1 files changed, 10 insertions, 0 deletions
diff --git a/src/test/ui/async-await/mutable-arguments.rs b/src/test/ui/async-await/mutable-arguments.rs
new file mode 100644
index 00000000000..4d6dba74097
--- /dev/null
+++ b/src/test/ui/async-await/mutable-arguments.rs
@@ -0,0 +1,10 @@
+// edition:2018
+// run-pass
+
+#![feature(async_await)]
+
+async fn foo(n: u32, mut vec: Vec<u32>) {
+    vec.push(n);
+}
+
+fn main() {}