1 files changed, 7 insertions, 0 deletions
diff --git a/tests/ui/closures/issue-80313-mutation-in-closure.rs b/tests/ui/closures/issue-80313-mutation-in-closure.rs
new file mode 100644
index 000000000..e082ea562
--- /dev/null
+++ b/tests/ui/closures/issue-80313-mutation-in-closure.rs
@@ -0,0 +1,7 @@
+fn main() {
+    let mut my_var = false;
+    let callback = || {
+        my_var = true;
+    };
+    callback(); //~ ERROR E0596
+}