1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/let-else/let-else-binding-explicit-mut-borrow.rs b/tests/ui/let-else/let-else-binding-explicit-mut-borrow.rs
new file mode 100644
index 00000000000..1524d010233
--- /dev/null
+++ b/tests/ui/let-else/let-else-binding-explicit-mut-borrow.rs
@@ -0,0 +1,13 @@
+// Slightly different from explicit-mut-annotated -- this won't show an error until borrowck.
+// Should it show a type error instead?
+
+
+
+fn main() {
+    let Some(n): &mut Option<i32> = &mut &Some(5i32) else {
+        //~^ ERROR cannot borrow data in a `&` reference as mutable
+        return
+    };
+    *n += 1;
+    let _ = n;
+}