/null
+++ b/src/test/ui/async-await/suggest-switching-edition-on-await.rs
@@ -0,0 +1,45 @@
+use std::pin::Pin;
+use std::future::Future;
+
+fn main() {}
+
+fn await_on_struct_missing() {
+    struct S;
+    let x = S;
+    x.await;
+    //~^ ERROR no field `await` on type
+    //~| NOTE unknown field
+    //~| NOTE to `.await` a `Future`, switch to Rust 2018
+    //~| HELP pass `--edition 2021` to `rustc`
+    //~| NOTE for more on editions, read https://doc.rust-lang.org/edition-guide
+}
+
+fn await_on_struct_similar() {
+    struct S {
+        awai: u8,
+    }
+    let x = S { awai: 42 };
+    x.await;
+    //~^ ERROR no field `await` on type
+    //~| HELP a field with a similar name exists
+    //~| NOTE to `.await` a `Future`, switch to Rust 2018
+    //~| HELP pass `--edition 2021` to `rustc`
+    //~| NOTE for more on editions, read https://doc.rust-lang.org/edition-guide
+}
+
+fn await_on_63533(x: Pin<&mut dyn Future<Output = ()>>) {
+    x.await;
+    //~^ ERROR no field `await` on type
+    //~| NOTE unknown field
+    //~| NOTE to `.await` a `Future`, switch to Rust 2018
+    //~| HELP pass `--edition 2021` to `rustc`
+    //~| NOTE for more on editions, read https://doc.rust-lang.org/edition-guide
+}
+
+fn await_on_apit(x: impl Future<Output = ()>) {
+    x.await;
+    //~^ ERROR no field `await` on type
+    //~| NOTE to `.await` a `Future`, switch to Rust 2018
+    //~| HELP pass `--edition 2021` to `rustc`
+    //~| NOTE for more on editions, read https://doc.rust-lang.org/edition-guide
+}