1 files changed, 15 insertions, 0 deletions

diff --git a/src/test/ui/issues/issue-40510-4.rs b/src/test/ui/issues/issue-40510-4.rs
new file mode 100644
index 000000000..48bb8d36f
--- /dev/null
+++ b/src/test/ui/issues/issue-40510-4.rs
@@ -0,0 +1,15 @@
+// check-pass
+#![allow(unused)]
+
+fn f() {
+    let x: Vec<()> = Vec::new();
+
+    || {
+        || {
+            x.len()
+        }
+    };
+}
+
+
+fn main() {}