1 files changed, 8 insertions, 0 deletions
diff --git a/tests/ui/nll/issue-46023.rs b/tests/ui/nll/issue-46023.rs
new file mode 100644
index 000000000..a923eb244
--- /dev/null
+++ b/tests/ui/nll/issue-46023.rs
@@ -0,0 +1,8 @@
+fn main() {
+    let x = 0;
+
+    (move || {
+        x = 1;
+        //~^ ERROR cannot assign to `x`, as it is not declared as mutable [E0594]
+    })()
+}