1 files changed, 22 insertions, 0 deletions
diff --git a/tests/ui/async-await/issue-69446-fnmut-capture.rs b/tests/ui/async-await/issue-69446-fnmut-capture.rs
new file mode 100644
index 00000000000..842115538c9
--- /dev/null
+++ b/tests/ui/async-await/issue-69446-fnmut-capture.rs
@@ -0,0 +1,22 @@
+// Regression test for issue #69446 - we should display
+// which variable is captured
+// edition:2018
+
+use core::future::Future;
+
+struct Foo;
+impl Foo {
+    fn foo(&mut self) {}
+}
+
+async fn bar<T>(_: impl FnMut() -> T)
+where
+    T: Future<Output = ()>,
+{}
+
+fn main() {
+    let mut x = Foo;
+    bar(move || async { //~ ERROR captured
+        x.foo();
+    });
+}