diff --git a/tests/pos/i8846.scala b/tests/pos/i8846.scala
new file mode 100644
index 000000000000..cc9b013deb7b
--- /dev/null
+++ b/tests/pos/i8846.scala
@@ -0,0 +1,12 @@
+package example
+
+class X(a: => Any)
+
+class XImpl(
+  param: Int
+) extends X({
+    def helper(): AutoCloseable = new AutoCloseable {
+      def close() = println(param)
+    }
+    helper()
+  })