1 files changed, 38 insertions, 0 deletions
diff --git a/tests/ui/async-await/issue-76547.rs b/tests/ui/async-await/issue-76547.rs
new file mode 100644
index 00000000000..587feb6247c
--- /dev/null
+++ b/tests/ui/async-await/issue-76547.rs
@@ -0,0 +1,38 @@
+// Test for diagnostic improvement issue #76547
+// edition:2018
+
+use std::{
+    future::Future,
+    task::{Context, Poll}
+};
+use std::pin::Pin;
+
+pub struct ListFut<'a>(&'a mut [&'a mut [u8]]);
+impl<'a> Future for ListFut<'a> {
+    type Output = ();
+
+    fn poll(self: Pin<&mut Self>, _cx: &mut Context) -> Poll<Self::Output> {
+        unimplemented!()
+    }
+}
+
+async fn fut(bufs: &mut [&mut [u8]]) {
+    ListFut(bufs).await
+    //~^ ERROR lifetime may not live long enough
+}
+
+pub struct ListFut2<'a>(&'a mut [&'a mut [u8]]);
+impl<'a> Future for ListFut2<'a> {
+    type Output = i32;
+
+    fn poll(self: Pin<&mut Self>, _cx: &mut Context) -> Poll<Self::Output> {
+        unimplemented!()
+    }
+}
+
+async fn fut2(bufs: &mut [&mut [u8]]) -> i32 {
+    ListFut2(bufs).await
+    //~^ ERROR lifetime may not live long enough
+}
+
+fn main() {}