Add regression test.

1 files changed, 17 insertions, 0 deletions

diff --git a/src/test/incremental/async-lifetimes.rs b/src/test/incremental/async-lifetimes.rs
new file mode 100644
index 00000000000..b97725d3b6a
--- /dev/null
+++ b/src/test/incremental/async-lifetimes.rs
@@ -0,0 +1,17 @@
+// revisions: rpass1 rpass2
+// edition:2021
+
+#![allow(unused)]
+
+struct Foo;
+
+impl Foo {
+    async fn f(&self, _: &&()) -> &() {
+        &()
+    }
+}
+
+#[cfg(rpass2)]
+enum Bar {}
+
+fn main() {}